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06:41:16 Fri 13 Mar 2026

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China Oil & Gas Pipeline

(4)

Liuan Zhongcai Pipeline T

(4)

China Constr 8th Engineer

(3)

Taiyuan University of Tec

(3)

Tongji University

(3)

Anhui Guozhi Data Tech Co

(2)

Anhui Sailing Special Mat

(2)

Baotou Iron and Steel Gro

(2)

Bizlink Ind Germany Gmbh

(2)

CRRC Qingdao Sifang

(2)

Central South University

(2)

Chengdu Aircraft Industry

(2)

Chengdu Qinchuan IoT Tech

(2)

China First Metallurgical

(2)

China Petroleum Pipeline

(2)

China Three Gorges

(2)

China University of Geosc

(2)

China Yangtze Power

(2)

Chongqing Dingjiu Pipelin

(2)

Chongqing University of S

(2)

(2)

Dalian University of Tech

(2)

Gaoke Building Materials

(2)

Goldcard Smart Group; Esl

(2)

Guangdong Yinze Metal Tec

(2)

Hangzhou Ruili Photoelect

(2)

Hohai University

(2)

Huaneng Gansu Energy Dev

(2)

Hunan Dingyi Zhiyuan Tech

(2)

Jiangsu Daocheng Pipe Ind

(2)

Jiangsu Juhua Anti Corros

(2)

Jiangsu Xihe Tech Co Ltd;

(2)

Jiangsu Xingrong High Tec

(2)

Jianhua Construction Mate

(2)

Jilin University

(2)

Jinan Bodor Laser

(2)

(2)

(2)

Nat Center Of Quality Ins

(2)

Ningbo Fotile Kitchen War

(2)

Palo Alto Networks

(2)

Proxene Tools Co Ltd

(2)

Qingdao Lianming Real Est

(2)

Shanghai Highway Bridge G

(2)

Suzhou Youdeli Metal Prod

(2)

Taizhou Hechun Pipe Indus

(2)

Taizhou Huakun Power Equi

(2)

Toronto Dominion Bank

(2)

Tubest Packing Co Ltd; Gu

(2)

Wincell Energy Saving Gro

(2)

Yanshan University

(2)

Zhejiang Kangsheng Heat E

(2)

Zhejiang Sanfu Technology

(2)

Zhongtou Tianjin Intellig

(2)

(1)

ACRE Coking & Refractory

(1)

AECC Harbin Dongan Engine

(1)

AECC Shenyang Liming Aero

(1)

Accenture Global Solution

(1)

Akademia Gorniczo Hutnicz

(1)

Anhui Anlo Heat Energy Te

(1)

Anhui Construction Engine

(1)

Anhui Hongyuan Electric P

(1)

Anhui Jialiqi Advanced Co

(1)

Anhui Sanxing Environment

(1)

Anhui Shengchenyuan Mater

(1)

Anhui University of Scien

(1)

Anhui Xinchuang Energy Sa

(1)

Anhui Xinhu Canned Motor

(1)

Anhui Xinlei Pipe System

(1)

Anhui Zulin New Mat Co Lt

(1)

(1)

Bachuan Group Co Ltd

(1)

Baosteel Zhanjiang Iron &

(1)

Baotou Branch Of Inner Mo

(1)

Beihang University; COMAC

(1)

Beijing Aero Top Hi Tech

(1)

Beijing Chenggeng Tech Co

(1)

Beijing Huake Tonghe Scie

(1)

Beijing Institute of Petr

(1)

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(1)

Beijing Kehua Zhengxin Te

(1)

Beijing Kelibang Informat

(1)

Beijing Meiguan Zhiyou Te

(1)

Beijing Municipal Eng Res

(1)

Beijing Peitian Technolog

(1)

Beijing University of Che

(1)

Beijing University of Tec

(1)

Beijing Yiliu Fluid Tech

(1)

Beijing Yingte Liwei Envi

(1)

Beijing Zhongxing Test Te

(1)

Bengang Steel Plates

(1)

Bklaser Intelligent Equip

(1)

(1)

CCCC First Harbor Enginee

(1)

CCCC First Highway Engine

(1)

CCCC First Highway Engine

(1)

CCCC Third Harbour Engine

(1)

CCCC Tunnel Engineering C

(1)

CNOOC Gas & Power Group

(1)

Cangzhou Cangxing Pipelin

(1)

Cangzhou Changshi Pipelin

(1)

Capital Childrens Medical

(1)

Cccc Shec Science And Ind

(1)

(1)

Changchun University of S

(1)

Changchun Wotesi Analysis

(1)

Changjiang Institute of S

(1)

Changzhou Jintan Hongtu R

(1)

Changzhou Qietuo Intellig

(1)

Changzhou Rongdao Prec Eq

(1)

Changzhou Tianma Group Co

(1)

Changzhou University

(1)

Chaokong Shuke Shanghai T

(1)

(1)

Chengdu North Petroleum E

(1)

Chengxi Shipyard

(1)

China 19th Metallurgical

(1)

China 22MCC Group Corpora

(1)

China 22mcc Group Xiongan

(1)

China Academy of Building

(1)

China Chang Jiang Energy

(1)

China Chemical City Const

(1)

China Datang Corporation

(1)

China Jikan Res Institute

(1)

China MCC20 Group Corpora

(1)

China Nat Offshore Oil Co

(1)

China North Engine Res In

(1)

China Nuclear Industry Hu

(1)

China Nuclear Power Opera

(1)

China Shanxi Sijian Group

(1)

China Ship Scientific Res

(1)

China Southern Power Grid

(1)

China United Heavy Gas Tu

(1)

China University of Minin

(1)

Chongqing Bishan Zonghui

(1)

Chongqing Hongjiang Machi

(1)

Chongqing Hongrun Qinglan

(1)

Chongqing Shengnuo Automa

(1)

Cnooc Shenzhen Ocean Engi

(1)

Cnooc Tianjin Oilfield Ch

(1)

Daji Laser Tech Shenzhen

(1)

Dalian Kehuan Pumps Co Lt

(1)

Daqing Zhongdao Yicheng P

(1)

Datang Shuangyashan Co Ge

(1)

Deep Sea Tech Science Tai

(1)

Directly Tech Co Ltd

(1)

Dongfang Electric Deyang

(1)

Dongguan Readona Tech Co

(1)

Dongguan Xinmeiyang Techn

(1)

Dongguan Xintan Hardware

(1)

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(1)

Dongtai Kaipeng Plastic C

(1)

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(1)

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(1)

Dongtai Xinli Special Fas

(1)

East China Normal Univers

(1)

Era Pipe Shanghai Co Ltd

(1)

Eurasian Guangdong Freezi

(1)

Fann Va Teknik Ab

(1)

Ferrotec Tech Development

(1)

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(1)

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(1)

Foret Wickleffe

(1)

Foshan Boyu Metal Tech Co

(1)

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(1)

Foshan Rifeng Enterprise;

(1)

Foshan Shunde Water Conse

(1)

(1)

Fujian University of Tech

(1)

Fujian Zhonglin Eng Const

(1)

GE Precision Medicine

(1)

Gansu Yanhe Petroleum Pip

(1)

Gao Hua Fujian Constructi

(1)

(1)

(1)

Gd Midea Heating & Ventil

(1)

Gershfeld Saveliy

(1)

Golden Dragon Precise Cop

(1)

Guandong Midea Hvac Equip

(1)

Guangdong Buster Technolo

(1)

Guangdong Clp Green Energ

(1)

Guangdong Construction En

(1)

Guangdong Dante Environme

(1)

Guangdong Dayu Water Cons

(1)

Guangdong Enboli Electric

(1)

Guangdong Hydropower Plan

(1)

Guangdong Institute Of Sp

(1)

Guangdong Jinhao Construc

(1)

Guangdong Kangjun Ind Co

(1)

Guangdong New Energy Tech

(1)

Guangdong Wencan Die Cast

(1)

Guangdong Xinxing Ductile

(1)

Guangdong Zhida Prec Tube

(1)

Guangdong Zhongrui Can Co

(1)

Guangdong Zhongxun Commun

(1)

Guangdongspecial Equipmen

(1)

Guangxi Nanxu Plastic

(1)

Guangxi Vocational Colleg

(1)

Guangzhou Construction En

(1)

Guangzhou Fulitong Pipeli

(1)

Guangzhou Hengjia Constru

(1)

Guangzhou Huasuiwei Prefa

(1)

Guangzhou Power Supply Bu

(1)

Guangzhou Wire Auto Parts

(1)

Guiyang Aluminium Magnesi

(1)

Guizhou Xishui Dingtai En

(1)

Guo Neng Long Yuan Enviro

(1)

Guochu Pipeline Invest He

(1)

Guoneng Lianjiang Port El

(1)

Hangzhou Changhai Electri

(1)

Hangzhou Hengtong Flexibl

(1)

Hangzhou Xiaoxiang Zhiyua

(1)

Hangzhou Xinxing Bigycle

(1)

Hanon Systems [kr]; Hwayo

(1)

Harbin Dongan Industrial

(1)

Harbin Institute of Techn

(1)

Harbin Kaina Tech Co Ltd

(1)

Harbin Mihan Tech Develop

(1)

Hebei Chaofa Plastic Prod

(1)

Hebei Jidong Construction

(1)

Hebei Jinxing Tech Co Ltd

(1)

Hebei Qianming Plastic Pr

(1)

Hebei Tianxin Constructio

(1)

Hebei Yueshucheng Informa

(1)

Hefei University of Techn

(1)

Henan Qianping Reservoir

(1)

Henan Yicheng Constructio

(1)

Henan Zhonglian Roadsafet

(1)

Hengtong Ocean Eng Co Ltd

(1)

Hengyang Hongtao Machiner

(1)

Heshan Fuyue New Material

(1)

Hetai Nantong Prec Machin

(1)

Hitachi-Johnson Controls

(1)

Honghua Offshore Oil & Ga

(1)

(1)

Houpu Clean Energy Group

(1)

Huadian Env Prot Eng & Te

(1)

Huahui Beijing Energy Co

(1)

Huaneng Liancheng Power G

(1)

Huaneng Taicang Power Gen

(1)

Huangshan Lejia Powder Co

(1)

Huazhi Shuke Shaanxi Ener

(1)

Hubei Zhongge Plastic Pip

(1)

Hubei Zhsu Pipe Industry

(1)

Huixinjia Suzhou Intellig

(1)

Hunan Jinhui Construction

(1)

Hunan Taojiang Xiangzhong

(1)

Hunan Tianze Electromecha

(1)

Hunan Xinda Xiaoxiang Ste

(1)

Hunan Zhenhui Pipe Indust

(1)

Huzhou Jinluo Intelligent

(1)

Huzhou Maisi Automation T

(1)

Inner Mongolia Aimeite Wa

(1)

Inner Mongolia Luhai Cons

(1)

Inner Mongolia University

(1)

Inspur Smart City Tech Co

(1)

Institute of Metal Resear

(1)

Intelligent Equipment Tec

(1)

Jiangsu Bingrong Pipe Co

(1)

Jiangsu Daming Corrugated

(1)

Jiangsu Double Horse Dril

(1)

Jiangsu Electric Power Re

(1)

Jiangsu Gangxing Energy T

(1)

Jiangsu Hanqing Special A

(1)

Jiangsu Haoguan Prec Mach

(1)

Jiangsu Haohong Machinery

(1)

Jiangsu Huineng Heavy Ind

(1)

Jiangsu Jianyan Construct

(1)

Jiangsu Jicui Yigong Fork

(1)

Jiangsu Jingyi Intelligen

(1)

Jiangsu Ruicheng Machiner

(1)

Jiangsu Sulian Plastic Co

(1)

Jiangsu Sunyo Intelligent

(1)

Jiangsu Tairun Pump Co Lt

(1)

Jiangsu University of Sci

(1)

Jiangsu Vigor Fluid Tech

(1)

Jiangsu Yidu Construction

(1)

Jiangsu Yunhu New Materia

(1)

Jiangsu Zhengcheng Intell

(1)

Jiangsu Zhishang Detectio

(1)

Jiangsu Zhongshui Irrigat

(1)

Jiangxi Avonflow Hvac Tec

(1)

Jiangxi Chenshi Tech Grou

(1)

Jiangxi Copper Corporatio

(1)

Jiangxi Copper Group Guix

(1)

Jiangxi Copper Technology

(1)

Jiangxi Guangxun Electric

(1)

Jiangxi Haosite Auto Part

(1)

Jiangxi Strong Tech Co Lt

(1)

Jiangxi Xuanjin Tech Co L

(1)

Jiangyin Gelanfu Heat Ene

(1)

Jiangyin Uplus Flange Co

(1)

Jiaxing Jiayuan Detection

(1)

Jieda Fire Prot Vehicle E

(1)

Jilin Haoning Laser Welde

(1)

Jilin University; Jilin L

(1)

Jinan Huitong Heat Co Ltd

(1)

Jinan Urban Construction

(1)

Jingjiang Special Steel

(1)

Jining Inst Of Quality An

(1)

Jiujiang Design Inst Of W

(1)

Jiyao New Material Tech L

(1)

Jubian Xinneng Anhui Co L

(1)

Kaipurui Environmental Pr

(1)

(1)

Kesiyu Zhejiang Packaging

(1)

Kolko Hassan [us]; Ratlif

(1)

Kunshan Kaiqiyue Electron

(1)

Lanzhou Dacheng Tech Co L

(1)

Lianyungang Lifeng Medica

(1)

Liaocheng Dev Zone Jinyun

(1)

Liaoning Shaohua Power Te

(1)

Liaoning Shihua Universit

(1)

Liaoning University of Te

(1)

Liaoning Yizhong Equipmen

(1)

Liaoning Yuanleng Low Car

(1)

Linyi Jiujianpeng Machine

(1)

Liyang Changda New Energy

(1)

Longkou Tongda Oil Pipe

(1)

Longshan County Shisenyua

(1)

(1)

(1)

Luoyang Institute of Scie

(1)

Luoyang Ship Material Res

(1)

(1)

Maanshan Iron & Steel

(1)

Maanshan Lingmai Machiner

(1)

Maanshan Zunma Tech Co Lt

(1)

Magdrive Tech Ltd

(1)

Malak Marek Zphu Mal Met

(1)

Mehow Innovative

(1)

Microsoft Technology Lice

(1)

Modi Precision Tech Ningb

(1)

Nanchang Minghong Automat

(1)

Nangtong Haodi Anticorros

(1)

Nanjing Daji Iron Tower M

(1)

Nanjing Golden Dragon Bus

(1)

Nanjing Institute of Tech

(1)

Nanjing Mald Titanium Ind

(1)

Nanjing Univ Of The Arts

(1)

Nanjing Univ Suzhou High

(1)

Nanjing Zhuoshang Intelli

(1)

Nantong Fanersheng Machin

(1)

Nantong Fangbang Electric

(1)

Nantong Jingpin Tech Deve

(1)

Nantong Urban Planning &

(1)

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(1)

Nat Center For Cardiovasc

(1)

National Dong Hwa Univers

(1)

National Petroleum Pipeli

(1)

Ningbo Jiurong Intelligen

(1)

Ningbo Metallurgical Surv

(1)

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(1)

Ningbo Municipal Engineer

(1)

No 719 Res Institute Chin

(1)

Norendar International

(1)

North China Metallurgical

(1)

Northeastern University;

(1)

Northwestern Polytechnica

(1)

(1)

Offshore Oil Engineering

(1)

Opt Vision Tech Suzhou Co

(1)

Ordos Water Invest Huiyua

(1)

Pangang Group Co Ltd; Che

(1)

Pengye Holding Group Co L

(1)

(1)

Pingdingshan No 2 Peoples

(1)

Pipe Transf Limited

(1)

Poly Changda Engineering

(1)

PowerChina Northwest Engi

(1)

Powerchina Ecological Env

(1)

Powerchina Fifth Bureau G

(1)

Powerchina Henan Engineer

(1)

Powerchina Huadong Engine

(1)

Powerchina Huadong Engine

(1)

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(1)

Qianan Iron And Steel Com

(1)

Qingdao Beichuan Pipe Ind

(1)

Qingdao Haier Biomedical;

(1)

Qingdao Haixinuo Consulti

(1)

Qingdao Kehua Steel Struc

(1)

Qinghai Power Trans And D

(1)

Qinghe Tech Guangzhou Co

(1)

Rifeng New Mat Co Ltd; Fo

(1)

Rizhao Lanshan Wenjie Pip

(1)

Runqiaoshuang Metal Tech

(1)

SCEGC No 4 Construction E

(1)

SDIC Xinjiang Luobupo Pot

(1)

(1)

Sandvik Mining and Constr

(1)

(1)

Shaanxi Aoshen Measuremen

(1)

Shaanxi Coal Geology Grou

(1)

Shaanxi Huachen Nonferrou

(1)

Shaanxi University of Sci

(1)

Shaanxi Xiecheng Testing

(1)

Shandong Academy Of Build

(1)

Shandong Chunyu Water Sav

(1)

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(1)

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(1)

Shandong Henghui Energy S

(1)

Shandong Hezhengtong Engi

(1)

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(1)

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(1)

Shandong Longkou Special

(1)

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(1)

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(1)

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(1)

Shandong University

(1)

Shandong Zhihua Pipe Co L

(1)

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(1)

Shanghai 2nd Polytechnic

(1)

Shanghai Anchor Tech Co L

(1)

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(1)

Shanghai Baoye Group Corp

(1)

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(1)

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(1)

Shanghai Composite Mat Te

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

Shanghai Qianhetai Tech C

(1)

Shanghai Yikou Prec Parts

(1)

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(1)

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(1)

Shanghai Zhuohan Tech Co

(1)

Shantou Mingxin Ind Co Lt

(1)

Shanxi Coal Import And Ex

(1)

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(1)

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(1)

Shengzhou Yingyi Machiner

(1)

Shenyang Taike Fluid Cont

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(1)

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(1)

Shenzhen University

(1)

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(1)

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(1)

Shijiazhuang Power Supply

(1)

Shizuishan Plastic Factor

(1)

Sichuan Bns Pipeline Co L

(1)

Sichuan Guruide Tech Co L

(1)

Sichuan Ruian Engineering

(1)

Sichuan Wanshengtong Ind

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Sichuan Yasu New Mat Co L

(1)

Sichuan Yunshang Zaochun

(1)

Sichuan Zhongcai Pipes

(1)

Sinohydro Bureau 11

(1)

Sinohydro Bureau 6

(1)

Sinohydro Bureau 7; China

(1)

Sinohydro Bureau 7; China

(1)

(1)

Southeast University

(1)

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(1)

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(1)

Special Equipment Safety

(1)

Spic Shanxi Aluminium Co

(1)

State Grid Anhui Electric

(1)

State Grid Xinyuan Group;

(1)

State Power Investment He

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Suez Environmental Tech B

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Sumaite Intelligent Techn

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(1)

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(1)

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(1)

Taiyuan University of Sci

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Taizhou Construction Muni

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Technical Institute of Ph

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The First Company of Chin

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The Third Engineering of

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Tianjin Pengling Group

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(1)

Univ Stuttgart Koerpersch

(1)

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(1)

University of Science and

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University of South China

(1)

(1)

(1)

Wang Wei; Shi Peipei

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Wanxiang Qianchao Co Ltd;

(1)

Water Resources Research

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Wenzhou Institute of Tech

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(1)

Xi\'an Jiaotong Universit

(1)

Xi\'an Jiaotong Universit

(1)

Xiamen Hymake Tech Co Ltd

(1)

Xian Chengli Aviation Mfg

(1)

Xian Xd Cable Co Ltd; Chi

(1)

Xindi Energy Engineering

(1)

Xinghua Tongzhou Marine E

(1)

Xingtai Jizuan Crossing P

(1)

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(1)

Xinjiang Shengyuantong Pe

(1)

Xuzhou Biaote Numerical C

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Xuzhou College of Industr

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(1)

Yangzhou Huayu Outdoor Pr

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(1)

Yantai Hairun Water Co Lt

(1)

Yantai Salvage Bureau of

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(1)

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(1)

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(1)

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(1)

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SDIC Xinjiang Luobupo Potash Files Chinese Patent Application for High-pressure Back Flushing Device and Back Flushing Method for Instrument Sampling Pipe

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- SDIC Xinjiang Luobupo Potash has filed a patent application for High-pressure Back Flushing Device and Back Flushing Method for Instrument Sampling Pipe. This invention was developed by Ban Yongzhu, Zhu Panpan, Zhao Jianfeng, Zhang Junzheng, Wei Xinhua, He Guodong, Chen Yongquan, Liu Xiaobin, Zhu Jingjing, Z..

Zhijiang College of Zhejiang University of Technology Seeks Patent for Thin-wall Pipe Fitting Inner Wall Shaping Device

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- Zhijiang College of Zhejiang University of Technology has sought patent for Thin-wall Pipe Fitting Inner Wall Shaping Device. This invention was developed by Jiang Lanfang, Zhang Yichao, Wang Zili, Lin Yaochen, Zhang Shuyou and Peng Jing. The patent application number is CN202511183624 20250822. The patent ..

Nanjing Institute of Technology Submits Patent Application for Pipe High-precision Free Hot Bending Forming Method and Device, Medium and Equipment

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- Nanjing Institute of Technology has submitted a patent application for Pipe High-precision Free Hot Bending Forming Method and Device, Medium and Equipment. Liu Jinhong, Wang Zhixue, Zhou Rui, Wang Chengzhi, Wang Junjie, Liu Wenyi and Li Huaguan developed the invention. The patent application number is CN20..

State Intellectual Property Office of China Publishes Harbin Dongan Industrial Development Patent Application for Bending Device for Fuel Injection Pipe of Aero-engine and Using Me..

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- State Intellectual Property Office of China has published Harbin Dongan Industrial Development patent application for Bending Device for Fuel Injection Pipe of Aero-engine and Using Method of Bending Device. The invention was developed by Wang Dianfeng, Zhang Haiwei, Wu Jianan, Guo Jipeng and Wang Yang. The..

Zhengjiang Changxing Heliang Intelligent Equipment Files Chinese Patent Application for Pipe Bending Machine with Automatic Feeding and Discharging Functions

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- Zhengjiang Changxing Heliang Intelligent Equipment has filed a patent application for Pipe Bending Machine with Automatic Feeding and Discharging Functions. This invention was developed by Li Hao, Cai Qianlong, Wang Zhen and Peng Xiangyang. The patent application number is CN202510957630 20250711. The paten..

Shaanxi University of Science & Technology Applies for Patent on Plate-pipe Connecting Device and Method Based on Connecting Rod Mechanism

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- Shaanxi University of Science & Technology has applied Chinese patent for Plate-pipe Connecting Device and Method Based on Connecting Rod Mechanism. Wang Pengyi, Zhang Long, Kim Il-soon, Dang Shihao and Wang Zhen developed it. The patent application number is CN20251161049 20250730. The patent publication n..

Shenzhen Xinxinteng Technology Applies for Patent on Positioning Device and Pipe Bending Equipment

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- Shenzhen Xinxinteng Technology has applied Chinese patent for Positioning Device and Pipe Bending Equipment. Huang Peikun, Huang Dejin, Xiong Kai and Wu Yushen developed it. The patent application number is CN202511311005 20250915. The patent publication number is CN120790780 (A). International Patent Class..

SCEGC No 4 Construction Engineering Group Submits Patent Application for Pipe Cutting Device for Water and Electricity Installation

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- SCEGC No 4 Construction Engineering Group has submitted a patent application for Pipe Cutting Device for Water and Electricity Installation. Ge Jianying, Zhang Zhixun, Li Hao, Ma Wantao, Yang Peng, Yang Yong, Wang Li, Wu Fenqiang, Niu Dechun and Guo Chao developed the invention. The patent application numbe..

China Yangtze Power Submits Patent Application for Metal Pipe Cutting Device and Cutting Method

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- China Yangtze Power has submitted a patent application for Metal Pipe Cutting Device and Cutting Method. Ding Wanqin, Ling Le, Wang Wendong, Liu Bin, Zhao Shuang and Sheng Zhongxi developed the invention. The patent application number is CN202510959853 20250711. The patent publication number is CN120791174 ..

Xuzhou College of Industrial Technology Seeks Patent for Special-shaped Pipe Fitting Welding Equipment with Intelligent Alignment Function

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- Xuzhou College of Industrial Technology has sought patent for Special-shaped Pipe Fitting Welding Equipment with Intelligent Alignment Function. This invention was developed by Chen Aolin, Li Sai and Shen Wenwu. The patent application number is CN202511235286 20250901. The patent publication number is CN120..

Changzhou University Submits Chinese Patent Application for Movable Automatic Welding Device for Pipeline Intersecting Line

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- Changzhou University has submitted a patent application for Movable Automatic Welding Device for Pipeline Intersecting Line. This invention was developed by Miao Xinting, Li Zhaoyi, Yang Xu, Shen Wenze, Zhou Zihan, Chen Tianyu, Liu Guoxu and Xin Hao. The patent application number is CN20251116753 20250723. ..

State Intellectual Property Office of China Publishes Linyi Jiujianpeng Machinery Patent Application for Steel Pipe Welding Device for Building Construction

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- State Intellectual Property Office of China has published Linyi Jiujianpeng Machinery patent application for Steel Pipe Welding Device for Building Construction. The invention was developed by Hua Mingzhen and Li Xiaopeng. The patent application number is CN202511333144 20250918. The patent publication numb..

State Intellectual Property Office of China Releases China Yangtze Power Patent Application for Pressure Steel Pipe Combined Machining Device and Machining Method Thereof

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- State Intellectual Property Office of China has released China Yangtze Power patent application for Pressure Steel Pipe Combined Machining Device and Machining Method Thereof. This invention was developed by Ding Wanqin, Ling Le, Wang Wendong, Liu Bin, Zhao Shuang and Sheng Zhongxi. The patent application n..

Yangzhou Jixing Machinery Submits Patent Application for Cutting-back Square Steel Pipe Outer Wall Polishing Device for Machining

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- Yangzhou Jixing Machinery has submitted a patent application for Cutting-back Square Steel Pipe Outer Wall Polishing Device for Machining. Bai Zhaoxing and Bai Peng developed the invention. The patent application number is CN20251189866 20250805. The patent publication number is CN120791600 (A). Internation..

State Intellectual Property Office of China Receives China United Heavy Gas Turbine Technology Patent Application for Test Fixture for Metal Pipe Performance Test

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- State Intellectual Property Office of China has received China United Heavy Gas Turbine Technology patent application for Test Fixture for Metal Pipe Performance Test. Zhao Yuchen, Sun Wentao, Zhang Botao, Huang Chuanjun, Li Laifeng, Zhou Can, Yu Mengyuan, Zheng Wenyue and Zhou Hongyu developed the invention..

State Intellectual Property Office of China Publishes Zhejiang Kangsheng Heat Exchanger Patent Application for Regular Coiled Pipe Core Assembling Mechanism and Method

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- State Intellectual Property Office of China has published Zhejiang Kangsheng Heat Exchanger patent application for Regular Coiled Pipe Core Assembling Mechanism and Method. The invention was developed by Yang Xuwen, Lan Zhaozhong, Hong Wencheng, Xu Qiao and Xu Jian. The patent application number is CN202510..

Jianhua Construction Materials (China) Submits Chinese Patent Application for Preparation Method of Ultra-high Performance Concrete Pipe Pile

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- Jianhua Construction Materials (China) has submitted a patent application for Preparation Method of Ultra-high Performance Concrete Pipe Pile. This invention was developed by Ji Xueyang, Li Binbin, Ling Kang, Jin Zhongliang, Chen Lin and Xie Xiaozhong. The patent application number is CN202511100528 2025080..

Mehow Innovative Files Chinese Patent Application for Special-shaped Pipe Demolding Mechanism and Demolding Device

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- Mehow Innovative has filed a patent application for Special-shaped Pipe Demolding Mechanism and Demolding Device. This invention was developed by Liu Yuwen and Zhou Daofu. The patent application number is CN202510912781 20250703. The patent publication number is CN120792076 (A). International Patent Classif..

State Intellectual Property Office of China Publishes Liuan Zhongcai Pipeline Technology Patent Application for Method for Improving Ring Stiffness of High-precision Corrugated Pip..

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- State Intellectual Property Office of China has published Liuan Zhongcai Pipeline Technology patent application for Method for Improving Ring Stiffness of High-precision Corrugated Pipe. The invention was developed by Gu Jun'an, Zhou Yajun, Lu Chengcheng and Xie Lei. The patent application number is CN20251..

State Intellectual Property Office of China Receives Shandong Chunyu Water Saving Irrigation Equipment Patent Application for Pipe Fitting Embedded Water Conveying Belt Machining E..

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- State Intellectual Property Office of China has received Shandong Chunyu Water Saving Irrigation Equipment patent application for Pipe Fitting Embedded Water Conveying Belt Machining Equipment and Machining Process. Zhang Liang, Zhang Hanming, Qi Jianyong and Wang Congcong developed the invention. The paten..

Maanshan Iron & Steel Applies for Patent on Hot-rolled Pickled Steel Plate for Precision Welded Pipe and Manufacturing Method of Hot-rolled Pickled Steel Plate

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- Maanshan Iron & Steel has applied Chinese patent for Hot-rolled Pickled Steel Plate for Precision Welded Pipe and Manufacturing Method of Hot-rolled Pickled Steel Plate. Wang Zhanye, Zhang Yi, Wang Teng, Tang Hengqiang, Yu Bo, Wu Hao and Ma Minglu developed it. The patent application number is CN20251131282..

Baotou Iron and Steel Group Seeks Patent for Manufacturing Method of X52QS Long-distance Conveying Seamless Line Pipe with High Toughness and H2S Corrosion Resistance at Extremely ..

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- Baotou Iron and Steel Group has sought patent for Manufacturing Method of X52QS Long-distance Conveying Seamless Line Pipe with High Toughness and H2S Corrosion Resistance at Extremely Cold Temperature. This invention was developed by Zhang Xinggang, Wang Dong, Zhang Yanwu, Zhang Zhuojing, Duan Wei, Song Ge,..

State Intellectual Property Office of China Publishes Jianhua Construction Materials (China) Patent Application for Ultra-high Performance Concrete Pipe Pile and Preparation Method..

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- State Intellectual Property Office of China has published Jianhua Construction Materials (China) patent application for Ultra-high Performance Concrete Pipe Pile and Preparation Method Thereof. The invention was developed by Jin Zhongliang, Ji Xueyang, Li Binbin, Ling Kang, Zhang Chao and Xie Xiaozhong. The..

State Intellectual Property Office of China Receives China Constr 8th Engineering Division Patent Application for Soil Retaining Structure for Existing Pipeline to Penetrate Throug..

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- State Intellectual Property Office of China has received China Constr 8th Engineering Division patent application for Soil Retaining Structure for Existing Pipeline to Penetrate Through Foundation Pit Support and Construction Method of Soil Retaining Structure. Yang Jinlin, He Zhao, Pei Shengrui, Meng Qingxi..

China First Metallurgical Group Applies for Patent on Sewage Intercepting, Desilting and Plugging Integrated Device for Pipeline Inspection Well and Construction Method

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- China First Metallurgical Group has applied Chinese patent for Sewage Intercepting, Desilting and Plugging Integrated Device for Pipeline Inspection Well and Construction Method. Yang Zhiyong, Tao Weijun, Jiang Zhongjie and Li Sheng developed it. The patent application number is CN202510975354 20250715. The..

China University of Geosciences, Wuhan Applies for Patent on Double-speed Symmetrical Superposition Pipe Pile Integrity Detection Device and Method

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- China University of Geosciences, Wuhan has applied Chinese patent for Double-speed Symmetrical Superposition Pipe Pile Integrity Detection Device and Method. Liu Hao, Li Jiaxuan, Wu Wenbing, Liu Xin, Liang Rongzhu, Zhang Yunpeng, Gao Yuan and Dong Xiaoliang developed it. The patent application number is CN2..

Liuan Zhongcai Pipeline Technology Applies for Patent on Floor Drain Pipe Plug Structure

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- Liuan Zhongcai Pipeline Technology has applied Chinese patent for Floor Drain Pipe Plug Structure. Xu Yonghui, Chen Sangui and Lu Chengcheng developed it. The patent application number is CN202511122823 20250812. The patent publication number is CN120797796 (A). International Patent Classification codes are..

China Constr 8th Engineering Division Files Chinese Patent Application for Construction Method for Cross Transformation of Rainwater Box Culvert and Existing Sewage Pipe

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- China Constr 8th Engineering Division has filed a patent application for Construction Method for Cross Transformation of Rainwater Box Culvert and Existing Sewage Pipe. This invention was developed by He Zhao, Cui Yubo, Pei Shengrui, Meng Qingxin, Liang Jiayuan and Yang Jinlin. The patent application number..

State Intellectual Property Office of China Releases PowerChina Northwest Engineering Corporation Patent Application for Jacking and Drilling Integrated Shallow-buried Pipeline Non..

Pipe

| Fri 13 Mar 2026

Beijing, March 13 -- State Intellectual Property Office of China has released PowerChina Northwest Engineering Corporation patent application for Jacking and Drilling Integrated Shallow-buried Pipeline Non-excavation Operation System and Process Method. This invention was developed by Wen Junqiang, Ma Long, Jia Yanwu, Li Quan, Z..

Honghua Offshore Oil & Gas Equipment (Jiangsu) Submits Chinese Patent Application for Pipe Lifting Device

Pipe

| Fri 13 Mar 2026

Beijing, March 13 -- Honghua Offshore Oil & Gas Equipment (Jiangsu) has submitted a patent application for Pipe Lifting Device. This invention was developed by Xiong Chunmei, Zhu Hua, Zeng Feng, Yang Lei and Zhang Liping. The patent application number is CN202511279090 20250909. The patent publication number is CN120798209 (A)...

Hohai University Seeks Patent for Sand Discharging Structure and Method for Water Distribution Ring Pipe of Impulse Turbine

Pipe

| Fri 13 Mar 2026

Beijing, March 13 -- Hohai University has sought patent for Sand Discharging Structure and Method for Water Distribution Ring Pipe of Impulse Turbine. This invention was developed by Ge Xinfeng, Zhu Wenqi, Wei Binbin, Chen Boyang, Zhuang Zhirong and Yuan Yihong. The patent application number is CN202510824464 20250619. The pate..

State Intellectual Property Office of China Receives Guangdong Dayu Water Conservancy Construction Patent Application for Permeation Subsurface Irrigation Pipe Network Laying Devic..

Pipe

| Fri 13 Mar 2026

Beijing, March 13 -- State Intellectual Property Office of China has received Guangdong Dayu Water Conservancy Construction patent application for Permeation Subsurface Irrigation Pipe Network Laying Device Based on Capillary Effect. Li Peiyuan, Li Peinan, Li Haomian, Zheng Guoxian, Shi Xiaodong, Song Bingyuan and Cai Kaicheng d..

State Intellectual Property Office of China Releases First Affiliated Hospital of Kunming Medical University Yunnan Dermatology Hospital Patent Application for Thoracic Cavity Pipe..

Pipe

| Fri 13 Mar 2026

Beijing, March 13 -- State Intellectual Property Office of China has released First Affiliated Hospital of Kunming Medical University Yunnan Dermatology Hospital patent application for Thoracic Cavity Pipeline Fixing Device. This invention was developed by Xiao Yan, Liu Yanfeng and Zhou Na. The patent application number is CN20..

State Intellectual Property Office of China Receives Zhejiang Province Sanjian Construction Group Patent Application for Water Treatment Filtering Shearer and High-rise Building Fi..

Pipe

| Fri 13 Mar 2026

Beijing, March 13 -- State Intellectual Property Office of China has received Zhejiang Province Sanjian Construction Group patent application for Water Treatment Filtering Shearer and High-rise Building Fire-fighting Pipeline Layered Circulating Cleaning System. Shi Dongjie, Wu Fan, Zhou Jianglin, Xuan Weiyong, Chu Guohua, Xie N..

Shenzhen Antmed Seeks Patent for System Pipeline and Liquid Medicine Infusion Apparatus

Pipe

| Fri 13 Mar 2026

Beijing, March 13 -- Shenzhen Antmed has sought patent for System Pipeline and Liquid Medicine Infusion Apparatus. This invention was developed by Wang Wuxing, Zhang Hongge and Yang Mingxin. The patent application number is CN202511202096 20250826. The patent publication number is CN120789393 (A). International Patent Classific..

Suzhou Haorui Brush Manufacturing Applies for Patent on Floor Brush Structure Capable of Adjusting Hinging Tightness of Connecting Pipe According to Moving Condition

Pipe

| Fri 13 Mar 2026

Beijing, March 13 -- Suzhou Haorui Brush Manufacturing has applied Chinese patent for Floor Brush Structure Capable of Adjusting Hinging Tightness of Connecting Pipe According to Moving Condition. Zhang Wugang developed it. The patent application number is CN202510943802 20250709. The patent publication number is CN120788445 (A..

Guangdong Wencan Die Casting Technology Submits Chinese Patent Application for Auxiliary Supporting Mechanism of Air Outlet Connecting Pipe Component

Pipe

| Thu 12 Mar 2026

Beijing, March 13 -- Guangdong Wencan Die Casting Technology has submitted a patent application for Auxiliary Supporting Mechanism of Air Outlet Connecting Pipe Component. This invention was developed by Wang Shuilin, Ye Bin, Zeng Jialin and Tan Shicong. The patent application number is CN202510997152 20220916. The patent publi..

Wuxi People's Hospital Submits Chinese Patent Application for Hemodialysis Pipeline Fixing Device Convenient to Connect

Pipe

| Fri 13 Mar 2026

Beijing, March 13 -- Wuxi People's Hospital has submitted a patent application for Hemodialysis Pipeline Fixing Device Convenient to Connect. This invention was developed by Shan Jingqian. The patent application number is CN202511161019 20250819. The patent publication number is CN120789441 (A). International Patent Classificat..

Shanghai Municipal Water Resources Development and Utilization Nat Engineering Center Co Ltd and Shanghai Smi Water Group Co Ltd Submit Chinese Patent Application for Building Wate..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Shanghai Municipal Water Resources Development and Utilization Nat Engineering Center Co Ltd and Shanghai Smi Water Group Co Ltd have submitted a patent application for Building Water Supply Vertical Pipe Automatic Flushing System Based on Variable Frequency Water Supply. This invention was developed by Yang..

Jinan Urban Construction Group and Jinan Municipal Eng Constr Group Co Ltd Submit Chinese Patent Application for Comprehensive Pipe Rack Top Plate Special-shaped Corner Wiping Wate..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Jinan Urban Construction Group and Jinan Municipal Eng Constr Group Co Ltd have submitted a patent application for Comprehensive Pipe Rack Top Plate Special-shaped Corner Wiping Waterproof Cooperation Integrated Forming Device and Method. This invention was developed by Lee Min-chul, Zhou Song, Xie Gensheng,..

National Petroleum Pipeline Network Group and State Petroleum Pipeline Network Group of Science and Technology Research Institute Branch Submit Chinese Patent Application for Metho..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- National Petroleum Pipeline Network Group and State Petroleum Pipeline Network Group of Science and Technology Research Institute Branch have submitted a patent application for Method for Aligning Internal and External Detection Data of Pipeline and Computer Program Product. This invention was developed by L..

Guoneng Lianjiang Port Electricity Co Ltd, Hefei Institutes of Physical Science, Chinese Academy of Sciences and Suzhou Nuclear Power Research Institute Submit Chinese Patent Appli..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Guoneng Lianjiang Port Electricity Co Ltd, Hefei Institutes of Physical Science, Chinese Academy of Sciences and Suzhou Nuclear Power Research Institute have submitted a patent application for Ultra-supercritical Unit and Multi-stage Reflection Vibration Suppression Structure of Main Steam Pipeline and Branc..

Dongfang Electric Deyang Motor Tech Co Ltd and DEC Dongfeng Electric Machinery Submit Chinese Patent Application for Supporting Structure for Oil Pipe of End Cover Sliding Bearing ..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Dongfang Electric Deyang Motor Tech Co Ltd and DEC Dongfeng Electric Machinery have submitted a patent application for Supporting Structure for Oil Pipe of End Cover Sliding Bearing and Mounting Method. This invention was developed by Li Qiying, Zhang-qin Dairou, Tian Dejian and Sun Xiaogang. The patent a..

Shaanxi Coal Geology Group and Shaanxi Yibaliu Coal Geology Co Ltd Submit Chinese Patent Application for Screen Pipe Propeller for Underground Coal Mine and Application of Screen P..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Shaanxi Coal Geology Group and Shaanxi Yibaliu Coal Geology Co Ltd have submitted a patent application for Screen Pipe Propeller for Underground Coal Mine and Application of Screen Pipe Propeller. This invention was developed by Shi Fei, Zhang Yixiao, Guo Yun, Zhang Lili, Liu An, Chen Long, Xing Jiangang, Ba..

Baotou Branch Of Inner Mongolia Autonomous Region Special Equipment Inspection Res Institute and Jiangsu Huaneng Testing Tech Co Ltd Submit Chinese Patent Application for Metal Ste..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Baotou Branch Of Inner Mongolia Autonomous Region Special Equipment Inspection Res Institute and Jiangsu Huaneng Testing Tech Co Ltd have submitted a patent application for Metal Steel Pipe Flaw Detection Device Based on Visual Detection. This invention was developed by Bai Mei, Cao Jihong, Jia Bin, Zhou She..

Hitachi-Johnson Controls Air Conditioning and Okumura Metal Co Ltd File Chinese Patent Application for Joint Body Formed by Joining Copper Pipe and Aluminum Pipe, and Air Condition..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Hitachi-Johnson Controls Air Conditioning and Okumura Metal Co Ltd have filed a patent application for Joint Body Formed by Joining Copper Pipe and Aluminum Pipe, and Air Conditioner. This invention was developed by Han Yue, Awano Masakazu, Oguri Makoto and Okumura Hisataka. The patent application number ..

Hangzhou Xiaoxiang Zhiyuan Tech Co Ltd and Hangzhou Ahu Tech Co Ltd File Chinese Patent Application for Intelligent Early Warning Method and System for Pipeline Leakage Based on AI

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Hangzhou Xiaoxiang Zhiyuan Tech Co Ltd and Hangzhou Ahu Tech Co Ltd have filed a patent application for Intelligent Early Warning Method and System for Pipeline Leakage Based on AI. This invention was developed by Li Jianfeng, Li Cui, Xu Ping, Lin Yang, Gao Chenyu, Zhang Hongshun and Dai Yunning. The pate..

Hangzhou Ruili Photoelectric Tech Co Ltd and The 715th Research Institute of China State Shipbuilding File Chinese Patent Application for Multi-dimensional Heat Distribution Pipeli..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Hangzhou Ruili Photoelectric Tech Co Ltd and The 715th Research Institute of China State Shipbuilding have filed a patent application for Multi-dimensional Heat Distribution Pipeline Monitoring System and Method Based on Integrated Monitoring Unit. This invention was developed by Li Dongming, Yu Zichen, Wan ..

Jiangsu Electric Power Res Inst Co Ltd and State Grid Jiangsu Electric Power Co Res Institute File Chinese Patent Application for Testing Device for Vicat Softening Temperature of ..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Jiangsu Electric Power Res Inst Co Ltd and State Grid Jiangsu Electric Power Co Res Institute have filed a patent application for Testing Device for Vicat Softening Temperature of Cable Protection Pipe and Control Method. This invention was developed by Chu Zhaojie, Mao Danchen, Li Chenggang, Liu Jianjun, Ta..

Tubest Packing Co Ltd and Guangdong Ruiyuan New Mat Co Ltd File Chinese Patent Application for Once-formed All-plastic Hose Sheet and Composite Hose Thereof

Pipe

| Thu 12 Mar 2026

Beijing, March 12 -- Tubest Packing Co Ltd and Guangdong Ruiyuan New Mat Co Ltd have filed a patent application for Once-formed All-plastic Hose Sheet and Composite Hose Thereof. This invention was developed by Du Dexi, Wang Liangsheng, Du Wei and Dai Heting. The patent application number is CN202511264746 20250905. The paten..

Zhejiang College Construction, Zhejiang Fuchun Ziguang Environmental Prot Co Ltd and Ningbo Guangqiang Robot Tech Co Ltd Apply for Patent on Drainage Pipeline Dredging Robot

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Zhejiang College Construction, Zhejiang Fuchun Ziguang Environmental Prot Co Ltd and Ningbo Guangqiang Robot Tech Co Ltd have applied Chinese patent for Drainage Pipeline Dredging Robot. Fang Fubing, Zhang Hongyu, Ke Haipeng, Lyu Guangqiang and Xie Yanjing developed it. The patent application number is CN..

Xinjiang Hami Dongtian Water Conservancy Group Co Ltd, Xinjiang Water Resources & Hydropower Survey and Design Institute, Xinjiang Haoyuan Water Supply Co Ltd and China Institute o..

Pipe

| Thu 12 Mar 2026

Beijing, March 12 -- Xinjiang Hami Dongtian Water Conservancy Group Co Ltd, Xinjiang Water Resources & Hydropower Survey and Design Institute, Xinjiang Haoyuan Water Supply Co Ltd and China Institute of Water Resources and Hydropower Research have applied Chinese patent for Prediction Method for Damage of Prestressed Concrete Cy..

Shizuishan Plastic Factory and Beifang University of Nationalities Seek Patent for High-density Polyethylene Modified Material and Method for Preparing Pipe by Using High-density P..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Shizuishan Plastic Factory and Beifang University of Nationalities have sought patent for High-density Polyethylene Modified Material and Method for Preparing Pipe by Using High-density Polyethylene Modified Material. This invention was developed by Du Jianghua, Liu Songtao, Zhang Tong, Zhou Zhanrong, Liu Ju..

China Nat Offshore Oil Corp and Beijing Res Center Cnooc China Co Ltd Seek Patent for Branch Well Tool Meeting Double-tail-pipe Well Fracturing and Fracturing Method

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- China Nat Offshore Oil Corp and Beijing Res Center Cnooc China Co Ltd have sought patent for Branch Well Tool Meeting Double-tail-pipe Well Fracturing and Fracturing Method. This invention was developed by Xing Xuesong, Cao Yanfeng, Huang Hui, Wen Min, Yu Jifei, Qi Zhiyuan, Pan Hao, Qiu Hao, Bao Chenyi, Li B..

Lanzhou Dacheng Tech Co Ltd, Lanzhou Dacheng Concetrate Solar Tech Co Ltd, Dunhuang Dacheng Shengneng New Energy Tech Co Ltd and Dunhuang Dacheng Juneng New Energy Equipment Co Ltd..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Lanzhou Dacheng Tech Co Ltd, Lanzhou Dacheng Concetrate Solar Tech Co Ltd, Dunhuang Dacheng Shengneng New Energy Tech Co Ltd and Dunhuang Dacheng Juneng New Energy Equipment Co Ltd have sought patent for Linear Expansion Joint and Fused Salt Pipeline Applying Same. This invention was developed by Fan Duowang..

Goldcard Smart Group and Eslink Computing Hangzhou Co Ltd Seek Patent for Gas Pipeline Anti-corrosion Method and System, Electronic Equipment and Storage Medium

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Goldcard Smart Group and Eslink Computing Hangzhou Co Ltd have sought patent for Gas Pipeline Anti-corrosion Method and System, Electronic Equipment and Storage Medium. This invention was developed by Cong Peixue, Zhang Zhengzeng, He Xuewen, Zhu Miao, Huang Dong and Wang Jinzhen. The patent application nu..

Yuyao Zhedong Water Supply and Drainage Equipment Applies for Patent on Pipeline Direct Drinking Machine Filtering Assembly and Filtering Method

Pipe

| Thu 12 Mar 2026

Beijing, March 12 -- Yuyao Zhedong Water Supply and Drainage Equipment has applied Chinese patent for Pipeline Direct Drinking Machine Filtering Assembly and Filtering Method. Ruan Weiwei, Zhu Yihua and Chen Dili developed it. The patent application number is CN202510964928 20250714. The patent publication number is CN1207716..

The First Company of China 8th Engineering Bureau Seeks Patent for Pipeline Structure for Ventilation of Air Conditioner

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- The First Company of China 8th Engineering Bureau has sought patent for Pipeline Structure for Ventilation of Air Conditioner. This invention was developed by Wang Mingkuo, Li Zhishun, Liu Yang, Hao Ji'an, Li Fei, Feng Yan, Yue Qinghe, Song Zicheng, Zhou Min, Tian Baibei, Liu Jinlong, Gong Fanchao and Zhang ..

China Petroleum Pipeline Engineering Co Ltd, China National Petroleum, China Petroleum And Natural Gas Pipeline Communication Power Eng Co Ltd and China Petroleum Pipeline Engineer..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- China Petroleum Pipeline Engineering Co Ltd, China National Petroleum, China Petroleum And Natural Gas Pipeline Communication Power Eng Co Ltd and China Petroleum Pipeline Engineering Corp have sought patent for Vibration Signal Acquisition Method, Apparatus and Device, and Computer Readable Storage Medium. ..

State Intellectual Property Office of China Publishes Shanghai Zhuohan Tech Co Ltd Patent Application for Pipe Network Station Inspection Task Execution Method and System Based on ..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- State Intellectual Property Office of China has published Shanghai Zhuohan Tech Co Ltd patent application for Pipe Network Station Inspection Task Execution Method and System Based on Multi-modal Fusion. The invention was developed by Cheng Yi, Cheng Zhi, Cheng Rui, Cao Zisheng, Yan Xiliu and Peng Yuan. T..

State Intellectual Property Office of China Releases Huazhi Shuke Shaanxi Energy Tech Co Ltd Patent Application for Method and Device for Detecting Corrosion in Oil Pipeline and Re..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- State Intellectual Property Office of China has released Huazhi Shuke Shaanxi Energy Tech Co Ltd patent application for Method and Device for Detecting Corrosion in Oil Pipeline and Related Equipment. This invention was developed by Li Haiyan and Dong Zhitao. The patent application number is CN20251197874..

Guangzhou Fulitong Pipeline Equipment Co Ltd Submits Chinese Patent Application for Steel-plastic Composite Pipe Defect Intelligent Identification Method and System

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Guangzhou Fulitong Pipeline Equipment Co Ltd has submitted a patent application for Steel-plastic Composite Pipe Defect Intelligent Identification Method and System. This invention was developed by He Zhenyao. The patent application number is CN202510809387 20250617. The patent publication number is CN120..

State Intellectual Property Office of China Publishes Suzhou Desisen Electronics Co Ltd Patent Application for Device for Detecting Surface Defects of Pipes and Bars

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- State Intellectual Property Office of China has published Suzhou Desisen Electronics Co Ltd patent application for Device for Detecting Surface Defects of Pipes and Bars. The invention was developed by Dong Zugang and Yin Chengfang. The patent application number is CN202511162459 20250819. The patent publ..

State Intellectual Property Office of China Releases China Datang Corporation Science & Technology Research Institute and Zhongnan Electric Power Test Research Institute China Data..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- State Intellectual Property Office of China has released China Datang Corporation Science & Technology Research Institute and Zhongnan Electric Power Test Research Institute China Datang Corporation Science and Tech Research I patent application for Quantitative Detection Method for Oxide Skin Accumulation i..

Dongtai Kaipeng Plastic Co Ltd Applies for Patent on Pu Pipe Pressure Detection Device

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Dongtai Kaipeng Plastic Co Ltd has applied Chinese patent for Pu Pipe Pressure Detection Device. Wu Mingxian, Sun Naiyong, Xue Zhuming, Wang Xiaomei, Wen Xiaofeng and Cui Hengjin developed it. The patent application number is CN202510867911 20250626. The patent publication number is CN120778485 (A). Inter..

Tianyi Construction Dev Co Ltd Submits Chinese Patent Application for Urban Underground Comprehensive Pipe Gallery Structure and Construction Technology Thereof

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Tianyi Construction Dev Co Ltd has submitted a patent application for Urban Underground Comprehensive Pipe Gallery Structure and Construction Technology Thereof. This invention was developed by Ma Qiuzhu, Li Bing, Chen Dangjian, Gao Qiang and Guo Peng. The patent application number is CN202510843217 20250..

State Intellectual Property Office of China Releases Sinohydro Bureau 7, China Power Construction Seventh Eng Bureau Southern Construction Co Ltd, Dongguan Res Institute of Buildin..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- State Intellectual Property Office of China has released Sinohydro Bureau 7, China Power Construction Seventh Eng Bureau Southern Construction Co Ltd, Dongguan Res Institute of Building Sciences Co Ltd and Shenzhen Railway Invest Construction Group Co Ltd patent application for Steel Pipe Column Verticality ..

State Intellectual Property Office of China Publishes Beijing Meiguan Zhiyou Tech Co Ltd Patent Application for Flight Control Inertial Navigation Element Constant Temperature Cont..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- State Intellectual Property Office of China has published Beijing Meiguan Zhiyou Tech Co Ltd patent application for Flight Control Inertial Navigation Element Constant Temperature Control System with Heat Pipe and Thermal Resistor. The invention was developed by Cheng Chaoqian, Zhang Zinan, Ye Wentao, Hou Gu..

State Intellectual Property Office of China Receives Guangdong Zhongrui Can Co Ltd Patent Application for Sticker Pipe Cutting Machine Cooperative Control Method and Device, Electr..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- State Intellectual Property Office of China has received Guangdong Zhongrui Can Co Ltd patent application for Sticker Pipe Cutting Machine Cooperative Control Method and Device, Electronic Equipment and Storage Medium. Xiang Junwu and He Weitong developed the invention. The patent application number is CN..

Liaoning Shihua University Seeks Patent for Oil Pipeline Control Method, System and Equipment Based on DDPG and Medium

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Liaoning Shihua University has sought patent for Oil Pipeline Control Method, System and Equipment Based on DDPG and Medium. This invention was developed by Ma Zheng, Luan Haoran and Li Jinna. The patent application number is CN202510945402 20250709. The patent publication number is CN120779837 (A). Inter..

State Intellectual Property Office of China Receives The Third Engineering Co Ltd of CCCC Fourth Harbor Enginering and CCCC Fourth Harbor Engineering Patent Application for Intelli..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- State Intellectual Property Office of China has received The Third Engineering Co Ltd of CCCC Fourth Harbor Enginering and CCCC Fourth Harbor Engineering patent application for Intelligent Pipe Cooling Circulation Control System and Method Based on Ship Lock Construction. Chen Qiuyue, Yu Youwen, Sun Boyu, He..

State Intellectual Property Office of China Releases Beijing Chenggeng Tech Co Ltd Patent Application for Organic-inorganic Hybrid Pipeline Anticorrosive Paint and Preparation Meth..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- State Intellectual Property Office of China has released Beijing Chenggeng Tech Co Ltd patent application for Organic-inorganic Hybrid Pipeline Anticorrosive Paint and Preparation Method Thereof. This invention was developed by Shao Haibo, Yu Lei, Wang Qinlong, He Xin, Li Linhao and Yang Fuan. The patent ..

Beijing Huake Tonghe Science & Tech Co Ltd Submits Chinese Patent Application for Fused Salt Energy Storage System Steam Extraction Pipeline Blowing System, Method and Device

Pipe

| Thu 12 Mar 2026

Beijing, March 12 -- Beijing Huake Tonghe Science & Tech Co Ltd has submitted a patent application for Fused Salt Energy Storage System Steam Extraction Pipeline Blowing System, Method and Device. This invention was developed by Li Yu, Zhao Chunguang, Youmer, Kong Youshun, Sun Chuangchuang, Xu Yongwei, Xu Jidong, Wang Qi and Hao..

Ferrotec Tech Development Tianjin Co Ltd Seeks Patent for Cleaning Method for Removing Pollutants on Surface and in Holes of Teflon Gas Distribution Pipe

Pipe

| Thu 12 Mar 2026

Beijing, March 12 -- Ferrotec Tech Development Tianjin Co Ltd has sought patent for Cleaning Method for Removing Pollutants on Surface and in Holes of Teflon Gas Distribution Pipe. This invention was developed by Zhao Xin, Zhong Guoqiang and Mu Shuaishuai. The patent application number is CN20251122759 20250724. The patent pu..

Hebei Jinxing Tech Co Ltd Seeks Patent for Hydraulic Brake Hose Connectivity Detection Device

Pipe

| Thu 12 Mar 2026

Beijing, March 12 -- Hebei Jinxing Tech Co Ltd has sought patent for Hydraulic Brake Hose Connectivity Detection Device. This invention was developed by Gao Yi, Liu Xiaoqian, Wei Huaipan, Jiao Mei, Wang Baole, Lee Yeong Chae, Xing Juanfang, Gao Yufeng, Ma Meifang and Du Wenhuan. The patent application number is CN202510917636..

State Intellectual Property Office of China Publishes Yunnan Kuoxin Registered Security Eng Office Co Ltd Patent Application for Anti-corrosion Paint Spraying Device for Inner Wall..

Pipe

| Thu 12 Mar 2026

Beijing, March 12 -- State Intellectual Property Office of China has published Yunnan Kuoxin Registered Security Eng Office Co Ltd patent application for Anti-corrosion Paint Spraying Device for Inner Wall of Pipeline. The invention was developed by Li Quanlong, Duan Jiangquan and Fu Yang. The patent application number is CN2..

Jiangsu Ruicheng Machinery Co Ltd Files Chinese Patent Application for Underground Pipeline Breaking and Regenerating Device and Method

Pipe

| Thu 12 Mar 2026

Beijing, March 12 -- Jiangsu Ruicheng Machinery Co Ltd has filed a patent application for Underground Pipeline Breaking and Regenerating Device and Method. This invention was developed by Tan Haiqiang. The patent application number is CN20251183094 20250804. The patent publication number is CN120771973 (A). International Pate..

Spic Shanxi Aluminium Co Ltd Applies for Patent on Aluminum Oxide Evaporation System Evaporator Condensate Pipe Transformation Structure and Method

Pipe

| Thu 12 Mar 2026

Beijing, March 12 -- Spic Shanxi Aluminium Co Ltd has applied Chinese patent for Aluminum Oxide Evaporation System Evaporator Condensate Pipe Transformation Structure and Method. Li Guangbin, Gao Jianliang, Han Jianxin, Yang Jianyu, Zhang Yulong and Jing Wei developed it. The patent application number is CN202510709213 202505..

Liu Hui Applies for Patent on Vehicle-mounted Hose Folding Fire Monitor

Pipe

| Thu 12 Mar 2026

Beijing, March 12 -- Liu Hui has applied Chinese patent for Vehicle-mounted Hose Folding Fire Monitor. Gao Ang, Lee Myeong-chun and Liu Hui developed it. The patent application number is CN202511227810 20250829. The patent publication number is CN120771499 (A). International Patent Classification codes are A62C31/03 and A62C3..

Nantong Fanersheng Machinery Co Ltd Files Chinese Patent Application for Air Tightness Detection Tool Based on Water Cooling Pipe Forming and Detection Method Thereof

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Nantong Fanersheng Machinery Co Ltd has filed a patent application for Air Tightness Detection Tool Based on Water Cooling Pipe Forming and Detection Method Thereof. This invention was developed by Ji Haitao, Ji Yifan and Shi Xinghua. The patent application number is CN202511182010 20250822. The patent pu..

State Intellectual Property Office of China Receives Changzhou Jintan Hongtu Rubber Plastic Product Patent Application for Detection Machine for Transverse Swing Test of Rubber Cor..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- State Intellectual Property Office of China has received Changzhou Jintan Hongtu Rubber Plastic Product patent application for Detection Machine for Transverse Swing Test of Rubber Corrugated Pipe. Jiang Feng developed the invention. The patent application number is CN20251197818 20250806. The patent public..

Zhejiang Yunhui Plastic Tech Co Ltd Submits Patent Application for Plastic Pipe Fitting Pressure Monitoring Method and System Based on Internet of Things

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Zhejiang Yunhui Plastic Tech Co Ltd has submitted a patent application for Plastic Pipe Fitting Pressure Monitoring Method and System Based on Internet of Things. Yang Lihui, Zhou Yangyang and Mao Jianjun developed the invention. The patent application number is CN202510945147 20250709. The patent publica..

Jiangsu Jianyan Construction Eng Quality Safety Identification Co Ltd Applies for Patent on Round Pipe Outer Diameter Detection Equipment for Construction Engineering

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Jiangsu Jianyan Construction Eng Quality Safety Identification Co Ltd has applied Chinese patent for Round Pipe Outer Diameter Detection Equipment for Construction Engineering. Han Jun, Li Lei and Wang Guifei developed it. The patent application number is CN202510928110 20250707. The patent publication nu..

Wang Lixia Files Chinese Patent Application for Hanging Type Waste Heat Heating Air Pipe

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Wang Lixia has filed a patent application for Hanging Type Waste Heat Heating Air Pipe. This invention was developed by Zhang Yinzhen. The patent application number is CN202510569346 20250501. The patent publication number is CN120777921 (A). International Patent Classification codes are F24C15/00, F24C15..

State Intellectual Property Office of China Publishes Jiangsu Huineng Heavy Ind Co Ltd Patent Application for Quick Disassembling and Assembling Method for Boiler Air Pre-heater Pi..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- State Intellectual Property Office of China has published Jiangsu Huineng Heavy Ind Co Ltd patent application for Quick Disassembling and Assembling Method for Boiler Air Pre-heater Pipe. The invention was developed by Jiang Junfang. The patent application number is CN202510959784 20250711. The patent pub..

Huangshan Lejia Powder Coating Co Ltd Applies for Patent on Polyethylene Powder Coating Suitable for Ship Seawater Pipeline and Preparation Process of Polyethylene Powder Coating

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Huangshan Lejia Powder Coating Co Ltd has applied Chinese patent for Polyethylene Powder Coating Suitable for Ship Seawater Pipeline and Preparation Process of Polyethylene Powder Coating. Wang Meili, Jiang Jianhua and Wang Xin developed it. The patent application number is CN202510796643 20250616. The pa..

Sichuan Guruide Tech Co Ltd Seeks Patent for Fracturing Fluid Delivery Pipe Inner Surface Coating and Preparation Method Thereof

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Sichuan Guruide Tech Co Ltd has sought patent for Fracturing Fluid Delivery Pipe Inner Surface Coating and Preparation Method Thereof. This invention was developed by Li Jiyong and Li Lin. The patent application number is CN202510989019 20250717. The patent publication number is CN120776228 (A). Internati..

State Intellectual Property Office of China Receives Jiangsu Hanqing Special Alloy Co Ltd Patent Application for High-fatigue-performance Special Alloy for High-temperature Crackin..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- State Intellectual Property Office of China has received Jiangsu Hanqing Special Alloy Co Ltd patent application for High-fatigue-performance Special Alloy for High-temperature Cracking Furnace Pipeline Valve and Preparation Process. Liu Shangtan, Chen Gang, Lou Weikang, Shi Zhoulin and Wu Kaikai developed t..

Inner Mongolia Aimeite Water Co Ltd Submits Chinese Patent Application for Rare Earth Antibacterial Water Supply Pipe and Preparation Method Thereof

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Inner Mongolia Aimeite Water Co Ltd has submitted a patent application for Rare Earth Antibacterial Water Supply Pipe and Preparation Method Thereof. This invention was developed by Qi Guangwei, Fan Xiuli, Cui Hongjie and Zhang Yan. The patent application number is CN20251166004 20250731. The patent publi..

State Intellectual Property Office of China Receives Pangang Group Co Ltd and Chengdu Advanced Metal Materials Industry Technology Research Institute Patent Application for Titaniu..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- State Intellectual Property Office of China has received Pangang Group Co Ltd and Chengdu Advanced Metal Materials Industry Technology Research Institute patent application for Titanium Alloy Oil Pipe for Engine and Preparation Method of Titanium Alloy Oil Pipe. Jiang Jian and Luo Xiaofeng developed the inve..

Zhongtou Tianjin Intelligent Pipeline Co Ltd Applies for Patent on Hybrid Material, Graphene Modified Heat-resistant PE-RT (polyethylene of Raised Temperature Resistance) Pipe and ..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Zhongtou Tianjin Intelligent Pipeline Co Ltd has applied Chinese patent for Hybrid Material, Graphene Modified Heat-resistant PE-RT (polyethylene of Raised Temperature Resistance) Pipe and Preparation Method of Graphene Modified Heat-resistant PE-RT Pipe. Yu Hailin, Wang Xiaonan, Hao Youli, Liu An and Li Jin..

Pengye Holding Group Co Ltd Applies for Patent on Intelligent Bright Heat Treatment Equipment for Large-diameter High-strength Stainless Steel Seamless Steel Pipe

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Pengye Holding Group Co Ltd has applied Chinese patent for Intelligent Bright Heat Treatment Equipment for Large-diameter High-strength Stainless Steel Seamless Steel Pipe. Li Jigang, Pan Zhangren, Li Longlin and Lin Lixin developed it. The patent application number is CN20251116960 20250723. The patent p..

Magdrive Tech Ltd Submits Chinese Patent Application for Electromagnetic Activated Pipe Valve

Pipe

| Thu 12 Mar 2026

Beijing, March 12 -- Magdrive Tech Ltd has submitted a patent application for Electromagnetic Activated Pipe Valve. This invention was developed by Yakos David, Sanford Stephen and Burgess Robert K. The patent application number is CN20248013660 20240112. The patent publication number is CN120769961 (A). International Patent ..

State Intellectual Property Office of China Receives Voith Patent Patent Application for Hydrodynamic Retarder with Filling Pipe

Pipe

| Thu 12 Mar 2026

Beijing, March 12 -- State Intellectual Property Office of China has received Voith Patent patent application for Hydrodynamic Retarder with Filling Pipe. Laukemann Dieter, Martin Andrew and Blumenstock Melanie developed the invention. The patent application number is CN20248017723 20240307. The patent publication number is CN1..

Swedish Patent and Registration Office Releases Fann Va Teknik Ab Patent Application for Septic Water Distribution Pipe

Pipe

| Thu 12 Mar 2026

Stockholm, March 12 -- Swedish Patent and Registration Office has released Fann Va Teknik Ab patent application for Septic Water Distribution Pipe. This invention was developed by Ambrosson Joakim, Lans Martin and Andskär Rikard. The patent application number is SE20190051387 20191203. The patent publication number is SE1951..

MHWirth Applies for Patent on Gripping Device, and Pipe Handling System Comprising at Least One Gripping Device

Pipe

| Thu 12 Mar 2026

Oslo, March 12 -- MHWirth has applied Norwegian patent for Gripping Device, and Pipe Handling System Comprising at Least One Gripping Device. Ottersland Gjerulf developed it. The patent application number is NO20140000474 20140411. The patent publication number is NO20140474 (A1). International Patent Classification code is E..

Seaside As Seeks Patent for Method and System for Moving Killed Fish in a Pipe or Pipeline

Pipe

| Thu 12 Mar 2026

Oslo, March 12 -- Seaside As has sought patent for Method and System for Moving Killed Fish in a Pipe or Pipeline. This invention was developed by Kjølås Frode Håkon. The patent application number is NO20150001469 20151029. The patent publication number is NO20151469 (A1). International Patent Classification codes are A22C..

Shenzhen Hesheng Zhixin Tech Co Ltd Files Chinese Patent Application for Dehumidifier Air Return Pipe and Dehumidifier

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Shenzhen Hesheng Zhixin Tech Co Ltd has filed a patent application for Dehumidifier Air Return Pipe and Dehumidifier. This invention was developed by Xiao Jilin, Lu Dahong and Dai Xianglu. The patent application number is CN202510982495 20250716. The patent publication number is CN120777790 (A). Internati..

Guangdong Dante Environment Tech Co Ltd Submits Chinese Patent Application for Water-fluorine Five-pipe Five-constant System Heat Pump Capable of Controlling Temperature and Humidi..

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Guangdong Dante Environment Tech Co Ltd has submitted a patent application for Water-fluorine Five-pipe Five-constant System Heat Pump Capable of Controlling Temperature and Humidity. This invention was developed by Ao Xiaojian, Zhou Fuhua and Gao Yuanzhou. The patent application number is CN20251183462 2..

Datang Shuangyashan Co Generation Power Co Ltd Submits Chinese Patent Application for Steam Extraction Pipe Valve Joint Control Method and System for Overpressure Control

Pipe

| Wed 11 Mar 2026

Beijing, March 12 -- Datang Shuangyashan Co Generation Power Co Ltd has submitted a patent application for Steam Extraction Pipe Valve Joint Control Method and System for Overpressure Control. This invention was developed by Liu Jingtao, Gao Lianrui, Li Yuntao, Cui Haidong, Wang Hongtao and Shen Yongwei. The patent applicatio..

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