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14:25:21 Fri 29 May 2026

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(1)

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(1)

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(1)

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State Intellectual Property Office of China Publishes State Grid Xinyuan Company Ltd, East China Dev Construction Branch State Grid Xinyuan Holdings Co Ltd and Zhejiang Taishun Pum..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has published State Grid Xinyuan Company Ltd, East China Dev Construction Branch State Grid Xinyuan Holdings Co Ltd and Zhejiang Taishun Pumped Storage Co Ltd patent application for Steel Pipe Arch Rib High-altitude Girth Welding Construction Method. The invention wa..

China Resources Power Hubei Submits Chinese Patent Application for Dense-thin Separation Device

Pipe

| Thu 28 May 2026

Beijing, May 29 -- China Resources Power Hubei has submitted a patent application for Dense-thin Separation Device. This invention was developed by Yin Zhao, Zhang Kailiang, Yang Dong, Zhong Jiasheng, Li Qiang, Li Zhen and Zhang Liyu. The patent application number is CN202511877614 20251212. The patent publication number is C..

Guangdong Ocean University and Guangdong Corrosion Science and Technology Innovation Research Institute Apply for Patent on Hydrogen Conveying Pipeline Fatigue Acceleration Experim..

Pipe

| Fri 29 May 2026

Beijing, May 29 -- Guangdong Ocean University and Guangdong Corrosion Science and Technology Innovation Research Institute have applied Chinese patent for Hydrogen Conveying Pipeline Fatigue Acceleration Experiment Method and System Based on Intelligent Feedback Regulation and Control. Tian Yuwan, Wen Cheng, Wu Danmei, Diao Yupe..

National Petroleum Pipeline Network Group and State Petroleum Pipeline Network Group of Science and Technology Research Institute Branch Seek Patent for Star Polymer and Preparatio..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- National Petroleum Pipeline Network Group and State Petroleum Pipeline Network Group of Science and Technology Research Institute Branch have sought patent for Star Polymer and Preparation Method Thereof, Drag Reducer and Natural Gas Conveying Pipeline. This invention was developed by Shui Biyuan, Zhang Tianti..

Dongguan Lixun Technology and Lixun Heat Transfer Tech Huizhou Co Ltd Seek Patent for Heat Pipe and Processing Method Thereof

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Dongguan Lixun Technology and Lixun Heat Transfer Tech Huizhou Co Ltd have sought patent for Heat Pipe and Processing Method Thereof. This invention was developed by Zheng Panpan. The patent application number is CN202511621775 20251106. The patent publication number is CN121452855 (A). International Patent..

Beijing Xinyuan Zhicheng Tech Development Co Ltd and Guizhou Tianyu Hangran Tech Co Ltd Submit Chinese Patent Application for High-temperature and High-pressure Air Conveying Strai..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Beijing Xinyuan Zhicheng Tech Development Co Ltd and Guizhou Tianyu Hangran Tech Co Ltd have submitted a patent application for High-temperature and High-pressure Air Conveying Straight Pipeline for Combustion Tester of Gas Turbine. This invention was developed by Jiang Xiangyu, Jiang Haotian, Ren Nan, Jiang X..

China Nat Offshore Oil Corp and Cnooc Res Inst Co Ltd Submit Chinese Patent Application for Water Attack Pressure Relief Protection Device and Method Based on Original Submarine Pi..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- China Nat Offshore Oil Corp and Cnooc Res Inst Co Ltd have submitted a patent application for Water Attack Pressure Relief Protection Device and Method Based on Original Submarine Pipeline Old System. This invention was developed by Zhang Yi, Li Xianlin, Fu Dianfu, Zhou Xuejun, Cui Yuehong, Li Meng, Li Pengche..

CCCC Third Harbour Engineering and China Nat Mineral Resources Group Zhoushan Development Co Ltd Submit Chinese Patent Application for Large-span Space Pipe Truss Construction Tech..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- CCCC Third Harbour Engineering and China Nat Mineral Resources Group Zhoushan Development Co Ltd have submitted a patent application for Large-span Space Pipe Truss Construction Technology Under Open Sea Condition. This invention was developed by Liu Qing, Zhang Xiongzhuang, Bi Dongyu, Zong Yang, Gao Yanchao, ..

CCFEB Civil Engineering and GuangXi University Seek Patent for Gravel Soil Layer Anti-floating Pipe Pile Structure and Construction Method Thereof

Pipe

| Thu 28 May 2026

Beijing, May 29 -- CCFEB Civil Engineering and GuangXi University have sought patent for Gravel Soil Layer Anti-floating Pipe Pile Structure and Construction Method Thereof. This invention was developed by Yang Mingfei, Zhang Tao, Liu Pengfei, Liu Yi, Yan Li'e, Zeng Jiazhen, Zhou Mingrui, Zheng Yizhou, Ning Can, Chen Weixin, Luo..

China Nat Offshore Oil Corp, Offshore Oil Engineering and Shanghai Yannuo Industrial Tech Co Ltd Apply for Patent on Telescopic Pipeline Welding Preheating Device

Pipe

| Thu 28 May 2026

Beijing, May 29 -- China Nat Offshore Oil Corp, Offshore Oil Engineering and Shanghai Yannuo Industrial Tech Co Ltd have applied Chinese patent for Telescopic Pipeline Welding Preheating Device. Xu Wei, Liang Jie, Wang Wei, Chen Xin, Li Haiyang, Li Weifeng, Wang Hongliang, Yang Hexin, Liu Chenlong, Wang Xuanxuan and Yin Kaihua ..

Cfhi Dalian Nuclear Power Petrochemical Co Ltd and China First Heavy Industries Submit Patent Application for Pipe Connecting Construction Method of Pool Type Sodium-cooled Fast Re..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Cfhi Dalian Nuclear Power Petrochemical Co Ltd and China First Heavy Industries have submitted a patent application for Pipe Connecting Construction Method of Pool Type Sodium-cooled Fast Reactor and Welding Assistive Device. Zhou Yanlin, Pang Shulai, Li Xinhua, Luo Shaoguo, Wang Bin and Du Shoutao developed t..

Jiangsu Dasheng Thermal Shrinking Prot Articles Co Ltd and Jiangsu Dasheng Heat Shrinkable Mat Co Ltd Apply for Patent on Reactor and Method for Preparing Polyethylene Anti-corrosi..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Jiangsu Dasheng Thermal Shrinking Prot Articles Co Ltd and Jiangsu Dasheng Heat Shrinkable Mat Co Ltd have applied Chinese patent for Reactor and Method for Preparing Polyethylene Anti-corrosion Hot Melt Adhesive for Pipeline Joint Coating. Yang Junwei, Wei Liang, Huo Yongsuo, Yuan Yangchen and Zhang Yuhao dev..

Guangzhou Sailong Additive Mfg Co Ltd, Wang Qiangbing, Lyu Yongda and Qi Yuan Submit Chinese Patent Application for Insulated Gate Bipolar Transistor (igbt) Module Separation Type ..

Pipe

| Fri 29 May 2026

Beijing, May 29 -- Guangzhou Sailong Additive Mfg Co Ltd, Wang Qiangbing, Lyu Yongda and Qi Yuan have submitted a patent application for Insulated Gate Bipolar Transistor (igbt) Module Separation Type Heat Pipe Radiating Device and Manufacturing Method. The patent application number is CN20241146564 20240726. The patent publ..

Beijing Chengtie Tech Group Co Ltd Applies for Patent on Air Conditioner Pipeline Sealing Performance Detection Device

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Beijing Chengtie Tech Group Co Ltd has applied Chinese patent for Air Conditioner Pipeline Sealing Performance Detection Device. Liu Changli, Gong Xu, Jia Yuekun and Bai Chunming developed it. The patent application number is CN202511843055 20251209. The patent publication number is CN121453297 (A). Interna..

Offshore Oil Eng Qingdao Co Seeks Patent for Self-cleaning Flame Cutting Device for Steel Pipes

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Offshore Oil Eng Qingdao Co has sought patent for Self-cleaning Flame Cutting Device for Steel Pipes. This invention was developed by Gu Shijiu, Qin Qiang, Chu Zhuang, Liu Chen and Cui Kun. The patent application number is CN202511608596 20251105. The patent publication number is CN121447179 (A). Internatio..

State Intellectual Property Office of China Releases Zhangjiagang Liye Machinery Co Ltd Patent Application for Positioning Device for Pipe Cutting Machine

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has released Zhangjiagang Liye Machinery Co Ltd patent application for Positioning Device for Pipe Cutting Machine. This invention was developed by Yuan Lihuang, Shi Yuanyuan and Huang Jianjun. The patent application number is CN20251212288 20251229. The patent pu..

Cangzhou Gukeli Pipe Anticorrosion Co Ltd Seeks Patent for Efficient and Safe Cutting Device for Steel Pipe Machining

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Cangzhou Gukeli Pipe Anticorrosion Co Ltd has sought patent for Efficient and Safe Cutting Device for Steel Pipe Machining. This invention was developed by Pang Haijiang, Li Yuliang, Zhang Jinfeng, Yan Yusheng, Wang Binggang and Yu Lin. The patent application number is CN202511618925 20251106. The patent pu..

Anhui Zhongxiang Refrigeration Tech Co Ltd Submits Chinese Patent Application for Air Conditioner Corrugated Copper-aluminum Connecting Pipe and Cutting Device for Machining Air Co..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Anhui Zhongxiang Refrigeration Tech Co Ltd has submitted a patent application for Air Conditioner Corrugated Copper-aluminum Connecting Pipe and Cutting Device for Machining Air Conditioner Corrugated Copper-aluminum Connecting Pipe. This invention was developed by Zhang Xianlu. The patent application numbe..

Taizhou Zhongjun New Building Mat Co Ltd Applies for Patent on Prestressed Pipe Pile Cutting Equipment

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Taizhou Zhongjun New Building Mat Co Ltd has applied Chinese patent for Prestressed Pipe Pile Cutting Equipment. Gu Liang and Gu Tao developed it. The patent application number is CN20251257524 20251231. The patent publication number is CN121447119 (A). International Patent Classification codes are B23D19/0..

Yibo Comm Equip Group Co Ltd Submits Chinese Patent Application for PVC (polyvinyl Chloride) Pipe for Communication Wiring and Preparation Method Thereof

Pipe

| Fri 29 May 2026

Beijing, May 29 -- Yibo Comm Equip Group Co Ltd has submitted a patent application for PVC (polyvinyl Chloride) Pipe for Communication Wiring and Preparation Method Thereof. This invention was developed by Shao Mingming, Shao Jibao, Feng Qingkai and Lu Fanghua. The patent application number is CN202511870639 20251212. The pat..

State Intellectual Property Office of China Publishes Chongqing Redi Building Planning Design Co Ltd Patent Application for Water Supply and Drainage Pipeline Detection Machine

Pipe

| Fri 29 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has published Chongqing Redi Building Planning Design Co Ltd patent application for Water Supply and Drainage Pipeline Detection Machine. The invention was developed by Zhao Xin, Yang Ying, Liu Xiaoxia, Qiao Ye, Gui Mei, Li Yang, Yang Zhenwu, Dong Liqin, Huang Haoqia..

Fuzhou Fusu Science And Tech Research Institute Co Ltd Submits Chinese Patent Application for Preparation Method of Light-weight Bamboo Fiber Composite Pipe

Pipe

| Fri 29 May 2026

Beijing, May 29 -- Fuzhou Fusu Science And Tech Research Institute Co Ltd has submitted a patent application for Preparation Method of Light-weight Bamboo Fiber Composite Pipe. This invention was developed by Wu Huimin, Yu Liling, Chen Xiaomei, Zhao Shengyun, Li Wei, Hu Jiapeng, Lin Hao, Liu Ruilai and Peng Chao. The patent a..

Guangzhou Huasen Building and Eng Design Consultants Co Ltd Submits Chinese Patent Application for Fire-fighting Smoke Exhaust Air Pipe Based on Structural Steel Box Girder and Con..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Guangzhou Huasen Building and Eng Design Consultants Co Ltd has submitted a patent application for Fire-fighting Smoke Exhaust Air Pipe Based on Structural Steel Box Girder and Connecting Method of Fire-fighting Smoke Exhaust Air Pipe. This invention was developed by Cheng Xinhong, Lim Dong-hee, Li Zhecun, Li ..

Honghu Xuerong Decoration Eng Co Ltd Submits Chinese Patent Application for Indoor Fresh Air Pipeline with Air Purification Function

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Honghu Xuerong Decoration Eng Co Ltd has submitted a patent application for Indoor Fresh Air Pipeline with Air Purification Function. This invention was developed by Huo Lijun, Liu Jun and Qi Penghua. The patent application number is CN202511515720 20250325. The patent publication number is CN121452625 (A)...

State Intellectual Property Office of China Releases Hangzhou Liqi Instr Equipment Co Ltd Patent Application for Method and System for Quickly Positioning Pipeline Fault of Pump St..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has released Hangzhou Liqi Instr Equipment Co Ltd patent application for Method and System for Quickly Positioning Pipeline Fault of Pump Station Room. This invention was developed by Zhang Fei, Zhai Jinchuan, Wu Shuang, Chen Tianyi and Ye Zhongyi. The patent appl..

State Intellectual Property Office of China Releases Xi'an Yanxing Engineering Testing Tech Co Ltd Patent Application for Steel Plant Pressure Pipeline Detection Device

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has released Xi'an Yanxing Engineering Testing Tech Co Ltd patent application for Steel Plant Pressure Pipeline Detection Device. This invention was developed by Guo Yanpeng, Zheng Wenxiong, Zhang Rong, Qian Yu and Yang Xingang. The patent application number is CN..

Guizhou Yunchuang Shitai Network Tech Co Ltd Submits Chinese Patent Application for Underground Pipe Network Partition Metering Monitoring and Regulation System Based on Internet o..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Guizhou Yunchuang Shitai Network Tech Co Ltd has submitted a patent application for Underground Pipe Network Partition Metering Monitoring and Regulation System Based on Internet of Things. This invention was developed by Lou Tengfei. The patent application number is CN20261018399 20260108. The patent publi..

Foshan Xinzhan Steel Pipe Co Ltd Files Chinese Patent Application for Water Pipe Machining Equipment

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Foshan Xinzhan Steel Pipe Co Ltd has filed a patent application for Water Pipe Machining Equipment. This invention was developed by Liang Yongquan and Lin Qijun. The patent application number is CN20251233246 20251230. The patent publication number is CN121447501 (A). International Patent Classification cod..

Guangdong Guiyubao Invest Co Ltd Files Chinese Patent Application for Integrated Machining Method and Device for Continuous Forming, Sizing, Cutting and U Bending of Internal Threa..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Guangdong Guiyubao Invest Co Ltd has filed a patent application for Integrated Machining Method and Device for Continuous Forming, Sizing, Cutting and U Bending of Internal Thread Copper Pipe. This invention was developed by Feng Jingming and He Zhenjie. The patent application number is CN202511903570 20251..

Shanxi Aerospace Qinghua Equip Co Ltd Applies for Patent on Non-welding Type Hydraulic Guide Pipe Manufacturing and Assembling Method

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Shanxi Aerospace Qinghua Equip Co Ltd has applied Chinese patent for Non-welding Type Hydraulic Guide Pipe Manufacturing and Assembling Method. Yang Yongfang, Qiao Guoyong, Zhang Yi, Yan Jiajia, Liu Xia, Liu Guangjuan, Feng Zhenhua, Fu Wenping, Li Xuguang and Lin Bingqian developed it. The patent applicatio..

Wuhan Qingshan Municipal Construction Group Co Ltd Submits Chinese Patent Application for Rapid Assembling and Welding Device for Large Pipeline in Narrow Space

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Wuhan Qingshan Municipal Construction Group Co Ltd has submitted a patent application for Rapid Assembling and Welding Device for Large Pipeline in Narrow Space. This invention was developed by Yang Li, Guo Junjun, Renji, Sun Lei, Deng Yijie, Chen Xu, Liu Youhui, Zhang Lei, Zhu Linghua, Rao Jian, Yang Kang, Hu..

State Intellectual Property Office of China Releases Xuzhou Dexing Gaoyuan Locomotive Tech Co Ltd Patent Application for Butt Welding Equipment for Thick and Thin Pipes

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has released Xuzhou Dexing Gaoyuan Locomotive Tech Co Ltd patent application for Butt Welding Equipment for Thick and Thin Pipes. This invention was developed by Zhang Houhua, Wu Diandian, Chen Wenwen, Sun Yuan and Li Renmeng. The patent application number is CN20..

State Intellectual Property Office of China Receives TZ Tianjin Binhai Heavy Machinery Co Ltd Patent Application for Inner Wall Surfacing Device and Method for Small-pipe-diameter ..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has received TZ Tianjin Binhai Heavy Machinery Co Ltd patent application for Inner Wall Surfacing Device and Method for Small-pipe-diameter Pipe Fitting. Yang Juan, Wang Liang, Xing Mengwen, Zhao Wenjun, Xue Xiaoyan, Li Yakun, Hao Sheng, Fan Lei, Liu Yajie, Cao Jinwa..

State Intellectual Property Office of China Releases Qinhuangdao Lingnuo Pipe Co Ltd Patent Application for Welding Device for Corrugated Pipe Machining and Welding Method Thereof

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has released Qinhuangdao Lingnuo Pipe Co Ltd patent application for Welding Device for Corrugated Pipe Machining and Welding Method Thereof. This invention was developed by Xia Yunhai and Song Ziqiu. The patent application number is CN202511814211 20251204. The pa..

China Nuclear Tianjin Machine Co Ltd Submits Chinese Patent Application for Multi-station Rotating Disc Type Welding Device for Pipe Fitting Production Line

Pipe

| Thu 28 May 2026

Beijing, May 29 -- China Nuclear Tianjin Machine Co Ltd has submitted a patent application for Multi-station Rotating Disc Type Welding Device for Pipe Fitting Production Line. This invention was developed by Wang Yu, Yu Jinbo, Li Feng, Ma Zhanyu, Liu Yazhen, Jia Xiuyun, Wang Baoping, Zhu Yabin, Mi Shaojie, Yang Honglei, Li Bo, ..

Xuzhou Donghong Mach Mfg Co Ltd Applies for Patent on Pipe Welding Machine for Gas Spring Production

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Xuzhou Donghong Mach Mfg Co Ltd has applied Chinese patent for Pipe Welding Machine for Gas Spring Production. Yue Kun developed it. The patent application number is CN202511622882 20251107. The patent publication number is CN121447300 (A). International Patent Classification codes are B23K31/02 and B23K37/..

State Intellectual Property Office of China Releases Taizhou Donggu Metal Products Co Ltd Patent Application for Cutting Device for Stainless Steel Pipe Production Line

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has released Taizhou Donggu Metal Products Co Ltd patent application for Cutting Device for Stainless Steel Pipe Production Line. This invention was developed by Sun Yulin, Shi Huaping, Ye Zhenyong and Sun Lingling. The patent application number is CN20251221451 2..

State Intellectual Property Office of China Receives Qingdao Anbang New Energy Tech Co Ltd Patent Application for Laser Cutting Machine for Electric Power Iron Tower Pipe Fitting

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has received Qingdao Anbang New Energy Tech Co Ltd patent application for Laser Cutting Machine for Electric Power Iron Tower Pipe Fitting. Pang Zongfa, Zou Meiling and Chi Mingxiao developed the invention. The patent application number is CN202511731834 20251124...

Shandong Taojian Construction Dev Group Co Ltd Submits Chinese Patent Application for Plasma Cutting Device for Building Engineering Pipeline Machining

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Shandong Taojian Construction Dev Group Co Ltd has submitted a patent application for Plasma Cutting Device for Building Engineering Pipeline Machining. This invention was developed by Chen Yongqing, Han Yao, Wang Yong and Song Bo. The patent application number is CN202511940684 20251222. The patent publica..

Dongguan Hongyida Machinery Equipment Co Ltd Seeks Patent for Long Pipe Spinning Machine

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Dongguan Hongyida Machinery Equipment Co Ltd has sought patent for Long Pipe Spinning Machine. This invention was developed by Liang Haijin. The patent application number is CN202511642153 20251111. The patent publication number is CN121446886 (A). International Patent Classification codes are B21D22/16, B2..

State Intellectual Property Office of China Receives Three Way Shandong Heavy Steel Pipe Mfg Co Ltd Patent Application for Steel Plate Bending Device for Heavy Steel Pipe Productio..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has received Three Way Shandong Heavy Steel Pipe Mfg Co Ltd patent application for Steel Plate Bending Device for Heavy Steel Pipe Production. Kong Fanqiang, Yang Fazhan, Wang Ping, Gao Chengjin, Zhang Mingchun and Fan Xiaolong developed the invention. The patent ..

Taiwan Patent Office Receives Wang Yi Ren Patent Application for Trap Pipe Water Replenishment System Including at Least One First Drainage Device, a Water Supply End and a First T..

Pipe

| Fri 29 May 2026

Taipei, May 29 -- Taiwan Patent Office has received Wang Yi Ren patent application for Trap Pipe Water Replenishment System Including at Least One First Drainage Device, a Water Supply End and a First Trap Pipe. Wang Yi-ren developed the invention. The patent application number is TW20230137826 20231003. The patent publicatio..

Kojima Seisakusho Co Ltd Applies for Patent on Drain Pipe Joint

Pipe

| Fri 29 May 2026

Taipei, May 29 -- Kojima Seisakusho Co Ltd has applied Taiwan patent for Drain Pipe Joint. Kojima Seizo, Kojima Hisanori, Iwatsuki Takeshi and Kako Yozo developed it. The patent application number is TW20240127458 20240723. The patent publication number is TW202516082 (A). International Patent Classification code is E03C1/12...

State Intellectual Property Office of China Receives Yangzhou Longchuan Energy Equipment Co Ltd Patent Application for Steel Pipe Inner Circle Detection Device

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has received Yangzhou Longchuan Energy Equipment Co Ltd patent application for Steel Pipe Inner Circle Detection Device. You Fengzhi, Ding Jianwen, Wu Hao, Zhao Hanying and Fan Yuanlin developed the invention. The patent application number is CN202511642527 202511..

Toshiba Home Tech Corp Submits Patent Application for Sheet-shaped Heat Pipe

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Toshiba Home Tech Corp has submitted a patent application for Sheet-shaped Heat Pipe. Ishizuka Yoshihiro developed the invention. The patent application number is CN202510928990 20250707. The patent publication number is CN121452854 (A). International Patent Classification code is F28D15/04. Cooperative Pat..

Hefei Shuoze Tech Co Ltd Applies for Patent on Integrated Device for Sewage Treatment of Building Water Supply and Drainage Pipeline and Use Method of Integrated Device

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Hefei Shuoze Tech Co Ltd has applied Chinese patent for Integrated Device for Sewage Treatment of Building Water Supply and Drainage Pipeline and Use Method of Integrated Device. Zhang Dianquan, Lu Shengjun, Ma Hailong, Sang Yongchun, Zhang Kai and Wei Ximing developed it. The patent application number is C..

State Intellectual Property Office of China Receives Harbin Turbine and Hadian Power Equipment National Engineering Res Center Co Ltd Patent Application for Pipe Hole Inner Surface..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has received Harbin Turbine and Hadian Power Equipment National Engineering Res Center Co Ltd patent application for Pipe Hole Inner Surface Detection Control Method Based on Automatic Positioning of Crawling Robot. Jiang Pengyuan, Zang Hengbo, Wu Longpeng, Zhu Yando..

Suzhou Xinqingyao Detection Tech Co Ltd Submits Chinese Patent Application for Intelligent Detection Equipment for Pipeline Corrosion and Detection Method Thereof

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Suzhou Xinqingyao Detection Tech Co Ltd has submitted a patent application for Intelligent Detection Equipment for Pipeline Corrosion and Detection Method Thereof. This invention was developed by Ma Qun. The patent application number is CN202511493237 20251020. The patent publication number is CN121452434 (..

Kong Fanjun Seeks Patent for Self-locking Type Two-way Sealing Structure of Pipeline Inspection Opening

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Kong Fanjun has sought patent for Self-locking Type Two-way Sealing Structure of Pipeline Inspection Opening. This invention was developed by Kong Fanjun. The patent application number is CN202511873941 20251212. The patent publication number is CN121452431 (A). International Patent Classification codes are..

Kedun Scient Shanxi Co Ltd Submits Patent Application for Connecting and Fastening Mechanism Between Pipe Fittings

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Kedun Scient Shanxi Co Ltd has submitted a patent application for Connecting and Fastening Mechanism Between Pipe Fittings. Pan Hao, Qiao Guanming and Lei Jizhong developed the invention. The patent application number is CN202511907993 20251217. The patent publication number is CN121452422 (A). Internationa..

State Intellectual Property Office of China Receives Aerospace Science & Industry Hengtong Shanghai Fluid Trans System Co Ltd Patent Application for Large-drift-diameter Polytetraf..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has received Aerospace Science & Industry Hengtong Shanghai Fluid Trans System Co Ltd patent application for Large-drift-diameter Polytetrafluoroethylene Corrugated Pipe. Wang Yongzhi, Zhang Gaohong, Lyu Qianli, Zhao Peng, Ge Pengfei, Song Yuxi, Shao Wanfu, Zhou Siya..

Shanghai Jinghui Ind Development Co Ltd Applies for Patent on Building Drainage Flame-retardant Sound-absorbing Pipe Fitting and Preparation Method Thereof

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Shanghai Jinghui Ind Development Co Ltd has applied Chinese patent for Building Drainage Flame-retardant Sound-absorbing Pipe Fitting and Preparation Method Thereof. Lin Minrui developed it. The patent application number is CN202511646695 20251111. The patent publication number is CN121452412 (A). Internati..

Guangdong Lingshi Ship Tech Co Ltd Seeks Patent for Marine Double-wall Pipeline System and Manufacturing Method Thereof

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Guangdong Lingshi Ship Tech Co Ltd has sought patent for Marine Double-wall Pipeline System and Manufacturing Method Thereof. This invention was developed by Ling Xuezhong and Qian Hao. The patent application number is CN202511795286 20251202. The patent publication number is CN121452411 (A). International ..

State Intellectual Property Office of China Releases Changzhou Yudong Prec Machinery Co Ltd Patent Application for Fire-fighting Pipeline Fixing Structure for Fire-fighting Enginee..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has released Changzhou Yudong Prec Machinery Co Ltd patent application for Fire-fighting Pipeline Fixing Structure for Fire-fighting Engineering. This invention was developed by Cheng Xingxing, Cao Zhigao and Li Wupeng. The patent application number is CN202511601..

State Intellectual Property Office of China Publishes Jubian Xinneng Anhui Co Ltd and Hefei Institutes of Physical Science, Chinese Academy of Sciences Patent Application for Embed..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has published Jubian Xinneng Anhui Co Ltd and Hefei Institutes of Physical Science, Chinese Academy of Sciences patent application for Embedded Adjustable Easy-to-disassemble Pipeline Hoisting Support of Neutral Beam Injection System. The invention was developed by N..

State Intellectual Property Office of China Releases Shanxi Water Conservancy Construction Engineering Group and Shanxi Taixin Koda River Water Supply Patent Application for Horizo..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has released Shanxi Water Conservancy Construction Engineering Group and Shanxi Taixin Koda River Water Supply patent application for Horizontal Directional Drilling Pipe Laying Construction Device and Construction Method Thereof. This invention was developed by Zhan..

Wu Xingwei Applies for Patent on Inclined Water Nail Pipe Installation Construction Method

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Wu Xingwei has applied Chinese patent for Inclined Water Nail Pipe Installation Construction Method. Wu Xingwei and Kui Haipeng developed it. The patent application number is CN20251212358 20251229. The patent publication number is CN121452401 (A). International Patent Classification codes are E02D19/06, F1..

Wuxi Suoao Prec Valve Co Ltd Files Chinese Patent Application for Double-gas-path Corrugated Pipe Vacuum Transport Valve Structure and Working Method Thereof

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Wuxi Suoao Prec Valve Co Ltd has filed a patent application for Double-gas-path Corrugated Pipe Vacuum Transport Valve Structure and Working Method Thereof. This invention was developed by Zhang Dongdong and Liu Jia. The patent application number is CN202511846863 20251209. The patent publication number is ..

State Intellectual Property Office of China Releases Shanghai Longteng Mach Mfg Co Ltd Patent Application for Pipe Feeding Mechanism of Collaborative Robot

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has released Shanghai Longteng Mach Mfg Co Ltd patent application for Pipe Feeding Mechanism of Collaborative Robot. This invention was developed by Qiao Guolong, Qiao Ying and Li Zhengrui. The patent application number is CN202511957243 20251223. The patent publi..

Shengde Xintai New Mat Co Ltd Applies for Patent on Automatic Discharging Oil Scraping Device for Steel Pipe Cold-rolling Mill

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Shengde Xintai New Mat Co Ltd has applied Chinese patent for Automatic Discharging Oil Scraping Device for Steel Pipe Cold-rolling Mill. Zhou Wenqing, Fan Qi, Mao Changjun, Zhou Yangyi and Zhou Yixin developed it. The patent application number is CN20261004375 20260105. The patent publication number is CN12..

State Intellectual Property Office of China Releases Xinjiang Inst Of Intelligent Equipment and Taiyuan University of Technology Patent Application for Rolling Compounding Method f..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has released Xinjiang Inst Of Intelligent Equipment and Taiyuan University of Technology patent application for Rolling Compounding Method for Low-cost Copper-aluminum Composite Pipe. This invention was developed by Yang Guowei, Mi Baiqing, Ren Zhongkai, Wang Tao, Fu..

State Intellectual Property Office of China Receives Hunan Qisheng Project Man Co Ltd Patent Application for Auxiliary Equipment for Cleaning Nuclear Power Station Pipeline

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has received Hunan Qisheng Project Man Co Ltd patent application for Auxiliary Equipment for Cleaning Nuclear Power Station Pipeline. Peng Guoxi and Peng Yi developed the invention. The patent application number is CN202511655757 20251112. The patent publication n..

Hangzhou Degong Machinery Co Ltd Files Chinese Patent Application for Surface Dirt Cleaning Device and Method for Multi-station Pipe Bending Machine

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Hangzhou Degong Machinery Co Ltd has filed a patent application for Surface Dirt Cleaning Device and Method for Multi-station Pipe Bending Machine. This invention was developed by Fan Shiliang. The patent application number is CN202511561778 20251029. The patent publication number is CN121446757 (A). Intern..

Hunan Shuangma New Material Tech Co Ltd Submits Chinese Patent Application for Refractory Coating and Preparation Method Thereof, Refractory Coating and Preparation Method Thereof,..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Hunan Shuangma New Material Tech Co Ltd has submitted a patent application for Refractory Coating and Preparation Method Thereof, Refractory Coating and Preparation Method Thereof, and Double-layer Composite Pipe with Flat Inner Surface. This invention was developed by Kang Xi, Zou Jian and Wang Haiqiao. Th..

Zhong Tongfu Energy Conservation Tech Services Co Ltd Seeks Patent for Double-circulation Heat Pipe Air Conditioner for Data Center

Pipe

| Fri 29 May 2026

Beijing, May 29 -- Zhong Tongfu Energy Conservation Tech Services Co Ltd has sought patent for Double-circulation Heat Pipe Air Conditioner for Data Center. This invention was developed by Zhang Hangrui, Zhao Jia and Deng Yangxi. The patent application number is CN202511733409 20251124. The patent publication number is CN1214..

Zou Tianxia Submits Patent Application for Double-sided Built-in Folding Pipe Liquid Cooling Plate Structure

Pipe

| Fri 29 May 2026

Beijing, May 29 -- Zou Tianxia has submitted a patent application for Double-sided Built-in Folding Pipe Liquid Cooling Plate Structure. The patent application number is CN202511657908 20251113. The patent publication number is CN121442655 (A). International Patent Classification codes are B01D29/35, B01D29/96 and H05K7/20. ..

Shaoxing Rongdi Machinery Co Ltd Applies for Patent on Compressor Pipe Joint and Connecting Process of Compressor and Pipe

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Shaoxing Rongdi Machinery Co Ltd has applied Chinese patent for Compressor Pipe Joint and Connecting Process of Compressor and Pipe. Liang Haozhang and Guan Hongjun developed it. The patent application number is CN202511952731 20251223. The patent publication number is CN121452153 (A). International Patent ..

Hangzhou Guangdi Tech Co Ltd Seeks Patent for Power Generation Device and Application of Power Generation Device for Supplying Power to Electric Devices of Gas Pipeline

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Hangzhou Guangdi Tech Co Ltd has sought patent for Power Generation Device and Application of Power Generation Device for Supplying Power to Electric Devices of Gas Pipeline. This invention was developed by Lin Dong, Zhu Fuwei and Jiang Fang. The patent application number is CN20241124948 20240729. The pate..

State Intellectual Property Office of China Publishes Shanghai Tunnel Eng Co Ltd Patent Application for Receiving Device and Method of Bunched Pipe Roof Pipe Jacking Machine

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has published Shanghai Tunnel Eng Co Ltd patent application for Receiving Device and Method of Bunched Pipe Roof Pipe Jacking Machine. The invention was developed by Zhang Yizhong, Shu Gangqiang, Pan Weiqiang, Chen Wenli, Chen Peixin, Xia Nengwu, Zhang Ronghui, Yao J..

Huangshan Huaneng Petrochemical Machinery Co Ltd Seeks Patent for Pipe Rod Lifting Mechanism for Well Drilling and Workover Operation

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Huangshan Huaneng Petrochemical Machinery Co Ltd has sought patent for Pipe Rod Lifting Mechanism for Well Drilling and Workover Operation. This invention was developed by Li Yang, Ma Hongtao, Wu Yuebin, Wu Xiaofei, Sheng Fuyou and Guo Yamin. The patent application number is CN202511876111 20251212. The pat..

Ecosys Pte Ltd Submits Taiwan Patent Application for Reactor for Treating Gaseous Pollutants and Head Component Thereof Including a Top Cover Component, One or More Plasma Modules ..

Pipe

| Fri 29 May 2026

Taipei, May 29 -- Ecosys Pte Ltd has submitted a patent application for Reactor for Treating Gaseous Pollutants and Head Component Thereof Including a Top Cover Component, One or More Plasma Modules and One or More Guide Pipeline Components. This invention was developed by Chan Chee-wei. The patent application number is TW202..

State Intellectual Property Office of China Releases Xi'an Fuer Lvchuang Mining Tech Co Ltd Patent Application for Testing Device Based on Sound Wave Sensing and Pipeline Blockage ..

Pipe

| Fri 29 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has released Xi'an Fuer Lvchuang Mining Tech Co Ltd patent application for Testing Device Based on Sound Wave Sensing and Pipeline Blockage Position Determining Method. This invention was developed by Xin Jie, Liu Lang, Ning Dianyan, Qin Xuebin, Wei Jiangbo, Zhu Meng..

State Intellectual Property Office of China Publishes Cangzhou Mingzhu Plastic Co Ltd Patent Application for Pe Pipe Surface Laser Detection Equipment

Pipe

| Fri 29 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has published Cangzhou Mingzhu Plastic Co Ltd patent application for Pe Pipe Surface Laser Detection Equipment. The invention was developed by Yu Zengsheng, Geng Chunfeng, He Maoyuan and Yu Hong. The patent application number is CN202511798255 20251202. The patent..

State Intellectual Property Office of China Releases Dongguan Xinlongke Semiconductor Equipment Co Ltd Patent Application for Rapid Positioning and Detecting Device for Plastic Pip..

Pipe

| Fri 29 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has released Dongguan Xinlongke Semiconductor Equipment Co Ltd patent application for Rapid Positioning and Detecting Device for Plastic Pipe. This invention was developed by Xu Yong, Hu Xiaochun and Wang Tiesheng. The patent application number is CN202511542872 2..

Hubei Siji Orange Construction Eng Co Ltd Applies for Patent on Pipe Network Reconstruction and Expansion Siltation Cleaning Device Capable of Dredging While Water Passes Through

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Hubei Siji Orange Construction Eng Co Ltd has applied Chinese patent for Pipe Network Reconstruction and Expansion Siltation Cleaning Device Capable of Dredging While Water Passes Through. Lyu Cairong developed it. The patent application number is CN202511576086 20251031. The patent publication number is CN..

Zhejiang Shirun Jianchuang Tech Development Co Ltd Submits Patent Application for Construction Method and Device for Replacing Underground Drainage Pipeline Crossing Deep Foundatio..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Zhejiang Shirun Jianchuang Tech Development Co Ltd has submitted a patent application for Construction Method and Device for Replacing Underground Drainage Pipeline Crossing Deep Foundation Pit with Steel Pipeline. Diao Hongguo, Wang Chengquan, Hong Dongping, Chen Yewen and Zhang Yan developed the invention. ..

Shaanxi Xijian Road & Bridge Eng Co Ltd Submits Chinese Patent Application for Integral Construction Method for Reinforced Concrete Drainage Pipeline

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Shaanxi Xijian Road & Bridge Eng Co Ltd has submitted a patent application for Integral Construction Method for Reinforced Concrete Drainage Pipeline. This invention was developed by Li Xinyang and Jia Haipeng. The patent application number is CN202511615866 20251106. The patent publication number is CN1214..

State Intellectual Property Office of China Releases Techtake Makucolia Co Ltd Patent Application for Water Separation Pipeline Water Transfer Facility Comprising Water Separation ..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has released Techtake Makucolia Co Ltd patent application for Water Separation Pipeline Water Transfer Facility Comprising Water Separation Device. This invention was developed by Cho Sung-hyun. The patent application number is CN202411257639 20240909. The patent ..

State Intellectual Property Office of China Releases Huaneng Lancang River Hydropower and Nanjing Hydraulic Research Institute Patent Application for Air Pressure Pipeline for Tran..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has released Huaneng Lancang River Hydropower and Nanjing Hydraulic Research Institute patent application for Air Pressure Pipeline for Transporting Fishes. This invention was developed by Li Fu, Yang Yandong, Wang Xiaogang, Yan Xiang, Liu Chengfu, He Xi, Zhao Binbin..

Hangzhou Taide Electromechanical Co Ltd Files Chinese Patent Application for Mpp Pipe Cooling and Shaping Sleeve and Using Method Thereof

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Hangzhou Taide Electromechanical Co Ltd has filed a patent application for Mpp Pipe Cooling and Shaping Sleeve and Using Method Thereof. This invention was developed by Yang Minggang, Han Lu, Li Jianfeng and Li Pingfang. The patent application number is CN20261004448 20260105. The patent publication number ..

Qingdao Fulewei Machinery Tech Co Ltd Seeks Patent for Forming Equipment and Production Line for Corrugated Pipe Production Based on Plastic Waste Regeneration

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Qingdao Fulewei Machinery Tech Co Ltd has sought patent for Forming Equipment and Production Line for Corrugated Pipe Production Based on Plastic Waste Regeneration. This invention was developed by Zhang Yingying and Zhang Zhenchao. The patent application number is CN202511852233 20251210. The patent public..

Guizhou Zhicheng New Material Tech Co Ltd Seeks Patent for Preparation Method of Insulating Electrical Plastic Pipe for Building

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Guizhou Zhicheng New Material Tech Co Ltd has sought patent for Preparation Method of Insulating Electrical Plastic Pipe for Building. This invention was developed by Xiao Yingguang, He Zhengkai, Chen An, Shang Jiaoping, Liu Li and Yang Jiayou. The patent application number is CN202411648058 20241118. The p..

Guangdong Tongsu Pipeline Co Ltd Submits Chinese Patent Application for Device and Method for Forming Corrugated Pipe by Using Reclaimed Material

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Guangdong Tongsu Pipeline Co Ltd has submitted a patent application for Device and Method for Forming Corrugated Pipe by Using Reclaimed Material. This invention was developed by Chen Yongwei. The patent application number is CN202511998135 20251228. The patent publication number is CN121447834 (A). Interna..

State Intellectual Property Office of China Releases Jiangsu Jinbuli Prec Manufacturing Co Ltd Patent Application for New Energy Water-cooling Heat Dissipation Pipeline Buckle Cont..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has released Jiangsu Jinbuli Prec Manufacturing Co Ltd patent application for New Energy Water-cooling Heat Dissipation Pipeline Buckle Continuous Compression Molding Integrated Forming System. This invention was developed by Hao Jinhua. The patent application num..

State Intellectual Property Office of China Releases Jiangsu Tonghui Lvjian Tech Co Ltd Patent Application for Punching Equipment for Steel Pipe Web Member Truss Prestress Composit..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has released Jiangsu Tonghui Lvjian Tech Co Ltd patent application for Punching Equipment for Steel Pipe Web Member Truss Prestress Composite Floor Slab. This invention was developed by Hao Kunchao and Zhang Hao. The patent application number is CN20261008421 2026..

Hualan Biological Pengshui County Monocerating Slurry Co Ltd Seeks Patent for Full-automatic Conveying Type Plasma Bag Sample Reserving Pipe Hot Cutting Equipment

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Hualan Biological Pengshui County Monocerating Slurry Co Ltd has sought patent for Full-automatic Conveying Type Plasma Bag Sample Reserving Pipe Hot Cutting Equipment. This invention was developed by Huang Shifang, Zhang Guoying, He Ping, Wei Feifei and Luo Yumei. The patent application number is CN2025119..

State Intellectual Property Office of China Receives Shanxi Tianqin Plastic Pipe Patent Application for Automatic Production Device for PE Pipes

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has received Shanxi Tianqin Plastic Pipe patent application for Automatic Production Device for PE Pipes. Zhang Zhiliang, Zhao Yongjie, He Tao, Han Xiaoping and Liu Yaping developed the invention. The patent application number is CN202511577067 20251031. The paten..

Suzhou Jiashun Pipe Ind Co Ltd Submits Patent Application for High-density Electric Composite Pipe and Preparation Method Thereof

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Suzhou Jiashun Pipe Ind Co Ltd has submitted a patent application for High-density Electric Composite Pipe and Preparation Method Thereof. Liu Yi, Wu Yunyun and Qian Jiaying developed the invention. The patent application number is CN202511806103 20251203. The patent publication number is CN121447719 (A). I..

Huang Songfan Submits Chinese Patent Application for High-speed Laser Cladding Repairing Device for Inner Wall of Pipe Fitting

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Huang Songfan has submitted a patent application for High-speed Laser Cladding Repairing Device for Inner Wall of Pipe Fitting. This invention was developed by Huang Songfan. The patent application number is CN202511760717 20251127. The patent publication number is CN121451182 (A). International Patent Clas..

State Intellectual Property Office of China Receives Yanshan University and Hebei University of Technology Patent Application for Abrasive Water Jet Polishing Device for Inner Surf..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has received Yanshan University and Hebei University of Technology patent application for Abrasive Water Jet Polishing Device for Inner Surface of Pipeline. Huang Chuanzhen, Wang Hongyang, Wang Zhen, Shi Zhenyu, Xu Longhua, Huang Shuiquan, Qu Meina, Xu Zhengkai, Zhan..

SK Kawanishi Co Ltd Submits Taiwan Patent Application for Water Stop Structure of Pipe Joint

Pipe

| Fri 29 May 2026

Taipei, May 29 -- SK Kawanishi Co Ltd has submitted a patent application for Water Stop Structure of Pipe Joint. This invention was developed by Kawanishi Hidehito. The patent application number is TW20240137400 20240930. The patent publication number is TW202516123 (A). International Patent Classification codes are F16J15/32..

Taiwan Patent Office Releases Wang Kai Sheng Patent Application for U-shaped Pipe Clamp Structure and Forming Method Thereof Capable of Simplifying Assembly and Saving Labor Time a..

Pipe

| Fri 29 May 2026

Taipei, May 29 -- Taiwan Patent Office has released Wang Kai Sheng patent application for U-shaped Pipe Clamp Structure and Forming Method Thereof Capable of Simplifying Assembly and Saving Labor Time and Process. This invention was developed by Wang Kai-sheng. The patent application number is TW20230138967 20231012. The pate..

Smart Ocean Tech Co Ltd Submits Chinese Patent Application for Acoustic Communication Method and Device Based on Pipeline Medium Propagation

Pipe

| Fri 29 May 2026

Beijing, May 29 -- Smart Ocean Tech Co Ltd has submitted a patent application for Acoustic Communication Method and Device Based on Pipeline Medium Propagation. This invention was developed by Cui Junhong, Zhou Hao, Wan Chunru, Liu Jinshan and Ai Qiuming. The patent application number is CN202511490596 20251017. The patent pu..

State Intellectual Property Office of China Receives Xi'an Thermal Power Research Institute Patent Application for Phased Array Auxiliary Clamping Device for Small-pipe-diameter We..

Pipe

| Fri 29 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has received Xi'an Thermal Power Research Institute patent application for Phased Array Auxiliary Clamping Device for Small-pipe-diameter Welding Seam. Hu Boyao, Qin Chengpeng, Wang Zhiqiang, Li Liang, Li Dongjiang, Wang Fugui, Wang Qiang, Xu Xiongfei, Chen Zheng, Zh..

Guangdong Zhiyuan Chuangneng Tech Co Ltd Submits Patent Application for Bamboo-based Composite Material Pipeline and Pipe Gallery Automatic Production Equipment and Production Meth..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Guangdong Zhiyuan Chuangneng Tech Co Ltd has submitted a patent application for Bamboo-based Composite Material Pipeline and Pipe Gallery Automatic Production Equipment and Production Method. Xuan Zicheng, Xuan Jionghua and Xuan Zhidong developed the invention. The patent application number is CN20251158303..

Guizhou Zhicheng New Material Tech Co Ltd Submits Chinese Patent Application for Preparation Method of Nano-modified High-density Polyethylene (muhdpe) Double-wall Corrugated Alloy..

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Guizhou Zhicheng New Material Tech Co Ltd has submitted a patent application for Preparation Method of Nano-modified High-density Polyethylene (muhdpe) Double-wall Corrugated Alloy Pipe. This invention was developed by Chen An, Wen Caixue, He Zhengkai, Shang Jiaoping, Yang Jiayou and Lyu Ruguo. The patent a..

Guizhou Zhicheng New Material Tech Co Ltd Applies for Patent on Production Method of Rigid Polyvinyl Chloride Pipe for Building Drainage

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Guizhou Zhicheng New Material Tech Co Ltd has applied Chinese patent for Production Method of Rigid Polyvinyl Chloride Pipe for Building Drainage. Shang Jiaoping, Wen Caixue, Chen An, Yang Jiayou, Liu Li and Ni Jiaxin developed it. The patent application number is CN202411298372 20240918. The patent publica..

Taiyuan University of Technology Submits Patent Application for Sand Box Simulation Test Device for Strike-slip Fault of Buried Oil and Gas Pipeline and Use Method of Sand Box Simu..

Pipe

| Fri 29 May 2026

Beijing, May 29 -- Taiyuan University of Technology has submitted a patent application for Sand Box Simulation Test Device for Strike-slip Fault of Buried Oil and Gas Pipeline and Use Method of Sand Box Simulation Test Device. Ma Chuan, Sun Yifei, Qin Pengju, Liao Wenwang and Wang Xuetao developed the invention. The patent appl..

State Intellectual Property Office of China Publishes Hubei Kingbull Pipe Industry Patent Application for Ultra-silence HDPE Pipe for Building Drainage and Preparation Method of Ul..

Pipe

| Fri 29 May 2026

Beijing, May 29 -- State Intellectual Property Office of China has published Hubei Kingbull Pipe Industry patent application for Ultra-silence HDPE Pipe for Building Drainage and Preparation Method of Ultra-silence HDPE Pipe. The invention was developed by Chen Houzhong. The patent application number is CN202511578935 20251031...

Guangzhou University Seeks Patent for Vibration Excitation Testing Device and Method for GIL Power Transmission Line Pipeline

Pipe

| Thu 28 May 2026

Beijing, May 29 -- Guangzhou University has sought patent for Vibration Excitation Testing Device and Method for GIL Power Transmission Line Pipeline. This invention was developed by Yang Zhenyu, He Wenyu, Liang Zhanhao, Fu Mingyang, Lu Yukang and Ma Yuhong. The patent application number is CN202511690560 20251118. The patent..

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