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23:27:00 Wed 01 Apr 2026

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Changjiang Institute of S

(4)

China Three Gorges

(4)

Gree Electric Appliances,

(4)

Liuan Zhongcai Pipeline T

(4)

Changjiang Ecology Enviro

(3)

Chengdu Qinchuan IoT Tech

(3)

Chengxi Shipyard

(3)

China Constr 8th Engineer

(3)

Cnooc Shenzhen Ocean Engi

(3)

Dalian University of Tech

(3)

(3)

Shengde Xintai New Mat Co

(3)

Soco Machinery Zhangjiaga

(3)

Wuhan University of Techn

(3)

(2)

AECC Guiyang Engine Desig

(2)

Anhui Changjiang Steel Co

(2)

Anhui Shengchenyuan Mater

(2)

Baoji Tianlian Huitong Co

(2)

Beijing University of Tec

(2)

CCCC Third Harbour Engine

(2)

CSSC Huangpu Wenchong Shi

(2)

(2)

China First Metallurgical

(2)

China Second Metallurgy G

(2)

China Tiesiju Civil Engin

(2)

China University of Minin

(2)

Chongqing Iron & Steel

(2)

Dezhou Fulaiman Metal Tec

(2)

Fujian Pande Ming Power E

(2)

Fushun Hengtong Steel Pip

(2)

Fuzhou Planning Design &

(2)

Fuzhou Urban Construction

(2)

Guangdong Jianmei Aluminu

(2)

Guangzhou Shanhe Intellig

(2)

Guangzhou Yuanjing Safety

(2)

Harbin Institute of Techn

(2)

Hebei Longjin Pipeline Eq

(2)

Hefei Jianghang Aircraft

(2)

Hengyang Hongtao Machiner

(2)

(2)

Huaneng Qingyang Coal and

(2)

Huazhong University of Sc

(2)

Hubei Day Lam Mat Co Ltd

(2)

Hubei Wangxin Constructio

(2)

Inst Med Biology Cams

(2)

(2)

Jiangsu Dalishen Pipe Co

(2)

Jiangsu Tengsheng Pipelin

(2)

Jiangsu University of Sci

(2)

Jiangsu Yihao Plastic Ind

(2)

Jiangxi Univ Of Water Res

(2)

Jiangxi Yinli Drinking Wa

(2)

Jieyang Dingdanni Tech Co

(2)

Jinan Bodor Laser

(2)

Jinan Xintian Technology

(2)

Karamay Campus Of China U

(2)

Mcc Wukan Engineering Tec

(2)

Nanjing Dade Steel Pipe

(2)

Nanjing Sanmu Intelligent

(2)

Nanjing Univ Suzhou High

(2)

Nantong Feisi Precision T

(2)

Owens Corning Intellectua

(2)

(2)

Schowitz Environmental Te

(2)

(2)

Shandong Guowei Iron and

(2)

Shandong Warmpipes Enviro

(2)

Shanghai Installation Eng

(2)

Shanghai Qianshan Piping

(2)

Shanghai University

(2)

Shanghai Xinli Power Equi

(2)

Southwest Chongqing Alumi

(2)

Suzhou Zhongjie Auto Part

(2)

Tangshan Zhengyuan Pipe I

(2)

Tian Da Science And Tech

(2)

Tianjin Youfa Pipeline Te

(2)

(2)

Wuxi Kenke Intelligent Eq

(2)

Xi\'an Thermal Power Rese

(2)

Xi\'an University of Scie

(2)

Xian University of Archit

(2)

Xian Zhuorui Aviation Tec

(2)

Xinxing Hebei Engineering

(2)

Xinyu Iron & Steel

(2)

Yangtze River Three Gorge

(2)

Yanshan University

(2)

Zhangjiagang Chemical Mac

(2)

Zhejiang Gas & Thermoelec

(2)

Zibo Special Equipment In

(2)

(1)

A Raymond Et Cie

(1)

AECC Aviation Power

(1)

AECC Shenyang Liming Aero

(1)

Accenture Global Solution

(1)

Adaptive Pipeline Tech In

(1)

Advanced Suspension Tech

(1)

(1)

Anhui Ansu Pipe Ind Co Lt

(1)

Anhui Chengwei Fire Safet

(1)

Anhui Diandi Water Co Ltd

(1)

Anhui Fangyang Electric P

(1)

Anhui Guangsheng Pipe Ind

(1)

Anhui Haoding Metal Produ

(1)

Anhui Jinli Energy Tech D

(1)

Anhui Lingshui Tech Co Lt

(1)

Anhui Polytechnic Univers

(1)

Anhui Quansheng Chemical

(1)

Anhui Ruiyuan Pipeline Co

(1)

Anhui Ruizhi Zhonghe New

(1)

Anhui Shuangxi Medical Eq

(1)

Anhui Transportation Hold

(1)

Anhui University of Scien

(1)

Anhui Xiutong Building Ma

(1)

Anhui Yongzheng Sealing M

(1)

Ant Applied New Tech Ag

(1)

AutoNetworks Technologies

(1)

Avago Technologies Genera

(1)

(1)

BCEG Road & Bridge Constr

(1)

Baoding Shuangfan Battery

(1)

Baoding Zhonghou Construc

(1)

Baoji Ruixin Energy Equip

(1)

Baoji Top Titanium Ind Co

(1)

Baowu Teye Hangyan Tech C

(1)

Bazhou Hongyuan Petroleum

(1)

Beihang University

(1)

Beijing Composite Materia

(1)

Beijing Construction Eng

(1)

Beijing Deliheng Tech Dev

(1)

Beijing Drainage Construc

(1)

Beijing Gas Group

(1)

Beijing Gas Group Tianjin

(1)

Beijing General Municipal

(1)

Beijing Institute Space L

(1)

Beijing Institute of Mech

(1)

Beijing Jianqi Fuheng Eng

(1)

Beijing Kechuang Sansi Sc

(1)

Beijing Mech Construction

(1)

Beijing Shengxinnuo Tech

(1)

Beijing Shougang

(1)

Beijing Tianrun Construct

(1)

Beijing Timar Intelligent

(1)

Beijing University of Che

(1)

Beijing Urban Constructio

(1)

Beike Ouyuan Science & Te

(1)

Bengang Steel Plates

(1)

Binzhou Municipal Enginee

(1)

Botai Equipment Co Ltd

(1)

Bozhou Vocational & Techn

(1)

(1)

CCCC First Harbor Enginee

(1)

CCCC First Highway Engine

(1)

CCCC Fourth Harbor Engine

(1)

CCCC Second Highway Fourt

(1)

CCCC Shec First Highway E

(1)

CCCC Tianjin Dredging

(1)

CCTEG Shenyang Engineerin

(1)

CHN Energy Science and Te

(1)

CINF Engineering

(1)

CNNC Nuclear Power Operat

(1)

CNOOC China Co Ltd Hainan

(1)

CNOOC Energy Technology &

(1)

CRRC Nanjing Puzhen

(1)

CRRC Qingdao Sifang

(1)

CSCEC Strait Construction

(1)

CSSC Digital Information

(1)

Cangzhou Baidefu Pipeline

(1)

Cangzhou Youcheng Pipelin

(1)

Casic Harbin Fenghua Co L

(1)

Cccc Shec Shandong Constr

(1)

Cccc South China Traffic

(1)

Cccc-Shec Dong Meng Engin

(1)

Ccteg Shenyang Research I

(1)

Ceec Anhui Electric Power

(1)

Ceec Anhui Electric Power

(1)

Central Southern China El

(1)

Changge Yulong Hongxing P

(1)

Changjiang Jinggong Steel

(1)

Changjiang Santacc Energy

(1)

Changzhou Dingxing Electr

(1)

Changzhou Nr Electric Pow

(1)

Changzhou Shengyue Mould

(1)

Changzhou Taiming Machine

(1)

Changzhou Tianli Intellig

(1)

Changzhou Yingchen Weite

(1)

Chaoyang Heat Supply Bran

(1)

(1)

Chengdu Aircraft Industry

(1)

Chengdu Alang Tech Co Ltd

(1)

Chengdu CAIC Electronics

(1)

Chengdu Surveying Geotech

(1)

Chengdu Tianyou Zhiyun Te

(1)

China 19th Metallurgical

(1)

China 22MCC Group Corpora

(1)

China Academy Of Building

(1)

China Academy of Building

(1)

China Chengda Engineering

(1)

China Coal Research Insti

(1)

China Coal Research Insti

(1)

China Coal Special Drilli

(1)

China Communications Cons

(1)

China Communications Cons

(1)

China Constr 8th Engineer

(1)

China Gezhouba Group No 2

(1)

China Harbour Engineering

(1)

China MCC20 Group Corpora

(1)

China Machinery Cnc Tech

(1)

China Mcc5 Group Corporat

(1)

China Nat Offshore Oil Co

(1)

China Nat Offshore Oil Co

(1)

China Nat United Equipmen

(1)

China National Erzhong Gr

(1)

China National Petroleum;

(1)

China Nuclear Industry 23

(1)

China Nuclear Power Opera

(1)

China Shanxi Sijian Group

(1)

China Telecom Corp Ltd Te

(1)

China Telecom Corporation

(1)

China Telecom Digital Cit

(1)

China Three Gorges Constr

(1)

China Three Gorges Univer

(1)

China Tiesiju Civil Engin

(1)

China Unicom Henan Ind In

(1)

China University of Geosc

(1)

China University of Minin

(1)

Chine Young Co Ltd

(1)

Chinese Energy Group Suqi

(1)

Chizhou University; Anhui

(1)

Chongqing Institute Of Su

(1)

Chongqing University

(1)

Chongqing Weixing New Bui

(1)

Chongqing Xiaokang Power

(1)

Chongqing Xintong Steel P

(1)

Chongqing Yingfan Technol

(1)

Chongqing Yufang Automati

(1)

Coking Coal Cleaning Util

(1)

(1)

Dalian COSCO KHI Ship Eng

(1)

Dalian Guoji United Tech

(1)

Dalian Huarui Int Enginee

(1)

Dalian Yiduo Piping Co Lt

(1)

Danyang Tianwo Casting Co

(1)

Daoyunai Energy Saving Te

(1)

Datang Shantou New Energy

(1)

De Almeida Ferraz Danilo

(1)

Defa Machinery Jiangsu Co

(1)

Detong Construction Group

(1)

Deyang Haohua Qingping Ph

(1)

Deyang Newpeace Automatio

(1)

Diareco Energy Saving Tec

(1)

Dingbian Mingxin Petroleu

(1)

Disablement Tech And Cons

(1)

(1)

Dongfeng Motor Group

(1)

Dongguan Sunriselaser Tec

(1)

Dongguan Weiqin Electroni

(1)

Dongying Weilian Chemical

(1)

East Seal Tech Jiangsu Co

(1)

Electric Power Science Re

(1)

Era Pipe Shanghai Co Ltd

(1)

Erzhong Zhenjiang Heavy E

(1)

Fangchenggang Zhongyi Hea

(1)

Fenglong Xinxing Refriger

(1)

(1)

Foshan Anquan Energy Savi

(1)

Foshan Boyu Metal Tech Co

(1)

Foshan Huibaisheng Laser

(1)

Foshan Midea Chungho Wate

(1)

Foshan Nanhai Qifeng Stee

(1)

Foshan Shunde Haier Elect

(1)

Foshan Zhiweian Security

(1)

Fudan University

(1)

Fudan University; Shangha

(1)

Fujian Guandaxing Hardwar

(1)

Fujian Shenzhoutong New M

(1)

Fushun Sanfang Machinery

(1)

Fuxing Tech Group Co Ltd

(1)

Gansu Shining Science & T

(1)

Ganyeah Holding Group Co

(1)

Ganzhou Qilin New Mat Co

(1)

Global Ocean Eng Tianjin

(1)

Global Ocean Eng Tianjin

(1)

(1)

Gongyuan Pipeline Anhui C

(1)

Gree Electric Appliances,

(1)

Guangdong Anheng Electric

(1)

Guangdong Construction En

(1)

Guangdong Jingte Architec

(1)

Guangdong Kezheng Hydropo

(1)

Guangdong Lixing Env Desi

(1)

Guangdong Meizhou Vocatio

(1)

Guangdong Mingju New Mate

(1)

Guangdong Northwest Aviat

(1)

Guangdong Qinglong Pipes

(1)

Guangdong Tianyuan Archit

(1)

Guangdong Urban & Rural P

(1)

Guangdong Xinwang Enginee

(1)

Guangdong Zhongwei Weiton

(1)

Guangdong Zhuao Construct

(1)

Guangxi Aluminum Star Sup

(1)

Guangxi Csg New Energy Ma

(1)

Guangxi Fangchenggang Nuc

(1)

Guangxi Xiongsu Tech Deve

(1)

Guangzhou Daochen Intelli

(1)

Guangzhou Fengye Pipe Ind

(1)

Guangzhou Hua Da Jin Li E

(1)

Guangzhou Power Supply Bu

(1)

Guangzhou Ruifeng Soft Co

(1)

Guixi Futai Waterproof Te

(1)

Guizhou University

(1)

Guizhou Xishui Dingtai En

(1)

Guocheng Group Co Ltd

(1)

Guoneng Baorixile Energy

(1)

Guoneng Baotou Energy Co

(1)

Guoneng Shendong Coal Gro

(1)

Guoneng Zheneng Ningdong

(1)

Guotun Coal Mine of Linyi

(1)

Hangtianchenguang Fujian

(1)

Hangzhou Changneng Tech C

(1)

Hangzhou Chennuo New Ener

(1)

Hangzhou Gaokun Electroni

(1)

Hangzhou Jintai Plastic I

(1)

Hangzhou Rongshang Pipe I

(1)

Hangzhou Xinlu Ind Co Ltd

(1)

Hanjiang Nat Laboratory

(1)

Harbin Dongan High Prec T

(1)

Harbin Engineering Univer

(1)

Harbin Institute of Techn

(1)

Harbin Institute of Techn

(1)

Harbin Sifang Boiler Inst

(1)

Hawthorne Holdings Pty Lt

(1)

Hebei Deputai Machinery E

(1)

Hebei Guanghao Pipe Fitti

(1)

Hebei Jinao Prec Manufact

(1)

Hebei Najiang Pipeline Te

(1)

Hebei Xingjie Pipe Ind Co

(1)

Hebei Yigang Pipeline Eng

(1)

Hefei Institute Public Sa

(1)

Hefei Jianuo Intelligent

(1)

Hefei Metalforming Intell

(1)

Hefei Smarter Technology

(1)

Hefei Ziking Steel Pipe

(1)

Helmerich & Payne Technol

(1)

Henan Guoji Construction

(1)

Henan Huadong Industry Co

(1)

Henan Pingmei Shenma Poly

(1)

Henan Pingmei Shenma Rufe

(1)

Henan Provincial People\'

(1)

Henan University of Scien

(1)

Henan Xin Zhi Tong Xin En

(1)

Henan Zhonghengxin Gas Eq

(1)

Henan Zhonglian Roadsafet

(1)

Hengguang Fire Fighting T

(1)

Hengtong Ocean Eng Co Ltd

(1)

Hengyang Valin Steel Tube

(1)

Hetai Nantong Prec Machin

(1)

Hezhou Zhongshan Suawin C

(1)

Hisense (Guangdong) Kitch

(1)

Hohhot Dingcheng Video Te

(1)

Hongmu Qingdao Electromec

(1)

Hrj Prec Extrusion Machin

(1)

Huaneng Henan Zhongyuan G

(1)

Huaneng Jiuquan Power Gen

(1)

Huaneng Lanzhou Xigu Ther

(1)

Huaneng Pingliang Power G

(1)

Huaneng Shantou Haimen Po

(1)

Huaneng Suzhou Thermal Po

(1)

Huating Coal Group

(1)

Huayu Construction Group

(1)

Huayuan Jinbo Tech Co Ltd

(1)

Hubei Chizhan Constructio

(1)

Hubei Guosu New Material

(1)

Hubei Hongyi Intelligent

(1)

Hubei Liang Sheng Tai Air

(1)

Hubei Meiyada Group Co Lt

(1)

Hubei Sanjiang Space Jian

(1)

Hubei Xingrui Silicon Mat

(1)

Hubei Xingzhi Tianxia Inf

(1)

Huisheng Group Pingyuan P

(1)

Hunan Chengyou Green Buil

(1)

Hunan Guochuang Electric

(1)

Hunan Xinda Xiaoxiang Ste

(1)

Hyundai Motor Company [kr

(1)

(1)

Jari Automation Co Ltd Ch

(1)

Jiangmen Baorui Machinery

(1)

Jiangmen Cimc Digital Ene

(1)

Jiangmen Huachi Intellige

(1)

Jiangsu Changbao Steel Tu

(1)

Jiangsu Chenggui Design I

(1)

Jiangsu Chengyi Residenti

(1)

Jiangsu Chenxin Corrugate

(1)

Jiangsu Chuangxiang Ind E

(1)

Jiangsu Chunlan Machinery

(1)

Jiangsu Cuilong Prec Copp

(1)

Jiangsu Haiyang Coal Mine

(1)

Jiangsu Hongren Special G

(1)

Jiangsu Hongyi Precision

(1)

Jiangsu Huahai M & C Tech

(1)

Jiangsu Huaihai Automatic

(1)

Jiangsu Huisun Pipe Indus

(1)

Jiangsu Jietuo Valve Co L

(1)

Jiangsu Juhua Anti Corros

(1)

Jiangsu Juxin Petroleum S

(1)

Jiangsu Laihua Petroleum

(1)

Jiangsu Laisai Navigation

(1)

Jiangsu Leiting Prec New

(1)

Jiangsu Leshengyang Stain

(1)

Jiangsu Liwan Prec Tube M

(1)

Jiangsu Olang Automotive

(1)

Jiangsu Qinzhi Constructi

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Jiangsu Railway Construct

(1)

Jiangsu Runze Safety Tech

(1)

Jiangsu Shagang Institute

(1)

Jiangsu Shagang Institute

(1)

Jiangsu Shengdong Environ

(1)

Jiangsu Shipping College

(1)

Jiangsu Shuzhian Tech Co

(1)

Jiangsu Tianying Environm

(1)

Jiangsu Vocational Colleg

(1)

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(1)

Jiangsu Xuyi Equipment In

(1)

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(1)

Jiangsu Yibaijia Medical

(1)

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(1)

Jiangsu Yinyang Stainless

(1)

Jiangsu Yoryuo New Pipes

(1)

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(1)

Jiangsu Zhongyang Pipe In

(1)

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(1)

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(1)

Jiangsu Zishasu Liquor Co

(1)

Jiangxi Avonflow Hvac Tec

(1)

Jiangxi Construction & In

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Jiangxi Fengda New Buildi

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Jiangxi Guanglian Optical

(1)

Jiangxi Guosu New Mat Co

(1)

Jiangxi Haosite Auto Part

(1)

Jiangxi Jiangtong Huadong

(1)

Jiangxi Natural Gas Group

(1)

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(1)

Jiangxi Xinchao Tech Co L

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Jiangxin Coating Plastic

(1)

Jiangyin Hongye Machinery

(1)

Jiangyin Tianning Metal P

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Jianhu Yongwei Valve Dril

(1)

Jiaxing Dingshi Machinery

(1)

Jiaxing Wangdefu Insulati

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Jilin Dongsheng Tianrun T

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Jilin Huihua Pipeline Eng

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Jilin Province Safety Pro

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Jilin Rongyi Eng Pipeline

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Jilin University

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Jinan Construction Eng Su

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Jinan First Construction

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Jinan Heavy Industries Gr

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Jinghua Plastic Ind Co Lt

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Jingmen Kairun New Mat Co

(1)

Jinhua Julong Pipeline Co

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Jining Jinghao Machinery

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John Cockerill Hydrogen B

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Jubian Xinneng Anhui Co L

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K&w Tools Co Ltd

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Kylin Sanitary Technology

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Langfang Haida Petroleum

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Materials Institute of Ch

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No 719 Res Institute Chin

(1)

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(1)

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State Intellectual Property Office of China Publishes Shengde Xintai New Mat Co Ltd Patent Application for Special Tensile Test Device for Seamless Steel Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published Shengde Xintai New Mat Co Ltd patent application for Special Tensile Test Device for Seamless Steel Pipe. The invention was developed by Zhou Yixin, Zhou Wenqing, Wan Shuaishuai, Yan Wei and Tan Shuping. The patent application number is CN2025113542..

State Intellectual Property Office of China Publishes Harbin Institute of Technology Patent Application for Method and Device for Testing In-plane Tensile Mechanical Property of Pi..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published Harbin Institute of Technology patent application for Method and Device for Testing In-plane Tensile Mechanical Property of Pipe in Any Direction. The invention was developed by Cui Xiaolei, Sun Qianxi and Yuan Shijian. The patent application number i..

Jiangsu Huaihai Automatic Control Equipment Co Ltd Submits Patent Application for Flowmeter for Sewage Pipeline

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Jiangsu Huaihai Automatic Control Equipment Co Ltd has submitted a patent application for Flowmeter for Sewage Pipeline. Hua Youqin and Lei Bing developed the invention. The patent application number is CN202511283241 20250909. The patent publication number is CN120991978 (A). International Patent Classifi..

State Intellectual Property Office of China Releases Zunyi Lehui Plastic Ind Co Ltd Patent Application for Refrigerator Drain Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Zunyi Lehui Plastic Ind Co Ltd patent application for Refrigerator Drain Pipe. This invention was developed by Qin Yongxu and Ai Chenyu. The patent application number is CN202511344665 20250919. The patent publication number is CN120991537 (A). Inter..

State Intellectual Property Office of China Receives Yichun University Patent Application for Ventilation Pipeline for Laboratory Safety Management

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Yichun University patent application for Ventilation Pipeline for Laboratory Safety Management. Zhou Xiufang developed the invention. The patent application number is CN202511443131 20251010. The patent publication number is CN120991394 (A). Internatio..

State Intellectual Property Office of China Releases Shandong Hengji Electric Power Equipment Co Ltd Patent Application for Modified Mpp Power Cable Protection Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Shandong Hengji Electric Power Equipment Co Ltd patent application for Modified Mpp Power Cable Protection Pipe. This invention was developed by Sun Junxiang, Sun Xiuguo and Shi Jie. The patent application number is CN202511126778 20250812. The paten..

Wenzhou Ouke Resources Comprehensive Utilization Co Ltd Submits Chinese Patent Application for Plastic Pipeline Particle Prepared from Waste Incineration Fly Ash and Preparation Me..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Wenzhou Ouke Resources Comprehensive Utilization Co Ltd has submitted a patent application for Plastic Pipeline Particle Prepared from Waste Incineration Fly Ash and Preparation Method Thereof. This invention was developed by Zheng Shengtao, Huang Kaiwei and Wu Yongguang. The patent application number is C..

State Intellectual Property Office of China Releases Suyang Fire Fighting Equipment Baoying Co Ltd Patent Application for High-pressure-resistant Synthetic Rubber Fire Hose and Pre..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Suyang Fire Fighting Equipment Baoying Co Ltd patent application for High-pressure-resistant Synthetic Rubber Fire Hose and Preparation Method Thereof. This invention was developed by Hu Riyang. The patent application number is CN202511257798 2025090..

Zhejiang Shuaikang Electric Submits Patent Application for Branch Smoke Pipe Assembly for Smoke Exhaust of Kitchen and High-rise Building Public Flue Layout Using Same

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Zhejiang Shuaikang Electric has submitted a patent application for Branch Smoke Pipe Assembly for Smoke Exhaust of Kitchen and High-rise Building Public Flue Layout Using Same. Gao Xuyuan developed the invention. The patent application number is CN202511282146 20250909. The patent publication number is CN120..

Lianyungang Shengyuan Tech Co Ltd Applies for Patent on Composite Pipe Flue Gas Shunting Type Anti-corrosion Air Preheater and Ash Removal Device Thereof

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Lianyungang Shengyuan Tech Co Ltd has applied Chinese patent for Composite Pipe Flue Gas Shunting Type Anti-corrosion Air Preheater and Ash Removal Device Thereof. Hu Peng, Gu Junjie, Kai Panpan, Gu Jinjie, Bian Shaohan, Zhang Jianming and Gu Yaming developed it. The patent application number is CN20251122..

Shenzhen Tornado Fluid Tech Co Ltd Files Chinese Patent Application for Ejecting Pipe, Negative Pressure Air Suction Device and Method for Generating Stable Negative Pressure

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Shenzhen Tornado Fluid Tech Co Ltd has filed a patent application for Ejecting Pipe, Negative Pressure Air Suction Device and Method for Generating Stable Negative Pressure. This invention was developed by Li Tianwei and Wang Jingtao. The patent application number is CN202511446128 20251009. The patent pub..

State Intellectual Property Office of China Publishes Zhongding Hengsheng Gas Equipment (Wuhu) Patent Application for Diaphragm Compressor Pipeline System and Pulsation Suppression..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published Zhongding Hengsheng Gas Equipment (Wuhu) patent application for Diaphragm Compressor Pipeline System and Pulsation Suppression Device and Deployment Method Thereof. The invention was developed by Shikanami, Yang Xuandong, Qiu Zeyu, Wu Wenlong, Luo Keqi..

State Intellectual Property Office of China Receives Qinlang New Material Tech Lanzhou Co Ltd Patent Application for Preparation Method of Tetramethylethylenediamine Based on Amina..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Qinlang New Material Tech Lanzhou Co Ltd patent application for Preparation Method of Tetramethylethylenediamine Based on Amination Pipeline Reaction. Liang Jianzhong, Chen Zhidong, Hu Zhiqiang and Mao Xuesheng developed the invention. The patent app..

State Intellectual Property Office of China Releases Ccteg Shenyang Research Institute Patent Application for Gas Control Reserved Pipe Plugging Control System

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Ccteg Shenyang Research Institute patent application for Gas Control Reserved Pipe Plugging Control System. This invention was developed by Zhao Yueran, Sun Jialei, Han Chao, Pei Yue, Zhen Qi, Zou Yongming, Xue Weichao, Qu Xiaoming, Kang Yeonji, Ma Wenw..

State Intellectual Property Office of China Receives Jinneng Holding Equipment Mfg Group Co Ltd Sihe Coal Mine and Shanghai Meike Boring Equipment Tech Co Ltd Patent Application fo..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Jinneng Holding Equipment Mfg Group Co Ltd Sihe Coal Mine and Shanghai Meike Boring Equipment Tech Co Ltd patent application for Pipe Jacking Section Structure for Coal Roadway and Jacking Pipe. Li Gaojian, Liu Yu, Liu Lusheng, Duan Kaiyuan, Niu Jiangji..

The First Company of China 8th Engineering Bureau Seeks Patent for Laminated Slab Structure with Fire-fighting Pipeline

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- The First Company of China 8th Engineering Bureau has sought patent for Laminated Slab Structure with Fire-fighting Pipeline. This invention was developed by Li Dong, Jiang Qinggang, Shi Chunbin, Chang Tianqi, Li Yingchao, He Tao, Wang Yuanqi and Zhou Houhong. The patent application number is CN20251153979 2..

Shandong Rongling Intelligent Mfg Co Ltd Applies for Patent on Adjusting System for Industrial Crane Pipe Based on Intelligent Filling

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Shandong Rongling Intelligent Mfg Co Ltd has applied Chinese patent for Adjusting System for Industrial Crane Pipe Based on Intelligent Filling. Zhang Chuanxiu, Wang Yingqi, Kong Qingzhao and Yi Jichao developed it. The patent application number is CN202510846742 20251020. The patent publication number is ..

State Intellectual Property Office of China Publishes Nuclear Ind 243 Group Patent Application for Saline-alkali Soil Concealed Pipe Drainage System and Construction Method

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published Nuclear Ind 243 Group patent application for Saline-alkali Soil Concealed Pipe Drainage System and Construction Method. The invention was developed by Jiang Tao, Zheng Xiaorui, Chang Haibin, Yu Lei, Deng Qiaoqiao, Fang Hongpeng, Sun Hailin and Fu Yingh..

Liuan Zhongcai Pipeline Technology Applies for Patent on Trap Structure Convenient to Dredge

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Liuan Zhongcai Pipeline Technology has applied Chinese patent for Trap Structure Convenient to Dredge. Xu Yonghui, Chen Sangui and Xie Lei developed it. The patent application number is CN202511273001 20250908. The patent publication number is CN120990214 (A). International Patent Classification codes are ..

Zhongyifeng Intelligent Equipment Anhui Co Ltd Submits Chinese Patent Application for Hoisting Equipment for Micro Pipe Jacking Construction

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Zhongyifeng Intelligent Equipment Anhui Co Ltd has submitted a patent application for Hoisting Equipment for Micro Pipe Jacking Construction. This invention was developed by Zhu Fengjie, Xiong Jian, Liu Zongqin, Wang Yan and Gu Yifeng. The patent application number is CN20251169037 20250731. The patent pub..

State Intellectual Property Office of China Receives Cnooc Shenzhen Ocean Engineering Tech Services Co Ltd Patent Application for Heavy Hoisting Tool for Tail End of Deepwater Seab..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Cnooc Shenzhen Ocean Engineering Tech Services Co Ltd patent application for Heavy Hoisting Tool for Tail End of Deepwater Seabed Hose. Jiang Chuan, Zhou Jianwei, Fan Jingtao, Gao Chao, Liu Yang, Ma Qinglin, Li Xiaoyang, Qiu Haowei, Fu Qingshan and Jian..

State Intellectual Property Office of China Releases Beijing Mech Construction Group Co Ltd and Beijing Construction Eng Haiya Construction Eng Co Ltd Patent Application for Steel ..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Beijing Mech Construction Group Co Ltd and Beijing Construction Eng Haiya Construction Eng Co Ltd patent application for Steel Pipe Pile Anchor Rod Supporting Method for Ultra-deep Foundation Pit. This invention was developed by Yu Wei, Zhang Weidong, L..

State Intellectual Property Office of China Releases Beijing Timar Intelligent Control Technology and Beijing Meike Tianma Autom Sci & Tech Co Ltd Patent Application for Variable-d..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Beijing Timar Intelligent Control Technology and Beijing Meike Tianma Autom Sci & Tech Co Ltd patent application for Variable-diameter Hydraulic Pipe Winding Device and Hydraulic Pipe Winding Control Method. This invention was developed by Li Renjie, Wa..

HRJ Prec Extrusion Machinery Co Ltd Submits Chinese Patent Application for Continuous Production Pipe Material Winding Processing Method and Automatic Winding Machine

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- HRJ Prec Extrusion Machinery Co Ltd has submitted a patent application for Continuous Production Pipe Material Winding Processing Method and Automatic Winding Machine. This invention was developed by Wu Jingsong. The patent application number is CN20251102831 20250721. The patent publication number is CN12..

Zhejiang Dingbo Plumbing Mfg Co Ltd Files Chinese Patent Application for Stainless Steel Braided Hose Coiling Machine

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Zhejiang Dingbo Plumbing Mfg Co Ltd has filed a patent application for Stainless Steel Braided Hose Coiling Machine. This invention was developed by Lin Mingzhong. The patent application number is CN202511351806 20250922. The patent publication number is CN120987138 (A). International Patent Classification..

State Intellectual Property Office of China Publishes Jiangsu Chenggui Design Institute Patent Application for Concrete Pipe Pile with Prestressed Reinforcement Anti-seismic Buffer..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published Jiangsu Chenggui Design Institute patent application for Concrete Pipe Pile with Prestressed Reinforcement Anti-seismic Buffer Structure. The invention was developed by Li Zhouquan, Ding Weiqiang, Zhang Xiaowei and Xu Lingzhi. The patent application n..

Shandong Shinmada Mat Techn Co Ltd Applies for Patent on Method for Eliminating Creases of Color-coated Sheet for Downpipe

Pipe

| Tue 31 Mar 2026

Beijing, April 1 -- Shandong Shinmada Mat Techn Co Ltd has applied Chinese patent for Method for Eliminating Creases of Color-coated Sheet for Downpipe. Wei Jiaming, Ma Jinchuan, Zhu Chi, Li Xinming, Xue Jingyu, Cao Haixia, Zhao Yanlong and Wang Hongchang developed it. The patent application number is CN202511233321 20250901...

State Intellectual Property Office of China Releases Liaoning Aiweier Metal Forming Tech Co Ltd Patent Application for Production Method of High-silicon Solution Strengthening Ferr..

Pipe

| Tue 31 Mar 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Liaoning Aiweier Metal Forming Tech Co Ltd patent application for Production Method of High-silicon Solution Strengthening Ferritic Nodular Cast Iron Pipe Fitting. This invention was developed by Zhou Zhanhu, Sun Changhong, Jin Fuli, Bao Haidong, Liang ..

Hubei Sanjiang Space Jiangbei Mechanical Engineering Applies for Patent on Ablation-resistant/heat-insulating Integrated Forming Method for Spray Pipe

Pipe

| Tue 31 Mar 2026

Beijing, April 1 -- Hubei Sanjiang Space Jiangbei Mechanical Engineering has applied Chinese patent for Ablation-resistant/heat-insulating Integrated Forming Method for Spray Pipe. Zeng Jianjun, Wu Zeyu, Xiao Meng, Li Yanyang and Yi Can developed it. The patent application number is CN202510937155 20250708. The patent publicati..

Zhejiang Huafeng New Mat Co Ltd Applies for Patent on Production Method and Device of Continuous Winding Glass Reinforced Plastic Pipe with Fatigue Resistance and Chemical Resistan..

Pipe

| Tue 31 Mar 2026

Beijing, April 1 -- Zhejiang Huafeng New Mat Co Ltd has applied Chinese patent for Production Method and Device of Continuous Winding Glass Reinforced Plastic Pipe with Fatigue Resistance and Chemical Resistance. Xu Chongyu, Zhou Zhipeng, Ding Luqing, Hua Jianhong and Hu Qiangqiang developed it. The patent application number ..

Schowitz Environmental Tech Jiangsu Co Ltd Submits Chinese Patent Application for Gradient Co-extrusion Molding Control System for Multi-layer Nano-composite Reinforced Hose

Pipe

| Tue 31 Mar 2026

Beijing, April 1 -- Schowitz Environmental Tech Jiangsu Co Ltd has submitted a patent application for Gradient Co-extrusion Molding Control System for Multi-layer Nano-composite Reinforced Hose. This invention was developed by Zhu Wei. The patent application number is CN202511517444 20251023. The patent publication number is ..

Jiangxi Guosu New Mat Co Ltd Submits Chinese Patent Application for Injection Molding Device for Bubble Removing Type Plastic Pipe Connecting Piece

Pipe

| Tue 31 Mar 2026

Beijing, April 1 -- Jiangxi Guosu New Mat Co Ltd has submitted a patent application for Injection Molding Device for Bubble Removing Type Plastic Pipe Connecting Piece. This invention was developed by Li Yuming, Xie Bin and Zhong Hongquan. The patent application number is CN202511272643 20250908. The patent publication number..

State Intellectual Property Office of China Releases China First Metallurgical Group Patent Application for Prefabricated T-beam Corrugated Pipe Positioning Auxiliary Device and Us..

Pipe

| Tue 31 Mar 2026

Beijing, April 1 -- State Intellectual Property Office of China has released China First Metallurgical Group patent application for Prefabricated T-beam Corrugated Pipe Positioning Auxiliary Device and Using Method. This invention was developed by Li Qihang, Li Chuang and Bao Liming. The patent application number is CN202511688..

Jinhua Julong Pipeline Co Ltd Submits Chinese Patent Application for High-performance Reinforced Concrete Drainage Pipe Forming Device and Forming Method

Pipe

| Tue 31 Mar 2026

Beijing, April 1 -- Jinhua Julong Pipeline Co Ltd has submitted a patent application for High-performance Reinforced Concrete Drainage Pipe Forming Device and Forming Method. This invention was developed by Lei Weixiang, Shen Xiaoqing, Hu Chun, Guo Linyou, Zhao Chungen and Hu Jiandong. The patent application number is CN20251..

State Intellectual Property Office of China Receives Jilin Rongyi Eng Pipeline Co Ltd Patent Application for Multi-station Synchronous Driving Fiber Reinforced Pipe Intelligent Com..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Jilin Rongyi Eng Pipeline Co Ltd patent application for Multi-station Synchronous Driving Fiber Reinforced Pipe Intelligent Combined Machining System. Jiang Fengliang, Fan Tianyu, Shen Jianbo, Liang Guo and Wang Yanhui developed the invention. The pa..

State Intellectual Property Office of China Releases Taizhou Changli Resin Tube Patent Application for Pneumatic Clamping Type Pipe Cutting Device

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Taizhou Changli Resin Tube patent application for Pneumatic Clamping Type Pipe Cutting Device. This invention was developed by Peng Bo, Weng Jiayuan, Huang Liangliang and Sun Jie. The patent application number is CN202511526018 20251024. The patent pub..

State Intellectual Property Office of China Releases Wanmeitong Pipe Ind Hangzhou Co Ltd Patent Application for Fixed-length Cutting Device and Method for Mpp Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Wanmeitong Pipe Ind Hangzhou Co Ltd patent application for Fixed-length Cutting Device and Method for Mpp Pipe. This invention was developed by Wu Shicheng and Zhao Jiajia. The patent application number is CN202511521013 20251023. The patent publicat..

Yancheng Weilan Electronic Tech Co Ltd Submits Chinese Patent Application for Chip Packaging Pipe Cutting and Blanking Device

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Yancheng Weilan Electronic Tech Co Ltd has submitted a patent application for Chip Packaging Pipe Cutting and Blanking Device. This invention was developed by Zhu Congyi, Xu Jin, Zhou Wei, Zhong Yawei and Liu Jie. The patent application number is CN202511407508 20250929. The patent publication number is CN..

State Intellectual Property Office of China Receives Tangshan Xingbang Pipe Construction Equipment Patent Application for Intelligent Cutting Equipment for Thermal Insulation Layer..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Tangshan Xingbang Pipe Construction Equipment patent application for Intelligent Cutting Equipment for Thermal Insulation Layer of Thermal Insulation Pipe. Qiu Huawei, Hu Chunfeng, Zheng Wenwu, Xu Guangyong and Wang Shuai developed the invention. The p..

State Intellectual Property Office of China Receives Jiangxi Guanglian Optical Tech Co Ltd Patent Application for Pipe Cutting Equipment Convenient to Fix and Used for Optical Equi..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Jiangxi Guanglian Optical Tech Co Ltd patent application for Pipe Cutting Equipment Convenient to Fix and Used for Optical Equipment Machining. Shao Xiping and Xie Wei developed the invention. The patent application number is CN202511369365 20250924...

State Grid Shanghai Municipal Electrical Power and Shanghai Mingxu Intelligent Tech Co Ltd Seek Patent for Pipeline Flange Butt Joint Method Based on Multi-sensor Cooperation and S..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Grid Shanghai Municipal Electrical Power and Shanghai Mingxu Intelligent Tech Co Ltd have sought patent for Pipeline Flange Butt Joint Method Based on Multi-sensor Cooperation and Storage Medium. This invention was developed by Zhou Yaojun, Xu Xiaoming, Li Yang, Shen Zhihao and Xia Yunyong. The paten..

State Intellectual Property Office of China Receives Beijing Institute Space Launch Technology Patent Application for Automatic Butt Joint Device for Corrugated Pipes

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Beijing Institute Space Launch Technology patent application for Automatic Butt Joint Device for Corrugated Pipes. Cao Nan, Zhao Yaqing, Wang Shuai, Xiao Hui, Liu Zhuo, Xu Xuelei, Wang Huaji, Wu Mengqiang and Zou Chunying developed the invention. The p..

State Intellectual Property Office of China Receives Soco Machinery Zhangjiagang Mfg Co Ltd Patent Application for Pipe Fitting Cutting Device

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Soco Machinery Zhangjiagang Mfg Co Ltd patent application for Pipe Fitting Cutting Device. Chen Chunhua developed the invention. The patent application number is CN202511326662 20250917. The patent publication number is CN120984968 (A). International..

Jiangsu Yoryuo New Pipes Co Ltd Seeks Patent for Forming Die of Pipeline Support Hanger

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Jiangsu Yoryuo New Pipes Co Ltd has sought patent for Forming Die of Pipeline Support Hanger. This invention was developed by Gu Jinhua, Lu Yan, Xia Xiaoli, Ji Hongxiang, Bao Xiu and Zhai Xiaodong. The patent application number is CN202511517244 20251023. The patent publication number is CN120984825 (A). I..

State Intellectual Property Office of China Publishes China National Erzhong Group Deyang Wanhang Die Forging Patent Application for Integrated Forging Forming Die for Special-shap..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published China National Erzhong Group Deyang Wanhang Die Forging patent application for Integrated Forging Forming Die for Special-shaped Pipe. The invention was developed by Zhang Dezhou, Xie Xiaochuan, Xiang Wei, Mo Anjun, Cai Sen, Zhang Xin, Pu Delin, He Xin..

Wuxi Bojing Electron Co Ltd Files Chinese Patent Application for Pipe Base Raw Material Stamping Equipment

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Wuxi Bojing Electron Co Ltd has filed a patent application for Pipe Base Raw Material Stamping Equipment. This invention was developed by Li Zhiqiang. The patent application number is CN202511302815 20250912. The patent publication number is CN120984772 (A). International Patent Classification codes are B2..

State Intellectual Property Office of China Receives Nanjing Lanhao Intelligent Tech Co Ltd Patent Application for Pipe Fitting Bending Mechanism

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Nanjing Lanhao Intelligent Tech Co Ltd patent application for Pipe Fitting Bending Mechanism. Fei Xiufeng, Lan Zhoujun, Bu Hua, Ning Jiajia, Gan Daizhong and Ning Dongdong developed the invention. The patent application number is CN20251104440 202507..

State Intellectual Property Office of China Receives Guizhou Xishui Dingtai Energy Dev Co Ltd Patent Application for Flexible Copper Pipe End Portable Flaring Device for Steam Turb..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Guizhou Xishui Dingtai Energy Dev Co Ltd patent application for Flexible Copper Pipe End Portable Flaring Device for Steam Turbine Thrust Pad Temperature Measuring Point. Liao Zhanghong, Yang Futian and Jiang Yunzheng developed the invention. The pat..

Suzhou 3D Prec Metal Products Co Ltd Submits Patent Application for Stretching Pipe Cantilever Side Punching Small-batch Production Line

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Suzhou 3D Prec Metal Products Co Ltd has submitted a patent application for Stretching Pipe Cantilever Side Punching Small-batch Production Line. Chen Li, Liao Hanqiu and Zhang Yong developed the invention. The patent application number is CN202511502615 20251021. The patent publication number is CN1209847..

Dalian University of Technology Files Chinese Patent Application for Gas-liquid Mixed Medium Proportioning and Filling Device for Pressing Forming of Thin-walled Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Dalian University of Technology has filed a patent application for Gas-liquid Mixed Medium Proportioning and Filling Device for Pressing Forming of Thin-walled Pipe. This invention was developed by He Zhubin, Yuan Hang, Lin Yanli, Tian Gaoning, Chen Jingyu, Xu Yi and Qian Xixing. The patent application numbe..

State Intellectual Property Office of China Publishes Jiangxi Haosite Auto Parts Co Ltd Patent Application for Hollow Pipe Fitting Forming Device and Forming Method

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published Jiangxi Haosite Auto Parts Co Ltd patent application for Hollow Pipe Fitting Forming Device and Forming Method. The invention was developed by Liang Xiao, Xie Yuchen, Jian Dizhong, Zou Lang, Yu Nansheng and Wang Zijian. The patent application number..

State Intellectual Property Office of China Publishes Jiangyin Hongye Machinery Mfg Co Ltd Patent Application for Unit Arrangement Method of Coiled Pipe Bending Machine and Pipe Be..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published Jiangyin Hongye Machinery Mfg Co Ltd patent application for Unit Arrangement Method of Coiled Pipe Bending Machine and Pipe Bending Method. The invention was developed by Xu Yuyi. The patent application number is CN202511159144 20211028. The patent ..

Shandong Guowei Iron and Steel Seeks Patent for Online Straightening and Cutting-off Integrated Machining Device for High-frequency Welded Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Shandong Guowei Iron and Steel has sought patent for Online Straightening and Cutting-off Integrated Machining Device for High-frequency Welded Pipe. This invention was developed by Zhang Qi, Liu Bin, He Shilei and Yang Wanyu. The patent application number is CN202511147267 20250930. The patent publication n..

Zhejiang Zhongda New Materials Submits Chinese Patent Application for Production Process of Seamless Steel Pipe Special for High-temperature and High-pressure Resistant Boiler

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Zhejiang Zhongda New Materials has submitted a patent application for Production Process of Seamless Steel Pipe Special for High-temperature and High-pressure Resistant Boiler. This invention was developed by Gao Xiaohua, Huang Zhenxuan, Wan Qijun and Chen Xiaofu. The patent application number is CN202511444..

State Intellectual Property Office of China Receives Yangzhou Chengde Steel Pipe Co Ltd Patent Application for Production Equipment and Production Method of Heat-resistant Seamless..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Yangzhou Chengde Steel Pipe Co Ltd patent application for Production Equipment and Production Method of Heat-resistant Seamless Steel Pipe for Large-diameter Ultra-supercritical Unit. Zhang Huaide, Wang Rujun, Xu Yingeng, Li Jin, Chen Wei and Tan Ming d..

State Intellectual Property Office of China Publishes Zhejiang Hanhong Prec Material Co Ltd Patent Application for Stainless Steel Rod Extrusion Device for Stainless Steel Pipe Pro..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published Zhejiang Hanhong Prec Material Co Ltd patent application for Stainless Steel Rod Extrusion Device for Stainless Steel Pipe Production. The invention was developed by Li Hongyan, Zhu Weijia and Xu Jie. The patent application number is CN202511268136 ..

Jiangsu Shuzhian Tech Co Ltd Seeks Patent for Shadowless Irradiation Mechanism and Trenchless Pipeline Repair Shadowless Lamp

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Jiangsu Shuzhian Tech Co Ltd has sought patent for Shadowless Irradiation Mechanism and Trenchless Pipeline Repair Shadowless Lamp. This invention was developed by Zhu Qiquan, Chen Wei and Li Yong. The patent application number is CN202511265900 20250905. The patent publication number is CN120984528 (A). I..

State Intellectual Property Office of China Receives 5ELEM Hi-Tech Patent Application for Glue Injection System and Glue Injection Method Thereof

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received 5ELEM Hi-Tech patent application for Glue Injection System and Glue Injection Method Thereof. Schaeuwen, Wang Aiqin, Peng Fei, Gu Chundong, Qin Qingwu and Sha Yuehua developed the invention. The patent application number is CN202511526416 20251024. T..

Zhangjiagang Shazhou Intelligent Equipment Mfg Co Ltd Submits Patent Application for Spraying Device for Pressure-resistant Composite Air Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Zhangjiagang Shazhou Intelligent Equipment Mfg Co Ltd has submitted a patent application for Spraying Device for Pressure-resistant Composite Air Pipe. Gu Lei developed the invention. The patent application number is CN202511112704 20250809. The patent publication number is CN120984469 (A). International P..

University of Macau Seeks Patent for Noise Shaping Pipeline Successive Approximation Type Analog-to-digital Converter and Control Method

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- University of Macau has sought patent for Noise Shaping Pipeline Successive Approximation Type Analog-to-digital Converter and Control Method. This invention was developed by Feng Yuan, Guo Mingqiang, Ma Xuyuan and Xian Shirong. The patent application number is CN20251132481 20250725. The patent publication ..

Anhui Ruizhi Zhonghe New Energy Tech Co Ltd Seeks Patent for Multi-degree-of-freedom Adjusting Base for Photovoltaic Pipe Pile Installation

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Anhui Ruizhi Zhonghe New Energy Tech Co Ltd has sought patent for Multi-degree-of-freedom Adjusting Base for Photovoltaic Pipe Pile Installation. This invention was developed by Chu Jian, Zhang Qiang, Huang Yijia, Wang Tengfei, Xiang Siyi, Xiang Yu and Wang Chen. The patent application number is CN20251174..

State Grid Shandong Electric Power Co Shouguang Power Supply Co Submits Chinese Patent Application for Power Pipeline Cable Laying Tractor and Traction Method

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Grid Shandong Electric Power Co Shouguang Power Supply Co has submitted a patent application for Power Pipeline Cable Laying Tractor and Traction Method. This invention was developed by Sun Wenqiang, Lin Zhentao, Wang Yizhi, Guo Guangji, Sun Rui and Li Jianbo. The patent application number is CN20251..

Anhui Fangyang Electric Power Construction Submits Chinese Patent Application for Electric Power Engineering Pipeline Installation Equipment

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Anhui Fangyang Electric Power Construction has submitted a patent application for Electric Power Engineering Pipeline Installation Equipment. This invention was developed by Cinaudy, Zhang Songfei and Yuan Di. The patent application number is CN20251127250 20250724. The patent publication number is CN1209785..

Jiangsu Zhongyang Pipe Ind Co Ltd Submits Chinese Patent Application for Vacuum Composite Insulation Prefabricated Pipe Test System and Method

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Jiangsu Zhongyang Pipe Ind Co Ltd has submitted a patent application for Vacuum Composite Insulation Prefabricated Pipe Test System and Method. This invention was developed by Mao Yang and Li Dong. The patent application number is CN202511289137 20250910. The patent publication number is CN120992129 (A). I..

State Intellectual Property Office of China Receives Guangxi Fangchenggang Nuclear Power Patent Application for Device and Method for Measuring Performance of Dynamic Pressure Seal..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Guangxi Fangchenggang Nuclear Power patent application for Device and Method for Measuring Performance of Dynamic Pressure Sealing Interstage Coil Pipe of Main Pump of Nuclear Power Plant. Yang Fujiang, Ouyang Ziyi, Dong Zhikai, Zhang Zhentan, Huang Jia..

State Intellectual Property Office of China Releases Shenzhen Ampron Tech Corporation Patent Application for Automatic Drainage Structure for Internal Pipeline of Differential Pres..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Shenzhen Ampron Tech Corporation patent application for Automatic Drainage Structure for Internal Pipeline of Differential Pressure Sensor. This invention was developed by Xu Chen, Chen Siyu, Bin Qiang, Duan Dajiang and Wang Peng. The patent applicat..

State Intellectual Property Office of China Publishes Nanjing Power Supply Branch Of State Grid Jiangsu Electric Power Co Ltd; Shenyang University of Technology Patent Application ..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published Nanjing Power Supply Branch Of State Grid Jiangsu Electric Power Co Ltd; Shenyang University of Technology patent application for Simulation Experiment Device and Simulation Experiment Method for Pipeline Settlement of Three-phase Common-box Gas Insula..

Anhui Changjiang Steel Co Ltd Submits Patent Application for Backwashing Device for Normal-temperature Water Distribution Pipe of Air Cooling Tower

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Anhui Changjiang Steel Co Ltd has submitted a patent application for Backwashing Device for Normal-temperature Water Distribution Pipe of Air Cooling Tower. Zhu Lingdong, Cui Bao, Zhang Youjun, Li Mingchang and Xu Zhengguo developed the invention. The patent application number is CN202511240506 20250902. T..

Wudi Zhongcheng Heating Co Ltd Submits Chinese Patent Application for Saponification Wastewater Pipeline Cleaning Mechanism for Preheating Pure Water with Saponification Wastewater

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Wudi Zhongcheng Heating Co Ltd has submitted a patent application for Saponification Wastewater Pipeline Cleaning Mechanism for Preheating Pure Water with Saponification Wastewater. This invention was developed by Chen Xiuyong, Lu Jinhui, Zhang Jinshui, Li Weibin and Feng Kuitian. The patent application nu..

Tsinghua University Submits Chinese Patent Application for Lining Pipe Structure for Heat Exchange Device and Heat Exchange Device

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Tsinghua University has submitted a patent application for Lining Pipe Structure for Heat Exchange Device and Heat Exchange Device. This invention was developed by Luo Xiaowei, Hu Mengjia and He Sixuan. The patent application number is CN202511233767 20250829. The patent publication number is CN120991283 (A)..

State Intellectual Property Office of China Receives MCC Wukan Engineering Technology Co Ltd Patent Application for Large-burial-depth Pipeline Water Leakage Detection Method and D..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received MCC Wukan Engineering Technology Co Ltd patent application for Large-burial-depth Pipeline Water Leakage Detection Method and Device Based on Electrode Array. Lei Jiaxin, Zheng Jie, Yao Xingsheng, Zhang Wei and Yang Tao developed the invention. The p..

Guangzhou Yuanjing Safety Assessment & Detection Co Ltd Submits Patent Application for Automatic Control Method and Device for Oil and Gas Pipeline Detection, Electronic Equipment ..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Guangzhou Yuanjing Safety Assessment & Detection Co Ltd has submitted a patent application for Automatic Control Method and Device for Oil and Gas Pipeline Detection, Electronic Equipment and Storage Medium. Gao Guangbiao, Tang Wei and Zhu Jun developed the invention. The patent application number is CN202..

State Intellectual Property Office of China Receives Guangdong Kezheng Hydropower and Construction Eng Quality Inspection Co Ltd Patent Application for Pipeline Monitoring System a..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Guangdong Kezheng Hydropower and Construction Eng Quality Inspection Co Ltd patent application for Pipeline Monitoring System and Pipeline Monitoring Method. Wang Jianxue, Gao Ping, Gao Zhiwei, Chang Zhihao, Li Minhua, Huang Xiaoyan, Zhao Shuaiyin, Huan..

Tibet Jiazeming Tech Co Ltd Submits Chinese Patent Application for High and Cold Area Pipeline Temperature Monitoring System

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Tibet Jiazeming Tech Co Ltd has submitted a patent application for High and Cold Area Pipeline Temperature Monitoring System. This invention was developed by Zheng Qingfu and Zheng Zuhua. The patent application number is CN202511221631 20250829. The patent publication number is CN120991239 (A). Internation..

Yili Normal University Submits Chinese Patent Application for Spiral Hemming Type Bamboo REEL Pipe and Manufacturing Method Thereof

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Yili Normal University has submitted a patent application for Spiral Hemming Type Bamboo REEL Pipe and Manufacturing Method Thereof. This invention was developed by Zhang Jianpeng, Wang Min and Li Ling. The patent application number is CN202511389543 20250926. The patent publication number is CN120991214 (A)..

Zhejiang Shangxin Ecological Tech Co Ltd Seeks Patent for Movable Support for Pipe Network Surveying and Mapping and Using Method Thereof

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Zhejiang Shangxin Ecological Tech Co Ltd has sought patent for Movable Support for Pipe Network Surveying and Mapping and Using Method Thereof. This invention was developed by Zhang Xiuping, Hu Gensen, Wang Jianbo, Huang Chongchong and Wang Sichao. The patent application number is CN202511163631 20250820. ..

Dezhou Fulaiman Metal Tech Co Ltd Files Chinese Patent Application for High-vacuum Double-layer Heat Insulation Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Dezhou Fulaiman Metal Tech Co Ltd has filed a patent application for High-vacuum Double-layer Heat Insulation Pipe. This invention was developed by Tan Wei. The patent application number is CN202511222293 20250829. The patent publication number is CN120991176 (A). International Patent Classification codes ..

Guangdong Meizhou Vocational and Technical College Seeks Patent for Distributed Driven Pipeline Detection Robot

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Guangdong Meizhou Vocational and Technical College has sought patent for Distributed Driven Pipeline Detection Robot. This invention was developed by Deng Kaixuan, Deng Kailong, Chen Wenxun, Wan Lili and Li Bing. The patent application number is CN202511333284 20250918. The patent publication number is CN1..

Beijing Drainage Construction Co Ltd Submits Patent Application for Pipeline Repair Equipment and Pipeline Replacement System

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Beijing Drainage Construction Co Ltd has submitted a patent application for Pipeline Repair Equipment and Pipeline Replacement System. Zhao Honglei, Zhao Lixing, Liu Jiahui, Pan Lijun, Wang You, Hu Yankun, Wang Hui, Liu Mi, Li Zhao and Wang Chunhu developed the invention. The patent application number is C..

State Intellectual Property Office of China Releases Special Equipment Safety Supervision Inspection Institute of Jiangsu Province and Nanjing University of Technology Patent Appli..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Special Equipment Safety Supervision Inspection Institute of Jiangsu Province and Nanjing University of Technology patent application for Rapid Carbon Fiber Repairing and Reinforcing Device for Oil and Gas Pipeline. This invention was developed by Zhou ..

Chongqing Iron & Steel Submits Chinese Patent Application for Method for Repairing Pipeline Gap of Hot Blast Stove

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Chongqing Iron & Steel has submitted a patent application for Method for Repairing Pipeline Gap of Hot Blast Stove. This invention was developed by Jingbo Liu, Song Mingming, Tian Zhengping, Tian Guoqing, Tao Yong, Guo Zheng, Liao Changsheng, He Yijun, Ren Yan and Wang Yi. The patent application number is CN..

Zhou Pengxuan Submits Chinese Patent Application for Noise Reduction Device at Pipeline Elbow

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Zhou Pengxuan has submitted a patent application for Noise Reduction Device at Pipeline Elbow. This invention was developed by Zhou Pengxuan. The patent application number is CN202511184709 20250822. The patent publication number is CN120991165 (A). International Patent Classification codes are F15D1/04, F..

Shandong Province Water Conservancy Bureau Company Applies for Patent on Gravity Dam Construction Cooling Water Pipe and Method Based on Damaged Laminar Flow Bottom Layer

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Shandong Province Water Conservancy Bureau Company has applied Chinese patent for Gravity Dam Construction Cooling Water Pipe and Method Based on Damaged Laminar Flow Bottom Layer. Ko Kwang-tae, Tian Maozhi, Niu Xiang'an, Wang Keliang, Zhu Zhiwei, Zhang Qinchao, Zhao Haibo, Lyu Qianqian, Zhu Rulong and Song L..

Chengdu CAIC Electronics Files Chinese Patent Application for Spherical Corrugated Pipe Type Large-angle High-pressure Universal Joint

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Chengdu CAIC Electronics has filed a patent application for Spherical Corrugated Pipe Type Large-angle High-pressure Universal Joint. This invention was developed by Song Juerong, He Xinwei, Zeng Zhao'an, Liu Yuexun, Wu Chengjing, Cao Yahong, Li Jing and Wu Haojie. The patent application number is CN20251150..

Ningbo Tengyang Machinery Co Ltd Submits Chinese Patent Application for Waterproof Hose Connector Based on High-tightness Meshing Structure

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Ningbo Tengyang Machinery Co Ltd has submitted a patent application for Waterproof Hose Connector Based on High-tightness Meshing Structure. This invention was developed by Zhang Zhiyang. The patent application number is CN202511371381 20250924. The patent publication number is CN120991158 (A). Internation..

State Intellectual Property Office of China Releases Shandong Hegu Shuntian Land Dev Co Ltd and Dongying Hegu Shuntian Water And Soil Improvement Innovation Dev Co Ltd Patent Appli..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Shandong Hegu Shuntian Land Dev Co Ltd and Dongying Hegu Shuntian Water And Soil Improvement Innovation Dev Co Ltd patent application for Hidden Type Concealed Pipe Assembly for Land Governance. This invention was developed by Liu Yang, Yu Litao, Yang Y..

State Intellectual Property Office of China Releases Hangzhou Changneng Tech Co Ltd Patent Application for Anti-loosening Type Adding Pipe and Connecting Pipe Assembly

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Hangzhou Changneng Tech Co Ltd patent application for Anti-loosening Type Adding Pipe and Connecting Pipe Assembly. This invention was developed by Ye Haha. The patent application number is CN202511193550 20250825. The patent publication number is CN..

Youfumi Valve & Pipe Group Submits Chinese Patent Application for PTFE Multi-layer Composite Lining Pipe Fitting and Manufacturing Method Thereof

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Youfumi Valve & Pipe Group has submitted a patent application for PTFE Multi-layer Composite Lining Pipe Fitting and Manufacturing Method Thereof. This invention was developed by Zhu Weijian and Zhu Xiaoyou. The patent application number is CN202511211661 20250828. The patent publication number is CN12099115..

CCCC First Highway Engineering Group and Overseas Branch Of CCCC First Highway Eng Group Co Ltd Apply for Patent on Pipeline Anchoring Device

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- CCCC First Highway Engineering Group and Overseas Branch Of CCCC First Highway Eng Group Co Ltd have applied Chinese patent for Pipeline Anchoring Device. Zhao Kaifeng, Tian Mingyi, Gong Yi and Zhang Like developed it. The patent application number is CN202510982078 20250716. The patent publication number ..

State Intellectual Property Office of China Publishes Shanghai Faust Construction Technology Patent Application for Rail Transit Electromechanical Pipeline Large-span Assembly Brid..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published Shanghai Faust Construction Technology patent application for Rail Transit Electromechanical Pipeline Large-span Assembly Bridge Type Support and Hanger Structure. The invention was developed by Xiao Yang. The patent application number is CN2025113303..

Hengtong Ocean Eng Co Ltd Submits Chinese Patent Application for Seabed Oil and Gas Pipeline Butt Joint Device and Using Method

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Hengtong Ocean Eng Co Ltd has submitted a patent application for Seabed Oil and Gas Pipeline Butt Joint Device and Using Method. This invention was developed by Li Yating, Xu Zhixiang, Li Dongmin, Jiang Meng, Zhang Shuo, Meng Xinsheng, Li Hongwei, Cao Biao, Zhang Xi and Li Yingbiao. The patent application ..

Guoneng Baotou Energy Co Ltd Applies for Patent on Intelligent Pipeline Mounting Robot for Heading Face

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Guoneng Baotou Energy Co Ltd has applied Chinese patent for Intelligent Pipeline Mounting Robot for Heading Face. Zhang Xuefeng, Zhang Xu, Li Haijun, Chen Xiangji, Wang Junfeng and He Yanjun developed it. The patent application number is CN202511501881 20251021. The patent publication number is CN120991143..

Beijing Construction Eng Energy Development Co Ltd Seeks Patent for Method and System for Installing Pipeline of Air-conditioning Water Shaft Without Bottom Plate

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Beijing Construction Eng Energy Development Co Ltd has sought patent for Method and System for Installing Pipeline of Air-conditioning Water Shaft Without Bottom Plate. This invention was developed by Meng Jian, Li Zhiyong, Yang Suyun, Liang Wei, Du Ming, Zhao Delong, Wang Kaize, Zheng Yan, Wang Liqiang and S..

State Intellectual Property Office of China Receives Jiangsu Jietuo Valve Co Ltd Patent Application for Pneumatic Corrugated Pipe Valve with Support

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Jiangsu Jietuo Valve Co Ltd patent application for Pneumatic Corrugated Pipe Valve with Support. Qi Cheng developed the invention. The patent application number is CN202511449429 20251011. The patent publication number is CN120991092 (A). Internation..

Wenzhou Paikai Meite Valve Co Ltd Seeks Patent for Impact-resistant Sealing Mechanism of Valve Body and Communicating Pipe Butterfly Valve

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Wenzhou Paikai Meite Valve Co Ltd has sought patent for Impact-resistant Sealing Mechanism of Valve Body and Communicating Pipe Butterfly Valve. This invention was developed by Liu Yu, Xu Fuqiang, Liu Jiangtao, Chu Jiawei, Shen Weiguang, Zhu Dailiang, Wu Guanjin, Zhu Dashuan, Mao Hongbo and Zhang Qinghu. T..

State Intellectual Property Office of China Receives Xi'an Golden Mountain Ceram Composites Co Ltd Patent Application for Corrosion-resistant and Wear-resistant Embedded Pipeline S..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Xi'an Golden Mountain Ceram Composites Co Ltd patent application for Corrosion-resistant and Wear-resistant Embedded Pipeline Structure and Preparation Method Thereof. Zhang Jianping, Cheng Laifei, Wang Qing, Wang Peng, Fu Jiawei and Su Hailong develope..

State Intellectual Property Office of China Receives Guangzhou Shanhe Intelligent Machine Co Ltd Patent Application for Device for Extending Muddy Water Machine Tunnel Pipeline

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Guangzhou Shanhe Intelligent Machine Co Ltd patent application for Device for Extending Muddy Water Machine Tunnel Pipeline. Han Cheng, Wu Wenting, Liu Qingyu, Zhao Jinming, Yang Wei, Liang Jialuo, Peng Yaoming and Xu Jiahao developed the invention. ..

State Intellectual Property Office of China Releases Shandong Weima Equipment Tech Co Ltd Patent Application for Manufacturing Method of Anti-deformation Screen Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Shandong Weima Equipment Tech Co Ltd patent application for Manufacturing Method of Anti-deformation Screen Pipe. This invention was developed by Zhang Haichao, Ding Hui, Huang Hao, You Yanping, Li Xutong and Cheng Yangyang. The patent application nu..

State Intellectual Property Office of China Receives Ningxia Daduo Petroleum Equipment Remanufacturing Co Ltd Patent Application for Ceramic Lining Oil Pipe with High Strength

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Ningxia Daduo Petroleum Equipment Remanufacturing Co Ltd patent application for Ceramic Lining Oil Pipe with High Strength. Wang Shouze, Liang Guoqiang, Shu Yaming, Wang Xin, Su Xiuting, Huang Dewei and Lin Hailei developed the invention. The patent ..

Jianhu Yongwei Valve Drill Parts Co Ltd Submits Chinese Patent Application for Waterproof Casing Pipe for Petroleum Drilling and Lowering Equipment of Waterproof Casing Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Jianhu Yongwei Valve Drill Parts Co Ltd has submitted a patent application for Waterproof Casing Pipe for Petroleum Drilling and Lowering Equipment of Waterproof Casing Pipe. This invention was developed by Jin Xin, Jin Guolin, Jiang Junxi and Qiao Dongxiang. The patent application number is CN202511264436..

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