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Pipe
| Fri 24 Apr 2026
Beijing, April 25 -- State Intellectual Property Office of China has released Guangzhou Medical University and Guangzhou National Laboratory patent application for Gas Circuit Pipeline Structure of Pulse Oscillation Lung Function Detector. This invention was developed by Liu Wei, Kong Jielin, Huang Wenkang, Yuan Ye, Zhang Jiaxin..
Pipe
| Fri 24 Apr 2026
Alexandria, April 25 -- Able Luke has received a patent for Pipe Alignment Device.
The patent application number is US202318229752 20230803. The patent publication number is US12607445 (B2). International Patent Classification code is G01B5/24. Cooperative Patent Classification code is G01B5/24 (EP, US).
U.S. Patent and T..
Pipe
| Fri 24 Apr 2026
Alexandria, April 25 -- Envirobot GmbH & Co KG has been granted a patent for System and Method for Cleaning and/or Inspecting a Pipeline. Matt Frank developed the invention.
The patent application number is US202318322946 20230524. The patent publication number is US12607287 (B2). International Patent Classification codes are..
Pipe
| Fri 24 Apr 2026
Alexandria, April 25 -- Mcmillan Jaron Lyell has received a patent for Pipe Coupling.
The patent application number is US202017621077 20200611. The patent publication number is US12607281 (B2). International Patent Classification codes are E21B17/046, F16L21/00 and F16L25/08. Cooperative Patent Classification codes are E21..
Pipe
| Fri 24 Apr 2026
Alexandria, April 25 -- U.S. Patent and Trademark Office has awarded a patent to Econnect Energy As for Hang-off System and Method for Use of Hang-off System. Agerup Jørgen Fredrik and Knutsen David Mikal developed the invention.
The patent application number is US202318861434 20230505. The patent publication number is US126..
Pipe
| Fri 24 Apr 2026
Alexandria, April 25 -- Cooper Standard Automotive Deutschland GmbH has secured a patent on Union Screw for a Pipeline Provided with at Least One Flange, in Particular a Brake Pipe. Abbott Sebastian developed the invention.
The patent application number is US202017789434 20201223. The patent publication number is US12606144 (..
Pipe
| Fri 24 Apr 2026
Alexandria, April 25 -- United States Patent for Filtration System with Improved Standpipe Design has been issued to Cummins Filtration Inc and Atmus Filtration Inc. This invention was developed by Crooks Joshua, Jiang Zemin and Arakeri Sudhindra Palaxa.
The patent application number is US202418933383 20241031. The patent pub..
Pipe
| Sat 25 Apr 2026
Beijing, April 25 -- Yang Wenbo has sought patent for Underground Pipeline Multi-modal Data Anti-interference Directional Transmission System. This invention was developed by Yang Wenbo, Chen Yushan and Deng Feng.
The patent application number is CN202511592200 20251103. The patent publication number is CN121125789 (A). Inter..
Pipe
| Sat 25 Apr 2026
Beijing, April 25 -- State Intellectual Property Office of China has published State Grid Beijing Electric Power Co patent application for Clock Synchronization Method and Device for Underground Pipe Gallery. The invention was developed by Liu Bo, Qian Mengdi, Fan Zhe, Wang Dawei, Wang Shuai, Yan Chunjiang, Ren Zhigang, Guo Wei,..
Pipe
| Sat 25 Apr 2026
Beijing, April 25 -- State Intellectual Property Office of China has published Geely Holding Group and Zhejiang Yuancheng New Energy Commercial Vehicle Group Co Ltd patent application for Wire Harness Self-adaptive Fixing Pipe Clamp, Early Warning Method and Computer Readable Storage Medium. The invention was developed by Lyu Xi..
Pipe
| Sat 25 Apr 2026
Rijswijk, April 25 -- CKD Corporation has sought patent for Pipe Coupling Structure. This invention was developed by Satoshi Ueno.
The patent application number is NL20162017251 20160728. The patent publication number is NL2017251 (A). International Patent Classification code is F16L41/00. Cooperative Patent Classification co..
Pipe
| Sat 25 Apr 2026
Rijswijk, April 25 -- ITRec has sought patent for Marine Pipeline Installation Vessel and Method for Laying an Offshore Rigid Pipeline in the Sea. This invention was developed by Terence Willem August Vehmeijer and Ronny Lambertus Waltherus Nouwens.
The patent application number is NL20162017465 20160915. The patent publication..
Pipe
| Sat 25 Apr 2026
Rijswijk, April 25 -- Netherlands Patent Office has received ITP SA patent application for a Method of Manufacturing a Double-walled Pipe Segment. Pierre Ollier and Jean-aurélien Damour developed the invention.
The patent application number is NL20162017423 20160906. The patent publication number is NL2017423 (A). Internatio..
Pipe
| Sat 25 Apr 2026
Rijswijk, April 25 -- INA Acquisition has submitted a patent application for Method of Lining Pipe with High Strength Liner, High Strength Liner, and Pipe Lined with High Strength Liner. Charles Free, Yevgeny Zaltsman and Abu Abraham developed the invention.
The patent application number is NL20162017490 20160919. The patent pu..
Pipe
| Sat 25 Apr 2026
Beijing, April 25 -- State Intellectual Property Office of China has received Shanghai Wisking Electric Machine patent application for Backrest Curve Pipe Wheelchair with Adjustable Gravity Center and Adjustable Height. Wei Enqiang developed the invention.
The patent application number is CN202511460601 20251014. The patent pub..
Pipe
| Fri 24 Apr 2026
Alexandria, April 25 -- Viega Technology has been granted a patent for Pipe Connector for Tightly Connecting Two Pipe Ends, Use Thereof and Method. This invention was developed by Müller Andreas, Schröder Klaus, Riili Nadine, Bohr Karsten and Kaufmann Natascha.
The patent application number is US202418797630 20240808. The pat..
Pipe
| Sat 25 Apr 2026
Beijing, April 25 -- Institute of Modern Physics, Chinese Academy of Sciences has submitted a patent application for Design Method of Particle Accelerator Beam Pipeline Supporting Piece and Supporting System. This invention was developed by Feng Anhui, Yang Jiancheng, Liu Ye, Wang Pengji, Ruan Shuang, Shen Guodong, Zheng Yajun, ..
Pipe
| Sat 25 Apr 2026
Beijing, April 25 -- China Information Consulting & Designing Institute has filed a patent application for Rainproof Device for Ventilation Pipe of Communication Base Station. This invention was developed by Chen Liang, Li Zhenglin, Zhang Jing, Chen Zhenya, Yuan Gang and Zhao Zhenqiang.
The patent application number is CN202511..
Pipe
| Sat 25 Apr 2026
Beijing, April 25 -- Shanghai Tunnel Engineering & Rail Transit Design and Research Institute has submitted a patent application for Cable Tunnel Intelligent Cooling System Based on Cold Water Pipe Longitudinal Partition and Working Method. This invention was developed by Wang Liang, Wang Xiongping, Xi Feng, Jiang Weiting, Sun J..
Pipe
| Fri 24 Apr 2026
Beijing, April 25 -- Safran Aircraft Engines and Safran Aero Boosters have sought patent for Turbine Test Bench Exhaust Duct Comprising Double Pipes. This invention was developed by Frantz Caroline Marie, Ramos Bruna Manuela, Mayes Benoit Fernand Jose and Alexandre Josephine Emeline Marie.
The patent application number is CN2..
Pipe
| Thu 23 Apr 2026
Beijing, April 24 -- Tongji University and Marketing Service Center Of State Grid Zhejiang Electric Power Co Ltd have applied Chinese patent for Thermal Dynamic Modeling Method for Dendritic Pipe Network Based on Transfer Function. Ruan Yingjun, Chen Jie, Wu Zhifu, Li Han, Xu Tingting, Yao Yuting, Meng Hua, Wang Chaoliang and Li..
Pipe
| Thu 23 Apr 2026
Beijing, April 24 -- Shendi Science and Engineering Yunlong Lake Laboratory and Xuzhou University of Technology have applied Chinese patent for Intelligent Grouting Test Device for Filling Broken and Loose Rock-soil Body Pipe and Use Method of Intelligent Grouting Test Device. Zhang Nong, Li Xiaozhao, Liu Cheng'ao, Wang Bo, Pan ..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Xi'an Thermal Power Research Institute and Huaneng Pingliang Power Generation have submitted a patent application for Heat Treatment Method for Narrow-spacing Welding Seam of Pipeline. This invention was developed by Han Tianpeng, Zhao Wanli, Wang Yansong, Ge Jun, Li Yong, Ma Guorong, Zhang Fei, Li Yuancheng..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Huatian Nanjing Engineering & Technology Corp MCC and MCC Huatian Engineering & Technology have submitted a patent application for Enhanced Copper Pipe Cooler Resistant to Airflow Impact. Yang Meng, Tu Hulin and Yang Jinglong developed the invention.
The patent application number is CN202511399123 2025092..
Pipe
| Thu 23 Apr 2026
Beijing, April 24 -- Huadian Laizhou Power Generation Co Ltd and Huadian Electric Power Research Institute have filed a patent application for Thermal Power Plant Pipeline Acoustic Streaming Coupling Fault Diagnosis Method and System Based on Vibration Test. This invention was developed by Liu Bingguang, Li Rizhao, Tang Hongkui,..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- National Petroleum Pipeline Network Group and State Petroleum Pipeline Network Group of Science and Technology Research Institute Branch have filed a patent application for Prediction Method for Drag Reduction Rate and Transportation Increasing Rate of Pipeline and Related Equipment. This invention was devel..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- China Nat Offshore Oil Corp and CNOOC Energy Technology & Services have applied Chinese patent for Offshore Casing Pipe Direct Connection Type Emergency Well Plugging Device and Method. Xing Chuanhang, Miao Dianyuan, Li Zhuang, Jiang Kai, Zhang Xinyu, Chu Dejun, Liu Pengfei, Liu Junbo, Du Wei and Zhu Lianwan..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Three Gorges Environmental Tech Co Ltd and China Three Gorges have submitted a patent application for Self-powered Pipeline Anti-corrosion Device Based on Orp Feedback. This invention was developed by Zhu Xiaomeng, Fang Shuai, Wang Dianchang, Yin Wei, Zhang Chunguang, Wang Wanqiong, Peng Shouhai, Chen Xiaolo..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Guizhou Power Grid and Electric Power Research Institute have submitted a patent application for Glass Reinforced Plastic Pipe and Manufacturing Method. Li Kun, Liu Jun, Xu Kui, Huang Kejie, Chen Peilong, Yuan Yao, Yu Changhao, Zeng Huarong, Xu Shurong, Fu Shengjun, Yang Qi, Wang Shuaibing, Li Xin, Zhang Wei..
Pipe
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has released Taihang Nat Laboratory patent application for Phase Change Simulation Method for Hydrogen Conveying Pipeline. This invention was developed by Liang Jinhua, Zhu Rui, Zhou Shan, Zhang Heng and Li Chunye.
The patent application number is CN202511631910..
Pipe
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has released National Petroleum Pipeline Network Group and State Petroleum Pipeline Network Group of Science and Technology Research Institute Branch patent application for Carbon Dioxide Conveying Pipeline Evaluation Method and Device, Medium and Product. This inv..
Pipe
| Thu 23 Apr 2026
Beijing, April 24 -- Shanghai Yijun Zhizhao Electronic Tech Co Ltd has sought patent for Method and Device for Analyzing Flue Gas in Pipeline. This invention was developed by Li Yihao, Tao Kunfeng and Liu Fanzhe.
The patent application number is CN202511449724 20251011. The patent publication number is CN121113824 (A). Intern..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published Ningbo Maibahe Eng Plastic Co Ltd patent application for Antistatic Easy-to-clean Wear-resistant Cigarette Filter Conveying Pipeline Composite Material and Preparation Method Thereof. The invention was developed by Wan Zeqiang, Zhang Zimin and Lin Yux..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Zhejiang Mingda Copper Ind Co Ltd has sought patent for Manufacturing Process of Antibacterial PPR Pipe. This invention was developed by Jiang Wanghu, Wang Feiyao and Chen Feiyan.
The patent application number is CN202511517476 20251023. The patent publication number is CN121108674 (A). International Pate..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Zhejiang Mingda Copper Ind Co Ltd has submitted a patent application for Anti-aging PPR Pipe and Preparation Method Thereof. This invention was developed by Jiang Wanghu, Wang Feiyao and Chen Feiyan.
The patent application number is CN202511505885 20251021. The patent publication number is CN121108673 (A)..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Suzhou Ball Fluorine Plastic Products Co Ltd has submitted a patent application for Carbon Fiber Pipeline Lining and Production Process Thereof. Chen Jianzhi and Zhu Qixiao developed the invention.
The patent application number is CN202511252917 20250903. The patent publication number is CN121108660 (A). ..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Chongqing Chenrui Plastic Co Ltd patent application for Heat Preservation Type PVC Plastic Pipeline. Shen Yong and Huang Ming developed the invention.
The patent application number is CN202511519991 20251023. The patent publication number is CN12110..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published Shenzhen Boxinmei Nanotube Co Ltd patent application for Nano-antibacterial Rigid Polyvinyl Chloride Drainage Pipeline Material and Preparation Process Thereof. The invention was developed by Zhao Bin.
The patent application number is CN20251128350..
Pipe
| Thu 23 Apr 2026
Beijing, April 24 -- Zhangjiagang Gongdeli Ship Tech Co Ltd has applied Chinese patent for Laser Welding Positioning Method for Hyperboloid of Ship Guide Pipe. Zhang Huimin and Xu Min developed it.
The patent application number is CN202511252531 20250903. The patent publication number is CN121120777 (A). International Patent ..
Pipe
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published CNNC Nuclear Power Operation Management and Qinshan Nuclear Power Co Ltd patent application for Heat Transfer Pipe Orifice Sealing Weld Damage Grading Evaluation Method. The invention was developed by Lin Zhong, Lou Xiao, Si Xianguo, Lei Xiasheng, Zha..
Pipe
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published Yangtze River Three Gorges Group Ind Development Beijing Co Ltd and China Three Gorges patent application for Drainage Pipeline Structural Defect Detection System and Method, Medium and Product. The invention was developed by Zhao Zhichao, Yin Wei, Li..
Pipe
| Thu 23 Apr 2026
Beijing, April 24 -- Guangdong Mogu Zhongnuo Digital Energy Operation Co Ltd has applied Chinese patent for Llm-based Intelligent Analysis System and Method for Air Leakage of Compressed Air Pipeline. Wang Baoke, Lei Xiang and Lin Pengkun developed it.
The patent application number is CN202511219511 20250828. The patent publi..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Beijing Graphene Institute Co Ltd has submitted a patent application for Composite Heat Pipe and Preparation Method Thereof. This invention was developed by An Zhizheng, Guo Ruiying and Yoo Chung-beom.
The patent application number is CN202410718631 20240604. The patent publication number is CN121112789 (..
Pipe
| Fri 24 Apr 2026
Mexico City, April 24 -- Conex IPR Ltd has submitted a patent application for Components for Drinking Water Pipes, and Method for Manufacturing Same. This invention was developed by Szklarek Mateusz, Wolinski Slawomir and Salehi Bakhtiari Manouchehr.
The patent application number is MX20240008901 20230112. The patent publicat..
Pipe
| Thu 23 Apr 2026
Beijing, April 24 -- Tianjin University has filed a patent application for Submarine Pipeline Earthquake Damage Effect Underwater Vibration Table Simulation Device and Method. This invention was developed by Han Qinghua, Lu Yan, Zang Zhipeng, Yan Xiang and Zhang Jinfeng.
The patent application number is CN202511670090 2025111..
Pipe
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Jiangsu Zhongdian Env Engineering Co Ltd patent application for Sealing Device for Penetrating Roof Pipe of Boiler Reheater. Xu Dan, Qian Jin, Wu Weihua, Wang Kouqun and Zhang Jianlou developed the invention.
The patent application number is CN20251..
Pipe
| Thu 23 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published Datang Huangdao Power Generation Co Ltd patent application for Method for Measuring Wall Temperature of Explosion-proof Pipe of Final-stage Reheater. The invention was developed by Yang Changqing, Li Dong, Liu Qi, Hou Qicong, Lu Weidong, Zhang Shoupin..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Dongyin Guanwu Nanjing Tech Co Ltd has sought patent for Rain and Sewage Pipeline Defect Detection Method and System Based on Distributed Optical Fibers. This invention was developed by Dong Yixuan, Wu Lan, Wu Peng, Wei Linhui, Yin Xiangwen, Zhang Jianing and Wu Dong.
The patent application number is CN20..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Qingchen Tech Guangdong Co Ltd has submitted a patent application for Urban Pipe Network Health Detection Method and Device and Electronic Equipment. This invention was developed by Li Ke, Hu Yan, Wang Yan, Yang Dandan and Du Xiaochuang.
The patent application number is CN202511105210 20250807. The patent..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has released Sichuan Wanshengtong Prec Machinery Manufacturing Co Ltd patent application for Device and Method for Measuring Diameter of Metal Pipe Fitting. This invention was developed by Xiang Gaochen.
The patent application number is CN202511676744 20251117. ..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Shanghai Baichu Numerical Control Tech Co Ltd has filed a patent application for Equipment for Measuring Contour of Pipe to be Processed. This invention was developed by Zhang Pengfei, Zhang Zhipeng, Fang Hengchu and Bi Dingding.
The patent application number is CN202511602662 20251104. The patent publica..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Nanjing Huajian Testing Tech Co Ltd has submitted a patent application for Non-iterative Debugging Method and System Based on Wind System Pipe Network Calculation Model and Storage Medium. This invention was developed by Liu Zhen, Huang Dehai, Xue Shurui, Yan Chengchu, Li Chengyi, Shi Hongfei, Liu Jianxin, L..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has released Jinghua Plastic Ind Co Ltd patent application for High-heat-conductivity Floor Heating Corrugated Pipe Based on Graphene. This invention was developed by Liu Kai, Li Wei and Liu Yingchun.
The patent application number is CN202511449572 20251011. The..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Zhejiang Engipower Tech Co Ltd has submitted a patent application for Urban Heat Supply Pipe Network Energy-saving Pressure Reduction System and Regulation and Control Method Thereof. Xie Jinfang, Wang Yaxing, Liu Dingjie and Ma Yuan developed the invention.
The patent application number is CN202511335998..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Jilin Investig and Design Institute Of Water Conservancy and Hydropower has applied Chinese patent for Water Supply Pipeline Leakage Identification Method Based on Hydrophone Signals Under Noise Background. Zhu Luan, Liu Shufeng, Zou Donghang, Yin Chunyan, Li Yunlong, Zou Yutao, Zhao Yue, Liu Yingke, Li Yuto..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Chengdu Yunwei Traffic Tech Co Ltd has sought patent for Segmented Pipe Network Leakage Detection Device and Method. This invention was developed by Zou Yixuan, Tao Jiang, Liu Yang and Chen Tao.
The patent application number is CN202511581635 20251031. The patent publication number is CN121112209 (A). Int..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Hebei Tongli Automatic Control Valve Mfg Co Ltd has filed a patent application for Thermal Indoor Pipeline Integrated Valve Group. This invention was developed by Ma Jinggang, Ma Xuan, Liu Jinjin, Chen Yongfei, Li Chenggang, Guo Lin, Feng Mingxing, Wu Jian and Yu Haixing.
The patent application number is ..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Guangzhou Xinhuang Energy Tech Co Ltd has filed a patent application for Low-pressure Early Warning Device for Compressed Air Pipe Network Based on Flow Perception. This invention was developed by Lin Hong and Feng Zhiqing.
The patent application number is CN202511597767 20251104. The patent publication n..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published Jilin Pengyu Pipeline Eng Co Ltd patent application for High-temperature-resistant Thermal Insulation Pipe Prepared by Adopting Spiral Extrusion Winding Process and Preparation Method of High-temperature-resistant Thermal Insulation Pipe. The inventio..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Sinomach Sensing Tech Co Ltd and Shenyang Academy of Instrumentation Science have submitted a patent application for Pipeline Internal Detector with Reducing Function. This invention was developed by Song Huadong, Qin Changxu, Song Yunpeng, Zeng Yanli, Xu Pengda, Jiang Xingqiao, Zhang Wenqiang, Li Wanqiu, Sh..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published Beijing Caisheng Tech Co Ltd patent application for Pipe Fitting Weld Joint Internal Defect Detection Equipment Capable of Automatically Adjusting Speed and Feeding. The invention was developed by Xu Jingzhong and Wang Wei.
The patent application n..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Daqing Minan Security Equipment Installation Eng Co Ltd has applied Chinese patent for Method for Repairing and Enhancing Turning Lining in Trenchless Pipeline. Xu Sheng and Wang Shaowen developed it.
The patent application number is CN202511333428 20250918. The patent publication number is CN121112109 (A..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Xiamen Special Equipment Inspection Institute and Xiamen China Resources Gas Co Ltd patent application for Device and Method for Repairing Leakage of Strait-crossing Directly-buried Gas Pipeline. Fu Xibin, Tang Binkun, Zou Zhijian, Feng Ligang, Fan Che..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Huangshan Qixia Construction Eng Co Ltd has submitted a patent application for Sound Insulation and Noise Reduction Water Supply and Drainage Pipeline. This invention was developed by Wang Yuming, Mao Jiayao and Mao Wei.
The patent application number is CN202511355789 20250922. The patent publication numb..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Fujian Sanming Runxiang New Mat Co Ltd patent application for Anti-bonding Conveying Pipe for Conveying Flame Retardant. Wu Wenjing, Huang Yongming and Liu Longjiang developed the invention.
The patent application number is CN202511558625 20251029. ..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Henan Qinglong Plastic Pipe Ind Co Ltd has submitted a patent application for Large-diameter Extrusion-method Electric Melting Pipe Fitting and Manufacturing Method Thereof. This invention was developed by Li Yunyun, Ming Ruijun, Li Jie, Li Yongfeng, Yu Jiangtao, Hou Chang, Yan Bo and Wu Bin.
The patent a..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Jiangsu Yuanxing Group Construction Co Ltd has submitted a patent application for Silencing Device for Gas Pipeline. This invention was developed by Hang Zhiyuan, Yu Wenxia, Yang Jianguo, Ding Hanyuan, Feng Wei and Liu Shujie.
The patent application number is CN202511486454 20251017. The patent publicatio..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Zhejiang Sanleng Plastic Co Ltd has submitted a patent application for High-toughness Anti-aging Composite Water Supply Pipe and Production Process Thereof. This invention was developed by Wang Jingyang and Wang Jingbo.
The patent application number is CN202511308436 20250915. The patent publication numbe..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Beijing Boming Tongzheng Consulting Co Ltd has sought patent for Polymer Composite Adsorption Sealing Pipe. This invention was developed by Yu Fei.
The patent application number is CN202410746514 20240611. The patent publication number is CN121112079 (A). International Patent Classification codes are F16L..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published Changzhou Wujin Wunan Pipeline Equipment Co Ltd patent application for Heat Distribution Pipeline Support Capable of Preventing Impact Instability of Pipe Frame. The invention was developed by Yu Xinchun and Yu Jiapeng.
The patent application numbe..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Guizhou Hongdao Hesheng Energy Dev Co Ltd patent application for Pipe Stabilizing Device for Natural Gas Long-distance Pipeline Construction. Li Chu developed the invention.
The patent application number is CN202511642814 20251111. The patent public..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has released Zhao Tianliang patent application for Steam Pipe Spraying Engine. This invention was developed by Zhao Tianliang.
The patent application number is CN202511335163 20250918. The patent publication number is CN121111472 (A). International Patent Classi..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received China Coal Technology Engineering Group Chongqing Research Institute and Chongqing Kehua Safety Equipment Co Ltd patent application for Anti-blocking Emergency Device for Underground Gas Extraction Pipeline. Su Yujiao, Cheng Guojian, Zhang Hongwei, Zha..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Powerchina Fifth Bureau Guangyuan Construction Co Ltd and Sinohydro Engineering Bureau 5 patent application for Hydraulic Pushing Installation Device and Method for Downward Bent Section of Pressure Steel Pipe. Sun Xueliang, Li Gang, Li Tao, Su Yunfu, ..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Hong Kong Zhongjian Dev Co Ltd has applied Chinese patent for Pipe Jacking Machine. Wang Long developed it.
The patent application number is CN202511574992 20251030. The patent publication number is CN121111278 (A). International Patent Classification codes are E21D9/06 and E21D9/08.
The abstract of t..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published China Coal Maodi Xingxian Coal Ind Co Ltd patent application for Water Fracturing Pipe and Full-automatic Water Fracturing Equipment. The invention was developed by Zhou Tao, Yang Yiyin, Xu Bin, Zhang Ningbo, Li Xiaojun, Wu Kaikuo, Wang Qian, Feng Pan..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Shengli Fanland Oil Equip Co Ltd has filed a patent application for Integral Double-pipe Wellhead and Christmas Tree Device. This invention was developed by Liu Yan, Chen Junjie, Fu Xiurong, Xia Meng, Wang Xiaoxiao and Han Yunxiu.
The patent application number is CN202511675857 20251117. The patent public..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Institute Of Exploration Technique Cademy Of Geological Sciences has submitted a patent application for Single-acting Double-pipe Coring Drilling Tool. This invention was developed by Gao Pengju, Wang Yao, Fan Longfei, Huang Mengfu, Du Yaosen, Ma Hanchen, Wu Xiaolong, Tang Xiaoren, Dong Xiangyu and Wang Qing..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Guangzhou Jintu Geotechnical Engineering Tech Co Ltd has sought patent for Movable Type Back Leaning Structure Suitable for Small-diameter Jacking Pipe and Construction Method of Movable Type Back Leaning Structure. This invention was developed by Chen Xuehua.
The patent application number is CN2025114710..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Jinan Energy Engineering Group and Shandong University patent application for Deep Foundation Pit Pipeline Construction Method Used in Urban Complex Environment. Pan Fuyong, Kou Lei, Sun Houzhen, Guo Feng, Gao Tiangang, Zhang Zongtong, Cao Yun, Zhao Ya..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Zhejiang Mingkang Eng Consultation Co Ltd has submitted a patent application for Pipe Jacking Construction Method. This invention was developed by Wu Xin, Wang Yilong and Zhang Yikui.
The patent application number is CN202511413299 20250929. The patent publication number is CN121112062 (A). International ..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Fudan University has submitted a patent application for Multifunctional Continuous Height Adjusting Device. This invention was developed by Tian Chunxu, Jia Jinghao, Guo Shijie and Gan Zhongxue.
The patent application number is CN202511131113 20250813. The patent publication number is CN121111847 (A). Int..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Shanghai Hengtuo Hydraulic Control Technology Co Ltd has filed a patent application for Jet Pipe Type Pressure Servo Valve with Mechanical Closed-loop Feedback Structure. This invention was developed by Xu Miao, Yu Shuai, Huang Zeng, Jin Yaolan and He Fei.
The patent application number is CN202511586245 2..
Pipe
| Thu 23 Apr 2026
Beijing, April 24 -- Hunan Puqi New Energy Res Institute Co Ltd has sought patent for Underground Pipeline Trend Positioning Method and System Based on Audio Frequency Analysis. This invention was developed by Chen Bo.
The patent application number is CN202511280909 20250909. The patent publication number is CN121115090 (A). ..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Anhui Zhongke Assembly Intelligent Mfg Co Ltd has submitted a patent application for Bolt-welding Connection Combined Structure Based on Steel Pipe Beam-column Intercommunication. Zheng Qijing developed the invention.
The patent application number is CN202511318763 20250916. The patent publication number ..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Shanghai Power Civil Construction Co Ltd and State Grid Co Ltd Special High Voltage Construction Branch patent application for Anti-seepage Construction Process for Rainwater Pipeline of Extra-high Voltage Converter Station in Collapsible Loess Area. Y..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Wang Shurong has submitted a patent application for Sectional Type Horizontal Pipe Continuous Cooking Process.
The patent application number is CN202511514622 20251022. The patent publication number is CN121110408 (A). International Patent Classification codes are D21C7/00 and D21C7/06. Cooperative Pate..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Hangzhou Energy Group Engineering Tech Co Ltd patent application for Powder Plasma Spraying Device for Anticorrosive Coating of Gas Pipeline. Chen Shuxian, Hu Jian, Han Yubin, Qiu Wusong, Dai Pengtian, Zhu Xiangjun and Wang Jian developed the invention..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Shangrao Gaotou Zhicheng Tech Co Ltd has applied Chinese patent for Pipe Gallery Management Method and System. Ji Liangwen, Huang Wei, Liu Xiaobo and Xu Yuchen developed it.
The patent application number is CN20251169753 20250731. The patent publication number is CN121119364 (A). International Patent Clas..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has released Sichuan Shuifa Construction Co Ltd patent application for Composite Anti-seepage Construction Method for Deepwater Complex Stratum Steel Pipe Pile Cofferdam. This invention was developed by Jiao Xiu, Huang Ziming and Tu Jian.
The patent application ..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Lenros Build Eng Co Ltd patent application for Roadbed Reinforcing Prestressed Pipe Pile Auxiliary Construction Device and Construction Method. Li Caixia developed the invention.
The patent application number is CN202511454536 20251013. The patent p..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Tian Zhigang and Yang Chengfeng have filed a patent application for Concrete Pipeline and Construction Process Thereof. This invention was developed by Tian Zhigang and Yang Chengfeng.
The patent application number is CN202511592633 20251103. The patent publication number is CN121112082 (A). International..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received Changjiang Ecology Environmental Protection Group patent application for System and Method for Automatically Measuring Pipe Network Parameters Based on Three-dimensional Scanning of Wellhead of Inspection Well. Wu Kunming, Zhang Jun, Zhou Xiaoguo, Chen..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Suzhou Institute Industrial Technology has applied Chinese patent for Measuring Device for Pipe Fitting and Measuring Method Thereof. Li Changchun, Xu Li, Wang Chunsheng, Xue Yingchun and Hu Wei developed it.
The patent application number is CN202511290263 20250910. The patent publication number is CN121112..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Xichang College has applied Chinese patent for Detection Device for Detecting Deformation of Oil and Gas Transmission Pipeline. Shang Li, Yang Hongmei and Zhou Zhiwei developed it.
The patent application number is CN202511379665 20250925. The patent publication number is CN121112877 (A). International Paten..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- China Gezhouba Group No. 3 Engineering has submitted a patent application for Fracturing Rock Breaking Pipe Structure Based on Synergistic Effect of Liquid Oxygen and Liquid Nitrogen and Using Method of Fracturing Rock Breaking Pipe Structure. This invention was developed by Xing Qinzhi, Hu Quanguang, Lin Xu..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published Guangzhou Power Supply Bureau of Guangdong Power Grid patent application for Through Pipe Detection Control Method, Device and System, Terminal Equipment and Storage Medium. The invention was developed by Jiang Mingkai, Yang Xinran, Wen Xinting, Han L..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has published Wuxi Snow Gull Move Air Conditioner patent application for Airplane Ground Air Conditioner Blast Pipe Safety Detection Device and Method. The invention was developed by Liu Yanqing, Cao Yang, Yu Xichao and Liang Yong.
The patent application number is..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Zhejiang Shiya Gas Valve has sought patent for Gas Pipeline Electric Leakage Detection Method and Gas Joint with Electric Leakage Alarm Device. This invention was developed by Gong Kewei, Han Jiuming, Chen Zhifeng, Guo Hongfei, Wei Zhengfu, Sun Zhongxiao, Chen Sheng and Hu Chenxu.
The patent application num..
Pipe
| Fri 24 Apr 2026
Beijing, April 24 -- Soyea Technology has sought patent for Online Pipeline Leakage Acoustic Detection Device and Method. This invention was developed by Zhu Feinan, Xue Luna, Jin Pan, Ye Miaomiao, Zhu Jiali, Pang Kaifeng and Chen Jiabing.
The patent application number is CN202511334414 20250918. The patent publication number i..
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