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22:46:54 Thu 12 Feb 2026

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Xinxing Ductile Iron Pipe

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(3)

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(3)

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(3)

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(3)

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(3)

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(3)

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(3)

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(3)

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(3)

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(3)

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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)

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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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(1)

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(1)

(1)

Ali Tech Service Shenzhen

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

China Ship Scientific Res

(1)

China Special Equipment I

(1)

(1)

China Three Gorges; Yangt

(1)

China University of Geosc

(1)

China Xiong\'an Group Sma

(1)

Chinaust Plastics Shenzhe

(1)

Chizhou Fuchang Machinery

(1)

Chongqing Hanmei Precisio

(1)

Chongqing Like Racing Tec

(1)

Chongqing Lizhi Tech Co L

(1)

Chongqing Rongda Pipe Co

(1)

Chongqing University of P

(1)

Chongqing University of S

(1)

Clp Huachuang Suzhou Powe

(1)

Cnnc 404 Chengdu Nuclear

(1)

Coldwell Thermal Tech Suz

(1)

Cosco Shipping Heavy Ind

(1)

DISH Network Technologies

(1)

Dake Valve Group Co Ltd

(1)

Dalian Haoyu Electronic T

(1)

Dalian University of Tech

(1)

Daya Sreal Heat Exchanger

(1)

Deep Sea Tech Science Tai

(1)

Delstar Tech Suzhou Co Lt

(1)

Dezhou Industrial Technol

(1)

Dongguan Huaxintai Metal

(1)

Dongguan Kailai Electroni

(1)

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(1)

Dongying East Machinery M

(1)

Dongying United Petrochem

(1)

(1)

(1)

Electric Power Science Re

(1)

Fengyang High Tech Radiat

(1)

Flexin Group S R L

(1)

Flexin Group Srl

(1)

Foshan Fangjian Group Co

(1)

Foshan Hegii Sanitaryware

(1)

Foshan Hensun Pipe Ind Co

(1)

Foshan Jianghang Machiner

(1)

Foshan Nanhai Xiejin Grin

(1)

Fudan University; Chengdu

(1)

Fujian Lien Tech Co Ltd

(1)

Fujian Longking Environme

(1)

Fujian Pande Ming Power E

(1)

Fulian Technology (Jinche

(1)

Fuliang County Guotai Fin

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

Guangdong Institute Of Sp

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Guangdong Leifuyi Window

(1)

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(1)

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Guangdong Province Commun

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(1)

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(1)

Guanglian Hangfa Shenyang

(1)

Guangxi Fangchenggang Nuc

(1)

Guangxi Wuzhou Guolong Pl

(1)

Guangzhou Construction In

(1)

Guangzhou Huijun Electric

(1)

Guangzhou Jintu Geotechni

(1)

Guangzhou Railway Polytec

(1)

Guangzhou Science City Wa

(1)

Guangzhou University

(1)

Guangzhou Urban Planning

(1)

Guangzhou Xingpei New Mat

(1)

Guangzhou Zhuojian Eng Co

(1)

Guilin University of Tech

(1)

Guizhou Aerospace Prec Pr

(1)

Guizhou Energy Industry R

(1)

Guizhou Guo Plastic Tech

(1)

Guizhou Highway Engineeri

(1)

Guizhou Longkai Tech Co L

(1)

Guizhou Power Grid

(1)

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(1)

(1)

Guoneng Yuci Thermal Powe

(1)

Guoxing Hangzhou Green De

(1)

(1)

Haikou Marine Geological

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Haiyan Shuangying Pipe Fi

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Hangjitong Shanghai Infor

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(1)

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(1)

Hangzhou Dashi Tech Co Lt

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Hangzhou Dunyuan Juxin Se

(1)

Hangzhou Gelunbu Robot Co

(1)

Hangzhou GreatStar Indust

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(1)

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Hanwei Electronics Group

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Harbin Dongan Automotive

(1)

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He Cheng Nickel Ind Co Lt

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Hebei Grande Tek Flow Con

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Hebei Laiwang Plastic Rub

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Hebei Sanye Fluid Tech Co

(1)

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(1)

Hebei Taofa Steel Pipe Mf

(1)

Hebei University of Techn

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Hebei Xiangmeng Pipeline

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Hebei Yadu Pipeline Equip

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Hebei Yingbao Children To

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Hebei Yingtuo Pipeline Eq

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Hefei University of Techn

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Hefei University of Techn

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Henan Anmiao Fire Fightin

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Henan Polytechnic Univers

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Henan Second Construction

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Hengsheng Energy Co Ltd;

(1)

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(1)

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(1)

Hit Welding Industry; Xin

(1)

Hohai University; China W

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Hongyun Honghe Tobacco (G

(1)

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(1)

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Huaxiang Xiangneng Tech C

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Huazhong University of Sc

(1)

Hubei Defeng Heat Exchang

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Hubei Fenglei Ind Co Ltd

(1)

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(1)

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Hubei Yongyue Pipe Ind Co

(1)

Huizhou Dongju Fute Tech

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Huizhou Mirui Tech Co Ltd

(1)

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Hunan University of Scien

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Inner Mongolia Guanhui St

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(1)

Ishikita Naoyuki

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(1)

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Jiangsu Gusheng Energy Co

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Jilin Jianzhu University

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State Intellectual Property Office of China Releases Zhangjiagang Free Trade Zone Henglong Steel Pipe Co Ltd Patent Application for Port Deburring Device for Finned Tube Machining

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has released Zhangjiagang Free Trade Zone Henglong Steel Pipe Co Ltd patent application for Port Deburring Device for Finned Tube Machining. This invention was developed by Xu Haifeng, Gu Jianjian, Xu Yujian and Yan Minjian. The patent application number is CN202..

Nanjing Wenjizhi Machinery Equipment Co Ltd Applies for Patent on Pipeline Inner Wall Polishing Device

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- Nanjing Wenjizhi Machinery Equipment Co Ltd has applied Chinese patent for Pipeline Inner Wall Polishing Device. Liu Wenjie, Xie Tianxiang and Zeng Jianjia developed it. The patent application number is CN202510724080 20250602. The patent publication number is CN120503076 (A). International Patent Classifi..

Harbin Dongan Automotive Engine Manufacturing and Harbin Dongan Auto Engine Submit Chinese Patent Application for Spray-type Cooling Oil Pipe for Oil-cooled Motor Stator and Coolin..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Harbin Dongan Automotive Engine Manufacturing and Harbin Dongan Auto Engine have submitted a patent application for Spray-type Cooling Oil Pipe for Oil-cooled Motor Stator and Cooling Method of Spray-type Cooling Oil Pipe. This invention was developed by Wang Chenglong, Liu Keyan, Wang Jianwu, Wang Hongmin, H..

Yangjiang Nuclear Power and China Nuclear Power Design File Chinese Patent Application for Nuclear Power Pipeline Defect On-line Monitoring System

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Yangjiang Nuclear Power and China Nuclear Power Design have filed a patent application for Nuclear Power Pipeline Defect On-line Monitoring System. This invention was developed by An Dachi, Wang Jing, Zhang Longqiang, Xia Zuguo, Li Hong, Xu Jincai, Shi Jianhui, Zhang Dayong, Zhang Qiansong, Liu Zhengping, Din..

Fuzhou University and Fuda Zijin Hydrogen Energy Tech Co Ltd Apply for Patent on Ammonia Filling System with Pipeline Ammonia Unloading and Water Curtain Spraying Functions

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Fuzhou University and Fuda Zijin Hydrogen Energy Tech Co Ltd have applied Chinese patent for Ammonia Filling System with Pipeline Ammonia Unloading and Water Curtain Spraying Functions. Teng Lin, Li Zhenchao, Jiang Lilong, Luo Yu, Chen Chongqi, Xie Bangquan and Wang Dabiao developed it. The patent applicat..

Nanning Rail Transit Construction Group Co Ltd and Nanning Baiyidaer Tech Co Ltd Apply for Patent on Adjustable Comprehensive Support for Sleeve Interval Pipeline

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Nanning Rail Transit Construction Group Co Ltd and Nanning Baiyidaer Tech Co Ltd have applied Chinese patent for Adjustable Comprehensive Support for Sleeve Interval Pipeline. Li Pan and He Fei developed it. The patent application number is CN202510915447 20250703. The patent publication number is CN120506..

Northwest Civil Aviation Airport Construction Group Co Ltd and Chang'an University Submit Chinese Patent Application for Corrugated Steel Pipe Culvert Bottom Filling Soil Compactio..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Northwest Civil Aviation Airport Construction Group Co Ltd and Chang'an University have submitted a patent application for Corrugated Steel Pipe Culvert Bottom Filling Soil Compaction Device and Compaction Method. This invention was developed by Dai Zheng, Feng Zhongju, Zhou Yuhong, Zhang Huipeng, Wang Li, Zh..

Liaoning Institute of Transport Planning and Design and Liaoning Transp Investment Co Ltd File Chinese Patent Application for Circulating Heat Supply Tunnel Fire Hydrant Pipe Netwo..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Liaoning Institute of Transport Planning and Design and Liaoning Transp Investment Co Ltd have filed a patent application for Circulating Heat Supply Tunnel Fire Hydrant Pipe Network and Using Method Thereof. This invention was developed by Dai Jun, Liu Xiaofeng, Zhang Zhiqiang, Li Shuang, Su Lianjun, Du Haix..

Beijing University of Technology and Beijing University of Civil Engineering and Architecture File Chinese Patent Application for Pipe Roofing Structure for Improving Connection St..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Beijing University of Technology and Beijing University of Civil Engineering and Architecture have filed a patent application for Pipe Roofing Structure for Improving Connection Strength of Lock Catch Pipe Roofing Joint and Construction Method. This invention was developed by Tao Lianjin, Zhu Jian, Zhang Yu, ..

Shanghai Conson Biological Tech Co Ltd and Hebei Kangchen Biological Tech Co Ltd Submit Chinese Patent Application for Efficient Food Production Pipeline Acid Detergent and Prepara..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Shanghai Conson Biological Tech Co Ltd and Hebei Kangchen Biological Tech Co Ltd have submitted a patent application for Efficient Food Production Pipeline Acid Detergent and Preparation Method Thereof. This invention was developed by Fan Yanchao and Du Haifeng. The patent application number is CN202510666..

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

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- National Petroleum Pipeline Network Group and State Petroleum Pipeline Network Group of Science and Technology Research Institute Branch have submitted a patent application for Method and Device for Calculating Attenuation Value of Oil Product Quality Index of Product Oil Pipeline. Jiang Luxin, Wang Yubin, Ya..

University of Science and Technology of China and Hefei Nat Laboratory Seek Patent for Quantum Bit Waveform Real-time Calibration System Based on Precomputation Pipeline Hybrid Arc..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- University of Science and Technology of China and Hefei Nat Laboratory have sought patent for Quantum Bit Waveform Real-time Calibration System Based on Precomputation Pipeline Hybrid Architecture. This invention was developed by Fu Tianhong, Liang Futian, Peng Wenyi, Wang Xinzhe, Guo Cheng, Liu Maliang, Zhu ..

Zhejiang University and Tianhua Architecture Design Submit Chinese Patent Application for Fire Hydrant Pipe Connecting Method Based on Dynamic Mixed Path-finding Solution Constrain..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Zhejiang University and Tianhua Architecture Design have submitted a patent application for Fire Hydrant Pipe Connecting Method Based on Dynamic Mixed Path-finding Solution Constraint. This invention was developed by Huang Changxin, Zheng Youyi, Nie Lin, Dong Shichong, Yang Fan and Tian Kaihe. The patent a..

Pinglu Canal Group Co Ltd, CRCC Harbour & Channel Engineering Bureau Group and Dalian University of Technology File Chinese Patent Application for Canal Channel Culvert Pipe Divers..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Pinglu Canal Group Co Ltd, CRCC Harbour & Channel Engineering Bureau Group and Dalian University of Technology have filed a patent application for Canal Channel Culvert Pipe Diversion Intelligent Simulation Method and System Based on Transpipemlp. This invention was developed by Wei Dejian, Fu Chengfeng, Wang..

Wuhan Xinchu Power Group Co Ltd and Bazhou Hongtong Energy Co Ltd Apply for Patent on Uwdas Pipeline Intrusion Signal Identification Method and System Based on Stacking Model Fusio..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Wuhan Xinchu Power Group Co Ltd and Bazhou Hongtong Energy Co Ltd have applied Chinese patent for Uwdas Pipeline Intrusion Signal Identification Method and System Based on Stacking Model Fusion. Xu Jindong, Xie Weijian and Wei Xiaoqiang developed it. The patent application number is CN202510639670 20250519..

ACM Res Shanghai Inc and ACM Res Lingang Inc Apply for Patent on Pipe Mount/dismount Fixture

Pipe

| Wed 11 Feb 2026

Geneva, Feb. 12 -- ACM Res Shanghai Inc and ACM Res Lingang Inc have applied WIPO patent for Pipe Mount/dismount Fixture. Yang Chaofan, Jia Shena and Zhang Dahai developed it. The patent application number is WO2025CN101333 20250617. The patent publication number is WO2026026278 (A1). International Patent Classification code ..

Hangzhou Chicheng Digital Tech Co Ltd Seeks Patent for Slab-shell Type Pipeline Supporting Piece Safety Checking and Evaluating Method for Nuclear Power Field

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Hangzhou Chicheng Digital Tech Co Ltd has sought patent for Slab-shell Type Pipeline Supporting Piece Safety Checking and Evaluating Method for Nuclear Power Field. This invention was developed by Zhang Yonggeng, Zhou Tao, Liu Zhenyu and Ji Yaohua. The patent application number is CN202510692291 20250527. ..

State Intellectual Property Office of China Releases Jiangsu Yiwei Stainless Steel Pipe Ind Co Ltd Patent Application for Circulating Water Treatment Device for Stainless Steel Pip..

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has released Jiangsu Yiwei Stainless Steel Pipe Ind Co Ltd patent application for Circulating Water Treatment Device for Stainless Steel Pipe Processing. This invention was developed by Guo Songxian. The patent application number is CN202510708356 20250529. The p..

State Intellectual Property Office of China Releases Beijing University and Tianjin Xinzhi Perception Technology Patent Application for System, Method and Equipment for Measuring F..

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has released Beijing University and Tianjin Xinzhi Perception Technology patent application for System, Method and Equipment for Measuring Flow Velocity of Fluid in Pipeline and Medium. This invention was developed by Lu Yipeng, Gao Yufeng, Yang Chong, Liang Ziyi, C..

Zhejiang Baimahu Laboratory Co Ltd Submits Patent Application for Coil Pipe Heat Exchange Structure

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Zhejiang Baimahu Laboratory Co Ltd has submitted a patent application for Coil Pipe Heat Exchange Structure. Yu Yehong, Zhou Xia, Qiu Guoyi, Liu Yutao, Li Jingfeng, Fang Kai and Sun Longlong developed the invention. The patent application number is CN202510303967 20250314. The patent publication number is ..

State Intellectual Property Office of China Receives SDIC Ceramic Based Composite Materials Res Institute Xi'an Co Ltd Patent Application for Cleaning Agent for Thin-wall Ceramic-b..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has received SDIC Ceramic Based Composite Materials Res Institute Xi'an Co Ltd patent application for Cleaning Agent for Thin-wall Ceramic-based Pipe Fitting and Preparation Method of Cleaning Agent. Wang Xing, Liu Guanghai, Zhou Rui, Wang An, Wang Yingzhi, Yan Dan ..

Jiangsu Yuansheng High New Tech Co Ltd Submits Patent Application for Winding Device for Silicon Core Pipe

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- Jiangsu Yuansheng High New Tech Co Ltd has submitted a patent application for Winding Device for Silicon Core Pipe. Peng Hui developed the invention. The patent application number is CN202510845207 20250623. The patent publication number is CN120504222 (A). International Patent Classification codes are B65..

Zhejiang Qianye Env Construction Group Co Ltd Submits Patent Application for Reinforced Concrete Cast-in-place Large-bay Pipe Core Floor Slab and Construction Technology Thereof

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Zhejiang Qianye Env Construction Group Co Ltd has submitted a patent application for Reinforced Concrete Cast-in-place Large-bay Pipe Core Floor Slab and Construction Technology Thereof. Xu Minghua, Fu Yinquan, Yan Yifei, Weng Xuefei, Yang Zhen, Wang Guoju, Mo Zhongjie, Bi Zhonglai, Zhou Junkai and Zhang Xiao..

Hubei Jiangshui Energy Saving Tech Co Ltd Seeks Patent for Building Drainage Pipeline

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Hubei Jiangshui Energy Saving Tech Co Ltd has sought patent for Building Drainage Pipeline. This invention was developed by Yang Jun, Ke Fulin and Chen Yihao. The patent application number is CN202510768498 20250610. The patent publication number is CN120506002 (A). International Patent Classification code..

State Intellectual Property Office of China Publishes Inner Mongolia Research Institute Of Shanghai Jiaotong Univ Patent Application for Metal Pipe Pulse Electromagnetic Field Assi..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has published Inner Mongolia Research Institute Of Shanghai Jiaotong Univ patent application for Metal Pipe Pulse Electromagnetic Field Assisted Stress Aging Treatment Method and Medium. The invention was developed by Li Yugang, Chen Xiang, Geng Jiwei, Xia Peikang, ..

State Intellectual Property Office of China Receives Inner Mongolia Research Institute Of Shanghai Jiaotong Univ Patent Application for Pulse Electromagnetic Field-assisted Stress ..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has received Inner Mongolia Research Institute Of Shanghai Jiaotong Univ patent application for Pulse Electromagnetic Field-assisted Stress Aging Treatment Device for Metal Pipe. Li Yugang, Chen Xiang, Geng Jiwei, Xia Peikang, Chen Dong and Wang Haowei developed the..

Hebei Yadu Pipeline Equipment Group Co Ltd Submits Chinese Patent Application for Pipe Fitting Integrated Quenching Solid Solution Heat Treatment System Based on Rail Type Forklift

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Hebei Yadu Pipeline Equipment Group Co Ltd has submitted a patent application for Pipe Fitting Integrated Quenching Solid Solution Heat Treatment System Based on Rail Type Forklift. This invention was developed by Cheng Wanlin, Zhang Zhibo, Kan Wantao, Gao Yansong, Gao Feng, Geng Liyao, Wang Bingchen, Yin She..

State Intellectual Property Office of China Publishes Xian Tpri Product Certification Testing Co Ltd Patent Application for Welding Heat Treatment Method of Precipitation Strengthe..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has published Xian Tpri Product Certification Testing Co Ltd patent application for Welding Heat Treatment Method of Precipitation Strengthening Type Nickel-iron-based High-temperature Alloy Pipe for Power Station and Application of Welding Heat Treatment Method. Th..

Zhang Peng Files Chinese Patent Application for Portable Flushing Pipe Heating and Heat Preservation Device for Urology Department

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Zhang Peng has filed a patent application for Portable Flushing Pipe Heating and Heat Preservation Device for Urology Department. This invention was developed by Zhang Peng and Li Yang. The patent application number is CN202510678354 20250526. The patent publication number is CN120501971 (A). International..

State Intellectual Property Office of China Receives Xue Mingyuan Patent Application for Communication Zc System Front-end and Back-end Data Interaction Method Based on Pipeline Se..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has received Xue Mingyuan patent application for Communication Zc System Front-end and Back-end Data Interaction Method Based on Pipeline Service. The patent application number is CN202510555111 20250429. The patent publication number is CN120499165 (A). Interna..

Qingdao Hongtongxin Copper Ind Co Ltd Seeks Patent for Phosphor Copper Pipe Continuous Disc Drawing and Diameter Reducing Machining Device and Using Method Thereof

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Qingdao Hongtongxin Copper Ind Co Ltd has sought patent for Phosphor Copper Pipe Continuous Disc Drawing and Diameter Reducing Machining Device and Using Method Thereof. This invention was developed by An Baicun and Jiang Weibin. The patent application number is CN202510796874 20250616. The patent publicat..

Jiangsu Jiulian Metallurgy Machinery Co Ltd Submits Patent Application for Guide and Guard Device of Pipe Gang Saw

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Jiangsu Jiulian Metallurgy Machinery Co Ltd has submitted a patent application for Guide and Guard Device of Pipe Gang Saw. Jiang Jianwei developed the invention. The patent application number is CN20251110169 20250722. The patent publication number is CN120502593 (A). International Patent Classification c..

State Intellectual Property Office of China Releases Qili Construction Group Co Ltd Patent Application for Pipe Jacking Working Well Shunting Synchronous Pouring Equipment and Cons..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has released Qili Construction Group Co Ltd patent application for Pipe Jacking Working Well Shunting Synchronous Pouring Equipment and Construction Method Thereof. This invention was developed by Wang Jiandong, Yan Jian, Wang Yamei, Wen Jing, Liu Dan and Chen Rongm..

Shaanxi Zhongao Changxing Ind Co Ltd Files Chinese Patent Application for Intelligent Rust Removal Equipment for Industrial Pipeline

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Shaanxi Zhongao Changxing Ind Co Ltd has filed a patent application for Intelligent Rust Removal Equipment for Industrial Pipeline. This invention was developed by Du Boyang, Fan Wei, Wang Yongsheng, Liu Xingguo, Ren Jie and Liu Jiajia. The patent application number is CN20251108356 20250722. The patent pu..

State Intellectual Property Office of China Publishes Guizhou Longkai Tech Co Ltd Patent Application for High-efficiency Paint Slag Cleaning Device for Inner Wall of Air Draft Pipe..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has published Guizhou Longkai Tech Co Ltd patent application for High-efficiency Paint Slag Cleaning Device for Inner Wall of Air Draft Pipeline of Coating Spray Booth. The invention was developed by Mu Junhua, Yang Hui, Qian Yongkang, Wan Jiachang and Li Yuanping. ..

Beijing Yineng Hydrogen Source Tech Co Ltd Files Chinese Patent Application for Nitrogen Purging and Packaging Grid Communicating Pipe Integrated System and Safe Operation Method

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Beijing Yineng Hydrogen Source Tech Co Ltd has filed a patent application for Nitrogen Purging and Packaging Grid Communicating Pipe Integrated System and Safe Operation Method. This invention was developed by He Huizi, Wang Gang, Lu Chuan, Lv Pin, Wang Fei and Zhou Yi. The patent application number is CN2..

State Intellectual Property Office of China Receives Zhongtou Tianjin Intelligent Pipeline Co Ltd Patent Application for Nodular Cast Iron Pipe Spraying Device

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has received Zhongtou Tianjin Intelligent Pipeline Co Ltd patent application for Nodular Cast Iron Pipe Spraying Device. Hao Youli, Liu Jianli, Yu Hailin, Gao Yunwen and Wang Xiaonan developed the invention. The patent application number is CN202510745755 2025060..

State Intellectual Property Office of China Releases Zhongtian Iron & Steel Group, Nantong and Zenith Steel Group Patent Application for Dry Dedusting Ash Conveying Pipeline Pressu..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has released Zhongtian Iron & Steel Group, Nantong and Zenith Steel Group patent application for Dry Dedusting Ash Conveying Pipeline Pressure Reduction Device and Method. This invention was developed by Mei Qingchun, Teng Lei, Zhang Mingguang, Huang Xianyong, Li Yu..

BGRIMM Technology Group Seeks Patent for Pipeline Dissolution Multiphase Flow Efficient Separation and Recovery Device

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- BGRIMM Technology Group has sought patent for Pipeline Dissolution Multiphase Flow Efficient Separation and Recovery Device. This invention was developed by Zhao Xu, Zhou Qifan, Liu Sanping, Wang Zihao, Zheng Chaozhen, Guo Zong and Qin Shuchen. The patent application number is CN202510662722 20250521. The ..

State Intellectual Property Office of China Publishes China Coal Research Institute and Beijing Tech Research Branch Of Tiandi Science & Tech Co Ltd Patent Application for Multi-so..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has published China Coal Research Institute and Beijing Tech Research Branch Of Tiandi Science & Tech Co Ltd patent application for Multi-source Data Fusion Underground Pipe Gallery Real-time State Dynamic Monitoring Method and System. The invention was developed by..

Zhongdian Tianwei Jinzhou Petroleum Tech and Equipment Co Ltd Files Chinese Patent Application for Multifunctional Steel Pipe Sheath Oil-submerged Pump Cable

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Zhongdian Tianwei Jinzhou Petroleum Tech and Equipment Co Ltd has filed a patent application for Multifunctional Steel Pipe Sheath Oil-submerged Pump Cable. This invention was developed by Zhang Zhi, Ni Lin and Ye Feng. The patent application number is CN202510990164 20250718. The patent publication number..

World Intellectual Property Organization Publishes China Oil & Gas Pipeline Network Corp and Pipechina Institute Of Science And Tech Patent Application for Ultrasonic Testing Metho..

Pipe

| Thu 12 Feb 2026

Geneva, Feb. 12 -- World Intellectual Property Organization has published China Oil & Gas Pipeline Network Corp and Pipechina Institute Of Science And Tech patent application for Ultrasonic Testing Method and System Applied to Joint Coating Testing, Device and Medium. The invention was developed by Wang Weibin, Gong Qingjun, Zha..

World Intellectual Property Organization Receives Ccteg Chongqing Res Institute Patent Application for Drill Pipe Mounting System

Pipe

| Wed 11 Feb 2026

Geneva, Feb. 12 -- World Intellectual Property Organization has received Ccteg Chongqing Res Institute patent application for Drill Pipe Mounting System. Chen Hang, Xin Dezhong, Liu Xiaohua, Wang Qingfeng, Wan Jun, Xiao Yuqing, Ma Zhengang, Zhang Shitao, Chen Keyu, Tang Min, Zhang Shizhai, Pu Jian, Wan Yuan, Lv Jinjun, Zhou Fuji..

Yizheng Kangshun Geotechnical Mat Co Ltd Submits Chinese Patent Application for High-density Polyethylene (hdpe) Pipe Surface Polishing Device

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- Yizheng Kangshun Geotechnical Mat Co Ltd has submitted a patent application for High-density Polyethylene (hdpe) Pipe Surface Polishing Device. This invention was developed by Li Zijia. The patent application number is CN202510553863 20250429. The patent publication number is CN120503079 (A). International..

Shanghai Mirro Metal Surface Treat Technology Co Ltd Seeks Patent for Axial Polishing Mechanism and Steel Pipe Inner Wall Polishing Machine Comprising Same

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- Shanghai Mirro Metal Surface Treat Technology Co Ltd has sought patent for Axial Polishing Mechanism and Steel Pipe Inner Wall Polishing Machine Comprising Same. This invention was developed by Wang Qi, Deng Jiaming and Li Wei. The patent application number is CN202510907936 20250702. The patent publicatio..

Jiangsu Ninghe Intelligent Transp Technology Co Ltd Submits Chinese Patent Application for Gas Pipeline Gas Leakage Detection Method and Device Based on Deep Learning

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Jiangsu Ninghe Intelligent Transp Technology Co Ltd has submitted a patent application for Gas Pipeline Gas Leakage Detection Method and Device Based on Deep Learning. This invention was developed by Zhang Kewei, Gong Lei, Rong Wenzhong, Dong Bangfa, Kang Won Ho and Zhang Jinshun. The patent application nu..

State Intellectual Property Office of China Releases China Xiong'an Group Smart Energy and State Grid Xiongan Siji Digital Tech Co Ltd Patent Application for Multi-source Data Fusi..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has released China Xiong'an Group Smart Energy and State Grid Xiongan Siji Digital Tech Co Ltd patent application for Multi-source Data Fusion Gas Pipe Network Fault Intelligent Diagnosis Method Based on Ipso-vmd-svm. This invention was developed by Feng Deng, Zhu H..

Hangzhou Gelunbu Robot Co Ltd Applies for Patent on Gas Pipe Network Defect Hidden Danger Risk Assessment Method, Electronic Equipment and Storage Medium

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Hangzhou Gelunbu Robot Co Ltd has applied Chinese patent for Gas Pipe Network Defect Hidden Danger Risk Assessment Method, Electronic Equipment and Storage Medium. Wang Zheming, Wen Peng, Bao Litao, Xu Ping, Chen Xinghua, Cao Yichao and Wang Xiaohui developed it. The patent application number is CN20251073..

Wuhan Hopetop Tech Co Ltd Submits Chinese Patent Application for Underground Pipeline Construction Supervision System and Method Based on Visual GIS Fusion

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Wuhan Hopetop Tech Co Ltd has submitted a patent application for Underground Pipeline Construction Supervision System and Method Based on Visual GIS Fusion. This invention was developed by Lei Huo, Zhou Manlin, Liu Yang, Shao Huixing and Lu Zhiwei. The patent application number is CN202510443610 20250410. ..

State Intellectual Property Office of China Releases Jiangsu Chengzhonghe Intelligent Mfg Co Ltd Patent Application for Finish Rolling Forming Anti-explosion Steel Pipe

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has released Jiangsu Chengzhonghe Intelligent Mfg Co Ltd patent application for Finish Rolling Forming Anti-explosion Steel Pipe. This invention was developed by Lu Jian and Lu Yaohong. The patent application number is CN202510990123 20250718. The patent publicat..

Shengli Oilfield North Ind Group Co Ltd Seeks Patent for Automatic Winding and Transporting Device for Glass Fiber Reinforced Plastic Pipeline

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- Shengli Oilfield North Ind Group Co Ltd has sought patent for Automatic Winding and Transporting Device for Glass Fiber Reinforced Plastic Pipeline. This invention was developed by Liu Xiaoya, Shi Xiufeng, Wei Xin, Zhou Wei, Ma Gang, Zhang Jiantang, Xue Ruitang, Zhou Huijuan, Cao Guangchao, Shao Jun, Li Jin, ..

State Intellectual Property Office of China Publishes Shanghai Yonggu Electric Mat Co Ltd Patent Application for High-altitude Pipe Bus Automatic Welding Equipment for Transformer ..

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has published Shanghai Yonggu Electric Mat Co Ltd patent application for High-altitude Pipe Bus Automatic Welding Equipment for Transformer Substation. The invention was developed by Zheng Lefei, Wang Xuewu, Li Xingqiu, Jung Hyuk, Li Xue and Huang Yibing. The pat..

State Intellectual Property Office of China Receives Jiangsu Jiajia Intelligent Equipment Tech Co Ltd Patent Application for Bending and Cutting Device and Method Based on Steel Pi..

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has received Jiangsu Jiajia Intelligent Equipment Tech Co Ltd patent application for Bending and Cutting Device and Method Based on Steel Pipe Machining. Li Dongqing, Li Jiaheng and Li Deguan developed the invention. The patent application number is CN20251059464..

State Intellectual Property Office of China Receives Hebei Yingtuo Pipeline Equipment Co Ltd Patent Application for Cutting Machining Equipment for Metal Pipe Fitting

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has received Hebei Yingtuo Pipeline Equipment Co Ltd patent application for Cutting Machining Equipment for Metal Pipe Fitting. Yin Aimin, Liu Houcai and Liang Hao developed the invention. The patent application number is CN202510799600 20250616. The patent publi..

Zhangjiagang Guoheng Equipment Co Ltd Submits Chinese Patent Application for Welding Device for Offshore Wind Power Pipe Pile

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- Zhangjiagang Guoheng Equipment Co Ltd has submitted a patent application for Welding Device for Offshore Wind Power Pipe Pile. This invention was developed by Lu Jianhu, Lu Kai, Huang Longxi and Chen Liang. The patent application number is CN202510837450 20250623. The patent publication number is CN1205030..

Suzhou Maitusi Rod Mfg Co Ltd Seeks Patent for Quick Assembly Device for Lead Screw and Jacking Pipe

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- Suzhou Maitusi Rod Mfg Co Ltd has sought patent for Quick Assembly Device for Lead Screw and Jacking Pipe. This invention was developed by Wu Yuedong, Jiang Zaohang and Cheng Yong. The patent application number is CN20251106107 20250722. The patent publication number is CN120502994 (A). International Paten..

State Intellectual Property Office of China Receives China Energy Engineering Group Zhejiang Thermal Power Construction and Zhejiang Nondestructive Testing Tech Co Ltd Patent Appli..

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has received China Energy Engineering Group Zhejiang Thermal Power Construction and Zhejiang Nondestructive Testing Tech Co Ltd patent application for Assembly System and Method for Welding Nickel-iron-chromium Alloy Thick-wall Pipeline. Liu Baoshuang, Zhang Dan, Gu..

Jiaxing Wensui Intelligent Equipment Co Ltd Submits Patent Application for Temperature-resistant, Heat-insulating and Flexible Double-layer Pipeline with Condensation-resistant Sur..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Jiaxing Wensui Intelligent Equipment Co Ltd has submitted a patent application for Temperature-resistant, Heat-insulating and Flexible Double-layer Pipeline with Condensation-resistant Surface. He Xiao'an developed the invention. The patent application number is CN202510843414 20250623. The patent publicat..

State Intellectual Property Office of China Releases Sichuan Huizheng Pipeline Tech Co Ltd Patent Application for Crack Detection Early Warning Device in High-pressure Oil and Gas ..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has released Sichuan Huizheng Pipeline Tech Co Ltd patent application for Crack Detection Early Warning Device in High-pressure Oil and Gas Pipeline. This invention was developed by Liu Deyong, Hou Peizhao and Xu Ming. The patent application number is CN202510999..

Beijing Enfi Environmental Prot Co Ltd Submits Chinese Patent Application for Conveying Pipeline for Indoor Water Supply, Drainage and Water Supply

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Beijing Enfi Environmental Prot Co Ltd has submitted a patent application for Conveying Pipeline for Indoor Water Supply, Drainage and Water Supply. This invention was developed by Yang Yonglu, Shen Wei, Peng Yongli, Xia Haixia and Ma Pengfei. The patent application number is CN202510688085 20250527. The p..

Jiangsu Guoyuan Pipe Ind Co Ltd Seeks Patent for Metal Hose with Quick Connector for Engineering Machinery

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Jiangsu Guoyuan Pipe Ind Co Ltd has sought patent for Metal Hose with Quick Connector for Engineering Machinery. This invention was developed by Shao Yanqiu, Liu Jiachen, You Qingyun and Ling Wanqian. The patent application number is CN202510914458 20250703. The patent publication number is CN120506548 (A)..

State Intellectual Property Office of China Releases Zhejiang Fulaidi Env Equipment Co Ltd Patent Application for Drainage Pipeline Structure

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has released Zhejiang Fulaidi Env Equipment Co Ltd patent application for Drainage Pipeline Structure. This invention was developed by Zhang Wenhao, Yuan Lingfeng, Zhao Quanyi, Xu Zhihua, Pang Jiahui and Wu Yuansheng. The patent application number is CN2025106826..

Yangzhong City Honghui Rubber Products Co Ltd Applies for Patent on Automobile Rubber Pipe Assembly with Anti-fracture Structure

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Yangzhong City Honghui Rubber Products Co Ltd has applied Chinese patent for Automobile Rubber Pipe Assembly with Anti-fracture Structure. Lu Jicai and Jiang Weiming developed it. The patent application number is CN202510575550 20250506. The patent publication number is CN120506546 (A). International Paten..

Suzhou Luokelai Tech Co Ltd Submits Patent Application for Flexible Pipeline Connector

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Suzhou Luokelai Tech Co Ltd has submitted a patent application for Flexible Pipeline Connector. Zhang Zheng, Pan Yong, Hu Renda, Dong Rongkun, Liu Aihui, Chen Jiamin, Wu Jia and Yang Kangkang developed the invention. The patent application number is CN20251107642 20250722. The patent publication number is ..

State Intellectual Property Office of China Receives Shanxi Aerospace Qinghua Equip Co Ltd Patent Application for Butt Joint Device for Corrugated Pipes of High-flow Water Spraying..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has received Shanxi Aerospace Qinghua Equip Co Ltd patent application for Butt Joint Device for Corrugated Pipes of High-flow Water Spraying System. Xie Ruiwen, Liu Yuhong, Yao Xiaowei, Sun Xiaofeng, Gao Quan, Xue Yangyang, Ju Kaizheng, Wang Lijuan, Zhao Yang and Li..

Shaanxi Chenghe Jingwei New Mat Co Ltd Submits Chinese Patent Application for Coating Composite Steel Pipe with Quick Connecting Assembly and Connecting Method of Coating Composite..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Shaanxi Chenghe Jingwei New Mat Co Ltd has submitted a patent application for Coating Composite Steel Pipe with Quick Connecting Assembly and Connecting Method of Coating Composite Steel Pipe. This invention was developed by Zheng Peng and Wang Kun. The patent application number is CN202510949327 20250710...

Hengshui Ruilong Tech Co Ltd Submits Chinese Patent Application for High-wear-resistance Ceramic Ring Pipeline for Coal Preparation Plant

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Hengshui Ruilong Tech Co Ltd has submitted a patent application for High-wear-resistance Ceramic Ring Pipeline for Coal Preparation Plant. This invention was developed by Li Liankai, Zhang Xinbo and Wang Xizheng. The patent application number is CN202510995156 20250718. The patent publication number is CN1..

Powerchina Ecological Env Group Co Ltd Submits Chinese Patent Application for Anti-floating and Stable Mounting Structure for HDPE (high-density Polyethylene) Pipeline in Quicksand..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Powerchina Ecological Env Group Co Ltd has submitted a patent application for Anti-floating and Stable Mounting Structure for HDPE (high-density Polyethylene) Pipeline in Quicksand Geological Environment. This invention was developed by Long Zhanghong, Li Ningkang, Gan Shendong, Yang Neng, Ye Jianxiong and Ch..

Zhonghan Fire Tech Luoyang Co Ltd Files Chinese Patent Application for Flow Control Valve of Chemical Pipeline

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Zhonghan Fire Tech Luoyang Co Ltd has filed a patent application for Flow Control Valve of Chemical Pipeline. This invention was developed by Gao Yitong, Zou Dongming, Wen Wen, Jiang Songchao, Tang Jianlou and Yue Yifeng. The patent application number is CN202510998695 20250721. The patent publication numb..

Jiangxi Qiansu Pipe Ind Co Ltd Submits Chinese Patent Application for Corrosion-resistant Krah Pipe and Preparation Method Thereof

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Jiangxi Qiansu Pipe Ind Co Ltd has submitted a patent application for Corrosion-resistant Krah Pipe and Preparation Method Thereof. This invention was developed by Li Jun and Cao Zhenjie. The patent application number is CN20251106790 20250722. The patent publication number is CN120504897 (A). Internationa..

Zhejiang Xintai Valve Tech Co Ltd Seeks Patent for Welding Machine for Stainless Steel Pipeline Fitting Machining

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- Zhejiang Xintai Valve Tech Co Ltd has sought patent for Welding Machine for Stainless Steel Pipeline Fitting Machining. This invention was developed by Yu Chengchun. The patent application number is CN202510951918 20250710. The patent publication number is CN120502962 (A). International Patent Classificati..

Jiangsu Anhui Environmental Equipment Tech Co Ltd Files Chinese Patent Application for Positioning Device for Metal Pipeline Welding

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- Jiangsu Anhui Environmental Equipment Tech Co Ltd has filed a patent application for Positioning Device for Metal Pipeline Welding. This invention was developed by Dou Yihua and Zhao Liwei. The patent application number is CN202510690534 20250527. The patent publication number is CN120502958 (A). Internati..

State Intellectual Property Office of China Publishes Shandong Tengsheng Municipal Eng Co Ltd Patent Application for Automatic Welding Mechanism for Pipeline Circumferential Welds

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has published Shandong Tengsheng Municipal Eng Co Ltd patent application for Automatic Welding Mechanism for Pipeline Circumferential Welds. The invention was developed by Li Xiaona, Lyu Aiping, Yang Xiaorui, Wu Qiuyan, Han Qi, Liu Shanshan and Yu Jiazhu. The pat..

State Intellectual Property Office of China Publishes Hebei Taofa Steel Pipe Mfg Co Ltd Patent Application for Spiral Steel Pipe Blank Joint Welding Device

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has published Hebei Taofa Steel Pipe Mfg Co Ltd patent application for Spiral Steel Pipe Blank Joint Welding Device. The invention was developed by Wang Huan, Liu Jiaying and Liu Jialun. The patent application number is CN202510840533 20250623. The patent publica..

Jiangsu Anhui Environmental Equipment Tech Co Ltd Seeks Patent for Welding Pipe Guide Seam Welding Device

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- Jiangsu Anhui Environmental Equipment Tech Co Ltd has sought patent for Welding Pipe Guide Seam Welding Device. This invention was developed by Dou Yihua and Zhao Liwei. The patent application number is CN202510690514 20250527. The patent publication number is CN120502850 (A). International Patent Classifi..

Yangzhou Zhiyu Ind Equipment Co Ltd Submits Chinese Patent Application for High-frequency Longitudinal Welded Pipe Unit with High-precision Transmission

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- Yangzhou Zhiyu Ind Equipment Co Ltd has submitted a patent application for High-frequency Longitudinal Welded Pipe Unit with High-precision Transmission. This invention was developed by Chen Yu, Chen Manyi and Chen Qing. The patent application number is CN202510758279 20250609. The patent publication numbe..

Shanghai Jiangao CNC Machine Tools Co Ltd Applies for Patent on Heavy Pneumatic Auxiliary Machine of Pipe Lathe

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- Shanghai Jiangao CNC Machine Tools Co Ltd has applied Chinese patent for Heavy Pneumatic Auxiliary Machine of Pipe Lathe. Zhang Haibing, Cheng Guosheng and Gu Ao developed it. The patent application number is CN20251121312 20250724. The patent publication number is CN120502787 (A). International Patent Cla..

Yangzhou Xinglong Plastic Co Ltd Files Chinese Patent Application for Flame-retardant Pe Communication Pipe and Preparation System Thereof

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Yangzhou Xinglong Plastic Co Ltd has filed a patent application for Flame-retardant Pe Communication Pipe and Preparation System Thereof. This invention was developed by Chen Yintong. The patent application number is CN202510726552 20250603. The patent publication number is CN120504893 (A). International P..

Suzhou West Rock Machine Tech Co Ltd Submits Chinese Patent Application for Modularized Friction Welding Machine Head Assembly with Self-adaptive Pipe Diameter Structure

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- Suzhou West Rock Machine Tech Co Ltd has submitted a patent application for Modularized Friction Welding Machine Head Assembly with Self-adaptive Pipe Diameter Structure. This invention was developed by Jiang Hongquan and Fu Jiyan. The patent application number is CN20251101531 20250721. The patent publica..

Hebei Grande Tek Flow Control Co Ltd Applies for Patent on Welding Tool and Welding Equipment for Corrugated Pipe and Valve Rod

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- Hebei Grande Tek Flow Control Co Ltd has applied Chinese patent for Welding Tool and Welding Equipment for Corrugated Pipe and Valve Rod. Zhang Congxue, Zhao Meng, Chen Minghe, Geng Qilin and Jin Kai developed it. The patent application number is CN202510767697 20250610. The patent publication number is CN..

State Intellectual Property Office of China Receives Fuzhou University Patent Application for Tapered Corrugated Pipe Spinning Forming Tool and Using Method Thereof

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has received Fuzhou University patent application for Tapered Corrugated Pipe Spinning Forming Tool and Using Method Thereof. Liao Juan and Lu Xinyang developed the invention. The patent application number is CN202510967599 20250714. The patent publication number i..

Beijing Shougang Files Chinese Patent Application for Liquid Level Detection Device, Gas Pipeline Detection Method and Device and Storage Medium

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Beijing Shougang has filed a patent application for Liquid Level Detection Device, Gas Pipeline Detection Method and Device and Storage Medium. This invention was developed by Xue Dongchen, Lu Shaojun, Fang Zhao, Cao Jiancheng, Niu Xunduo, Mao Songlin, Dai Xiaoguang, Zang Tao and Chen Xi. The patent applicat..

Chongqing University Applies for Patent on Integrated Axial Flow Pump Blade Double-pipe Heat Exchanger

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Chongqing University has applied Chinese patent for Integrated Axial Flow Pump Blade Double-pipe Heat Exchanger. Li Yiang, Cui Wenzhi, Wang Guoqiang and Shu Chuang developed it. The patent application number is CN202510692874 20250527. The patent publication number is CN120506822 (A). International Patent Cl..

Huaneng Anyuan Power Generating Submits Chinese Patent Application for Gravity Axial Heat Pipe

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Huaneng Anyuan Power Generating has submitted a patent application for Gravity Axial Heat Pipe. This invention was developed by Li Junling, Li Hui and Deng Zongquan. The patent application number is CN202510854394 20250624. The patent publication number is CN120506826 (A). International Patent Classification..

Huazhong University of Science and Technology Submits Patent Application for Automatic Shut-off Valve for Pipeline Damage and Hydraulic System

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Huazhong University of Science and Technology has submitted a patent application for Automatic Shut-off Valve for Pipeline Damage and Hydraulic System. Yang Gang, Yin Peiyi, Li Baoren, Du Jingmin, Fu Xiaoyun, Gao Longlong, Zhang Jianxing and Chu Jingrui developed the invention. The patent application number ..

State Intellectual Property Office of China Publishes CCCC Fourth Harbor Engineering Patent Application for Construction Method of Ridge-shaped Riverbed Surface Low Pile Cap Steel ..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has published CCCC Fourth Harbor Engineering patent application for Construction Method of Ridge-shaped Riverbed Surface Low Pile Cap Steel Pipe Pile Cofferdam. The invention was developed by Peng Kun, Zeng Zhaoyue, Chen Risheng, Lyu Kun, Hong Qing, Liang Lifeng, Li..

China 22MCC Group Corporation Files Chinese Patent Application for Safety Protection Air Bag Used for Wrapping Steel Pipe and Using Method of Safety Protection Air Bag

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- China 22MCC Group Corporation has filed a patent application for Safety Protection Air Bag Used for Wrapping Steel Pipe and Using Method of Safety Protection Air Bag. This invention was developed by Wang Chenglong, Li Xu, Cao Huijing, Chen Kefu, Yan Xinjian and Bian Yuepin. The patent application number is C..

Beihua University Submits Chinese Patent Application for Pneumatic Pipeline Conveyor for Metering and Subpackaging Sporoderm-broken Ganoderma Lucidum Spore Powder

Pipe

| Wed 11 Feb 2026

Beijing, Feb. 12 -- Beihua University has submitted a patent application for Pneumatic Pipeline Conveyor for Metering and Subpackaging Sporoderm-broken Ganoderma Lucidum Spore Powder. This invention was developed by Cao Linlin, Li Jianyong, Sun Yongqiang, Wang Mingxu, Li Hailian, Luo Chunyang, Tian Shuai, Hou Dongwei and Zhang Z..

Xi'an Jiaotong University Submits Patent Application for Spiral Micro-channel Cooling Pipe Combined with Impact Jet Flow

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Xi'an Jiaotong University has submitted a patent application for Spiral Micro-channel Cooling Pipe Combined with Impact Jet Flow. Lin Mei, Yan Yutong and Wang Qiuwang developed the invention. The patent application number is CN202510418736 20250403. The patent publication number is CN120499984 (A). Internati..

State Intellectual Property Office of China Publishes Chengdu Qinchuan IoT Technology Patent Application for Intelligent Gas Pipe Network Particulate Matter Safety Monitoring Metho..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has published Chengdu Qinchuan IoT Technology patent application for Intelligent Gas Pipe Network Particulate Matter Safety Monitoring Method, Internet of Things System and Medium. The invention was developed by Shao Zehua, Zhou Junyan, Lei Xueqiang and Zhang Lei. ..

Zibo Zhengda Water Conservancy Construction Submits Chinese Patent Application for Water Supply Pipeline Deformation Repairing Device

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Zibo Zhengda Water Conservancy Construction has submitted a patent application for Water Supply Pipeline Deformation Repairing Device. This invention was developed by Zhao Lintao, Zhang Douqi, Zhang Changzheng and Gao Jing. The patent application number is CN20251124580 20250724. The patent publication numbe..

Jiangsu Hengyu Pipe Industry Technology Seeks Patent for Water-hammer-effect-resistant Drain Pipe Noise Elimination System of High-temperature Steam Pipe

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Jiangsu Hengyu Pipe Industry Technology has sought patent for Water-hammer-effect-resistant Drain Pipe Noise Elimination System of High-temperature Steam Pipe. This invention was developed by Bao Jianping and Xu Yue. The patent application number is CN202510751792 20250606. The patent publication number is C..

Zhejiang Zhongcai Pipes Science & Technology Submits Chinese Patent Application for Internal Hydrophobic Self-cleaning Structure of PPR (pentatricopeptide Repeats) Pipe

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Zhejiang Zhongcai Pipes Science & Technology has submitted a patent application for Internal Hydrophobic Self-cleaning Structure of PPR (pentatricopeptide Repeats) Pipe. This invention was developed by Sun Leiqiang, Qiao Jianji and Jiang Fengli. The patent application number is CN202510625943 20250515. The p..

Changsha University of Science and Technology Files Chinese Patent Application for Fluid Soil Backfilling Lower Pipeline Anti-floating Construction Method Based on Temporary Water ..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Changsha University of Science and Technology has filed a patent application for Fluid Soil Backfilling Lower Pipeline Anti-floating Construction Method Based on Temporary Water Filling in Pipe. This invention was developed by Yu Jinhong, Zhan Jiahao, Li Yi, Shi Ying'en, Zhang Guijin, Liu Hongyue, Xu Jinfeng ..

Lianyungang Zhongfu Lianzhong Composites Group Submits Patent Application for Fiber Roller Pipe Body and Preparation Method Thereof

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Lianyungang Zhongfu Lianzhong Composites Group has submitted a patent application for Fiber Roller Pipe Body and Preparation Method Thereof. Nan Yang, Liu Yong, Zhou Songlin and Han Linhong developed the invention. The patent application number is CN202510579783 20250507. The patent publication number is CN1..

China 22MCC Group Corporation Submits Chinese Patent Application for Manufacturing Method of Arc-shaped Steel Pipe Column and Box Type Ring Beam Transfer Joint

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- China 22MCC Group Corporation has submitted a patent application for Manufacturing Method of Arc-shaped Steel Pipe Column and Box Type Ring Beam Transfer Joint. This invention was developed by Chen Yubin, Bi Qiang, Wu Zhenkun, Wang Shanshan, Xu Jianxiu, Guo Wang, Wu Peng, Xu Shengqian and Wang Jing. The pate..

State Intellectual Property Office of China Receives Xuancheng Pinzhou Clean Technology Patent Application for Electric Throwing and Cleaning All-in-one Machine for Pipeline

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- State Intellectual Property Office of China has received Xuancheng Pinzhou Clean Technology patent application for Electric Throwing and Cleaning All-in-one Machine for Pipeline. Xu Xianliu, Ding Hongxin and Tao Ran developed the invention. The patent application number is CN202510753670 20250606. The patent..

Powerchina Zhongnan Engineering Applies for Patent on Low-concentration High-water-level Drainage Pipeline Treatment Method

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Powerchina Zhongnan Engineering has applied Chinese patent for Low-concentration High-water-level Drainage Pipeline Treatment Method. Li Jirui, Peng Junhui, Liu Liang, Yu Lihong, Cao Furen and Tan Yanzhong developed it. The patent application number is CN202510461107 20250414. The patent publication number i..

Beijing Shoukong Construction Engineering Files Chinese Patent Application for Municipal Rain Sewage Prefabricated Well Chamber and Well Chamber Pipe Orifice Plugging Construction ..

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Beijing Shoukong Construction Engineering has filed a patent application for Municipal Rain Sewage Prefabricated Well Chamber and Well Chamber Pipe Orifice Plugging Construction Method. This invention was developed by Ma Jian, Liu Jian, Sun Boming, Agula and Wang Shengli. The patent application number is CN2..

Changjiang Ecology Environmental Protection Group Applies for Patent on Pipe Jacking Working Well Reverse Building Method Construction Device and Method

Pipe

| Thu 12 Feb 2026

Beijing, Feb. 12 -- Changjiang Ecology Environmental Protection Group has applied Chinese patent for Pipe Jacking Working Well Reverse Building Method Construction Device and Method. Chen Hailin, Ren Xinkai, Liu Yang, Zhu Qing, Li Xiaofeng and Liao Qiming developed it. The patent application number is CN202510893854 20250630. T..

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