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Cnpc Chuanqing Drilling Engineering Co Limited and China National Petroleum Submit Chinese Patent Application for Design Method for Well Section Casing Pipe with Spacing Smaller Th..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Cnpc Chuanqing Drilling Engineering Co Limited and China National Petroleum have submitted a patent application for Design Method for Well Section Casing Pipe with Spacing Smaller Than 6m Based on Well Group Well Track. This invention was developed by Zhou Wenbing, Li Xiaoli, Li Qianchun, Wang Peifeng, Li Jin..

Haifang Shanghai Tech Co Ltd Submits Chinese Patent Application for Pipeline Multiphase Flow Simulation Method Supporting Slug Flow

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Haifang Shanghai Tech Co Ltd has submitted a patent application for Pipeline Multiphase Flow Simulation Method Supporting Slug Flow. This invention was developed by Zhao Honggang and Wang Duo. The patent application number is CN202610115390 20260128. The patent publication number is CN121997829 (A). Intern..

State Intellectual Property Office of China Publishes Fujian New Tongyuan Composite Material Tech Co Ltd Patent Application for Sealing Connection Sleeve for Pipelines and Preparat..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has published Fujian New Tongyuan Composite Material Tech Co Ltd patent application for Sealing Connection Sleeve for Pipelines and Preparation Method of Sealing Connection Sleeve. The invention was developed by Lin Changsheng. The patent application number is CN..

Xiongan Technology Group Submits Patent Application for Pipeline Dredging Device

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Xiongan Technology Group has submitted a patent application for Pipeline Dredging Device. Mao Gangqiang and Wu Yuan developed the invention. The patent application number is CN202610454571 20260408. The patent publication number is CN121988574 (A). International Patent Classification codes are B02C18/00, B..

State Intellectual Property Office of China Releases Cnpc Engineering Materials R & D Co Limited and China National Petroleum Patent Application for Design Method of Dense-phase Ca..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has released Cnpc Engineering Materials R & D Co Limited and China National Petroleum patent application for Design Method of Dense-phase Carbon Dioxide Pipeline Composite Material Crack Arrestor. This invention was developed by Li He, Li Shengnan and Wang Jun. T..

Ningbo Donghai Digital Tech Co Ltd and Ningbo Donghai Group Corp Submit Chinese Patent Application for Pipe Network Leakage Analysis Method and System Based on Online Hydraulic Mod..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Ningbo Donghai Digital Tech Co Ltd and Ningbo Donghai Group Corp have submitted a patent application for Pipe Network Leakage Analysis Method and System Based on Online Hydraulic Model. This invention was developed by Yang Qiuliang, Cai Yunpeng and Cai Yunshan. The patent application number is CN2026103330..

CGN South Tech Co Ltd, CGN Power and China Nuclear Power Institute Submit Chinese Patent Application for Method and Device for Determining Critical Resistance Coefficient of Steam ..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- CGN South Tech Co Ltd, CGN Power and China Nuclear Power Institute have submitted a patent application for Method and Device for Determining Critical Resistance Coefficient of Steam Generator Pipeline of Nuclear Reactor. This invention was developed by Ruan Tianming, Lin Jiming, Mao Yulong, Jin Desheng, Meng ..

Guangdong Fengyue Technology Engineering and The First Engineering Co of CCCC Fourth Harbor Engineering Co Ltd Apply for Patent on Door and Window Curtain Wall Pipeline Collision E..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Guangdong Fengyue Technology Engineering and The First Engineering Co of CCCC Fourth Harbor Engineering Co Ltd have applied Chinese patent for Door and Window Curtain Wall Pipeline Collision Early Warning and Precise Installation Adjusting Method and System. Zhang Guojian, Wu Zhe, Tan Beihong, Wu Ruifeng, Tan..

Cgnpc Uranium Resources Co Ltd and China Nuclear Power Institute Seek Patent for Detection Method for Weld Joint Bonding Area of Chromium-containing Coating Cladding Pipe and Relat..

Pipe

| Thu 30 Jul 2026

Beijing, July 31 -- Cgnpc Uranium Resources Co Ltd and China Nuclear Power Institute have sought patent for Detection Method for Weld Joint Bonding Area of Chromium-containing Coating Cladding Pipe and Related Device. This invention was developed by Bi Haibo, Duan Delong, Cheng Xi, Su Yu, Xue Jiaxiang, Liao Yehong, Li Tao, Li Si..

Xi'an University of Posts & Telecommunications and Shaanxi Geweiqi Energy Saving Tech Co Ltd File Chinese Patent Application for Nodular Cast Iron Pipe Defect Detection Method Base..

Pipe

| Thu 30 Jul 2026

Beijing, July 31 -- Xi'an University of Posts & Telecommunications and Shaanxi Geweiqi Energy Saving Tech Co Ltd have filed a patent application for Nodular Cast Iron Pipe Defect Detection Method Based on Machine Vision. This invention was developed by Lei Yu, Bai Yunjie, Zhan Peng, Cheng Jiaxin and Niu Zhoufeng. The patent a..

Linhai Weixing New Building Materials and Zhejiang Weixing New Building Materials Co Ltd Submit Chinese Patent Application for Accelerated Comparison Test Evaluation Method and Sys..

Pipe

| Thu 30 Jul 2026

Beijing, July 31 -- Linhai Weixing New Building Materials and Zhejiang Weixing New Building Materials Co Ltd have submitted a patent application for Accelerated Comparison Test Evaluation Method and System for Anti-scaling Performance of Plastic Pipeline. This invention was developed by Lu Gangfeng, Yu Linjie and Chen Yuguang. ..

South China Branch of State Petroleum Natural Gas Pipeline Network Group Co Ltd, Yangzhou Hengchun Electronic Co Ltd and National Petroleum Pipeline Network Group Seek Patent for R..

Pipe

| Thu 30 Jul 2026

Beijing, July 31 -- South China Branch of State Petroleum Natural Gas Pipeline Network Group Co Ltd, Yangzhou Hengchun Electronic Co Ltd and National Petroleum Pipeline Network Group have sought patent for Reversing Loading Force Impact Suppression Method Based on Fourier Neural Operator. This invention was developed by Yang Wen..

South China Branch Of State Petroleum Natural Gas Pipeline Network Group Co Ltd, Yangzhou Hengchun Electronic Co Ltd and National Petroleum Pipeline Network Group File Chinese Pate..

Pipe

| Thu 30 Jul 2026

Beijing, July 31 -- South China Branch Of State Petroleum Natural Gas Pipeline Network Group Co Ltd, Yangzhou Hengchun Electronic Co Ltd and National Petroleum Pipeline Network Group have filed a patent application for Fault Early Warning Method and System for Dynamic Torque Test Platform. This invention was developed by Li Ling..

Guoneng Changzhou No. 2 Power Generation Co Ltd and Guoneng Changzhou Power Generation Co Ltd File Chinese Patent Application for Multi-source Joint Judgment Method for Pipeline Le..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Guoneng Changzhou No. 2 Power Generation Co Ltd and Guoneng Changzhou Power Generation Co Ltd have filed a patent application for Multi-source Joint Judgment Method for Pipeline Leakage. This invention was developed by Yuan Zhixian, Shi Zhengyun, Zhang Hang, Gong Shuxun and Wu Zhen. The patent application ..

Ningxia Jianlong Longxiang Iron and Steel Co Ltd and Ningxia Jianlong Special Steel Co Ltd File Chinese Patent Application for Galvanized Pipe Cooling and Passivating Equipment

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Ningxia Jianlong Longxiang Iron and Steel Co Ltd and Ningxia Jianlong Special Steel Co Ltd have filed a patent application for Galvanized Pipe Cooling and Passivating Equipment. This invention was developed by Zhao Haiyang, Zhang Hongxiao, Huo Liyong, Cui Zhiye, Guo Qingfeng and Wu Yongrui. The patent appl..

Jiangsu University of Science and Technology and China Machinery General Institute Group Ningbo Intelligent Machine Tool Research Institute Co Ltd File Chinese Patent Application f..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Jiangsu University of Science and Technology and China Machinery General Institute Group Ningbo Intelligent Machine Tool Research Institute Co Ltd have filed a patent application for Heat Treatment Device and Method for Connecting Pipe Welding Joint of Large Pressure Vessel. This invention was developed by Wa..

Guoneng Shendong Coal Group and Shendong Coal Branch of China Shenhua Energy Co Limited Submit Chinese Patent Application for Downhole Double-pipe Grouting Mixer and Grouting Metho..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Guoneng Shendong Coal Group and Shendong Coal Branch of China Shenhua Energy Co Limited have submitted a patent application for Downhole Double-pipe Grouting Mixer and Grouting Method Thereof. This invention was developed by Tian Zhicheng, Lyu Shuai, Gao Kuiying, Li Xuanliang, Ren Yongqiang and Zhang Yunfei. ..

State Intellectual Property Office of China Publishes Tsinghua University and Ordos Laboratory Patent Application for Heat Energy Storage System Pipeline Vibration Abnormity Identi..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has published Tsinghua University and Ordos Laboratory patent application for Heat Energy Storage System Pipeline Vibration Abnormity Identification Method. The invention was developed by Wang Zezhong, Wei Fei, Zhang Lei, Bai Dingrong, Xu Mei, Zhu Chang and Zhang Ch..

Robert Bosch Co Limited Submits Chinese Patent Application for Method and Device for Controlling Throttle Valve in Intake Pipe of Internal Combustion Engine

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Robert Bosch Co Limited has submitted a patent application for Method and Device for Controlling Throttle Valve in Intake Pipe of Internal Combustion Engine. This invention was developed by Vaquero Romain and Otto Stephan. The patent application number is CN202511578759 20251031. The patent publication num..

Tongling Nonferrous Stock Anqing Yueshan Mining Co Ltd Submits Chinese Patent Application for Method for Reducing Pressure of High-fall Underground Filling Pipeline

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Tongling Nonferrous Stock Anqing Yueshan Mining Co Ltd has submitted a patent application for Method for Reducing Pressure of High-fall Underground Filling Pipeline. This invention was developed by Wang Linghui, Zhang Mingsheng, Li Zhigang, Wu Yong and Wei Yuchun. The patent application number is CN2026101..

State Intellectual Property Office of China Receives Hunan Hengkai Environmental Protection Tech Investment Co Ltd Patent Application for Anti-blocking Device for Aeration Pipe of ..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has received Hunan Hengkai Environmental Protection Tech Investment Co Ltd patent application for Anti-blocking Device for Aeration Pipe of Biochemical Pool. Lin Xiaomin, Liu Zhiyong, Wang Yijie, Hu Xian, Long Xia, Zhang Saihui, Li Wei, Hu Youquan, Nie Fang and Long..

Shaanxi Huayu Yongtai New Mat Co Ltd Submits Chinese Patent Application for Wire Winding Device for Steel Wire Mesh Framework Composite Pipe

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Shaanxi Huayu Yongtai New Mat Co Ltd has submitted a patent application for Wire Winding Device for Steel Wire Mesh Framework Composite Pipe. This invention was developed by Zhang Shuxing. The patent application number is CN202610291389 20260311. The patent publication number is CN121990413 (A). Internatio..

Jiangsu Weishengda Resource Cycle Tech Co Ltd Files Chinese Patent Application for Coil Pipe Device for Large Low-temperature Evaporation Equipment, Large Low-temperature Evaporati..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Jiangsu Weishengda Resource Cycle Tech Co Ltd has filed a patent application for Coil Pipe Device for Large Low-temperature Evaporation Equipment, Large Low-temperature Evaporation Equipment and Operation Method. This invention was developed by Chen Guangming, Liang Rongxian, Liu Chenxi and Shen Shuhuan. T..

State Intellectual Property Office of China Publishes Guangdong Huaqi Fire Eng Co Ltd Patent Application for BIM (building Information Modeling)-based Fire-fighting Pipeline Prefab..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has published Guangdong Huaqi Fire Eng Co Ltd patent application for BIM (building Information Modeling)-based Fire-fighting Pipeline Prefabrication Full-process Optimization Method and System. The invention was developed by Huang Huaqiang, Lai Qicheng, He Jiayan an..

State Intellectual Property Office of China Publishes Harbin Institute of Tech Weihai Patent Application for Method for Forecasting Vibration Response Numerical Value of Cantilever..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has published Harbin Institute of Tech Weihai patent application for Method for Forecasting Vibration Response Numerical Value of Cantilever Type Deep-sea Mining Pipeline Under External Flow Excitation. The invention was developed by Qi Zhengyang, Ching Chi Hong, Ga..

State Intellectual Property Office of China Releases Powerchina Kunming Engineering Corporation and Huaneng Lancang River Hydropower Patent Application for Bim-based Hydraulic Jack..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has released Powerchina Kunming Engineering Corporation and Huaneng Lancang River Hydropower patent application for Bim-based Hydraulic Jacking Equipment Pipeline Dynamic Optimization Layout Method and System. This invention was developed by Li Bin, Cui Zhi, Chen Xi..

State Intellectual Property Office of China Releases Shandong Nuohuan Construction Eng Co Ltd Patent Application for Heat Supply Network Model Optimization Method Based on Heat Sup..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has released Shandong Nuohuan Construction Eng Co Ltd patent application for Heat Supply Network Model Optimization Method Based on Heat Supply Pipeline Network Topology Transformation. This invention was developed by Zhang Lijuan, Liu Xuemei, Zhang Hanqing, Li Shic..

Cnnc Shaanxi Uranium Enrichment Co Ltd Files Chinese Patent Application for Method for Determining Structure of Pipeline Connecting Device and Pipeline Connecting Device

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Cnnc Shaanxi Uranium Enrichment Co Ltd has filed a patent application for Method for Determining Structure of Pipeline Connecting Device and Pipeline Connecting Device. This invention was developed by Huang Yuquan, Guan Chengming, Wan Yu, Chen Yonghan, Jin Xiaodong, Wang Jinxing, Feng Xuezhi, Wang Zeming, Ton..

State Intellectual Property Office of China Publishes Nansha Grain General Terminal Branch Of Guangzhou Port Co Limited and Hefei Honen Mechanical & Electronic Tech Co Ltd Patent A..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has published Nansha Grain General Terminal Branch Of Guangzhou Port Co Limited and Hefei Honen Mechanical & Electronic Tech Co Ltd patent application for Dynamic Dust Concentration and Air Network Balance Optimization Method and System in Dust Removal Equipment Pip..

Jung Jae Wook Submits Korean Patent Application for Self-generation System by Solar Modules in Large-scale Excellent Storage Tanks Using Waveform Steel Pipes for Underground Burial

Pipe

| Fri 31 Jul 2026

Seoul, July 31 -- Jung Jae Wook has submitted a patent application for Self-generation System by Solar Modules in Large-scale Excellent Storage Tanks Using Waveform Steel Pipes for Underground Burial. This invention was developed by Jung Jae Wook. The patent application number is KR20230092985 20230718. The patent publication..

Korean Intellectual Property Office Releases Iksanchain Co Ltd Patent Application for Automatic Eggshell Manufacturing Device for Jewelry Using a Pipe

Pipe

| Fri 31 Jul 2026

Seoul, July 31 -- Korean Intellectual Property Office has released Iksanchain Co Ltd patent application for Automatic Eggshell Manufacturing Device for Jewelry Using a Pipe. This invention was developed by Koo Ja Won. The patent application number is KR20230092965 20230718. The patent publication number is KR20250012867 (A). ..

Jeon Young Woo Submits Patent Application for Paper Pipe Cutting Apparatus

Pipe

| Thu 30 Jul 2026

Seoul, July 31 -- Jeon Young Woo has submitted a patent application for Paper Pipe Cutting Apparatus. The patent application number is KR20230092120 20230716. The patent publication number is KR20250012018 (A). International Patent Classification codes are B26D3/16, B26D5/00, B26D5/08, B26D7/18 and B26D7/26. Cooperative Pate..

Ningbo City Water Supply Water Quality Monitoring Station Co Ltd Files Chinese Patent Application for Intelligent Early Warning System and Method for Leakage Risk of Large-diameter..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Ningbo City Water Supply Water Quality Monitoring Station Co Ltd has filed a patent application for Intelligent Early Warning System and Method for Leakage Risk of Large-diameter Pipeline. This invention was developed by Chen Lili, Wang Qunbiao, Sun Tianyu, Mao Hui, Yue Xiehui, Chen Lijin and Liu Zhigang. ..

Jinan Water Service Center Jinan Water Conservation Service Center Submits Chinese Patent Application for Self-adaptive Flow Adjusting Device for Water Supply and Drainage Branch P..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Jinan Water Service Center Jinan Water Conservation Service Center has submitted a patent application for Self-adaptive Flow Adjusting Device for Water Supply and Drainage Branch Pipe. This invention was developed by Zhao Lei, Hu Yingjie, Jia Hongyu, Jiang Jingyan, Wang Yanhe and Zhang Keming. The patent a..

State Intellectual Property Office of China Publishes Yongyu Env Governance Taizhou Co Ltd Patent Application for Underwater Pipeline Repairing Mechanism

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has published Yongyu Env Governance Taizhou Co Ltd patent application for Underwater Pipeline Repairing Mechanism. The invention was developed by Song Ping. The patent application number is CN202610180512 20260209. The patent publication number is CN121993690 (A)..

China West Construction Building Materials Science Research Inst Co Ltd Submits Chinese Patent Application for Non-excavation Repair Pipeline and Preparation Method Thereof

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- China West Construction Building Materials Science Research Inst Co Ltd has submitted a patent application for Non-excavation Repair Pipeline and Preparation Method Thereof. This invention was developed by Jin Zihao, Yan Songling, Ye Zi, Zhang Rui, Gao Yuxin, Han Wenjin, Liu Ming and Zeng Chao. The patent ..

State Intellectual Property Office of China Releases Guangxi Haotianfeng Tech Co Ltd Patent Application for Shape-maintaining Multi-layer Anti-explosion Pe Pipe

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has released Guangxi Haotianfeng Tech Co Ltd patent application for Shape-maintaining Multi-layer Anti-explosion Pe Pipe. This invention was developed by Shangguan Zhendong. The patent application number is CN202610282371 20260310. The patent publication number i..

State Intellectual Property Office of China Releases Wang Chen Patent Application for Quick Coupling and Anti-falling Device of Fire Hose

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has released Wang Chen patent application for Quick Coupling and Anti-falling Device of Fire Hose. The patent application number is CN202610434729 20260403. The patent publication number is CN121993677 (A). International Patent Classification codes are A62C33/00..

Shanghai Huoliang New Energy Tech Co Ltd Seeks Patent for Water-cooling Pipeline Quick-insertion Connecting Structure

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Shanghai Huoliang New Energy Tech Co Ltd has sought patent for Water-cooling Pipeline Quick-insertion Connecting Structure. This invention was developed by Tang Longjiang, Shen Fang and Chen Jie. The patent application number is CN202411580661 20241107. The patent publication number is CN121993675 (A). Int..

Tan Shi Seeks Patent for Self-adjusting Pipeline for Petroleum and Natural Gas Transportation

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Tan Shi has sought patent for Self-adjusting Pipeline for Petroleum and Natural Gas Transportation. This invention was developed by Wang Zhenghe, Tan Shi and Liu Chenchen. The patent application number is CN202511936282 20251222. The patent publication number is CN121993671 (A). International Patent Classi..

State Intellectual Property Office of China Releases Hebei Jinxing Tech Co Ltd Patent Application for Brake Hose with Low Expansion Performance

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has released Hebei Jinxing Tech Co Ltd patent application for Brake Hose with Low Expansion Performance. This invention was developed by Liu Xiaoqian, Lee Yeong Chae, Gao Yi, Wang Baole and Jiao Mei. The patent application number is CN202610311267 20260314. The p..

State Intellectual Property Office of China Releases Suzhou Green New Material Tech Co Ltd Patent Application for Double-layer Metal Flexible Connecting Pipe and Manufacturing Proc..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has released Suzhou Green New Material Tech Co Ltd patent application for Double-layer Metal Flexible Connecting Pipe and Manufacturing Process. This invention was developed by Song Zhengfang, Ni Xudong and Song Zhengquan. The patent application number is CN20261..

Jiangsu Zhengdao Flammable Ice Pipeline Co Ltd Seeks Patent for Non-adhesive Flexible Composite Pipe

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Jiangsu Zhengdao Flammable Ice Pipeline Co Ltd has sought patent for Non-adhesive Flexible Composite Pipe. This invention was developed by Shan Xiao, Jiang Ming and Xia Pingyuan. The patent application number is CN202610262045 20260305. The patent publication number is CN121993668 (A). International Patent..

Guangdong Zhouqi Pipe Tech Co Ltd Submits Chinese Patent Application for Polyolefin Alloy Material Double-wall Corrugated Pipe

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Guangdong Zhouqi Pipe Tech Co Ltd has submitted a patent application for Polyolefin Alloy Material Double-wall Corrugated Pipe. This invention was developed by Chen Waisong. The patent application number is CN202411589265 20241108. The patent publication number is CN121993664 (A). International Patent Clas..

Shanghai Investigation Design & Research Institute Co Ltd Submits Chinese Patent Application for Anti-seepage Through-wall Pipeline Structure and Construction Method

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Shanghai Investigation Design & Research Institute Co Ltd has submitted a patent application for Anti-seepage Through-wall Pipeline Structure and Construction Method. This invention was developed by Wang Chaohui, Su Aiping, Gui Qing, Chen Mingnan and Xu Feng. The patent application number is CN202610403209..

Inner Mongolia Yidian Energy Co Ltd Files Chinese Patent Application for Gas Pipeline Transportation Pressure Adjusting Device

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Inner Mongolia Yidian Energy Co Ltd has filed a patent application for Gas Pipeline Transportation Pressure Adjusting Device. This invention was developed by Wang Mingduo and Li Shuai. The patent application number is CN202610302434 20260312. The patent publication number is CN121993638 (A). International ..

Cnbm Xuzhou Heavy Machinery Co Ltd Files Chinese Patent Application for Double-plate Valve Device for Preheater Discharging Pipe and Using Method of Double-plate Valve Device

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Cnbm Xuzhou Heavy Machinery Co Ltd has filed a patent application for Double-plate Valve Device for Preheater Discharging Pipe and Using Method of Double-plate Valve Device. This invention was developed by Dou Bowen, Shi Hong, Li Hongcui, Feng Junjie, Zhu Gengwu, Ma Xiaozhi and Ding Rui. The patent applica..

Shuifa Beijing Construction Co Ltd Submits Chinese Patent Application for Rain Sewage Pipeline Mounting Structure and Construction Method

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Shuifa Beijing Construction Co Ltd has submitted a patent application for Rain Sewage Pipeline Mounting Structure and Construction Method. This invention was developed by Zhao Haitao, Guo Xin, Li Tianhang, Lu Jianjun, Lyu Chao, Xing Zunlei, Shan Baohua, Zhang Nianshuai, Sun Hongjian and Xue Jianyi. The pat..

Xinjiang Qiangzhou Glass Pipe Ind Co Ltd Submits Chinese Patent Application for City Fiber Composite Material Spiral Rib Hollow Pipe Gallery and Preparation Method Thereof

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Xinjiang Qiangzhou Glass Pipe Ind Co Ltd has submitted a patent application for City Fiber Composite Material Spiral Rib Hollow Pipe Gallery and Preparation Method Thereof. This invention was developed by Lyu Mohan, Lyu Shibin and Lyu He. The patent application number is CN202411577912 20241107. The patent..

State Intellectual Property Office of China Releases CCCC Second Harbour Engineering Co Ltd Patent Application for Underwater Concrete Pouring Guide Pipe Regulation and Control Sys..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has released CCCC Second Harbour Engineering Co Ltd patent application for Underwater Concrete Pouring Guide Pipe Regulation and Control System and Regulation and Control Method Thereof. This invention was developed by Li Xuesong, Lyu Shuangjiang, Li Jiacheng, Meng ..

State Intellectual Property Office of China Releases Jiangsu Dingpan Electric Power Tech Co Ltd Patent Application for Feeding Device for PVC Pipe Production

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has released Jiangsu Dingpan Electric Power Tech Co Ltd patent application for Feeding Device for PVC Pipe Production. This invention was developed by Li Minchao and Li Jinchao. The patent application number is CN202311784491 20231223. The patent publication numb..

Qingdao Haixi Plastic Machinery Co Ltd Applies for Patent on Spraying and Winding Thermal Insulation Pipe Production Equipment

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Qingdao Haixi Plastic Machinery Co Ltd has applied Chinese patent for Spraying and Winding Thermal Insulation Pipe Production Equipment. Jia E, Bi Hongjie, An Zhentao and Zhou Xianming developed it. The patent application number is CN202610228988 20260226. The patent publication number is CN121988789 (A). ..

Hebei Bozhi Energy Environmental Prot Co Ltd Submits Chinese Patent Application for Casting Equipment and Casting Method for Metal Wear-resistant Pipe

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Hebei Bozhi Energy Environmental Prot Co Ltd has submitted a patent application for Casting Equipment and Casting Method for Metal Wear-resistant Pipe. This invention was developed by Wang Yufeng, Zhang Jing and Chang Xiaoyu. The patent application number is CN202610193804 20260210. The patent publication ..

Cangzhou Yongxin Casting Co Ltd Submits Patent Application for High-toughness Nodular Cast Iron Pipe Fitting and Preparation Method Thereof

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Cangzhou Yongxin Casting Co Ltd has submitted a patent application for High-toughness Nodular Cast Iron Pipe Fitting and Preparation Method Thereof. Zhang Yu, Zhang Hongwang, Ye Liansheng, Liu Shuangdong, Chang Baohai, Han Junlai, Yuan Jinping and Gao Liang developed the invention. The patent application n..

State Intellectual Property Office of China Releases Qiyang Hongtai Aluminum Ind Co Ltd Patent Application for Automatic Feeding and Discharging Round Pipe Double-end Flattening Di..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has released Qiyang Hongtai Aluminum Ind Co Ltd patent application for Automatic Feeding and Discharging Round Pipe Double-end Flattening Die. This invention was developed by Jiang Guofu, Jiang Jiashen, Feng Gangzhi, Jiang Youming and Huang Jianguo. The patent ap..

Tianjin Tianke Prec Equipment Co Ltd Submits Chinese Patent Application for Shunt Pipe Bending Device

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Tianjin Tianke Prec Equipment Co Ltd has submitted a patent application for Shunt Pipe Bending Device. This invention was developed by Fu Tenglong and Kong Debao. The patent application number is CN202610333693 20260318. The patent publication number is CN121988650 (A). International Patent Classification ..

State Intellectual Property Office of China Publishes Shanghai Civil Aviation College Patent Application for Bending Equipment for Fuel Guide Pipe of Aero-engine

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has published Shanghai Civil Aviation College patent application for Bending Equipment for Fuel Guide Pipe of Aero-engine. The invention was developed by Wang Hongming and Wang Zhihao. The patent application number is CN202610315524 20260316. The patent publicati..

Shenzhen Ibbtek Co Ltd Submits Patent Application for Sorting Device for Chemical Synthetic Material Plastic Pipes of Multiple Specifications

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Shenzhen Ibbtek Co Ltd has submitted a patent application for Sorting Device for Chemical Synthetic Material Plastic Pipes of Multiple Specifications. Zhou Tong, Zhang Tuan and Wang Jihuang developed the invention. The patent application number is CN202610381472 20260326. The patent publication number is C..

Zhejiang Yinjia Copper Co Ltd Submits Chinese Patent Application for Coating Equipment for Corrugated Evaporating Pipe

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Zhejiang Yinjia Copper Co Ltd has submitted a patent application for Coating Equipment for Corrugated Evaporating Pipe. This invention was developed by Fang Fang and Ding Zie. The patent application number is CN202610314118 20260316. The patent publication number is CN121988506 (A). International Patent Cl..

Huadian Yili Coal & Electricity Co Ltd Seeks Patent for Boiler Pipeline Stress Monitoring System

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Huadian Yili Coal & Electricity Co Ltd has sought patent for Boiler Pipeline Stress Monitoring System. This invention was developed by Han Shunshun, Cao Teng and Zhou Peng. The patent application number is CN202511931301 20251219. The patent publication number is CN121996941 (A). International Patent Class..

State Intellectual Property Office of China Releases Guangzhou Gas Group Co Ltd and Beijing Jas Technical Service Co Ltd Patent Application for Pipe Network Damage Point Data Mergi..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has released Guangzhou Gas Group Co Ltd and Beijing Jas Technical Service Co Ltd patent application for Pipe Network Damage Point Data Merging Processing Method and Device and Storage Medium. This invention was developed by Cui Jingtao, Yang Yadong, Zhong Lin and Ze..

Korean Intellectual Property Office Receives Hub Fire Tech Co Ltd and Korea Fire Inst Patent Application for Fire Hose Connection Valve

Pipe

| Fri 31 Jul 2026

Seoul, July 31 -- Korean Intellectual Property Office has received Hub Fire Tech Co Ltd and Korea Fire Inst patent application for Fire Hose Connection Valve. Jung In Ji, Lee Sung Woo, Kim Jong Sang, Park Deok Gyu and Kim Jae Hoon developed the invention. The patent application number is KR20230092512 20230717. The patent pub..

State Intellectual Property Office of China Publishes Tianjin Huaneng Yangliuqing Thermal Power and Xi'an Thermal Power Research Inst Co Ltd Patent Application for Scanning Device ..

Pipe

| Thu 30 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has published Tianjin Huaneng Yangliuqing Thermal Power and Xi'an Thermal Power Research Inst Co Ltd patent application for Scanning Device for Phased Array Detection of Large-diameter High-temperature Pipeline Special-shaped Component. The invention was developed b..

State Intellectual Property Office of China Receives Wuhan Mingchen Welding Nondestructive Testing Co Ltd Patent Application for Gas Pipeline Flaw Detection Equipment and Flaw Dete..

Pipe

| Thu 30 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has received Wuhan Mingchen Welding Nondestructive Testing Co Ltd patent application for Gas Pipeline Flaw Detection Equipment and Flaw Detection Method Thereof. Zhong Zhenyang, Liu Huiling, Shi Haoying, Chen Xun, Ji Shiqi, Wang Jiafa, Gan Fu, Peng Shaoquan, Jia Xin..

State Intellectual Property Office of China Receives Shaoxing Power Supply Co State Grid Zhejiang Electric Power Co Patent Application for X-ray Detection Method of Four-bundle Con..

Pipe

| Thu 30 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has received Shaoxing Power Supply Co State Grid Zhejiang Electric Power Co patent application for X-ray Detection Method of Four-bundle Conductor Tension Crimping Pipe. Ni Hongyu, Huang Xiaoguang, Zhou Xiaoyu, Xu Gaofeng, Zhao Feng, Wang Liting, Cai Jidong, Hao Hou..

State Intellectual Property Office of China Releases China Petroleum and Natural Gas Pipeline Communication Power Eng Co Ltd, China Petroleum Pipeline Engineering Co Ltd, China Pet..

Pipe

| Thu 30 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has released China Petroleum and Natural Gas Pipeline Communication Power Eng Co Ltd, China Petroleum Pipeline Engineering Co Ltd, China Petroleum Pipeline Engineering Corp and China National Petroleum patent application for Multi-component Gas Concentration Monitor..

State Intellectual Property Office of China Publishes Linhai Weixing New Building Materials and Zhejiang Weixing New Building Materials Co Ltd Patent Application for Device for Det..

Pipe

| Thu 30 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has published Linhai Weixing New Building Materials and Zhejiang Weixing New Building Materials Co Ltd patent application for Device for Detecting Creep Resistance of PPR Pipe Fitting. The invention was developed by Zhang Mingzhi, Zhu Jianfeng and Zhu Dongjie. Th..

Chongqing Wecan Prec Instruments Co Ltd Files Chinese Patent Application for Pipe Core, Ultrasonic Water Meter and Pipe Core Manufacturing Process

Pipe

| Thu 30 Jul 2026

Beijing, July 31 -- Chongqing Wecan Prec Instruments Co Ltd has filed a patent application for Pipe Core, Ultrasonic Water Meter and Pipe Core Manufacturing Process. This invention was developed by Zhao Jing, He Bingwei, Tang Guoqiang and Xu Shangtong. The patent application number is CN202610181781 20260209. The patent publi..

Beijing Soundchain Tech Co Ltd Submits Patent Application for Anti-freezing Ultrasonic Water Meter Pipe Section Structure and Ultrasonic Water Meter

Pipe

| Thu 30 Jul 2026

Beijing, July 31 -- Beijing Soundchain Tech Co Ltd has submitted a patent application for Anti-freezing Ultrasonic Water Meter Pipe Section Structure and Ultrasonic Water Meter. Xu Haitao, Wang Zhifeng and Wang Qinglong developed the invention. The patent application number is CN202610412565 20260331. The patent publication n..

State Intellectual Property Office of China Releases Nanjing Zhongte Chemical Power Equipment Co Ltd Patent Application for Intelligent Vibration Reduction Pipe Bracket Online Moni..

Pipe

| Thu 30 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has released Nanjing Zhongte Chemical Power Equipment Co Ltd patent application for Intelligent Vibration Reduction Pipe Bracket Online Monitoring System and Method. This invention was developed by Liu Congcong, Chen Changlin, Wei Yang, Feng Haitao and Wei Xiaoping...

State Intellectual Property Office of China Publishes Jiangsu Aimaite Machinery Mfg Co Ltd Patent Application for Corrugated Pipe Pitch Thickness Measuring Device

Pipe

| Thu 30 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has published Jiangsu Aimaite Machinery Mfg Co Ltd patent application for Corrugated Pipe Pitch Thickness Measuring Device. The invention was developed by Zhou Xiaolan. The patent application number is CN202610466450 20260410. The patent publication number is CN1..

State Intellectual Property Office of China Publishes China Petroleum And Natural Gas Pipeline Communication Power Eng Co Ltd, China Petroleum Pipeline Engineering Co Ltd, China Pe..

Pipe

| Thu 30 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has published China Petroleum And Natural Gas Pipeline Communication Power Eng Co Ltd, China Petroleum Pipeline Engineering Co Ltd, China Petroleum Pipeline Engineering Corp and China National Petroleum patent application for Strain Monitoring System and Optical Cab..

State Intellectual Property Office of China Receives Zhejiang Compressed Fluid Tech Co Ltd Patent Application for Method for Measuring Size of Inner Wall of Long and Narrow Metal P..

Pipe

| Thu 30 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has received Zhejiang Compressed Fluid Tech Co Ltd patent application for Method for Measuring Size of Inner Wall of Long and Narrow Metal Pipeline. Qi Zhenning and Gong Yueqiang developed the invention. The patent application number is CN202610412474 20260331. T..

State Intellectual Property Office of China Publishes Zhejiang Rongji Kechuang Co Ltd Patent Application for Multi-heat-source Heat Pipe System Capable of Adjusting Heat Transfer P..

Pipe

| Thu 30 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has published Zhejiang Rongji Kechuang Co Ltd patent application for Multi-heat-source Heat Pipe System Capable of Adjusting Heat Transfer Path. The invention was developed by Chen Rongwang, Zhang Zhen, Wu Jintao, Zhang Jianqiu and Wu Yongbing. The patent applica..

Beijing Institute of Geological & Prospecting Engineering Co Ltd Applies for Patent on Anti-floating Steel Pipe Pile Structure of Existing Underground Structure Driven by Lead Scre..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Beijing Institute of Geological & Prospecting Engineering Co Ltd has applied Chinese patent for Anti-floating Steel Pipe Pile Structure of Existing Underground Structure Driven by Lead Screw Motor to Unfold Anchor Flukes and Construction Method. Tian Ming, Yang Chunying, Ding Xichen, Wang Weixian, Zhang Ruina..

State Intellectual Property Office of China Receives Shandong Fuyoude Environmental Prot Engineering Co Ltd Patent Application for Neutral Cleaning Agent for Rust Removal of Chemic..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has received Shandong Fuyoude Environmental Prot Engineering Co Ltd patent application for Neutral Cleaning Agent for Rust Removal of Chemical Pipeline and Use Method of Neutral Cleaning Agent. Fang Chao and Ji Guangcheng developed the invention. The patent appli..

State Intellectual Property Office of China Publishes Yima High Tech Dev Jiangsu Co Ltd Patent Application for High-strength Pipe Pile Steel Die and Machining and Forming Process T..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has published Yima High Tech Dev Jiangsu Co Ltd patent application for High-strength Pipe Pile Steel Die and Machining and Forming Process Thereof. The invention was developed by Shi Lixia. The patent application number is CN20251217351 20251230. The patent publi..

Jiangsu Huaguang Holding Group Co Ltd Submits Patent Application for Offshore Pipe Pile Double-layer Sintered Epoxy Powder and Preparation Method Thereof

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Jiangsu Huaguang Holding Group Co Ltd has submitted a patent application for Offshore Pipe Pile Double-layer Sintered Epoxy Powder and Preparation Method Thereof. Wang Xiaoqiang, Pan Xutao, Wei Qiancheng and Pan Jianliang developed the invention. The patent application number is CN20261061374 20260116. The..

State Intellectual Property Office of China Publishes Gansu Yuandong Urban Duct Co Ltd Patent Application for Heat Preservation and Corrosion Prevention Type Heat Preservation Pipe..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has published Gansu Yuandong Urban Duct Co Ltd patent application for Heat Preservation and Corrosion Prevention Type Heat Preservation Pipe Bypassing Device and Method. The invention was developed by Guo Zhenwen and Guo Baozhong. The patent application number is..

State Intellectual Property Office of China Publishes Dongying Guangyou Rubber Co Ltd Patent Application for High-flexibility Pressure-resistant Rubber Hose and Preparation Method ..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has published Dongying Guangyou Rubber Co Ltd patent application for High-flexibility Pressure-resistant Rubber Hose and Preparation Method Thereof. The invention was developed by Li Yuejun and Lee Jae Kyoung. The patent application number is CN202610468753 20260..

Nantong Huixin New Material Tech Co Ltd Applies for Patent on Novel Composite Pipe Forming Process

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Nantong Huixin New Material Tech Co Ltd has applied Chinese patent for Novel Composite Pipe Forming Process. Chen Yaxi, Qian Feng and Xue Zhengzhong developed it. The patent application number is CN202610218673 20260224. The patent publication number is CN121989507 (A). International Patent Classification ..

State Intellectual Property Office of China Publishes Weihai Pinghe Composite Mat Co Ltd Patent Application for Integrated Water Collecting Pipe for Racing Boat and Preparation Met..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has published Weihai Pinghe Composite Mat Co Ltd patent application for Integrated Water Collecting Pipe for Racing Boat and Preparation Method of Integrated Water Collecting Pipe. The invention was developed by Xin Jun, Li Xiaojuan, Gao Shuyin, Chou Weipeng and Xu ..

Hunan Dongqing Pipeline Tech Co Ltd Submits Patent Application for Flaring Device for HDPE Double-wall Corrugated Pipe Production

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Hunan Dongqing Pipeline Tech Co Ltd has submitted a patent application for Flaring Device for HDPE Double-wall Corrugated Pipe Production. Xiong Anjun developed the invention. The patent application number is CN202610273391 20260306. The patent publication number is CN121989434 (A). International Patent Cl..

State Intellectual Property Office of China Receives Jiangxi University of Water Resources And Electric Power Patent Application for Multi-cavity Pipe Double-layer Gas-assisted Ext..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has received Jiangxi University of Water Resources And Electric Power patent application for Multi-cavity Pipe Double-layer Gas-assisted Extrusion Control Method and System with Radial Blade Pressure Regulator. Rong Hao, Wang Songtao, Liu Hesheng, Jiang Shiyu, Huang..

Xi'an Liyuan New Material Tech Development Co Ltd Applies for Patent on Copper Foil Adhesive Tape Pipe Cutting Device

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Xi'an Liyuan New Material Tech Development Co Ltd has applied Chinese patent for Copper Foil Adhesive Tape Pipe Cutting Device. Li Tianyu and Li Zhenyun developed it. The patent application number is CN202610432733 20260403. The patent publication number is CN121989313 (A). International Patent Classificat..

Changshu Zhaoheng Zhongli Prec Machinery Co Ltd Applies for Patent on Method for Treating Inner Surface of Stainless Steel Gas Pipe Assembly for Semiconductor

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Changshu Zhaoheng Zhongli Prec Machinery Co Ltd has applied Chinese patent for Method for Treating Inner Surface of Stainless Steel Gas Pipe Assembly for Semiconductor. Xiao Ming developed it. The patent application number is CN202610174816 20260206. The patent publication number is CN121989155 (A). Intern..

Ningbo Xuncheng Intelligent Equipment Co Ltd Applies for Patent on Annular Abrasive Belt Polishing Device for Pipes

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Ningbo Xuncheng Intelligent Equipment Co Ltd has applied Chinese patent for Annular Abrasive Belt Polishing Device for Pipes. Li Lanchang and Li Guitang developed it. The patent application number is CN202610273671 20260306. The patent publication number is CN121989136 (A). International Patent Classificat..

State Intellectual Property Office of China Receives Shanxi Xinrisheng New Material Tech Co Ltd and Shanxi Wanliu Metal Products Co Ltd Patent Application for Grinding Device and G..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has received Shanxi Xinrisheng New Material Tech Co Ltd and Shanxi Wanliu Metal Products Co Ltd patent application for Grinding Device and Grinding Method for Spiral Welded Pipe Machining. Yang Heping, Li Xiaoxia, Li Xiaodan and Yang Xin developed the invention. ..

Guangdong Fuweide Co Ltd Seeks Patent for Production Line for Titanium Alloy Continuous Pipe Making

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Guangdong Fuweide Co Ltd has sought patent for Production Line for Titanium Alloy Continuous Pipe Making. This invention was developed by Liu Zhizhong, Ye Xiongyue, Luo Xunqi, Xie Tingjin, Zhong Shaotao and Liang Chunli. The patent application number is CN20241098161 20240123. The patent publication number..

State Intellectual Property Office of China Receives Ding Wenwen Patent Application for Fire Extinguishing Pipe Cutting Device for Fire Fighting

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has received Ding Wenwen patent application for Fire Extinguishing Pipe Cutting Device for Fire Fighting. The patent application number is CN202610317360 20260316. The patent publication number is CN121989051 (A). International Patent Classification codes are B2..

Huangshan Sanjia Yihua Prec Machine Co Ltd Submits Chinese Patent Application for Automatic Inserting Production Line for Connecting U-shaped Pipes of Heat Exchanger

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Huangshan Sanjia Yihua Prec Machine Co Ltd has submitted a patent application for Automatic Inserting Production Line for Connecting U-shaped Pipes of Heat Exchanger. This invention was developed by Guo Wei, Chen Tao, Wu Jianfeng, Jin Tiejun, Zhu Mengchen and Wu Jianjun. The patent application number is CN..

Yuyao Jiamei Sanitary Equipment Co Ltd Applies for Patent on Automatic Assembling Machine for Water Heating Shower Pipe

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Yuyao Jiamei Sanitary Equipment Co Ltd has applied Chinese patent for Automatic Assembling Machine for Water Heating Shower Pipe. Chen Jianyong developed it. The patent application number is CN202610306725 20260313. The patent publication number is CN121989033 (A). International Patent Classification codes..

Hunan Changhui Machinery Mfg Co Ltd Files Chinese Patent Application for Welding Device for Metal Pipe Fitting

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Hunan Changhui Machinery Mfg Co Ltd has filed a patent application for Welding Device for Metal Pipe Fitting. This invention was developed by Tang Zhihong, Wen Quan and Deng Jiusheng. The patent application number is CN202610318548 20260316. The patent publication number is CN121988974 (A). International P..

State Intellectual Property Office of China Receives Xinjiang Jinshen Tube Industry Limited Co Patent Application for Steel Cylinder Assembling and Welding Equipment for Steel Cyli..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has received Xinjiang Jinshen Tube Industry Limited Co patent application for Steel Cylinder Assembling and Welding Equipment for Steel Cylinder Concrete Pipe Machining. Wang Zhan and Li Su developed the invention. The patent application number is CN202610421774 ..

Jinan Xintai Forging Co Ltd Seeks Patent for Bent Pipe Flange Welding Tool and Automatic Calibration Method

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Jinan Xintai Forging Co Ltd has sought patent for Bent Pipe Flange Welding Tool and Automatic Calibration Method. This invention was developed by Wang Enyang, Wang Jingwen, Wang Baohua and Wang Xinju. The patent application number is CN202610363439 20260324. The patent publication number is CN121988954 (A)..

State Intellectual Property Office of China Releases Guangdong Wangong Ind Co Ltd Patent Application for Ship Pipe Fitting Welding Device

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has released Guangdong Wangong Ind Co Ltd patent application for Ship Pipe Fitting Welding Device. This invention was developed by Chen Teng, Li Jianming, Wang Guifeng and He Dehua. The patent application number is CN202410311027 20240319. The patent publication ..

State Intellectual Property Office of China Publishes Guyuan Ningnan Sifang Tech Co Ltd Patent Application for Rapid Clamping and Cutting Device for Laser Pipe Cutting and Capable ..

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has published Guyuan Ningnan Sifang Tech Co Ltd patent application for Rapid Clamping and Cutting Device for Laser Pipe Cutting and Capable of Improving Material Utilization Rate. The invention was developed by Li Bo and Li Liang. The patent application number is..

Beijing Institute of Mechanical Equipment Submits Chinese Patent Application for Flow Stabilizing Device for Flow Field in High-temperature and High-pressure Fuel Gas Spray Pipe

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Beijing Institute of Mechanical Equipment has submitted a patent application for Flow Stabilizing Device for Flow Field in High-temperature and High-pressure Fuel Gas Spray Pipe. This invention was developed by Yin Chuanhao, Cui Guangzhi, Ji Meng, Meng Qingyu, Wang Chenyu and Ma Jun. The patent application n..

State Intellectual Property Office of China Releases Mitsubishi Heavy Industries Patent Application for Exhaust Pipeline and Gas Turbine Equipment

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- State Intellectual Property Office of China has released Mitsubishi Heavy Industries patent application for Exhaust Pipeline and Gas Turbine Equipment. This invention was developed by Ito Takanori, Aota Toyosei, Konishi Eiji, Hatano Kohei, Machii Kotaro, Takada Tomonari, Hiraoka Satoshi, Tanabe Yu, Tsumura Yo..

Nanjing University of Science & Technology Submits Chinese Patent Application for Dynamic Stirrer for Hydraulic Impact Solid-liquid Pipeline

Pipe

| Fri 31 Jul 2026

Beijing, July 31 -- Nanjing University of Science & Technology has submitted a patent application for Dynamic Stirrer for Hydraulic Impact Solid-liquid Pipeline. This invention was developed by Li Bin, Xie Lifeng, Feng Weier, Li Chenliang, Ye Taotao, Wang Yongxu and Zhang Jing. The patent application number is CN202411581154 20..

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