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03:09:06 Thu 12 Mar 2026

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China Oil & Gas Pipeline

(4)

Taizhou Hechun Pipe Indus

(4)

China Mcc5 Group Corporat

(3)

China Three Gorges

(3)

Anhui Guozhi Data Tech Co

(2)

Anhui Sailing Special Mat

(2)

Bizlink Ind Germany Gmbh

(2)

CCCC Third Harbour Engine

(2)

CRRC Qingdao Sifang

(2)

Central South University

(2)

Chengdu Aircraft Industry

(2)

Chengxi Shipyard

(2)

Chongqing Dingjiu Pipelin

(2)

(2)

Dalian University of Tech

(2)

Gaoke Building Materials

(2)

Hunan Dingyi Zhiyuan Tech

(2)

Jiangsu Daocheng Pipe Ind

(2)

Jiangsu Juhua Anti Corros

(2)

Jiangsu Tairun Pump Co Lt

(2)

Jiangsu Xihe Tech Co Ltd;

(2)

Jilin University

(2)

(2)

Lanxin Suanli Shenzhen Te

(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)

Taiyuan University of Tec

(2)

Tongji University

(2)

Toronto Dominion Bank

(2)

Wincell Energy Saving Gro

(2)

Xinghua Jinchengda Metal

(2)

Yanshan University

(2)

Yantai Salvage Bureau of

(2)

Zhengzhou University

(2)

Zhenjiang Jingyu Pipeline

(2)

(1)

(1)

ACRE Coking & Refractory

(1)

AECC Shenyang Liming Aero

(1)

Accenture Global Solution

(1)

Akademia Gorniczo Hutnicz

(1)

Anhui Construction Engine

(1)

Anhui Jialiqi Advanced Co

(1)

Anhui Outaiqi Smart Water

(1)

Anhui Ruilian Smart Iot T

(1)

Anhui Sanxing Environment

(1)

Anhui University of Scien

(1)

Anhui Xinchuang Energy Sa

(1)

Anhui Xinhu Canned Motor

(1)

Anhui Zulin New Mat Co Lt

(1)

(1)

Bachuan Group Co Ltd

(1)

Baosteel Zhanjiang Iron &

(1)

Baotou Iron and Steel Gro

(1)

Beihang University; COMAC

(1)

Beijing Aero Top Hi Tech

(1)

Beijing General Municipal

(1)

Beijing Institute of Petr

(1)

Beijing Institute of Tech

(1)

Beijing Jiaotong Universi

(1)

Beijing Kehua Zhengxin Te

(1)

Beijing Kelibang Informat

(1)

Beijing Shengxinnuo Tech

(1)

Beijing Yiliu Fluid Tech

(1)

Beijing Yingte Liwei Envi

(1)

Beijing Zhongxing Test Te

(1)

Bengang Steel Plates

(1)

Binzhou Zhanhua Distr Jie

(1)

Bklaser Intelligent Equip

(1)

Borealis; Abu Dhabi Polym

(1)

CCCC First Harbor Enginee

(1)

CCCC First Highway Engine

(1)

CCCC First Highway Engine

(1)

CCCC Tunnel Engineering C

(1)

CSSC-MES Diesel

(1)

Cangzhou Cangxing 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)

Changsha Comprehensive Su

(1)

Changzhou Huichun Copper

(1)

Changzhou Qietuo Intellig

(1)

Changzhou Tianma Group Co

(1)

Changzhou University

(1)

Chaokong Shuke Shanghai T

(1)

(1)

Chengdu Advanced Metal Ma

(1)

Chengdu Alang Tech Co Ltd

(1)

Chengdu Qianfeng Heat Exc

(1)

Chengdu Qinchuan IoT Tech

(1)

China 19th Metallurgical

(1)

China 22MCC Group Corpora

(1)

China 22mcc Group Xiongan

(1)

China Academy of Building

(1)

China Chemical City Const

(1)

China Constr 8th Engineer

(1)

China First Metallurgical

(1)

China First Metallurgical

(1)

China Jikan Res Institute

(1)

China MCC20 Group Corpora

(1)

China Nat Offshore Oil Co

(1)

China Nuclear Power Opera

(1)

China Shanxi Sijian Group

(1)

China Ship Scientific Res

(1)

China Southern Power Grid

(1)

China University of Geosc

(1)

China University of Minin

(1)

China Yangtze Power

(1)

Chongqing Hongjiang Machi

(1)

Chongqing Hongrun Qinglan

(1)

Chongqing Shengnuo Automa

(1)

Chongqing University of S

(1)

Cnooc Shenzhen Ocean Engi

(1)

Cnooc Tianjin Oilfield Ch

(1)

Daji Laser Tech Shenzhen

(1)

Daqing Zhongdao Yicheng P

(1)

Deep Sea Tech Science Tai

(1)

(1)

Directly Tech Co Ltd

(1)

Dongguan Xintan Hardware

(1)

Dongtai Mengxiang Hardwar

(1)

Dongtai Xingdun Marine Eq

(1)

Dongtai Xinli Special Fas

(1)

East China Normal Univers

(1)

Era Pipe Shanghai Co Ltd

(1)

Eurasian Guangdong Freezi

(1)

First Branch Of Tianjin Y

(1)

Foret Wickleffe

(1)

Foshan Boyu Metal Tech Co

(1)

Foshan Huibaisheng Laser

(1)

Foshan Rifeng Enterprise;

(1)

Foshan Shuangyi Electric

(1)

Foshan Shunde Water Conse

(1)

(1)

Fujian University of Tech

(1)

Fujian Zhonglin Eng Const

(1)

Gansu Yanhe Petroleum Pip

(1)

Ganyeah Holding Group Co

(1)

Ganzhou Shuntian Tech Co

(1)

Ganzi Power Supply Compan

(1)

Gao Hua Fujian Constructi

(1)

(1)

Gd Midea Heating & Ventil

(1)

Gershfeld Saveliy

(1)

Goldcard Smart Group; Esl

(1)

Gree Electric Appliances,

(1)

Guandong Midea Hvac Equip

(1)

Guangdong Buster Technolo

(1)

Guangdong Clp Green Energ

(1)

Guangdong Enboli Electric

(1)

Guangdong Fengchuan Energ

(1)

Guangdong Gaoergao Plasti

(1)

Guangdong Hydropower Plan

(1)

Guangdong Institute Of Sp

(1)

Guangdong Jinhao Construc

(1)

Guangdong New Energy Tech

(1)

Guangdong Xinxing Ductile

(1)

Guangdong Yinze Metal Tec

(1)

Guangdong Zhida Prec Tube

(1)

Guangdong Zhongxun Commun

(1)

Guangdongspecial Equipmen

(1)

Guangxi Nanxu Plastic

(1)

Guangxi Ruiyi Tech Co Ltd

(1)

Guangxi Vocational Colleg

(1)

Guangxi Xiongsu Tech Deve

(1)

Guangzhou Construction En

(1)

Guangzhou Hengjia Constru

(1)

Guangzhou Huasuiwei Prefa

(1)

Guangzhou Pearl River Mac

(1)

Guiyang Aluminium Magnesi

(1)

Guizhou Xishui Dingtai En

(1)

Guo Neng Long Yuan Enviro

(1)

Guochu Pipeline Invest He

(1)

Guoneng Shendong Coal Gro

(1)

Guotun Coal Mine of Linyi

(1)

Handan University; Wuan F

(1)

Hangzhou Bainuo Electric

(1)

Hangzhou Changhai Electri

(1)

Hangzhou Feicuigu Tech Co

(1)

Hangzhou Hengtong Flexibl

(1)

Hangzhou Hikmicro Sensing

(1)

Hangzhou Xinxing Bigycle

(1)

Hanon Systems [kr]; Hwayo

(1)

Harbin Institute of Techn

(1)

Harbin Kaina Tech Co Ltd

(1)

Harbin Mihan Tech Develop

(1)

Harro Hofliger Verpackung

(1)

Hebei Cang Hai Nuclear Eq

(1)

Hebei Chaofa Plastic Prod

(1)

Hebei Jidong Construction

(1)

Hebei Qianxin Plastic Pro

(1)

Hebei Special Equipment S

(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)

Hetai Nantong Prec Machin

(1)

(1)

Houpu Clean Energy Group

(1)

Huadian Env Prot Eng & Te

(1)

Huahui Beijing Energy Co

(1)

Huaian Jingrui New Materi

(1)

Huaneng Gansu Energy Dev

(1)

Huaneng Liancheng Power G

(1)

Huaneng Qinbei Power Gene

(1)

Huaneng Taicang Power Gen

(1)

Hubei Province Communicat

(1)

Hubei Zhsu Pipe Industry

(1)

Huixinjia Suzhou Intellig

(1)

Hunan Jinhui Construction

(1)

Hunan Taojiang Xiangzhong

(1)

Hunan Tianze Electromecha

(1)

Hunan Zhongcai Chemical &

(1)

Huzhou Maisi Automation T

(1)

Inaba Denki Sangyo Co Ltd

(1)

Inner Mongolia Luhai Cons

(1)

Inner Mongolia Normal Uni

(1)

Inner Mongolia University

(1)

Inner Mongolia Zhihong En

(1)

Inspur Smart City Tech Co

(1)

Intelligent Equipment Tec

(1)

International Business Ma

(1)

Jianghan University

(1)

Jiangsu Bingrong Pipe Co

(1)

Jiangsu Castmate Energy S

(1)

Jiangsu Dalishen Pipe Co

(1)

Jiangsu Daming Corrugated

(1)

Jiangsu Dewei Energy Savi

(1)

Jiangsu Haoguan Prec Mach

(1)

Jiangsu Jicui Yigong Fork

(1)

Jiangsu Jingyi Intelligen

(1)

Jiangsu Jinrui Machinery

(1)

Jiangsu Kedun Pipeline Co

(1)

Jiangsu Sulian Plastic Co

(1)

Jiangsu Sunyo Intelligent

(1)

Jiangsu University of Sci

(1)

Jiangsu Vigor Fluid Tech

(1)

Jiangsu Xingrong High Tec

(1)

Jiangsu Yaxin Precision T

(1)

Jiangsu Yidu Construction

(1)

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(1)

Jiangsu Yunhu New Materia

(1)

Jiangsu Zhishang Detectio

(1)

Jiangxi Aopeng Metal Prod

(1)

Jiangxi Avonflow Hvac Tec

(1)

Jiangxi Chenshi Tech Grou

(1)

Jiangxi Copper Corporatio

(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 Aviation Maintenanc

(1)

Jilin Haoning Laser Welde

(1)

Jilin University; Jilin L

(1)

Jinan Baoheng Metallurgic

(1)

Jinan Bodor Laser

(1)

Jinan Huitong Heat Co Ltd

(1)

Jinan Urban Construction

(1)

Jingjiang Mingyu Conditio

(1)

Jingjiang Special Steel

(1)

Jingjiang Taihe Ship Co L

(1)

Jining Inst Of Quality An

(1)

Jiujiang Design Inst Of W

(1)

Jiyao New Material Tech L

(1)

Kaipurui Environmental Pr

(1)

(1)

Kesiyu Zhejiang Packaging

(1)

Kolko Hassan [us]; Ratlif

(1)

Kunshan Kaiqiyue Electron

(1)

Laser Fusion Research Cen

(1)

Lianyungang Lifeng Medica

(1)

Liaocheng Dev Zone Jinyun

(1)

Liaoning Shaohua Power Te

(1)

Liaoning University of Te

(1)

Liaoning Yizhong Equipmen

(1)

Liaoning Yuanleng Low Car

(1)

Linhai Sitong Pipe-Making

(1)

(1)

Liuan Zhongcai Pipeline T

(1)

Liyang Changda New Energy

(1)

Longda Steel Group

(1)

Longshan County Shisenyua

(1)

(1)

(1)

Luoyang Institute of Scie

(1)

Luoyang Ship Material Res

(1)

Maanshan Lingmai Machiner

(1)

Maanshan Zunma Tech Co Lt

(1)

Malak Marek Zphu Mal Met

(1)

Microsoft Technology Lice

(1)

Minghan Shenyang Electrom

(1)

Minzu University of China

(1)

Modi Precision Tech Ningb

(1)

Nanchang Minghong Automat

(1)

Nangtong Haodi Anticorros

(1)

Nanjing Mald Titanium Ind

(1)

Nanjing Univ Of The Arts

(1)

Nanjing Zhuoshang Intelli

(1)

Nantong Fangbang Electric

(1)

Nantong Urban Planning &

(1)

Nantong Wantong Steel Pip

(1)

Nantong Zhonghai Marine E

(1)

Nat Center For Cardiovasc

(1)

National Petroleum Pipeli

(1)

Nfl Group Co Ltd

(1)

Ningbo Cofar Hose & Fitti

(1)

Ningbo Jiurong Intelligen

(1)

Ningbo Metallurgical Surv

(1)

Ningbo Mingyang Stainless

(1)

Ningbo Municipal Engineer

(1)

Ningbo Powerway Alloy Mat

(1)

Ningbo Tebaisi Int Trade

(1)

Ningxia Beiyi Medical Dev

(1)

Ningxia Zhongxin Jingyuan

(1)

No 280 Res Institute Of N

(1)

No 719 Res Institute Chin

(1)

Norendar International

(1)

North China Metallurgical

(1)

Northeast Institute of Ge

(1)

Northeastern University;

(1)

Northwestern Polytechnica

(1)

Nuotong Suzhou Fluid Syst

(1)

Offshore Oil Engineering

(1)

Opt Vision Tech Suzhou Co

(1)

(1)

Pingdingshan No 2 Peoples

(1)

Pipe Transf Limited

(1)

Plas Fit Ltd; Jacob Fried

(1)

Poly Changda Engineering

(1)

Powerchina Ecological Env

(1)

Powerchina Fifth Bureau G

(1)

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(1)

Powerchina Huadong Engine

(1)

Powerchina Huadong Engine

(1)

Powerchina Huadong Engine

(1)

Powerchina Kunming Engine

(1)

Qianan Iron And Steel Com

(1)

Qingdao Beichuan Pipe Ind

(1)

Qingdao Dongye Refractory

(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)

Sandvik Mining and Constr

(1)

Sato New Energy Danyang C

(1)

Shaanxi Aoshen Measuremen

(1)

Shaanxi Huachen Nonferrou

(1)

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(1)

Shandong Academy Of Build

(1)

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(1)

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(1)

Shandong Hezhengtong Engi

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Shandong Hongtai Plastic

(1)

Shandong Jianzhu Universi

(1)

Shandong Pengzhou Plastic

(1)

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(1)

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(1)

Shandong Tongsheng Survey

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Shandong University

(1)

Shandong Yiran Cold Chain

(1)

Shandong Zhihua Pipe Co L

(1)

Shanghai 2nd Polytechnic

(1)

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(1)

Shanghai Baoye Group Corp

(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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Shanxi Coal Import And Ex

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(1)

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Sinohydro Bureau 11

(1)

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(1)

Sinohydro Bureau 7; China

(1)

(1)

South China University of

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(1)

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State Grid Xinyuan Group;

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(1)

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Taihe New Material Group;

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Taiyuan University of Sci

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Taizhou Construction Muni

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Talent Unltd Online Servi

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Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Shanghai Yutong Pipeline Engineering Tech Co Ltd has sought patent for Pipe Diameter Self-adaptive Pipeline Interior Spraying Repair Device. This invention was developed by Tong Zhiqiang. The patent application number is CN202510841152 20250623. The patent publication number is CN120755024 (A). Internatio..

Runqiaoshuang Metal Tech Xinjiang Co Ltd Submits Chinese Patent Application for Durable Double-sided Composite Stainless Steel Connecting Pipe and Preparation Method Thereof

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Runqiaoshuang Metal Tech Xinjiang Co Ltd has submitted a patent application for Durable Double-sided Composite Stainless Steel Connecting Pipe and Preparation Method Thereof. This invention was developed by Hang Pengwei, Li Luyan, Hua Changjin and Lin Shiqiao. The patent application number is CN2025112603..

State Intellectual Property Office of China Receives Ningbo Mingyang Stainless Steel Pipe Co Ltd Patent Application for Super-wear-resistant and Corrosion-resistant Stainless Steel..

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has received Ningbo Mingyang Stainless Steel Pipe Co Ltd patent application for Super-wear-resistant and Corrosion-resistant Stainless Steel Pipe Fitting and Preparation Method Thereof. Zhou Zhilong and Yang Qifeng developed the invention. The patent application..

State Intellectual Property Office of China Publishes Yongcheng Binguang Ind And Mining Electromechanical Co Ltd Patent Application for Synchronous Winding and Unwinding Device for..

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has published Yongcheng Binguang Ind And Mining Electromechanical Co Ltd patent application for Synchronous Winding and Unwinding Device for Gas Source Pipe of Mining Monorail Hoist. The invention was developed by Hou Qianshan, Hou Wenzheng, Hou Minghui and Liu Yu...

Huahui Beijing Energy Co Ltd Applies for Patent on Hoisting Structure for Disassembling Pipeline Accessories

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Huahui Beijing Energy Co Ltd has applied Chinese patent for Hoisting Structure for Disassembling Pipeline Accessories. Zhang Chunyan, Huang Tao and Sun Zhicheng developed it. The patent application number is CN202510990521 20250717. The patent publication number is CN120756981 (A). International Patent Cl..

Harbin Mihan Tech Development Co Ltd Submits Patent Application for Portable Large-diameter Pipeline Automatic Welding or Cutting Device

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Harbin Mihan Tech Development Co Ltd has submitted a patent application for Portable Large-diameter Pipeline Automatic Welding or Cutting Device. Dong Peilin and Dong Peili developed the invention. The patent application number is CN20251127600 20250724. The patent publication number is CN120755575 (A). I..

Tangshan Yuhuan Ind And Trade Co Ltd Submits Patent Application for Straight Seam Steel Pipe Welding Device

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Tangshan Yuhuan Ind And Trade Co Ltd has submitted a patent application for Straight Seam Steel Pipe Welding Device. Li Zeqian, Wang Yuhuan and Chang Shuaizhang developed the invention. The patent application number is CN202511252938 20250903. The patent publication number is CN120755570 (A). Internationa..

State Intellectual Property Office of China Releases Jiangsu Bingrong Pipe Co Ltd Patent Application for Welding Equipment for Seamless Steel Pipe

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has released Jiangsu Bingrong Pipe Co Ltd patent application for Welding Equipment for Seamless Steel Pipe. This invention was developed by Shen Yang. The patent application number is CN202511277189 20250909. The patent publication number is CN120755555 (A). Int..

State Intellectual Property Office of China Publishes Guangdong Yinze Metal Tech Co Ltd Patent Application for Pipe Manufacturing Equipment Utilizing Laser Welding

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has published Guangdong Yinze Metal Tech Co Ltd patent application for Pipe Manufacturing Equipment Utilizing Laser Welding. The invention was developed by Huang Nansheng. The patent application number is CN202511277456 20250909. The patent publication number is..

Suez Environmental Tech Beijing Co Ltd Submits Chinese Patent Application for Gas Dissolving Pipe Type Gas Dissolving Device

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Suez Environmental Tech Beijing Co Ltd has submitted a patent application for Gas Dissolving Pipe Type Gas Dissolving Device. This invention was developed by Wei Baozhong, Zhang Jun, Yang Yanhua and Wang Xu. The patent application number is CN202511203198 20250826. The patent publication number is CN12075..

State Intellectual Property Office of China Receives Inner Mongolia Luhai Construction Co Ltd Patent Application for Self-cleaning Type Pipe Pile Production Dust Removal Circulatin..

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has received Inner Mongolia Luhai Construction Co Ltd patent application for Self-cleaning Type Pipe Pile Production Dust Removal Circulating Device. Mao Jinyun, Weng Fei and Chen Lei developed the invention. The patent application number is CN202511278779 20250..

Yunnan Fangte Environmental Protection Tech Co Ltd Submits Patent Application for Novel PTFE Composite Material for Corrugated Pipe and Preparation Method Thereof

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Yunnan Fangte Environmental Protection Tech Co Ltd has submitted a patent application for Novel PTFE Composite Material for Corrugated Pipe and Preparation Method Thereof. Kong Yuqing, Qian Xiaowei, Hu Xiaoli and Zhang Chunmei developed the invention. The patent application number is CN202511190688 202508..

Zhejiang Ruiwei New Material Tech Co Ltd Submits Chinese Patent Application for Environment-friendly Hose Based on Steel Slag Source Calcium Carbonate and Preparation Method Thereo..

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Zhejiang Ruiwei New Material Tech Co Ltd has submitted a patent application for Environment-friendly Hose Based on Steel Slag Source Calcium Carbonate and Preparation Method Thereof. This invention was developed by Zhu Shizhou, Wu Jiechen, Li Jiahang, Zhou Boxin, Zhao Beining, Zhao Yifan and Li Yongfeng. ..

Shanghai BST Tubing Co Ltd Submits Chinese Patent Application for High-density Polyethylene Silicon Core Pipe and Preparation Method Thereof

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Shanghai BST Tubing Co Ltd has submitted a patent application for High-density Polyethylene Silicon Core Pipe and Preparation Method Thereof. This invention was developed by Yuan Sen and Xu Zhao. The patent application number is CN202510877678 20250627. The patent publication number is CN120756170 (A). In..

State Intellectual Property Office of China Releases Tubest Packing Co Ltd and Guangdong Ruiyuan New Mat Co Ltd Patent Application for Environment-friendly Single-material High-bar..

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has released Tubest Packing Co Ltd and Guangdong Ruiyuan New Mat Co Ltd patent application for Environment-friendly Single-material High-barrier Composite Hose and Preparation Method Thereof. This invention was developed by Du Dexi, Wang Liangsheng, Du Wei and Dai ..

Nanjing Mald Titanium Ind Co Ltd Submits Patent Application for Sealing Ring Device Applied to Large-diameter Welded Pipe Hydraulic Press

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Nanjing Mald Titanium Ind Co Ltd has submitted a patent application for Sealing Ring Device Applied to Large-diameter Welded Pipe Hydraulic Press. Wan Jianchun, Zhang Yuzheng, Chen Yuexiang and Li Pincheng developed the invention. The patent application number is CN202510971108 20250715. The patent public..

Shandong Pengzhou Plastic Ind Co Ltd Seeks Patent for Double-end Automatic Welding Equipment for Plastic Pipes

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Shandong Pengzhou Plastic Ind Co Ltd has sought patent for Double-end Automatic Welding Equipment for Plastic Pipes. This invention was developed by Cong Languo, Cong Weiwei and Hu Benxue. The patent application number is CN202511259635 20250904. The patent publication number is CN120756106 (A). Internati..

Changchun Wotesi Analysis Control Co Ltd Applies for Patent on Production Method and Production Device of Plastic Steel Pipe

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Changchun Wotesi Analysis Control Co Ltd has applied Chinese patent for Production Method and Production Device of Plastic Steel Pipe. Li Qinghui developed it. The patent application number is CN202511277772 20250909. The patent publication number is CN120756087 (A). International Patent Classification co..

Era Pipe Shanghai Co Ltd Files Chinese Patent Application for High-speed Extrusion Die for Non-equal-diameter Thermoplastic Pipes

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Era Pipe Shanghai Co Ltd has filed a patent application for High-speed Extrusion Die for Non-equal-diameter Thermoplastic Pipes. This invention was developed by Liu Liangbin, Yang Changgen and Qiu Xin. The patent application number is CN202511154402 20250818. The patent publication number is CN120756070 (..

Hebei Chaofa Plastic Products Co Ltd Files Chinese Patent Application for Corrugated Pipe Manufacturing Equipment and Double-wall Corrugated Pipe

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Hebei Chaofa Plastic Products Co Ltd has filed a patent application for Corrugated Pipe Manufacturing Equipment and Double-wall Corrugated Pipe. This invention was developed by Zheng Hai and Wang Yinning. The patent application number is CN202510986460 20250717. The patent publication number is CN12075606..

Daji Laser Tech Shenzhen Co Ltd Submits Patent Application for Punching Equipment for Special-shaped Nine-hole Pipe

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Daji Laser Tech Shenzhen Co Ltd has submitted a patent application for Punching Equipment for Special-shaped Nine-hole Pipe. Wang Jifei developed the invention. The patent application number is CN202511162458 20250819. The patent publication number is CN120755944 (A). International Patent Classification c..

Zhenjiang Tanjiang Automation Tech Co Ltd Applies for Patent on Steel Pipe Welding Device for House Building

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Zhenjiang Tanjiang Automation Tech Co Ltd has applied Chinese patent for Steel Pipe Welding Device for House Building. Yue Linlin, Li Hua and Lin Zhiqiang developed it. The patent application number is CN20251167107 20250731. The patent publication number is CN120755471 (A). International Patent Classific..

Wuxi Qiaofeiya Prec Machinery Co Ltd Files Chinese Patent Application for Gas Distribution Device and Process for Automatic Shielded Welding of Inner Wall of Stainless Steel Pipe F..

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Wuxi Qiaofeiya Prec Machinery Co Ltd has filed a patent application for Gas Distribution Device and Process for Automatic Shielded Welding of Inner Wall of Stainless Steel Pipe Fitting. This invention was developed by Liang Yonghao, Yin Fangzhong, Jin Wanxue and Cui Yingmei. The patent application number ..

Shanghai Modern Chemical Vocational College Shanghai Petrochemical Ind School Submits Chinese Patent Application for Vertical Position Welding Device for Straight Pipe Butt Welding

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Shanghai Modern Chemical Vocational College Shanghai Petrochemical Ind School has submitted a patent application for Vertical Position Welding Device for Straight Pipe Butt Welding. This invention was developed by Liu Man, Zhang Jihuang, Bao Shixi, Tang Haojie, Chen Wenbo and Wu Min. The patent applicatio..

CCCC Shec Science And Ind Wuhan Co Ltd Files Chinese Patent Application for Automatic Steel Pipe Cutting Device and Technology Thereof

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- CCCC Shec Science And Ind Wuhan Co Ltd has filed a patent application for Automatic Steel Pipe Cutting Device and Technology Thereof. This invention was developed by Zhan Yajun, Kang Wangjun, Wang Lang, Hu Xuejun, Wang Haitao, Liu Jianfeng and Ye Li. The patent application number is CN202510552587 2025042..

Shaanxi Huachen Nonferrous Metal Mat Co Ltd Seeks Patent for Fixed-length Perforating Device for Metal Pipe

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Shaanxi Huachen Nonferrous Metal Mat Co Ltd has sought patent for Fixed-length Perforating Device for Metal Pipe. This invention was developed by Ning Xiaogang, Yang Hao and Ning Xiaodong. The patent application number is CN202511144478 20250815. The patent publication number is CN120755378 (A). Internati..

State Intellectual Property Office of China Releases Xi'an Chengli Aviation Mfg Co Ltd Patent Application for Quick Change Structure and Quick Change Method for Pipe Bending Machin..

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has released Xi'an Chengli Aviation Mfg Co Ltd patent application for Quick Change Structure and Quick Change Method for Pipe Bending Machine Die. This invention was developed by Zhuo Jian and Hu Zhansong. The patent application number is CN202511227544 20250829..

State Intellectual Property Office of China Releases Sichuan BNS Pipeline Co Ltd Patent Application for Pipe Grooving Machine

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has released Sichuan BNS Pipeline Co Ltd patent application for Pipe Grooving Machine. This invention was developed by Dai Jiewen, Gan Weijia and Ruan Zhouhong. The patent application number is CN202511247591 20250903. The patent publication number is CN12075523..

State Intellectual Property Office of China Receives Jiangsu Daocheng Pipe Industry Tech Co Ltd and Jiangsu Daocheng Stainless Steel Pipe Ind Co Ltd Patent Application for Automati..

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has received Jiangsu Daocheng Pipe Industry Tech Co Ltd and Jiangsu Daocheng Stainless Steel Pipe Ind Co Ltd patent application for Automatic Pipe Bending Machine for Stainless Steel Pipe Fitting Production. Cui Gong, Chen Jianhua, Kuang Yilong, Zhou Yubin and Song..

Hetai Nantong Prec Machinery Co Ltd Submits Patent Application for Single-head Hydraulic Composite Pipe Bending Machine with Adjustable Bending Radius

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Hetai Nantong Prec Machinery Co Ltd has submitted a patent application for Single-head Hydraulic Composite Pipe Bending Machine with Adjustable Bending Radius. Chen Ling, Tang Guofei, Ju Jinxing, Chen Sidong, Yuan Shuangshuang, Deng Xiaowei, Chen Guang and Wang Shenghai developed the invention. The patent..

Hunan Taojiang Xiangzhong Hydraulic Machinery Co Ltd Submits Patent Application for Rounding Device for Water Conservancy Pipeline

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Hunan Taojiang Xiangzhong Hydraulic Machinery Co Ltd has submitted a patent application for Rounding Device for Water Conservancy Pipeline. Liu Feiyue, Hu Wuqiang, Luo Shengbin, Su Jibin, Gong Yufeng and Liu Debin developed the invention. The patent application number is CN202511258112 20250904. The paten..

State Intellectual Property Office of China Publishes Dongtai Mengxiang Hardware Products Co Ltd Patent Application for Metal Copper Pipe Drawing Equipment

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has published Dongtai Mengxiang Hardware Products Co Ltd patent application for Metal Copper Pipe Drawing Equipment. The invention was developed by Meng Liwei. The patent application number is CN202511244024 20250902. The patent publication number is CN120755203..

State Intellectual Property Office of China Publishes Kesiyu Zhejiang Packaging Co Ltd Patent Application for Tpe Soft Rubber Head Hose

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has published Kesiyu Zhejiang Packaging Co Ltd patent application for Tpe Soft Rubber Head Hose. The invention was developed by Yang Lifeng. The patent application number is CN202510879695 20250627. The patent publication number is CN120756759 (A). International..

Zhongke Guangzhi Xi'an Tech Co Ltd Seeks Patent for Pipe Collecting Method and Device in Pipe Processing Production Line

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Zhongke Guangzhi Xi'an Tech Co Ltd has sought patent for Pipe Collecting Method and Device in Pipe Processing Production Line. This invention was developed by Geng Kaige, Tian Pengkang, Zhou Dan, Zong Hengjun and Xue Yongwen. The patent application number is CN20251168274 20250731. The patent publication ..

Suzhou Youdeli Metal Products Co Ltd Applies for Patent on Steel Pipe Binding Device

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Suzhou Youdeli Metal Products Co Ltd has applied Chinese patent for Steel Pipe Binding Device. Yu Shuang and Fu Qing developed it. The patent application number is CN202511276872 20250909. The patent publication number is CN120756711 (A). International Patent Classification codes are B65B13/04, B65B13/18 ..

State Intellectual Property Office of China Publishes Hunan Dingyi Zhiyuan Tech Dev Co Ltd and Hunan Dingyi Zhizao Digital Equipment Tech Development Co Ltd Patent Application for ..

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has published Hunan Dingyi Zhiyuan Tech Dev Co Ltd and Hunan Dingyi Zhizao Digital Equipment Tech Development Co Ltd patent application for Printing Head Mounting Structure Integrating Flat Heat Pipe and Liquid Cooling and Thermal Sublimation Printer. The invention..

Shandong Zhihua Pipe Co Ltd Submits Chinese Patent Application for Positioning Clamp of Grooved Pipe Fitting Polishing Machine Tool and Polishing Process

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Shandong Zhihua Pipe Co Ltd has submitted a patent application for Positioning Clamp of Grooved Pipe Fitting Polishing Machine Tool and Polishing Process. This invention was developed by Li Jian. The patent application number is CN202511282122 20250909. The patent publication number is CN120755786 (A). In..

State Intellectual Property Office of China Releases Fu Liwen Patent Application for Polishing Treatment Device for Metal Pipe Fitting

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has released Fu Liwen patent application for Polishing Treatment Device for Metal Pipe Fitting. The patent application number is CN202510745164 20250605. The patent publication number is CN120755773 (A). International Patent Classification codes are B24B29/08, B2..

Shanghai Composite Mat Tech Co Ltd Submits Chinese Patent Application for Composite Material Thin-wall Round Pipe Surface Polishing Device and Method

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Shanghai Composite Mat Tech Co Ltd has submitted a patent application for Composite Material Thin-wall Round Pipe Surface Polishing Device and Method. This invention was developed by Shao Jingli, Lee Jong Ju, Yu Hu, Hao Yu, Pan Yifeng, Niu Quanxin, Lu Yaobin, Chen Jun, Chen Yuejin, Xu Changlong and Kong Ling..

State Intellectual Property Office of China Publishes Xi'an XD Cable Co Ltd and China XD Group Co Ltd Patent Application for 5G Leaky Cable Spiral Corrugated Copper Pipe Inner Cond..

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has published Xi'an XD Cable Co Ltd and China XD Group Co Ltd patent application for 5G Leaky Cable Spiral Corrugated Copper Pipe Inner Conductor Welding Embossing Device and Method. The invention was developed by Cao Pan, Dai Yongqiang, Wang Jia, Yang Laming, Yang..

State Intellectual Property Office of China Receives Shantou Mingxin Ind Co Ltd Patent Application for Length-adjustable Self-cutting Pump Head Pipe Fitting Assembling Device and A..

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has received Shantou Mingxin Ind Co Ltd patent application for Length-adjustable Self-cutting Pump Head Pipe Fitting Assembling Device and Assembling Method. Li Chuncheng developed the invention. The patent application number is CN202511257070 20250904. The pate..

State Intellectual Property Office of China Releases Henan Yicheng Construction Eng Co Ltd Patent Application for Clamp for Welding Steel Pipe for Steel Structure Building

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has released Henan Yicheng Construction Eng Co Ltd patent application for Clamp for Welding Steel Pipe for Steel Structure Building. This invention was developed by Wu Hongshuai, Lu Lei, Wu Hongtao, Du Yifang, Wu Hongkun, Yang Linlin, Dong Zhixun, Wang Haojie and X..

State Intellectual Property Office of China Receives Foshan Boyu Metal Tech Co Ltd Patent Application for Auxiliary Fixing Device for Welding of Longitudinal Welded Pipe

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has received Foshan Boyu Metal Tech Co Ltd patent application for Auxiliary Fixing Device for Welding of Longitudinal Welded Pipe. Chen Yonghua and Meng Hai developed the invention. The patent application number is CN202510911307 20250702. The patent publication..

State Intellectual Property Office of China Releases Powerchina Ecological Env Group Co Ltd Patent Application for Pressure Pipeline Welding Positioning Device and Positioning Meth..

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has released Powerchina Ecological Env Group Co Ltd patent application for Pressure Pipeline Welding Positioning Device and Positioning Method. This invention was developed by Jing Mou, Zhong Yibin, Chen Yiliang, Ma Wenjie, Li Xin, Zhang Dongdong, Jiang Hongjiao an..

Shenzhen Feellife Aerosol Medicine Files Chinese Patent Application for Pipeline Structure and Atomization Device

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Shenzhen Feellife Aerosol Medicine has filed a patent application for Pipeline Structure and Atomization Device. This invention was developed by Hua Jian and Xie Guozheng. The patent application number is CN202510901032 20250701. The patent publication number is CN120754373 (A). International Patent Class..

State Intellectual Property Office of China Receives Shenzhen Zhongke Lanhai Tech Industrial Co Ltd Patent Application for Efficient Anti-freezing and Anti-blocking Integrated Indu..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has received Shenzhen Zhongke Lanhai Tech Industrial Co Ltd patent application for Efficient Anti-freezing and Anti-blocking Integrated Induction Heating System and Method for Oil and Gas Pipeline. Qi Lin, Lin Yuejia, Tang Fengshuo, Xie Jun, Yang Min, Wang Dalin, W..

Shanxi Construction Invest International Construction Group Co Ltd Submits Patent Application for Quick Mounting Device for Fire-fighting Pipeline

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Shanxi Construction Invest International Construction Group Co Ltd has submitted a patent application for Quick Mounting Device for Fire-fighting Pipeline. Tian Zhimin, He Lirong, He Yangyang, Sun Guodong, Li Zhigang, Xiong Junjie, Zhao Cen and Ning Bo developed the invention. The patent application numbe..

State Intellectual Property Office of China Releases Zhejiang Zhenshen Insulation Tech Corp Ltd Patent Application for Fireproof Cold Insulation Pipeline Support

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has released Zhejiang Zhenshen Insulation Tech Corp Ltd patent application for Fireproof Cold Insulation Pipeline Support. This invention was developed by Ma Xuefeng, Zhang Jianhao, Zhang Zhenyu and Zhang Junyan. The patent application number is CN202511111938 2..

State Intellectual Property Office of China Releases Taizhou Hechun Pipe Industry Tech Co Ltd Patent Application for Special Ep-grade Pipeline for Conveying Photoetching Machine Ga..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has released Taizhou Hechun Pipe Industry Tech Co Ltd patent application for Special Ep-grade Pipeline for Conveying Photoetching Machine Gas. This invention was developed by Xue Weidong. The patent application number is CN202510978733 20250716. The patent publi..

State Intellectual Property Office of China Publishes CNOOC Shenzhen Ocean Engineering Tech Services Co Ltd Patent Application for In-place Method for Vertical Connector at Tail En..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has published CNOOC Shenzhen Ocean Engineering Tech Services Co Ltd patent application for In-place Method for Vertical Connector at Tail End of Deepwater Hose. The invention was developed by Ma Qinglin, Zhang Yang, Gao Chao, Zhang Yunpeng, Cheng Xianhao, He Qizhi,..

Shanghai Highway Bridge Group Co Ltd Files Chinese Patent Application for Steel Jacking Pipe Retaining Device Based on Alternating Magnetic Field

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Shanghai Highway Bridge Group Co Ltd has filed a patent application for Steel Jacking Pipe Retaining Device Based on Alternating Magnetic Field. This invention was developed by Fang Tao, Zhen Liang, Wang Jianfeng, Kim Ji-sun, Zhang Tao, Zhu Xiangfei and Liu Xue. The patent application number is CN20251103..

Shanghai Qianhetai Tech Co Ltd Applies for Patent on Method and Device for Matching Pipe Diameters of Inlet and Outlet of Battery Cooler and Battery Cooler

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Shanghai Qianhetai Tech Co Ltd has applied Chinese patent for Method and Device for Matching Pipe Diameters of Inlet and Outlet of Battery Cooler and Battery Cooler. Ma Hao and Guo Jialin developed it. The patent application number is CN20251107315 20250722. The patent publication number is CN120764103 (A..

State Intellectual Property Office of China Releases Zhejiang Baokun Machinery Tech Co Ltd Patent Application for Intermediate Jacking Station of Pipe Jacking Machine

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has released Zhejiang Baokun Machinery Tech Co Ltd patent application for Intermediate Jacking Station of Pipe Jacking Machine. This invention was developed by Wu Tiancai, Zhou Haibiao, Wang Haojie and Jin Yufeng. The patent application number is CN202511216936 ..

State Intellectual Property Office of China Publishes Foshan Shunde Water Conservancy And Hydropower Survey And Design Institute Co Ltd Patent Application for Adjustable Pipeline S..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has published Foshan Shunde Water Conservancy And Hydropower Survey And Design Institute Co Ltd patent application for Adjustable Pipeline Supporting Device for Water Conservancy Project. The invention was developed by Huang Xinhua, Zheng Zhaonian and Chen Peiyan. ..

State Intellectual Property Office of China Publishes Xingtai Jizuan Crossing Pipeline Eng Co Ltd Patent Application for Gas Pipeline Laying Equipment for Urban Gas Pipeline Constr..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has published Xingtai Jizuan Crossing Pipeline Eng Co Ltd patent application for Gas Pipeline Laying Equipment for Urban Gas Pipeline Construction. The invention was developed by Wang Peng and Liu Debang. The patent application number is CN20251173244 20250801. ..

No. 719 Res Institute China State Shipbuilding Co Ltd Seeks Patent for Inert Gas Accident Ionization Chamber Monitor for Main Steam Pipeline

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- No. 719 Res Institute China State Shipbuilding Co Ltd has sought patent for Inert Gas Accident Ionization Chamber Monitor for Main Steam Pipeline. This invention was developed by Ge Mengtuan, Qiu Shunli, Zhou Yulin, Dong Jincheng, Huang Xinjie, Liu Shan, Yan Yangyang, Pei Yu, Xiao Wei, Liu Haifeng, Zeng Le, ..

State Intellectual Property Office of China Publishes Wuhan Shengyong Zhijie Tech Co Ltd Patent Application for Positioning Detection Method of Underwater Oil and Gas Pipeline Oute..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has published Wuhan Shengyong Zhijie Tech Co Ltd patent application for Positioning Detection Method of Underwater Oil and Gas Pipeline Outer Cable Based on Gps-rtk. The invention was developed by Yu Jie, Yang Zepeng, Wang Haowei, Tu Chonggang and Peng Feiyue. T..

Bachuan Group Co Ltd Files Chinese Patent Application for Heater Connector, Heater Connector Assembly Kit, and Pipe with Heater

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Bachuan Group Co Ltd has filed a patent application for Heater Connector, Heater Connector Assembly Kit, and Pipe with Heater. This invention was developed by Sugawara Yousuke and Goto Makoto. The patent application number is CN20248014247 20240131. The patent publication number is CN120752998 (A). Intern..

Capital Childrens Medical Center Capital Medical University Submits Chinese Patent Application for Breathing Machine Pipeline Dynamic Stabilizing System Based on Mechanical Intelli..

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Capital Childrens Medical Center Capital Medical University has submitted a patent application for Breathing Machine Pipeline Dynamic Stabilizing System Based on Mechanical Intelligence. This invention was developed by Guo Litao, Yan Huijuan and Wang Yajuan. The patent application number is CN202510642328..

State Intellectual Property Office of China Receives Beihang University and COMAC Beijing Aeronautical Science & Technology Research Institute Patent Application for Hydrogen Fuel ..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has received Beihang University and COMAC Beijing Aeronautical Science & Technology Research Institute patent application for Hydrogen Fuel Rotational Flow Micro-mixing Nozzle of Spiral Air Channel Micro-pipe. Han Xiao, Zeng Jingwei, Yu Hang, Wang Yuchen and Li Jia..

State Intellectual Property Office of China Releases Baosteel Zhanjiang Iron & Steel Co Ltd Patent Application for Steam Pipeline Leakage Online Detection and Alarm Method and Syst..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has released Baosteel Zhanjiang Iron & Steel Co Ltd patent application for Steam Pipeline Leakage Online Detection and Alarm Method and System. This invention was developed by Huang Haimin. The patent application number is CN202511167177 20250820. The patent pub..

China Jikan Res Institute Of Engineering Investigations And Design Co Ltd Seeks Patent for Urban Drainage Pipe Robot Integrating Inspection and Repair and Inspection and Repair Met..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- China Jikan Res Institute Of Engineering Investigations And Design Co Ltd has sought patent for Urban Drainage Pipe Robot Integrating Inspection and Repair and Inspection and Repair Method. This invention was developed by Jia Rubin, Wang Yong, Li Jian, Shi Huaiqing, Wang Shuangyu, Wan Zaixin, Zhang Zhiyuan, ..

State Intellectual Property Office of China Publishes Luoyang Ship Material Res Institute No. 725 Res Institute Of China State Shipbuilding Corporation Lim Patent Application for A..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has published Luoyang Ship Material Res Institute No. 725 Res Institute Of China State Shipbuilding Corporation Lim patent application for Automatic Feedback Control Pipeline In-situ Antifouling Device. The invention was developed by Zhao Mingyu, Ma Xiao, Xu Xuelei..

Tianjin Xiangshan New Material Tech Co Ltd Applies for Patent on Belt Type Pipeline Plugging Maintenance Device and Plugging Maintenance Method Thereof

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Tianjin Xiangshan New Material Tech Co Ltd has applied Chinese patent for Belt Type Pipeline Plugging Maintenance Device and Plugging Maintenance Method Thereof. Yuan Ding developed it. The patent application number is CN202511102396 20250807. The patent publication number is CN120760017 (A). Internationa..

Wenzhou Water Group Co Ltd Applies for Patent on Splicing Lining Structure and Method for Repairing Large-diameter Pipeline

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Wenzhou Water Group Co Ltd has applied Chinese patent for Splicing Lining Structure and Method for Repairing Large-diameter Pipeline. Lu Jianjing, Yang Zhihao, Zheng Yichang, Lv Pin, Lin Qianqian, Xu Daili, Chen Zong and Jiang Yueying developed it. The patent application number is CN202510838672 20250623...

State Intellectual Property Office of China Releases Guangzhou Hengjia Construction Co Ltd Patent Application for Municipal Water Distribution Pipe Network Data Analysis System and..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has released Guangzhou Hengjia Construction Co Ltd patent application for Municipal Water Distribution Pipe Network Data Analysis System and Method and Electronic Equipment. This invention was developed by Zhong Qiuquan, Cheng Ziyang and Lin Runjia. The patent a..

State Intellectual Property Office of China Receives Qingdao Haixinuo Consulting Man Co Ltd Patent Application for Heat Supply Pipe Network Energy-saving Effect Evaluation Method a..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has received Qingdao Haixinuo Consulting Man Co Ltd patent application for Heat Supply Pipe Network Energy-saving Effect Evaluation Method and System Based on Artificial Intelligence. Guo Meng, Li Yanjun, Qu Ruiling, Liu Wei, Song Qingchun, Hao Li, Wang Congzheng a..

State Intellectual Property Office of China Releases Anhui Zulin New Mat Co Ltd and Hefei University of Technology Patent Application for Intelligent Monitoring Device for Stabilit..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has released Anhui Zulin New Mat Co Ltd and Hefei University of Technology patent application for Intelligent Monitoring Device for Stability of Disc Buckle Type Steel Pipe Supporting Frame. This invention was developed by Zhan Biao, Fang Shisheng, Qian Hui, Du Cha..

State Intellectual Property Office of China Receives Jiujiang Design Institute Of Water Conservancy and Electric Power and Jiujiang Water Conservancy Tech Application Center Patent..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has received Jiujiang Design Institute Of Water Conservancy and Electric Power and Jiujiang Water Conservancy Tech Application Center patent application for Post-flood Treatment Method for Pipe Gushing Out of Dangerous Point. Zhan Wanglin, Gao Hong, Li Linbing, Zhu..

State Intellectual Property Office of China Releases Tianjin Aisida New Material Tech Co Ltd Patent Application for Spray Pipe Modal Consistency Detection System and Method

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has released Tianjin Aisida New Material Tech Co Ltd patent application for Spray Pipe Modal Consistency Detection System and Method. This invention was developed by Li Yu, Gao Yan, Yu Zongzhi, Li Shiwei, Yan Jifeng and Cui Xifeng. The patent application number ..

State Intellectual Property Office of China Publishes Shijiazhuang Power Supply Branch Co State Grid Hebei Electric Power Co, State Grid Corporation of China and Shanghai Yijing In..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has published Shijiazhuang Power Supply Branch Co State Grid Hebei Electric Power Co, State Grid Corporation of China and Shanghai Yijing Information Tech Co Ltd patent application for Power Pipe Gallery Fire Visual Perception System and Use Method. The invention w..

State Intellectual Property Office of China Releases Hangzhou Xinxing Bigycle Parts Co Ltd Patent Application for Pipe Feeding Detection Process and Equipment Thereof

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has released Hangzhou Xinxing Bigycle Parts Co Ltd patent application for Pipe Feeding Detection Process and Equipment Thereof. This invention was developed by Zhang Heng, Zhu Zhonghua and Meng Fanlong. The patent application number is CN202510895453 20250630. T..

Shandong Tongsheng Surveying And Mapping Geographic Information Co Ltd Applies for Patent on Underground Pipeline Diameter Laser Measuring Device

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Shandong Tongsheng Surveying And Mapping Geographic Information Co Ltd has applied Chinese patent for Underground Pipeline Diameter Laser Measuring Device. Zhai Guangyin, Jian Siping and Han Wenxia developed it. The patent application number is CN202511188875 20250825. The patent publication number is CN1..

Zhonglian Huarui Natural Gas Co Ltd Submits Chinese Patent Application for Method and System for Monitoring Production State of Coal Bed Gas Pipeline

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Zhonglian Huarui Natural Gas Co Ltd has submitted a patent application for Method and System for Monitoring Production State of Coal Bed Gas Pipeline. This invention was developed by Liu Jia, Lu Ruiqing, Li Hua, Zhang Guanyong, Qiao Jiangtao and Zhang Zibo. The patent application number is CN202510941343 ..

State Intellectual Property Office of China Publishes Xuzhou Hongrui Zhitong Electromechanical Equipment Sales Co Ltd Patent Application for Construction Device and Method for Muni..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has published Xuzhou Hongrui Zhitong Electromechanical Equipment Sales Co Ltd patent application for Construction Device and Method for Municipal Water Supply and Drainage Pipeline. The invention was developed by Su Yuchao, Zhang Yaotian and Yan Yan. The patent ..

Nangtong Haodi Anticorrosion Equipment Co Ltd Files Chinese Patent Application for Device for Testing Adhesive Force of Anticorrosive Coating of Anticorrosive Pipeline

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Nangtong Haodi Anticorrosion Equipment Co Ltd has filed a patent application for Device for Testing Adhesive Force of Anticorrosive Coating of Anticorrosive Pipeline. This invention was developed by Jia Qiyue, Cheng Yonghong and Wu Tengfei. The patent application number is CN202511273392 20250908. The pat..

State Intellectual Property Office of China Releases Guangdongspecial Equipment Inspection And Res Institute Shunde Testing Institute Patent Application for Infrared Thermal Imagin..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has released Guangdongspecial Equipment Inspection And Res Institute Shunde Testing Institute patent application for Infrared Thermal Imaging Full-dimension Monitoring Method for Corrosion of Pipeline Under Thermal Insulation Layer. This invention was developed by ..

Southwest Petroleum University Submits Chinese Patent Application for Multi-parameter Collaborative Optimization Method for Monitoring Corrosion Coupon in Pipeline

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Southwest Petroleum University has submitted a patent application for Multi-parameter Collaborative Optimization Method for Monitoring Corrosion Coupon in Pipeline. This invention was developed by Qin Min, Wu Xueling, Liao Kexi, He Guoxi, He Tengjiao and Wang Min'an. The patent application number is CN202..

Hebei Yueshucheng Information Tech Co Ltd Seeks Patent for Method, Device and Equipment for Measuring Flow and Concentration of Fluid in Pipe Outside Pipe

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Hebei Yueshucheng Information Tech Co Ltd has sought patent for Method, Device and Equipment for Measuring Flow and Concentration of Fluid in Pipe Outside Pipe. This invention was developed by Zhao Bing, Gao Jianyong, Wang Wei, Yan Sisi, Gao Yuquan and Wang Hu. The patent application number is CN202511547..

Nanjing Zhuoshang Intelligent Tech Co Ltd Applies for Patent on Data Monitoring and Early Warning Maintenance System of Intelligent Water Service Pipe Network Based on Digital Twin..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Nanjing Zhuoshang Intelligent Tech Co Ltd has applied Chinese patent for Data Monitoring and Early Warning Maintenance System of Intelligent Water Service Pipe Network Based on Digital Twinning. Zhu Wenjuan and Xia Liang developed it. The patent application number is CN202510877933 20250627. The patent pu..

Hunan Jinhui Construction Group Co Ltd Submits Chinese Patent Application for Urban Road Drainage Pipeline Groove Excavation Supporting Device and Construction Method

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Hunan Jinhui Construction Group Co Ltd has submitted a patent application for Urban Road Drainage Pipeline Groove Excavation Supporting Device and Construction Method. This invention was developed by Ning Qiang, Tao Ti, Li Hao, He Yanling, Luo Feng and He Min. The patent application number is CN2025111961..

State Intellectual Property Office of China Receives Shenzhen Zhongchang Testing Tech Co Ltd Patent Application for Metal Pipe Nondestructive Testing Auxiliary Device

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has received Shenzhen Zhongchang Testing Tech Co Ltd patent application for Metal Pipe Nondestructive Testing Auxiliary Device. Wu Hongbo, Meng Guojie, Zheng Shoujun, Wu Lin, Zhang Jingjing, Liang Xiaolong and Zhou Kun developed the invention. The patent applica..

Zhejiang Zhongzheng Geotechnical Co Ltd Submits Chinese Patent Application for Steel Pipe Pile for Treating Landslide

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Zhejiang Zhongzheng Geotechnical Co Ltd has submitted a patent application for Steel Pipe Pile for Treating Landslide. This invention was developed by Zhou Xudong. The patent application number is CN202510935504 20250708. The patent publication number is CN120759275 (A). International Patent Classificatio..

Tianjin Huajie Electric Power Eng Co Ltd Submits Chinese Patent Application for Underground Pipeline Repair Detection Method and Device

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Tianjin Huajie Electric Power Eng Co Ltd has submitted a patent application for Underground Pipeline Repair Detection Method and Device. This invention was developed by Tu Jing, Chen Feng, Zhang Xing, Li Guisong, Li Qiaojuan, Zhang Wanxia, Han Yanyan and Geng Biao. The patent application number is CN20251..

Jiangsu Zhishang Detection Tech Co Ltd Submits Chinese Patent Application for Small Pipeline Eddy Current Detection Device

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Jiangsu Zhishang Detection Tech Co Ltd has submitted a patent application for Small Pipeline Eddy Current Detection Device. This invention was developed by Chang Feng and Ling Li. The patent application number is CN20251170054 20250731. The patent publication number is CN120761481 (A). International Paten..

Jiangxi Xuanjin Tech Co Ltd Submits Patent Application for Precast Concrete Threaded Pipe Pile Twisting Breaking and Separating Construction Technology

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Jiangxi Xuanjin Tech Co Ltd has submitted a patent application for Precast Concrete Threaded Pipe Pile Twisting Breaking and Separating Construction Technology. Jiang Shouci, Zhang Kun, Zhang Shanqiang and Qian Kun developed the invention. The patent application number is CN202511124018 20250812. The pate..

China Chemical City Construction Chengdu Co Ltd Applies for Patent on Urban Rainwater Pipe Network Transformation Planning Method, Device and Equipment and Storage Medium

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- China Chemical City Construction Chengdu Co Ltd has applied Chinese patent for Urban Rainwater Pipe Network Transformation Planning Method, Device and Equipment and Storage Medium. Xia Minggan, Fan Hao, Zhang Jiqing, Li Xulong and Bian Jing developed it. The patent application number is CN202511254795 202..

Eurasian Guangdong Freezing Equipment Co Ltd Applies for Patent on Air Source Heat Pump Anti-freezing Solution Defrosting System Based on Liquid Pipe Waste Heat

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Eurasian Guangdong Freezing Equipment Co Ltd has applied Chinese patent for Air Source Heat Pump Anti-freezing Solution Defrosting System Based on Liquid Pipe Waste Heat. Li Qingru, Zhan Wangxing and Yang Qilong developed it. The patent application number is CN20251191312 20250805. The patent publication ..

State Intellectual Property Office of China Publishes PowerChina Huadong Engineering Corporation, Hangzhou Water Shuzhi Tech Co Ltd and Zhejiang University of Technology Patent App..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has published PowerChina Huadong Engineering Corporation, Hangzhou Water Shuzhi Tech Co Ltd and Zhejiang University of Technology patent application for Pareto Front-driven Municipal Pipeline Defect Intelligent Identification Method and Device. The invention was de..

State Intellectual Property Office of China Receives Guangdong Enboli Electric Appliance Co Ltd and Anhui Enboli Electric Appliance Patent Application for Control Method for Heat S..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- State Intellectual Property Office of China has received Guangdong Enboli Electric Appliance Co Ltd and Anhui Enboli Electric Appliance patent application for Control Method for Heat Storage Type Heat Pump with Double Heat Storage Pipes. Wei Longtao, Huang Songbin, Yang Xianghong, Su Haogui, Yu Weili and Che..

Huadian Env Prot Eng & Tech Co Ltd Submits Chinese Patent Application for Power Plant Heat Pipe Flue Gas Waste Heat Recovery Device

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Huadian Env Prot Eng & Tech Co Ltd has submitted a patent application for Power Plant Heat Pipe Flue Gas Waste Heat Recovery Device. This invention was developed by Han Zhiyong, Long Weirong, Li Xinchao, Shen Hanjie, Ding Yuan, Wang Shan, Xu Deyue, Zhu Chengkang, Yang Hua, Xu Yachen, Li Chunxi, Gu Yimin, Zhu..

Jiangxi Chenshi Tech Group Co Ltd Submits Chinese Patent Application for Device for Testing Pressure Resistance of Heating Pipeline Connection Leakage-proof Structure

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Jiangxi Chenshi Tech Group Co Ltd has submitted a patent application for Device for Testing Pressure Resistance of Heating Pipeline Connection Leakage-proof Structure. This invention was developed by Zhao Panpan, Cheng Donghong, Cai Xiaoan, Gao Guangqiang and Liao Jiansan. The patent application number is..

Jining Institute Of Quality and Metrology Jining Semiconductor and Display Product Quality Supervision An Submits Chinese Patent Application for Pressure Resistance Detection Equip..

Pipe

| Tue 10 Mar 2026

Beijing, March 11 -- Jining Institute Of Quality and Metrology Jining Semiconductor and Display Product Quality Supervision An has submitted a patent application for Pressure Resistance Detection Equipment and Test Method for High-pressure Pipe Fitting. This invention was developed by Yang Yong, Liu Xiaowei, Meng Xiao, Li Wei, S..

Nat Center For Cardiovascular Diseases Submits Chinese Patent Application for Nested Type Pipeline with Valve

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Nat Center For Cardiovascular Diseases has submitted a patent application for Nested Type Pipeline with Valve. This invention was developed by Zou Erhou, Hu Shengshou, Li Dan, Hou Qianwen and Su Mingming. The patent application number is CN202511285558 20250910. The patent publication number is CN12075383..

Zhejiang Fengyuan New Material Tech Co Ltd and Taizhou Tiandayuan Tech Co Ltd Submit Chinese Patent Application for Cleaning Machine Pipe Resistant to High Temperature, Low Tempera..

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Zhejiang Fengyuan New Material Tech Co Ltd and Taizhou Tiandayuan Tech Co Ltd have submitted a patent application for Cleaning Machine Pipe Resistant to High Temperature, Low Temperature and High Pressure. This invention was developed by Wang Yonghao, Zhang Shuli and Gao Yunfang. The patent application nu..

Foshan Rifeng Enterprise, Rifeng New Mat Co Ltd and Rifeng Tech Co Ltd Submit Chinese Patent Application for Thermosensitive Color-changing Crosslinked Polyethylene Pipe and Prepar..

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Foshan Rifeng Enterprise, Rifeng New Mat Co Ltd and Rifeng Tech Co Ltd have submitted a patent application for Thermosensitive Color-changing Crosslinked Polyethylene Pipe and Preparation Method Thereof. This invention was developed by Wang Yongbiao and Lyu Ailong. The patent application number is CN20251..

Powerchina Fifth Bureau Guangyuan Construction Co Ltd and Sinohydro Engineering Bureau 5 Seek Patent for Pipeline Hoisting Device and Pipeline Hoisting Method

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Powerchina Fifth Bureau Guangyuan Construction Co Ltd and Sinohydro Engineering Bureau 5 have sought patent for Pipeline Hoisting Device and Pipeline Hoisting Method. This invention was developed by Su Yunfu, Sun Xueliang, Peng Ling, Wang Yaowei, Li Gang, Li Tao, Liang Tao, Xiong Liang, Chen Tan, Guo Depeng,..

Wuhan Huike Zhichuang Tech Co Ltd, Wuhan Hanyang Municipal Construction Group and Wuhan Tanda Engineering Project Man Co Ltd Seek Patent for Urban Pipeline Monitoring System Based ..

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- Wuhan Huike Zhichuang Tech Co Ltd, Wuhan Hanyang Municipal Construction Group and Wuhan Tanda Engineering Project Man Co Ltd have sought patent for Urban Pipeline Monitoring System Based on Beidou Positioning. This invention was developed by Huang Jinxin, Jin Qiliang, Chen Qin, Jia Huiran, Peng Xiaohu, Xiang..

State Grid Xinyuan Group, Hebei Yixian Pumped Storage Co Ltd and Sinohydro Engineering Bureau 4 Submit Chinese Patent Application for Pipe Body Transport Vehicle

Pipe

| Wed 11 Mar 2026

Beijing, March 11 -- State Grid Xinyuan Group, Hebei Yixian Pumped Storage Co Ltd and Sinohydro Engineering Bureau 4 have submitted a patent application for Pipe Body Transport Vehicle. This invention was developed by Guo Penghao, Li Zonghua, Ren Qingfeng and Li Changqi. The patent application number is CN202511138332 2025081..

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