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16:08:43 Fri 01 May 2026

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Dalian Cosco Shipping Hea

(5)

Huaneng Qingyang Coal and

(5)

Shaanxi Youfa Steel Pipe

(5)

Anhui Shengchenyuan Mater

(4)

Chengdu Aircraft Industry

(4)

Hangzhou Underground Pipe

(4)

Nanzhi Chongqing Energy T

(4)

Guangdong Zhongnan Iron a

(3)

(3)

Shandong Ranyin Electrica

(3)

Shanghai Baoye Group Corp

(3)

Southwest Petroleum Unive

(3)

Wuhu Jingyi Metal Co Ltd

(3)

AECC Shenyang Engine Rese

(2)

Anhui Xinlei Pipe System

(2)

Beijing Urban Constructio

(2)

CCCC Third Harbour Engine

(2)

CCCC-FHDI Engineering; Ch

(2)

Chaokong Shuke Shanghai T

(2)

(2)

China 22MCC Group Corpora

(2)

China Nat Offshore Oil Co

(2)

Epiroc Rock Drills

(2)

Fuguang Env Engineering S

(2)

Ganyeah Holding Group Co

(2)

Guangdong Dahong New Mat

(2)

Guangzhou Power Supply Bu

(2)

Harbin Engineering Univer

(2)

Hebei Jingbo Petroleum Ma

(2)

Huayuan Jinbo Tech Co Ltd

(2)

Hubei Dingfengda Plastic

(2)

Jiangnan Shipyard Group

(2)

Jiangxi Chenshi Tech Grou

(2)

Jinan Bodor Laser

(2)

Jinan First Construction

(2)

Jinghua Plastic Ind Co Lt

(2)

Lingman Machinery Tech Ch

(2)

Nangtong Haodi Anticorros

(2)

Nanjing Dade Steel Pipe

(2)

Nanjing Iron and Steel

(2)

National Petroleum Pipeli

(2)

No 719 Res Institute Chin

(2)

(2)

Powerchina Ecological Env

(2)

Seksun Tech Suzhou Co Ltd

(2)

Shaanxi Coal Mining Hanch

(2)

Shandong Province Water C

(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

Shengli Oil Field Deli In

(2)

Shenyang Xinlian Petroche

(2)

Sumaite Intelligent Techn

(2)

Taian Yongrui Intelligent

(2)

Taiyuan University of Sci

(2)

Tianjin Youfa Pipeline Te

(2)

Tianjin Youfa Pipeline Te

(2)

Water Resources Research

(2)

Wuhan Kingbull Economic D

(2)

Wuhan Municipal Engineeri

(2)

Xi\'an Thermal Power Rese

(2)

Zhejiang Yinjia Copper Co

(2)

Zhengzhou University

(2)

(1)

AECC Xi\'an Power Control

(1)

(1)

Aiouti Shanghai Water Tec

(1)

Akan Enterprise Group (Zh

(1)

(1)

Anhui & Huaihe River Inst

(1)

Anhui Changan Intelligent

(1)

Anhui Changjiang Steel Co

(1)

Anhui Communications Serv

(1)

Anhui Kangqiao Environmen

(1)

Anhui Ruiyuan Pipeline Co

(1)

Anhui Shijing Technology

(1)

Anhui Specreation Instrum

(1)

Anhui University of Scien

(1)

Anhui Weiyuan Tech Consul

(1)

Anhui Wentai New Mat Co L

(1)

Anhui Xinfu New Energy Te

(1)

Anhui Xiutong Building Ma

(1)

Anhui Zhijie New Energy A

(1)

Anhui Zhonghan High Molec

(1)

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(1)

Anyang Ruimeida Clean Ene

(1)

Aoku Hydropower Branch Hu

(1)

Aoxin Zhenjiang Marine Te

(1)

Avic Huadong Photoelectro

(1)

(1)

Baocheng Heavy Ind Co Ltd

(1)

Baode South China Shenzhe

(1)

Baoji Brother United Meta

(1)

Baoshili Shanghai New Mat

(1)

Beibu Gulf University

(1)

Beifang Weijiamao Coal Po

(1)

Beijing Fortune Precision

(1)

Beijing Qianwang Tech Co

(1)

Beijing Research Institut

(1)

Beijing Shougang

(1)

Beijing University of Tec

(1)

Beijing Urban Constructio

(1)

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(1)

Beijing Yingfengte Energy

(1)

Beijing Zhong Rui Heng Sc

(1)

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(1)

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(1)

Bengang Steel Plates

(1)

CCCC First Highway Engine

(1)

CCCC Mechanical & Electri

(1)

CCCC National Engineering

(1)

CCCC Tianjin Dredging

(1)

CHN Energy Science and Te

(1)

CKD Corporation

(1)

CNOOC Energy Technology &

(1)

CNOOC Gas & Power Group

(1)

COSCO Shipping Heavy Indu

(1)

(1)

CRRC Zhuzhou Electric

(1)

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(1)

CSSC Huangpu Wenchong Shi

(1)

Cad Create And Dev Ab

(1)

Caihong Display Devices

(1)

Can Oilfield Equipment Te

(1)

Cangzhou Huatao Pipe Ind

(1)

Cangzhou Huishang Pipe Fi

(1)

Caoxian Haiqing Furniture

(1)

Casic Feihang Technology

(1)

Cccc First Highway No 2 E

(1)

Cccc Shec Science And Ind

(1)

Central South University

(1)

Cgn Inspection Tech Co Lt

(1)

Changchun Equipment & Tec

(1)

Changjiang Ecology Enviro

(1)

Changshu Guoqiang Hemao T

(1)

Changshu Ruisheng Auto Pa

(1)

Changzhi Zetai Rubber & P

(1)

Changzhou Desheng Plastic

(1)

Changzhou University

(1)

Changzhou Xinneng Automat

(1)

(1)

Chengdu Chuanxing Tech Pl

(1)

Chengdu Decoration Co Ltd

(1)

Chengdu Homin Technology

(1)

Chengdu University of Tec

(1)

Chengxi Shipyard; Cssc Ch

(1)

Chenzhou Yuechen Pipeline

(1)

China Coal Technology Eng

(1)

China Constr 8th Engineer

(1)

China Electronics Chuangd

(1)

China Energy Engineering

(1)

China Faw Group

(1)

China Gezhouba Group No 3

(1)

China Grain Storage Cheng

(1)

China Information Consult

(1)

China MCC20 Group Corpora

(1)

China Mcc5 Group Corporat

(1)

China Metallurgical Const

(1)

China Metallurgical Jingc

(1)

China Nat Offshore Oil Co

(1)

China Nat Offshore Oil Co

(1)

China National Chemical E

(1)

China National Heavy Mach

(1)

China Nuclear Power Insti

(1)

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(1)

China Three Gorges

(1)

China Three Gorges; Chang

(1)

China Tiesiju Civil Engin

(1)

China University of Geosc

(1)

China University of Geosc

(1)

China University of Minin

(1)

China Western Power Indus

(1)

Chongqing Itln Electrical

(1)

Chongqing Jiufang Aluminu

(1)

Chongqing Research Instit

(1)

Chongqing Shipping Constr

(1)

Chongqing University

(1)

Cisdi Technology Research

(1)

Cooper Standard Automotiv

(1)

Crrc Qishuyan Inst Co Ltd

(1)

Cssc Qingdao Beihai Boat

(1)

Cummins Filtration Inc [u

(1)

Dalian Dv Valve Co Ltd

(1)

Dalian University of Tech

(1)

Danyang Kore Prec Electro

(1)

Daqing Tiandezhong Petrol

(1)

Dezhou Luyou Traffic Faci

(1)

Dichuan Energy Man Beijin

(1)

Dingzhou Liqiang Sports G

(1)

Dongguan Aituo Automation

(1)

Dongguan Kefasheng Ind Co

(1)

Dongguan Xintan Hardware

(1)

Dongtai Randan Machinery

(1)

Dongying Tianshan Petrole

(1)

Dongying Xinruifeng Petro

(1)

East China University of

(1)

Econnect Energy As

(1)

(1)

Envirobot Gmbh & Co Kg

(1)

Erzhong (Deyang) Heavy Eq

(1)

Eslink Computing Hangzhou

(1)

(1)

Foshan Nanhai Hanhong Sew

(1)

Foshan Yiruikang Hvac Fit

(1)

Foursquare Labs

(1)

Fujian Boyang Shipbuildin

(1)

Fujian Lutong Pipe Indust

(1)

Geely Holding Group; Zhej

(1)

Geyi Energy Tech Foshan C

(1)

Gezhouba Explosive Co Ltd

(1)

Gongxin Construction Dev

(1)

Gree Electric Appliances,

(1)

GuangXi University

(1)

Guangdong Building Materi

(1)

Guangdong East Pipes Co L

(1)

Guangdong Global Pipe Net

(1)

Guangdong Guoyan New Mat

(1)

Guangdong Hailong Constru

(1)

Guangdong Haiwu Technolog

(1)

Guangdong Hualu Transport

(1)

Guangdong Huicheng Vacuum

(1)

Guangdong Liyuan Hydrauli

(1)

Guangdong Meizhi Precisio

(1)

Guangdong Nuclear Power J

(1)

Guangdong Pengchenhui Con

(1)

Guangdong Res Inst Water

(1)

Guangdong University of T

(1)

Guangdong Wangong Ind Co

(1)

Guangdong Xiansu Tech Gro

(1)

Guangdong Yingye Intellig

(1)

Guangzhou Installation Gr

(1)

Guangzhou Jintieniu Shelf

(1)

Guangzhou Mayer Corp Ltd

(1)

Guangzhou Medical Univers

(1)

Guangzhou No 3 Municipal

(1)

Guangzhou Xingpei New Mat

(1)

Guangzhou Yizai Intellige

(1)

Guilin University of Tech

(1)

Guiyang Aluminium Magnesi

(1)

Guizhou Aerospace Fenghua

(1)

Guizhou Aerospace Xinli T

(1)

Guizhou Dongsheng Huasu P

(1)

Guizhou Power Grid; Elect

(1)

Guizhou Wujiang Coalbed M

(1)

Guo Neng Long Yuan Power

(1)

H2c Safety Pipe Inc

(1)

HEGII Sanitary Ware Group

(1)

Handan Youfa Steel Pipe C

(1)

Hangyu Zhizao Beijing Eng

(1)

Hangzhou Linan Rongsheng

(1)

Hangzhou Quanjiang Transf

(1)

Hangzhou Tengyu Shuzhi Co

(1)

Haofuming Wuxi Tech Co Lt

(1)

(1)

Harbin Institute of Techn

(1)

Harbin Institute of Techn

(1)

Harbin Kaina Tech Co Ltd

(1)

Hebei Hanfeng Power Gener

(1)

Hebei Huidong Pipeline Co

(1)

Hebei Jiuhua Explor Surve

(1)

Hebei Meikang Pipe Ind Co

(1)

Hebei Qianming Plastic Pr

(1)

Hebei Special Equipment S

(1)

Hebei University of Engin

(1)

Hebei Zebang Plastic Tech

(1)

Hefei Liangzhen Building

(1)

Hefei Shuhe Robot Tech Co

(1)

Hefei Water Group Co Ltd

(1)

Hefei Zhenhua Refrigerati

(1)

Heilongjiang Construction

(1)

Heilongjiang Institute of

(1)

Henan Delang Intelligent

(1)

Henan Fanglan Electromech

(1)

Henan Huiyuan Dev Concret

(1)

Henan Jingpeng Constructi

(1)

Henan University of Scien

(1)

Henan Yuzhi Construction

(1)

Hengshui Gengyin Rubber P

(1)

Hongshengxin New Mat Hube

(1)

(1)

Huadian Kuche Power Gener

(1)

Huadian Laizhou Power Gen

(1)

Huaneng Clean Energy Res

(1)

Huaneng Huajialing Wind P

(1)

Huaneng Lancang River Hyd

(1)

Huaneng Qinmei Ruijin Pow

(1)

Huaneng Shanghai Electric

(1)

Huangpu Construction Eng

(1)

Huatian Nanjing Engineeri

(1)

Hubei Defeng Heat Exchang

(1)

Hubei Energy Group Ezhou

(1)

Hubei Energy Group Xiangy

(1)

Hubei Qingjiang Hydroelec

(1)

Hubei Xingxin Technology

(1)

Hubei Yinlun Machinery

(1)

Hubei Zhongrui Environmen

(1)

Hui Feng Electronics Rizh

(1)

Huizhou Zhonghai Hongyang

(1)

Hunan Oriental Yuhong Pip

(1)

Hunan Paipu New Mat Co Lt

(1)

Hunan University of Techn

(1)

Hunan Valin Xiangtan Iron

(1)

Hunan Xiecheng Pipe Indus

(1)

Hunan Youdu Electromechan

(1)

Hunan Zhongan Zhike Techn

(1)

Hunan Zhongjian Qipei Tec

(1)

Huzhou Enn Gas Dev Co Ltd

(1)

Huzhou Kaijin New Energy

(1)

Hynertech Co Ltd

(1)

INA Acquisition

(1)

(1)

(1)

(1)

Inner Mongolia University

(1)

Inspur Software Co Ltd

(1)

Inst Med Biology Cams

(1)

Institute of High Energy

(1)

Institute of Modern Physi

(1)

Ips Corporation Weld On D

(1)

Jiande Huafeng Environmen

(1)

Jiangsu Aierte Instr Co L

(1)

Jiangsu Baicheng Special

(1)

Jiangsu Baodi Pipe Ind Co

(1)

Jiangsu Changbao Steel Tu

(1)

Jiangsu Changkun Intellig

(1)

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(1)

Jiangsu Ddbs Env Remediat

(1)

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(1)

Jiangsu Dynamic Medical T

(1)

Jiangsu FAMSUN Intelligen

(1)

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(1)

Jiangsu Haoran New Mat Co

(1)

Jiangsu High Poly New Mat

(1)

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(1)

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(1)

Jiangsu Juxin Petroleum S

(1)

Jiangsu Kaiaisi Auto Part

(1)

Jiangsu Leiting Prec New

(1)

Jiangsu New Sunshine Tube

(1)

Jiangsu Rongdi Pipe Indus

(1)

Jiangsu Shagang Iron and

(1)

Jiangsu Shenyuan Group

(1)

Jiangsu Taikeboman Medica

(1)

Jiangsu Taiyuan Equipment

(1)

Jiangsu University of Sci

(1)

Jiangsu Urban Water Suppl

(1)

Jiangsu Xinpeng Composite

(1)

Jiangsu Yawei Machine Too

(1)

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(1)

Jiangsu Yiwenjie Fuel Inj

(1)

Jiangsu Yongsheng Air Con

(1)

Jiangsu Yuansheng High Ne

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Jiangxi Dongde Environmen

(1)

Jiangxi Hanyong New Mat C

(1)

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(1)

Jiangxi Strong Tech Co Lt

(1)

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(1)

Jiangyin Shixin Oxygen Eq

(1)

Jianyuan Zhilian Jinan Fl

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Jiashan Tianhe Semiconduc

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Jincheng Tianyi Casting C

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Jinchuan Group; Jinchuan

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Jingning She Autonomous C

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(1)

Jiqing Tech Shanghai Co L

(1)

Jubian Xinneng Anhui Co L

(1)

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(1)

Kaifeng Municipal Man Aff

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Kaifeng Product Quality I

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Kangtai Plastic Science &

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Kende Environment Tech En

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Keruijia Hubei Machinery

(1)

Kingho Coal Chemical Inne

(1)

(1)

Kraussmaffei Machinery Ch

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(1)

(1)

Lanzhou Changtong Highway

(1)

Lanzhou Jiaotong Universi

(1)

Lanzhou University

(1)

(1)

(1)

(1)

Liaocheng Development Zon

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(1)

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(1)

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(1)

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National Institutes for Q

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(1)

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No 5 Eng Co Ltd Of Cccc F

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Nodal Australia Pty Ltd

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Safran Aircraft Engines;

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State Intellectual Property Office of China Releases Hebei Special Equipment Supervision and Inspection Institute Patent Application for Pipeline Leakage Positioning Method and Dev..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- State Intellectual Property Office of China has released Hebei Special Equipment Supervision and Inspection Institute patent application for Pipeline Leakage Positioning Method and Device. This invention was developed by Li Ning, Wu Jiapeng, Fu Minghui, Wei Xiaojin, Wang Chenyang, Wang Aihua, Teng Wei and Liu X..

Sinohydro Bureau 11 and PowerChina Hydropower 11th Bureau Shenzhen Engineering Apply for Patent on Pipe Replacing Device for Tail of Rear Matched Trailer of Dual-mode Shield Tunnel..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Sinohydro Bureau 11 and PowerChina Hydropower 11th Bureau Shenzhen Engineering have applied Chinese patent for Pipe Replacing Device for Tail of Rear Matched Trailer of Dual-mode Shield Tunneling Machine and Pipe Replacing Construction Technology of Pipe Replacing Device. Wang Hailei, Li Jianshun, Wang Shaopeng..

Foshan Nanhai Hanhong Sewage Treat System Management Co Ltd and Grandblue Environment Submit Chinese Patent Application for Self-closing Electric Municipal Pipeline Flap Valve

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Foshan Nanhai Hanhong Sewage Treat System Management Co Ltd and Grandblue Environment have submitted a patent application for Self-closing Electric Municipal Pipeline Flap Valve. This invention was developed by He Jintao, Tan Suyun, Chen Lixin, Zhang Zhibo, Liang Guangyao and Chen Hualiu. The patent applicat..

Henan Huiyuan Dev Concrete Co Ltd and Huanghe Science & Technology College File Chinese Patent Application for Concrete Guide Pipe Filling Machine

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Henan Huiyuan Dev Concrete Co Ltd and Huanghe Science & Technology College have filed a patent application for Concrete Guide Pipe Filling Machine. This invention was developed by Xia Qing, Wang Kang and Wang Jingyan. The patent application number is CN202511672428 20251114. The patent publication number is ..

China Tiesiju Civil Engineering Group and Shanghai Eng Co Ltd Of China Tiesiju Civil Eng Group Submit Chinese Patent Application for Self-locking Type Well Point Pipe Safe Pulling-..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- China Tiesiju Civil Engineering Group and Shanghai Eng Co Ltd Of China Tiesiju Civil Eng Group have submitted a patent application for Self-locking Type Well Point Pipe Safe Pulling-out Equipment and Using Method Thereof. This invention was developed by Zhao Di, Li Xin, Zhang He, Zhang Wei, Zhou Liang, Chen Jia..

Guangdong Liyuan Hydraulic Mach Co Ltd and Guangdong Sibada Heavy Industry Tech Co Ltd Submit Patent Application for Quick Piling Method for Steel Pipe Piles in Wading Area and Und..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Guangdong Liyuan Hydraulic Mach Co Ltd and Guangdong Sibada Heavy Industry Tech Co Ltd have submitted a patent application for Quick Piling Method for Steel Pipe Piles in Wading Area and Underwater Self-locking Piling System. Wei Guobao, Wei Zhijian and Pang Judong developed the invention. The patent applica..

Chengxi Shipyard and CSSC Chengxi Yangzhou Shipbuilding Co Ltd Apply for Patent on Ventilation Equipment for On-board Pipe Tunnel Construction

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Chengxi Shipyard and CSSC Chengxi Yangzhou Shipbuilding Co Ltd have applied Chinese patent for Ventilation Equipment for On-board Pipe Tunnel Construction. Gao Chang developed it. The patent application number is CN202511506289 20251021. The patent publication number is CN121180436 (A). International Patent ..

Hunan Valin Xiangtan Iron & Steel and Northeastern University Submit Chinese Patent Application for Production Method of Thick-wall Pipeline Steel X65MS for Polar Region

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Hunan Valin Xiangtan Iron & Steel and Northeastern University have submitted a patent application for Production Method of Thick-wall Pipeline Steel X65MS for Polar Region. This invention was developed by Yang Jianhua, Liu Jiwen, Gao Qing, Wang Bin, Li Zhongping, Tian Yong, Wang Bingxing, Wang Jiming, Xiong Xia..

Sinoso Science And Tech Inc and Jiangsu Zhongsu Water Saving Tech Co Ltd Submit Chinese Patent Application for Production Mold for Improving Strength of PE (polyethylene) Ribbed Pi..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Sinoso Science And Tech Inc and Jiangsu Zhongsu Water Saving Tech Co Ltd have submitted a patent application for Production Mold for Improving Strength of PE (polyethylene) Ribbed Pipe. This invention was developed by Song Chengfa, Yan Aizhong, Zhang Yuan, Zhou Kang and Guo Qiang. The patent application numb..

China University of Geosciences, Beijing and Xi'an Research Institute of China Coal Technology & Engineering Group Submit Patent Application for Preparation Device and Use Method o..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- China University of Geosciences, Beijing and Xi'an Research Institute of China Coal Technology & Engineering Group have submitted a patent application for Preparation Device and Use Method of Porous Polymer Screen Pipe for Gas Extraction Hole. Zhang Guobiao, Zhang Xiaofang, Wang Chuanliu, Sun Youhong, Ma Shaomi..

Zhejiang Guangchuan Engineering Consulting and Zhejiang Guangchuan Intelligent Water Operation Man Co Ltd Submit Chinese Patent Application for Novel Device for Taking Old Steel Wi..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Zhejiang Guangchuan Engineering Consulting and Zhejiang Guangchuan Intelligent Water Operation Man Co Ltd have submitted a patent application for Novel Device for Taking Old Steel Wire in Inverted Drooping Pipe. This invention was developed by Xu Gang, Gao Shang, Dai Chunhua, Xiong Zhifu, Li Hongqiang, Ge Guoch..

Nanning Guidian Electronic Technology Research Institute and Guilin University of Electronic Technology Submit Chinese Patent Application for Electromagnetic and Hydraulic Integrat..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Nanning Guidian Electronic Technology Research Institute and Guilin University of Electronic Technology have submitted a patent application for Electromagnetic and Hydraulic Integrated Forming Equipment and Process for Pipes and Plates. This invention was developed by Ma Jianping, Zhang Shanqun, Pang Saisai, Xi..

South China University of Technology and Guangdong Newidea Tech Co Ltd Submit Chinese Patent Application for Automatic Shaping Equipment and Method for Heat Pipe

Pipe

| Fri 01 May 2026

Beijing, May 1 -- South China University of Technology and Guangdong Newidea Tech Co Ltd have submitted a patent application for Automatic Shaping Equipment and Method for Heat Pipe. This invention was developed by Zhang Saijun, Zhao Tongtao, Li Yong, Zhang Zengjian and Chen Hanyin. The patent application number is CN20251139..

Tianjin Youfa Pipeline Technology and Tianjin Youfa Steel Pipe Group Co Ltd Seek Patent for Plastic-coated Steel Pipe Production Device Capable of Dynamically Rotating and Heating

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Tianjin Youfa Pipeline Technology and Tianjin Youfa Steel Pipe Group Co Ltd have sought patent for Plastic-coated Steel Pipe Production Device Capable of Dynamically Rotating and Heating. This invention was developed by Han Zhilong, Gao Zhiling, Chen Chen, Liu Wei, Li Bingshang, Li Binggang, Han Wentang and Din..

Institute of High Energy Physics, Chinese Academy of Sciences and Hefei University of Technology Seek Patent for Venturi Ejector Structure for Gas Return Pipeline of Nitrogen Phase..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Institute of High Energy Physics, Chinese Academy of Sciences and Hefei University of Technology have sought patent for Venturi Ejector Structure for Gas Return Pipeline of Nitrogen Phase Separator of Big Science Device. This invention was developed by Ge Rui, Ma Changcheng, Huo Yi, Zhang Zhihang, Ding Ran, Zha..

CCCC-FHDI Engineering and China Communications Construction Malaysia Co Ltd Apply for Patent on Submarine Pipeline Scour Prediction Method Based on Multi-scale Turbulence-particle ..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- CCCC-FHDI Engineering and China Communications Construction Malaysia Co Ltd have applied Chinese patent for Submarine Pipeline Scour Prediction Method Based on Multi-scale Turbulence-particle Interaction. Qian Yuanming, Niu Honglin, Ni Qingjiu, Tan Jie, Chen Liangzhi, Shi Huqiang, Li Junhong, Xiang Song, Liu Ji..

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

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Xinjiang Water Resources & Hydropower Survey and Design Institute, Xinjiang Hami Dongtian Water Conservancy Group Co Ltd, Xinjiang Haoyuan Water Supply Co Ltd and China Institute of Water Resources and Hydropower Research have applied Chinese patent for Prestress Steel Cylinder Concrete Pipe Protection Layer Se..

CCCC-FHDI Engineering and China Communications Construction Malaysia Co Ltd Apply for Patent on Submarine Pipeline Scouring-vibration Response Analysis Method Based on Cross-scale ..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- CCCC-FHDI Engineering and China Communications Construction Malaysia Co Ltd have applied Chinese patent for Submarine Pipeline Scouring-vibration Response Analysis Method Based on Cross-scale Coupling Framework. Niu Honglin, Ni Qingjiu, Tan Jie, Chen Liangzhi, Shi Huqiang, Li Junhong, Xiang Song, Liu Jiahu, Qia..

Shanghai Chemical Ind Park Common Corridor Co Ltd and Harbin Institute of Technology, Weihai Submit Chinese Patent Application for Pipe Gallery Defect Detection Method of YOLO Mode..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Shanghai Chemical Ind Park Common Corridor Co Ltd and Harbin Institute of Technology, Weihai have submitted a patent application for Pipe Gallery Defect Detection Method of YOLO Model Based on Improved Model Compression Technology. This invention was developed by Sun Hua, Fang Shiqi, Xie Wei, Shi Zhiqiang, Du B..

Xi'an Xingxun Intelligent Communication Tech Co Ltd and Shandong Xingxun Intelligent Tech Co Ltd Apply for Patent on Underground Pipeline Health State Assessment Method and System ..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Xi'an Xingxun Intelligent Communication Tech Co Ltd and Shandong Xingxun Intelligent Tech Co Ltd have applied Chinese patent for Underground Pipeline Health State Assessment Method and System Based on Multi-source Data Fusion. Liu Jiajun, Zhang Lei, Feng Xinglong, Fang Yuping, Wang Chunyuan, Lu Yusen, Zu Jinwei..

Xiamen Special Equipment Inspection Institute and Fuzhou University Submit Chinese Patent Application for Sonar Image Recognition Device for Strait-crossing Gas Pipeline and Use Me..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Xiamen Special Equipment Inspection Institute and Fuzhou University have submitted a patent application for Sonar Image Recognition Device for Strait-crossing Gas Pipeline and Use Method of Sonar Image Recognition Device. This invention was developed by Fu Xibin, Zhong Shuncong, Zou Zhijian, Feng Ligang, Fan Ch..

PowerChina Huadong Engineering Corporation and Zhejiang Huadong Engineering Construction Management Co Ltd Seek Patent for Device and Method for Improving Plugging Effect of Pipeli..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- PowerChina Huadong Engineering Corporation and Zhejiang Huadong Engineering Construction Management Co Ltd have sought patent for Device and Method for Improving Plugging Effect of Pipeline Closed Water Test. This invention was developed by Liu Zhanfeng, Zhao Pan, Gao Lindong, Yu Xuequn, Huang Libao, Ma Delian ..

CHN Energy Science and Technology Research Institute and National Energy Nanjing Electric Power Test Research Submit Chinese Patent Application for Steam Pipe Heating and Heat Grad..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- CHN Energy Science and Technology Research Institute and National Energy Nanjing Electric Power Test Research have submitted a patent application for Steam Pipe Heating and Heat Gradient Utilization System and Method in Quick Start-stop Process of Unit. This invention was developed by Cao Songshan, Chen Guoqing..

China Nat Offshore Oil Corp and CNOOC Res Institute Co Ltd Submit Patent Application for Method, System, Medium and Equipment for Judging Blockage Position of Natural Gas Pipeline

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- China Nat Offshore Oil Corp and CNOOC Res Institute Co Ltd have submitted a patent application for Method, System, Medium and Equipment for Judging Blockage Position of Natural Gas Pipeline. Chen Haihong, Qin Rui, Fu Qiang, Liu Yibin, Zheng Lijun, Liu Yongfei, Li Dan and Wang Yunfei developed the invention. ..

Shaanxi Space Pump & Valve Science And Tech Co Ltd and Shaanxi Aerospace Delin Science And Tech Group Co Ltd Submit Chinese Patent Application for Natural Gas Production Pipeline H..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Shaanxi Space Pump & Valve Science And Tech Co Ltd and Shaanxi Aerospace Delin Science And Tech Group Co Ltd have submitted a patent application for Natural Gas Production Pipeline Heating System. This invention was developed by Lin Benchang, Yan Yaping, Chen Yunfeng, Lin Xiaoliang and Zhang Zhonghui. The pa..

Jubian Xinneng Anhui Co Ltd and Hefei Institutes of Physical Science, Chinese Academy of Sciences Apply for Patent on Corrugated Pipe Assembly and Pressure Regulating Method of Cor..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Jubian Xinneng Anhui Co Ltd and Hefei Institutes of Physical Science, Chinese Academy of Sciences have applied Chinese patent for Corrugated Pipe Assembly and Pressure Regulating Method of Corrugated Pipe Assembly. Li Cheng, Yi Delu, Zhang Qingquan, Ge Zhaobin and Sun Kun developed it. The patent application..

Shanghai Tianyang Steel Tube Co Ltd, Shanghai Tianyang Shidai Tech Co Ltd, Shanghai Yiyuan Energy Tech Co Ltd and Zhejiang Tianyang Steel Pipe Co Ltd Submit Chinese Patent Applicat..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Shanghai Tianyang Steel Tube Co Ltd, Shanghai Tianyang Shidai Tech Co Ltd, Shanghai Yiyuan Energy Tech Co Ltd and Zhejiang Tianyang Steel Pipe Co Ltd have submitted a patent application for Corrosion-resistant High-flux Bimetal Metallurgy Composite Pipe and Preparation Process Thereof. This invention was develo..

Zhongheng Hongrui Construction Group Co Ltd, Hengchao Construction Eng Group Co Ltd and Fujian Zhongshengjia Construction Eng Co Ltd Submit Patent Application for Adjustable Suppor..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Zhongheng Hongrui Construction Group Co Ltd, Hengchao Construction Eng Group Co Ltd and Fujian Zhongshengjia Construction Eng Co Ltd have submitted a patent application for Adjustable Supporting Structure for Water Conservancy Pipeline Installation. Chen Zhenkai, Wang Ming, Chen Ling, Chen Jianyun, Wu Qiongxia,..

Shanghai Baoye Group Corporation Files Chinese Patent Application for Insulation Device and Method for Positive Electrode Connecting Wire Pipe of Electroosmosis Anti-permeability a..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Shanghai Baoye Group Corporation has filed a patent application for Insulation Device and Method for Positive Electrode Connecting Wire Pipe of Electroosmosis Anti-permeability and Moisture-proof System. This invention was developed by Xu Zijing, Hu Weixiong, Zhang Mengran, Kang Jianning, Chen Peng, Yu Shen, Li..

Casic Feihang Technology Research Institute of Casia Haiying Mechanical & Electronic Research Institute Files Chinese Patent Application for Automatic Operation Control Method and ..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Casic Feihang Technology Research Institute of Casia Haiying Mechanical & Electronic Research Institute has filed a patent application for Automatic Operation Control Method and System for Low-vacuum Pipeline Magnetic Levitation Center. This invention was developed by Mao Kai, Li Shaowei, Zhang Zhihao, Wang Son..

China Electronics Chuangda Construction Equipment Technology Submits Chinese Patent Application for Through-wall Sealing Module for Cable Pipeline

Pipe

| Fri 01 May 2026

Beijing, May 1 -- China Electronics Chuangda Construction Equipment Technology has submitted a patent application for Through-wall Sealing Module for Cable Pipeline. This invention was developed by Feng Jiayi, Wang Xingwang, Wang Xiaoyong, Du Fenghua, Liu Jie and Liu Mingxian. The patent application number is CN202511546132 202..

Heilongjiang Institute of Construction Technology Submits Chinese Patent Application for Assembly Type Building Electrical Pipeline Integrated Connecting Device and Installation Me..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Heilongjiang Institute of Construction Technology has submitted a patent application for Assembly Type Building Electrical Pipeline Integrated Connecting Device and Installation Method Thereof. This invention was developed by Dong Juan, Wu Guizhou, Wang Zipeng, Jing Yanfeng and Zhang Xianliang. The patent appl..

State Intellectual Property Office of China Publishes Hubei Qingjiang Hydroelectric Development Patent Application for Heavy-load Connector with Double-layer Flame-retardant Hose

Pipe

| Fri 01 May 2026

Beijing, May 1 -- State Intellectual Property Office of China has published Hubei Qingjiang Hydroelectric Development patent application for Heavy-load Connector with Double-layer Flame-retardant Hose. The invention was developed by Xu Chongqing, Liu Jinlu, Yang Zhenhui, Yan Miao, Wang Yong, Wen Yong, Zhu Yingquan, Meng Yubin, Y..

State Intellectual Property Office of China Releases University of Science and Technology Beijing Patent Application for Pipe Network Safety Accident Emergency Rescue Evaluation Me..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- State Intellectual Property Office of China has released University of Science and Technology Beijing patent application for Pipe Network Safety Accident Emergency Rescue Evaluation Method and System. This invention was developed by Wang Anhu, Jiang Huiling, An Lu, Yu Zhijing, Bian Huiting, Yang Jianhong and Wa..

Xuzhou Global Prec Steel Tube Co Ltd Applies for Patent on Precise Seamless Steel Pipe Cold Drawing Process Quality Online Evaluation Method

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Xuzhou Global Prec Steel Tube Co Ltd has applied Chinese patent for Precise Seamless Steel Pipe Cold Drawing Process Quality Online Evaluation Method. Tang Yu, Liu Bisheng, Sun Zhaosong, Zhu Zhencai, Xu Hui, Fan Tianjin, Lu Hao and Zhou Fei developed it. The patent application number is CN202511198127 202508..

Guangdong Pengchenhui Construction Co Ltd Submits Chinese Patent Application for Pipe Section Adjusting Device and Method for Electromechanical Engineering Construction

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Guangdong Pengchenhui Construction Co Ltd has submitted a patent application for Pipe Section Adjusting Device and Method for Electromechanical Engineering Construction. This invention was developed by Yu Dianhua, Liu Ping, Zhao Guojun, Jiang Nengfei, Wang Chunlong and Zhang Shenghong. The patent application..

Qingdao Special Steel Submits Patent Application for Steam Pipeline Pressure Control Method

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Qingdao Special Steel has submitted a patent application for Steam Pipeline Pressure Control Method. Yin Mingsheng, Liu Baolong, Zhou Junmin and Xu Zengfei developed the invention. The patent application number is CN202511324754 20250916. The patent publication number is CN121187376 (A). International Patent C..

Guangdong University of Technology Files Chinese Patent Application for Vibrating Type Drain Pipe Crystal Removal Device

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Guangdong University of Technology has filed a patent application for Vibrating Type Drain Pipe Crystal Removal Device. This invention was developed by Lyu Jianbing, Chen Jiahao, Shao Ying, Feng Li and Li Guohui. The patent application number is CN202511741424 20251125. The patent publication number is CN12118..

Huaneng Huajialing Wind Power Generation Co Ltd Submits Patent Application for Sand Discharging Device for Long-distance High-sand-content Water Conveying Pipeline

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Huaneng Huajialing Wind Power Generation Co Ltd has submitted a patent application for Sand Discharging Device for Long-distance High-sand-content Water Conveying Pipeline. Li Neng'an, Wu Peize, Yang Haowen, Ren Yugang, Zhang Yang and Wang Meidong developed the invention. The patent application number is CN2..

State Intellectual Property Office of China Receives Guo Neng Long Yuan Power Tech & Engineering Co Ltd Patent Application for Supporting Method for Foundation Pit on Outer Side of..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- State Intellectual Property Office of China has received Guo Neng Long Yuan Power Tech & Engineering Co Ltd patent application for Supporting Method for Foundation Pit on Outer Side of Circulating Water Pipeline. Liu Zengwen, Fu Yao and Liu Sijia developed the invention. The patent application number is CN20..

Zhejiang Hongchao Construction Group Co Ltd Submits Patent Application for Prestressed Concrete Pipe Pile Static Pressure Device and Construction Technology

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Zhejiang Hongchao Construction Group Co Ltd has submitted a patent application for Prestressed Concrete Pipe Pile Static Pressure Device and Construction Technology. Jiang Jianbo, Ji Peichun, Ding Liwei, Song Longlong, Tong Pengwu, Zhang Qicheng, Bo Qichen, Hong Guangfa and Wu Yanlei developed the invention. ..

Municipal Environmental Construction of CREC Submits Patent Application for Static Pressure Prestressed Pipe Pile Installation Construction Device

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Municipal Environmental Construction of CREC has submitted a patent application for Static Pressure Prestressed Pipe Pile Installation Construction Device. Zheng Tianyang, Wang Chunchao, Wang Xiao, Zhang Kaixuan and Xin Benbin developed the invention. The patent application number is CN202511200067 20250826. T..

PowerChina Zhenchong Construction Engineering Submits Patent Application for Equipment for Constructing Vibro-replacement Stone Column by Adopting Sealed Telescopic Guide Pipe Unde..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- PowerChina Zhenchong Construction Engineering has submitted a patent application for Equipment for Constructing Vibro-replacement Stone Column by Adopting Sealed Telescopic Guide Pipe Under Height Limiting Condition. Yao Junping, Lu Wei, Wang Guozhong and Wang Chengjun developed the invention. The patent appli..

Jiangyin Shixin Oxygen Equipment Co Ltd Files Chinese Patent Application for Oxidation Negative Pressure Energy-saving Circulating Pipeline System and Method

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Jiangyin Shixin Oxygen Equipment Co Ltd has filed a patent application for Oxidation Negative Pressure Energy-saving Circulating Pipeline System and Method. This invention was developed by Zhang Shijun. The patent application number is CN202511668853 20251114. The patent publication number is CN121183385 (A)..

Suzhou Luokelai Tech Co Ltd Applies for Patent on Ultra-long Pipeline Inner Wall Global Laser Cladding Process and Equipment

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Suzhou Luokelai Tech Co Ltd has applied Chinese patent for Ultra-long Pipeline Inner Wall Global Laser Cladding Process and Equipment. Cao Feng, Yu Qinwei, Pan Yong, Lu Houlong and Yang Minghui developed it. The patent application number is CN202511737947 20251125. The patent publication number is CN12118333..

Taiyuan University of Science and Technology Submits Chinese Patent Application for Novel Low-C Low-Cr Corrosion-resistant Pipeline Steel Plate, Preparation Method and Pipeline Ste..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Taiyuan University of Science and Technology has submitted a patent application for Novel Low-C Low-Cr Corrosion-resistant Pipeline Steel Plate, Preparation Method and Pipeline Steel Pipe. This invention was developed by Zhang Shaohua, Li Yurui, Wei Yinghui, Liu Baosheng, Hou Lifeng, Zhang Yuezhong and Wu Pengp..

Shaanxi Pulimei Material Tech Co Ltd Submits Patent Application for Device and Method for Forming Cloth Clamping Rubber Blanking Cap of Solid Rocket Engine Jet Pipe

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Shaanxi Pulimei Material Tech Co Ltd has submitted a patent application for Device and Method for Forming Cloth Clamping Rubber Blanking Cap of Solid Rocket Engine Jet Pipe. Yang Xubin, Qin Feng, Tian Haifeng, Li Long and Liu Langlang developed the invention. The patent application number is CN202511725804 2..

Changchun Equipment & Technology Research Institute and Shenyang University of Technology Apply for Patent on Working Size and Process Parameter Optimization Method for Metal Pipe ..

Pipe

| Wed 29 Apr 2026

Beijing, April 30 -- Changchun Equipment & Technology Research Institute and Shenyang University of Technology have applied Chinese patent for Working Size and Process Parameter Optimization Method for Metal Pipe Power Spinning Die. Huang Tao, Guo Yaming, Ma Xiaoliang, Ma Shuai, Guo Li, Zheng Hongwei, Zheng Wentao, Zhang Zhiyuan..

China Nat Offshore Oil Corp and Beijing Res Center CNOOC China Co Ltd Seek Patent for CO2 Pipeline Crack Arrest Toughness Prediction Method and System, Processing Equipment and Sto..

Pipe

| Wed 29 Apr 2026

Beijing, April 30 -- China Nat Offshore Oil Corp and Beijing Res Center CNOOC China Co Ltd have sought patent for CO2 Pipeline Crack Arrest Toughness Prediction Method and System, Processing Equipment and Storage Medium. This invention was developed by Yin Hanjun, Feng Xianhong, Li Yancheng, Jia Lusheng, Huang Jun, Ni Kankan, So..

National Petroleum Pipeline Network Group and National Pipe Network Group Engineering Tech Innovation Co Ltd File Chinese Patent Application for Long-period Service Pipeline Safety..

Pipe

| Thu 30 Apr 2026

Beijing, April 30 -- National Petroleum Pipeline Network Group and National Pipe Network Group Engineering Tech Innovation Co Ltd have filed a patent application for Long-period Service Pipeline Safety State Evaluation Method, Device and Equipment and Storage Medium. This invention was developed by Zuo Yong, Pang Xinfeng, Sun Li..

Jinan Energy Engineering Group and Shandong University Submit Chinese Patent Application for Supporting System for Pipe Jacking Working Well and Construction Method

Pipe

| Thu 30 Apr 2026

Beijing, April 30 -- Jinan Energy Engineering Group and Shandong University have submitted a patent application for Supporting System for Pipe Jacking Working Well and Construction Method. This invention was developed by Cao Yun, Guo Feng, Shi Chao, Kou Lei, Zhang Zongtong, Pan Fuyong, Zhao Yanpeng, Gao Tiangang and Shi Na. T..

Huaneng Qinmei Ruijin Power Generation and Special Equipment Inspection And Testing Institute Of Jiangxi Provincial Inspection And Testing Institute File Chinese Patent Application..

Pipe

| Thu 30 Apr 2026

Beijing, April 30 -- Huaneng Qinmei Ruijin Power Generation and Special Equipment Inspection And Testing Institute Of Jiangxi Provincial Inspection And Testing Institute have filed a patent application for Oxide Skin Inhibition Method of High-chromium Heat-resistant Steel for High-temperature Steam Pipeline of Boiler and Applica..

Yanshan University and Aerosun Corporation Submit Chinese Patent Application for Stainless Steel Corrugated Pipe Electric Pulse On-line Treatment Device and Method

Pipe

| Thu 30 Apr 2026

Beijing, April 30 -- Yanshan University and Aerosun Corporation have submitted a patent application for Stainless Steel Corrugated Pipe Electric Pulse On-line Treatment Device and Method. This invention was developed by Yan Meng, Wang Mengye, Liu Yong, Huang Huagui, Li Kun, Ma Yuemin, Liu Zelong, Zhu Guangsong and Xue Xiongjian...

Nanjing Dade Steel Pipe Submits Chinese Patent Application for Rotary Vibration Table

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Nanjing Dade Steel Pipe has submitted a patent application for Rotary Vibration Table. This invention was developed by Zhan Fujun. The patent application number is CN202511541993 20251027. The patent publication number is CN121179560 (A). International Patent Classification codes are B28B1/087, B28B1/20 and ..

State Intellectual Property Office of China Releases Li Qiang Patent Application for Plastic Pipe Cutting Machine with Motor Shaft Directly Connected with Transmission Roller for F..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- State Intellectual Property Office of China has released Li Qiang patent application for Plastic Pipe Cutting Machine with Motor Shaft Directly Connected with Transmission Roller for Feeding. The patent application number is CN202511582018 20251031. The patent publication number is CN121179503 (A). Internati..

State Intellectual Property Office of China Publishes Jiangsu Yuansheng High New Tech Co Ltd Patent Application for Pipe Cutting Device for Cable Protection Pipe

Pipe

| Fri 01 May 2026

Beijing, May 1 -- State Intellectual Property Office of China has published Jiangsu Yuansheng High New Tech Co Ltd patent application for Pipe Cutting Device for Cable Protection Pipe. The invention was developed by Peng Hui. The patent application number is CN202511408427 20250929. The patent publication number is CN12117949..

Dongguan Aituo Automation Equipment Co Ltd Submits Chinese Patent Application for Guide Pipe End Face Burr Girdling Machine

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Dongguan Aituo Automation Equipment Co Ltd has submitted a patent application for Guide Pipe End Face Burr Girdling Machine. This invention was developed by Li Ming. The patent application number is CN202511333492 20250918. The patent publication number is CN121179496 (A). International Patent Classification..

State Intellectual Property Office of China Releases Xi'an Orient Material Tech Co Ltd Patent Application for Composite Hose Cutting Device

Pipe

| Fri 01 May 2026

Beijing, May 1 -- State Intellectual Property Office of China has released Xi'an Orient Material Tech Co Ltd patent application for Composite Hose Cutting Device. This invention was developed by An Cui and Geng Jinhong. The patent application number is CN202511569333 20251030. The patent publication number is CN121179492 (A)...

State Intellectual Property Office of China Publishes Dezhou Luyou Traffic Facilities Co Ltd Patent Application for Steel Pipe Polishing and Rust Removing Device for Road Building ..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- State Intellectual Property Office of China has published Dezhou Luyou Traffic Facilities Co Ltd patent application for Steel Pipe Polishing and Rust Removing Device for Road Building Construction. The invention was developed by Xu Yang, Zhu Li, Fu Lujun, Li Jinjian and Zhang Huidong. The patent application ..

Shaanxi Jianyi Construction Co Ltd Seeks Patent for Method for Detecting Abnormal Behaviors of Water Conservancy Pipeline Constructors

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Shaanxi Jianyi Construction Co Ltd has sought patent for Method for Detecting Abnormal Behaviors of Water Conservancy Pipeline Constructors. This invention was developed by Sheng Xiaoxin, Zhu Yun, Guo Lei, Yuan Buxiao, Cao Jinling, Ma Zhongxian and Liang Penghui. The patent application number is CN2025117268..

CSSC Huangpu Wenchong Shipbuilding Applies for Patent on Pipe Weld Phased Array Detection Equipment Debugging Auxiliary Tool

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- CSSC Huangpu Wenchong Shipbuilding has applied Chinese patent for Pipe Weld Phased Array Detection Equipment Debugging Auxiliary Tool. Yan Xinquan, Zhang Zhenwang, Peng Lyugao, Hou Jiabao, Rao Yuxuan and Li Huabin developed it. The patent application number is CN202511189262 20250825. The patent publication nu..

Nangtong Haodi Anticorrosion Equipment Co Ltd Submits Chinese Patent Application for Polishing Device for Repairing Anti-corrosion Coating on Surface of Anti-corrosion Pipeline

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Nangtong Haodi Anticorrosion Equipment Co Ltd has submitted a patent application for Polishing Device for Repairing Anti-corrosion Coating on Surface of Anti-corrosion Pipeline. This invention was developed by Jia Qiyue, Cheng Yonghong and Wu Tengfei. The patent application number is CN202511701143 20251119...

Wuhan Jinniu Stainless Steel Pipeline Technology Seeks Patent for Auxiliary Punching Equipment for Thin-wall Stainless Steel Pipe

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Wuhan Jinniu Stainless Steel Pipeline Technology has sought patent for Auxiliary Punching Equipment for Thin-wall Stainless Steel Pipe. This invention was developed by Chen Houzhong. The patent application number is CN202511311008 20250915. The patent publication number is CN121179254 (A). International Patent..

State Intellectual Property Office of China Publishes Shanghai Dongding Steel Structure Patent Application for Auxiliary Tool Suitable for Pipe Fitting Groove Machining and Using M..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- State Intellectual Property Office of China has published Shanghai Dongding Steel Structure patent application for Auxiliary Tool Suitable for Pipe Fitting Groove Machining and Using Method. The invention was developed by Liu Mingchen, Zhuge Jia, Chen Shiji and Lei Yushuo. The patent application number is CN20..

Fujian Lutong Pipe Industry Tech Co Ltd and Quanzhou Institute of Equipment Manufacturing Submit Chinese Patent Application for Ultrasonic Online Detection System for Continuously ..

Pipe

| Thu 30 Apr 2026

Beijing, April 30 -- Fujian Lutong Pipe Industry Tech Co Ltd vQuanzhou Institute of Equipment Manufacturing have submitted a patent application for Ultrasonic Online Detection System for Continuously Winding Glass Reinforced Plastic Pipe. This invention was developed by Yong Jin-hwan, Han Jun, Zhang Na, Guo Wenzhen, Liu Yifeng, ..

Ganyeah Holding Group Co Ltd Seeks Patent for Automatic Rotary Grinding Equipment for Surface Treatment of High-precision Stainless Steel Pipe

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Ganyeah Holding Group Co Ltd has sought patent for Automatic Rotary Grinding Equipment for Surface Treatment of High-precision Stainless Steel Pipe. This invention was developed by Fan Xiaoyan, Wu Zhengyi, Luo Yuanqing, Lu Congda and Zhang Yue. The patent application number is CN202511398286 20250928. The pa..

State Intellectual Property Office of China Receives Lanzhou University Patent Application for Radial Multi-shape Sample Quick Transfer Device for Pneumatic Pipeline Transmission

Pipe

| Fri 01 May 2026

Beijing, May 1 -- State Intellectual Property Office of China has received Lanzhou University patent application for Radial Multi-shape Sample Quick Transfer Device for Pneumatic Pipeline Transmission. Wei Zheng, Li Chen and Zhang Heng developed the invention. The patent application number is CN202511723842 20251122. The patent..

State Intellectual Property Office of China Publishes Kingho Coal Chemical Inner Mongolia Kingho Group Patent Application for Control Method and System for Gas Collecting Pipe of C..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- State Intellectual Property Office of China has published Kingho Coal Chemical Inner Mongolia Kingho Group patent application for Control Method and System for Gas Collecting Pipe of Coke Oven. The invention was developed by Wang Guoyu, Hu Fengshan and Su Yanbing. The patent application number is CN20251180499..

Guangdong Zhongnan Iron and Steel Files Chinese Patent Application for Safety Early Warning Method for Automatic Opening of Water Seal Cover of Ascension Pipe of Coke Oven

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Guangdong Zhongnan Iron and Steel has filed a patent application for Safety Early Warning Method for Automatic Opening of Water Seal Cover of Ascension Pipe of Coke Oven. This invention was developed by Zhang Xian, Li Chaowen, Chen Xitong, Li Changsheng, Qiu Qiuwei, Ye Rushan, Liu Wenjiao, Zou Zhihua, Huang Con..

State Intellectual Property Office of China Receives China Three Gorges Patent Application for Method, Device and Equipment for Controlling Ultraviolet Curing Repair of Pipeline an..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- State Intellectual Property Office of China has received China Three Gorges patent application for Method, Device and Equipment for Controlling Ultraviolet Curing Repair of Pipeline and Medium. Peng Shouhai, Mi Rongxi, Li Chong, Wang Wanqiong, Zhang Chunguang, Chen Xiaolong, Wang Fuzhi and Li Weiye developed th..

Shenzhen Xinhui Shiji Tech Co Ltd Files Chinese Patent Application for Transmission Pipeline for Burying Multifunctional Optical Fiber

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Shenzhen Xinhui Shiji Tech Co Ltd has filed a patent application for Transmission Pipeline for Burying Multifunctional Optical Fiber. This invention was developed by Ling Yun, Lan Rongqing and Li Zhou. The patent application number is CN202511313567 20250915. The patent publication number is CN121186944 (A)...

Ningbo Yongchuang Testing Tech Co Ltd Submits Chinese Patent Application for Nondestructive Testing Device for Welded Joint of Metal Pipeline

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Ningbo Yongchuang Testing Tech Co Ltd has submitted a patent application for Nondestructive Testing Device for Welded Joint of Metal Pipeline. This invention was developed by Zhao Kuitang, Fu Qiang, Wang Yijun, Wang Yibo, Zhou Junwei, Zha Lifei, Xia Qiaoer and Li Guoqiang. The patent application number is CN..

State Intellectual Property Office of China Publishes Rundian Energy Science & Technology Patent Application for Phased Array Detection Device and Detection Method for Pipeline But..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- State Intellectual Property Office of China has published Rundian Energy Science & Technology patent application for Phased Array Detection Device and Detection Method for Pipeline Butt Weld. The invention was developed by Li Shiming, Zhang Shuhao, Jiang Bao, Niu Baoxian, Jin Feng, Hou Jiaxu and Wei Quanquan. ..

Central South University Seeks Patent for Preparation Method of High-strength and High-toughness Aluminum Alloy Pipe with Isotropic Mechanical Properties

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Central South University has sought patent for Preparation Method of High-strength and High-toughness Aluminum Alloy Pipe with Isotropic Mechanical Properties. This invention was developed by Ding Sheng, Li Zhaoxing, Dong Fang and Feng Jingpeng. The patent application number is CN202511763279 20251127. The pat..

Jiangxi Mofa New Material Tech Co Ltd Seeks Patent for Paper-plastic Hose Sheet, Paper-plastic Hose and Preparation Method

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Jiangxi Mofa New Material Tech Co Ltd has sought patent for Paper-plastic Hose Sheet, Paper-plastic Hose and Preparation Method. This invention was developed by Zhang Shuai. The patent application number is CN202511628364 20251107. The patent publication number is CN121179805 (A). International Patent Classi..

State Intellectual Property Office of China Receives Yanshan Xintai Yongheng Intermediate Frequency Power Equipment Co Ltd Patent Application for Compact Type Efficient Inductor fo..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- State Intellectual Property Office of China has received Yanshan Xintai Yongheng Intermediate Frequency Power Equipment Co Ltd patent application for Compact Type Efficient Inductor for Online Annealing of Steel Pipe Welding Seam. Dong Jianwu, Dong Xu and Zhu Wenhui developed the invention. The patent applic..

Dalian University of Technology Submits Chinese Patent Application for Clamping Device for Plastic Pipe Laser Welding and Working Method of Clamping Device

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Dalian University of Technology has submitted a patent application for Clamping Device for Plastic Pipe Laser Welding and Working Method of Clamping Device. This invention was developed by Ren Mingfa, Song Yanlei, Wang Qi, Ma Haichao and Wang Fuji. The patent application number is CN202511521525 20251023. The ..

Jiangsu Changbao Steel Tube Submits Chinese Patent Application for Steel Pipe Surface Grinding Device

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Jiangsu Changbao Steel Tube has submitted a patent application for Steel Pipe Surface Grinding Device. This invention was developed by Liu Guoping, Dai Zhengchun, Chen Yundong, Liu Yang and Wang Chunkai. The patent application number is CN202511577315 20251031. The patent publication number is CN121179295 (A)...

Li Guodong Seeks Patent for Metal Pipeline Machining All-in-one Machine and Machining Method Thereof

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Li Guodong has sought patent for Metal Pipeline Machining All-in-one Machine and Machining Method Thereof. The patent application number is CN202511669325 20251114. The patent publication number is CN121179223 (A). International Patent Classification codes are B23P15/00 and B23P23/04. An abstract releas..

Southwest Municipal Engineering Design & Research Institute of China and Chengdu Env Water Construction Co Ltd Submit Chinese Patent Application for Municipal Drainage Pipe Network..

Pipe

| Thu 30 Apr 2026

Beijing, April 30 -- Southwest Municipal Engineering Design & Research Institute of China and Chengdu Env Water Construction Co Ltd have submitted a patent application for Municipal Drainage Pipe Network Leakage Quantitative Evaluation Method. This invention was developed by Li Liang, Chen Lyu, Liao Jingmeng, Zhou Yanli, Wang Gu..

State Intellectual Property Office of China Publishes Anhui Communications Services Co Ltd Patent Application for Urban Underground Pipeline Disease Intelligent Identification and ..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- State Intellectual Property Office of China has published Anhui Communications Services Co Ltd patent application for Urban Underground Pipeline Disease Intelligent Identification and Prediction Method Based on Deep Learning. The invention was developed by Yao Jianqiang, Bang Gun and Huang Xi'e. The patent a..

State Intellectual Property Office of China Releases Nanzhi Chongqing Energy Tech Co Ltd Patent Application for Buried Gas Transmission Pipeline Management Method and System Based ..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- State Intellectual Property Office of China has released Nanzhi Chongqing Energy Tech Co Ltd patent application for Buried Gas Transmission Pipeline Management Method and System Based on Multi-source Sensing Digital Twinning. This invention was developed by Huang Youwei. The patent application number is CN20..

State Intellectual Property Office of China Receives Guangdong Nuclear Power Joint Venture, Suzhou Nuclear Power Research Institute and CGN Zhizao Tech Suzhou Co Ltd Patent Applica..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- State Intellectual Property Office of China has received Guangdong Nuclear Power Joint Venture, Suzhou Nuclear Power Research Institute and CGN Zhizao Tech Suzhou Co Ltd patent application for Construction Method, Device and Equipment of Industrial Pipeline Finite Element Model and Medium. Huang Xinming, Jiang ..

State Intellectual Property Office of China Publishes Hunan University of Technology Patent Application for Method and Device for Predicting Local Buckling of Buried Pipeline

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- State Intellectual Property Office of China has published Hunan University of Technology patent application for Method and Device for Predicting Local Buckling of Buried Pipeline. The invention was developed by Li Zhaochao, Zhang Qian, Zhang Zhe, Zhang Shiyi, He Min, Zheng Hui and Li You. The patent applicatio..

Hangzhou Underground Pipeline Dev Co Ltd Files Chinese Patent Application for Pipe Gallery Scene Remnant Detection Method and System Based on Visual Neural Network

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Hangzhou Underground Pipeline Dev Co Ltd has filed a patent application for Pipe Gallery Scene Remnant Detection Method and System Based on Visual Neural Network. This invention was developed by Wang Yongbing, Zhou Ziheng, Yang Juanfeng, Zhang Xinmin, Chen Xinxiang, Song Zhihuan and Wang Tao. The patent appl..

State Intellectual Property Office of China Publishes The National Natural Disaster Prevention And Control Res Institute Of Emergency Management Departmen and China Institute of Wa..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- State Intellectual Property Office of China has published The National Natural Disaster Prevention And Control Res Institute Of Emergency Management Departmen and China Institute of Water Resources and Hydropower Research patent application for Method for Evaluating Waterlogging Risk Distribution of Plain City ..

Beijing Zhong Rui Heng Science & Tech Co Ltd Submits Patent Application for Digital Twin Pipeline Model Generation System and Method

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Beijing Zhong Rui Heng Science & Tech Co Ltd has submitted a patent application for Digital Twin Pipeline Model Generation System and Method. Liu Longbao, Wang Zipeng and Zhang Shenghong developed the invention. The patent application number is CN202511734060 20251124. The patent publication number is CN1211..

Nanzhi Chongqing Energy Tech Co Ltd Applies for Patent on Digital Intelligent Analysis Method for Failure of Oil Pipe at Deflecting Section of Gas Well

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Nanzhi Chongqing Energy Tech Co Ltd has applied Chinese patent for Digital Intelligent Analysis Method for Failure of Oil Pipe at Deflecting Section of Gas Well. Huang Youwei developed it. The patent application number is CN202511409702 20250929. The patent publication number is CN121188958 (A). Internationa..

State Intellectual Property Office of China Releases Shaanxi Baoyue Surveying And Mapping Co Ltd Patent Application for Collision Detection Method for Designed Pipe Network

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- State Intellectual Property Office of China has released Shaanxi Baoyue Surveying And Mapping Co Ltd patent application for Collision Detection Method for Designed Pipe Network. This invention was developed by Shen Ming, Li Li and Qin Lei. The patent application number is CN202511314576 20250915. The patent ..

Chengdu Aircraft Industry Group Submits Chinese Patent Application for Pipe End Folding State Simulation Method and System for Aircraft Pipeline Assembly

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Chengdu Aircraft Industry Group has submitted a patent application for Pipe End Folding State Simulation Method and System for Aircraft Pipeline Assembly. This invention was developed by Zou Hangbo, Zhou Fan, Chen Zhen, Du Ya, Yang Yu, Luo Jie, Du Yujie, Tu Gaoxing, Zhang Wenting, Qin Yuqi, Bian Haiqing, Wang Q..

Southwest Petroleum University Submits Chinese Patent Application for Buried Nonmetal Pipeline Positioning Method Based on Deep Learning

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Southwest Petroleum University has submitted a patent application for Buried Nonmetal Pipeline Positioning Method Based on Deep Learning. This invention was developed by Cheng Jixiang, Wu Yulin, Ge Liang, Li Zhidan, Xiao Xiaoting, Zhao Hongying and Dong Yaoyu. The patent application number is CN202511273014 ..

State Intellectual Property Office of China Publishes Lanzhou Jiaotong University Patent Application for Monitoring Device and Monitoring Method for Welding Temperature of Hydroele..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- State Intellectual Property Office of China has published Lanzhou Jiaotong University patent application for Monitoring Device and Monitoring Method for Welding Temperature of Hydroelectric High-strength Steel Pressure Steel Pipe. The invention was developed by Li Yuwei and Li Yuanbo. The patent application nu..

State Intellectual Property Office of China Publishes Chongqing Shipping Construction Dev Group Co Ltd and Chongqing University Patent Application for Upstream Urban Drainage Netwo..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- State Intellectual Property Office of China has published Chongqing Shipping Construction Dev Group Co Ltd and Chongqing University patent application for Upstream Urban Drainage Network Pipe Water Outlet Submerging Detection Structure. The invention was developed by Liao Hailin, Wu Sifei, Chen Wenbing, Ran Xia..

Beijing Waterworks Design Co Ltd Submits Chinese Patent Application for Tap Water Pipe Network Pressure and Flow Detection Device

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Beijing Waterworks Design Co Ltd has submitted a patent application for Tap Water Pipe Network Pressure and Flow Detection Device. This invention was developed by Ma Le, Zhang Haixiang, Zhao Xin, Xiao Peng and Ren Shuangyun. The patent application number is CN202511421538 20250930. The patent publication num..

Shandong Zhonghe Land Real Estate Assessment Co Ltd Seeks Patent for Underground Pipeline Three-dimensional Deformation Quantitative Inspection Method

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Shandong Zhonghe Land Real Estate Assessment Co Ltd has sought patent for Underground Pipeline Three-dimensional Deformation Quantitative Inspection Method. This invention was developed by Li Wei and Xin Jie. The patent application number is CN202511352735 20250922. The patent publication number is CN1211852..

Anhui Changjiang Steel Co Ltd Files Chinese Patent Application for On-line Backwashing Air Cooling Tower Normal Temperature Water Distribution Pipe Process Operation Flow and Metho..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Anhui Changjiang Steel Co Ltd has filed a patent application for On-line Backwashing Air Cooling Tower Normal Temperature Water Distribution Pipe Process Operation Flow and Method. This invention was developed by Zha Tongliang, Zhou Taozhong and Gan Qiang. The patent application number is CN202511261442 2025..

Ningbo Xinrui Electronic Tech Co Ltd Applies for Patent on Anaerobic High-temperature Furnace for Processing Circuit Board Chip and Furnace Body Pipeline Control System of Anaerobi..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Ningbo Xinrui Electronic Tech Co Ltd has applied Chinese patent for Anaerobic High-temperature Furnace for Processing Circuit Board Chip and Furnace Body Pipeline Control System of Anaerobic High-temperature Furnace. Zhu Shengqiang and Liu Yuquan developed it. The patent application number is CN202511563374 ..

State Intellectual Property Office of China Releases Guangdong Meizhi Precision Manufacturing, Guangdong Meizhi Compressor and Anhui Meizhi Precision Manufacturing Patent Applicati..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- State Intellectual Property Office of China has released Guangdong Meizhi Precision Manufacturing, Guangdong Meizhi Compressor and Anhui Meizhi Precision Manufacturing patent application for Air Inlet Pipe Assembly, Compressor and Refrigeration Equipment. This invention was developed by Cheng Nanyang, Li Xuanpi..

State Intellectual Property Office of China Receives Taian Yongrui Intelligent Equipment Patent Application for Double-pipe Liquid Storage Device of Air Conditioner Compressor

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- State Intellectual Property Office of China has received Taian Yongrui Intelligent Equipment patent application for Double-pipe Liquid Storage Device of Air Conditioner Compressor. Liu Deyong developed the invention. The patent application number is CN202511514952 20251022. The patent publication number is CN1..

Cssc Qingdao Beihai Boat Co Ltd Submits Patent Application for Device for Manufacturing Glass Fiber Reinforced Plastic Flow Guide Pipe Rudder and Using Method

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Cssc Qingdao Beihai Boat Co Ltd has submitted a patent application for Device for Manufacturing Glass Fiber Reinforced Plastic Flow Guide Pipe Rudder and Using Method. Han Jie, Li Jiawei, Zhao Jianguo, Li Yingru, Wei Yizeng and Han Shoujun developed the invention. The patent application number is CN202511580..

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