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Pipe

  |  Sun 29 Mar 2026

Beijing, March 30 -- Yangtze University and Jiangxi Jiangtou Oil & Gas Tech Service Co Ltd have submitted a patent application for Pipe Cleaner Used in Urban Gas Pipeline. This invention was developed by Li Song, Wu Lijuan, Yao Du, Ni Mengyue, Zhai Xiaopeng and Li Hu. The patent application number is CN202511479300 20251016. ..

Pipe

  |  Sun 29 Mar 2026

Beijing, March 30 -- Henan Guoji Construction Eng Group Co Ltd, Henan Technical College of Construction and Henan Building Decoration Ass have filed a patent application for Floor Heating Pipe Unwinding Device. This invention was developed by Fu Yong, Sun Peiyong, Dun Chao, Jia Wanglong, Yan Fei, Zhao Panhong, Jin Qiaolan, Fu Ze..

Pipe

  |  Mon 30 Mar 2026

Beijing, March 30 -- Wang Meiqing, Wu Shuman, Shang Weichao and Shang Kaike have filed a patent application for Double-pipe Appliance. The patent application number is CN202511412847 20250929. The patent publication number is CN120959916 (A). International Patent Classification codes are A61C19/06, A61C7/12 and A61C7/20. Coope..

Pipe

  |  Sun 29 Mar 2026

Beijing, March 30 -- Dalian Huarui International Engineering Co Ltd and Dalian Huarui Heavy Industry Group have filed a patent application for Adjustable Screw Mechanism Carrier Roller Set for Transition Section of Pipe Belt Conveyor. This invention was developed by Liu Xinggang, Zhang Wei and Li Yong. The patent application ..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has released Xinyu Iron & Steel patent application for Dust Removal Pipeline Replacement Device and Dust Removal Pipeline Replacement Method. This invention was developed by Zhang Xueyong, Xiao Yifeng, Li Jianping, Ai Chaohui, Huang Taogen, Hu Dalin, Li Jianbin, Ch..

Pipe

  |  Mon 30 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has released Shanxi Taigang Stainless Steel patent application for Determination Method for Forming Process of Automobile Exhaust Pipe. This invention was developed by Wei Hairui, Wang Zhibin, Wang Kai and Fu Jinzhu. The patent application number is CN20251192650 ..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has released Changjiang Institute of Survey, Planning, Design and Research patent application for Verticality-keeping and Stability-controlling Method for Underwater Grouting Orifice Pipe Under Deepwater Condition. This invention was developed by Yan Fugen, Zou Deb..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has released Xi'an Technological University patent application for Method for Measuring Three-dimensional Vibration Parameters of Rigid Long Pipe Fitting. This invention was developed by Tian Hui, Zhang Jiaqing, Luo Hao and Ni Jinping. The patent application numbe..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has released Shandong Qiaotai Pipes Technology patent application for Pipe Performance Detection Equipment and Application Method Thereof. This invention was developed by Qu Zhenglin, Wang Lixue, Jang Hyun-mo and Song Yongfu. The patent application number is CN202..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Guangzhou Power Supply Bureau of Guangdong Power Grid has submitted a patent application for Corrugated Pipe Mounting Structure and Arc Extinguish Chamber. This invention was developed by Zhou Xiaoguang, Wang Yong, Liu Junxiang, Xiao Jun, Zhang Jie, Wang Tingyan, Li Yida and Chen Yuqing. The patent applicat..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Gree Electric Appliances, Zhuhai has submitted a patent application for Pipe Fitting Defect Detection Method and Device, Defect Detection System and Storage Medium. This invention was developed by Zhong Chengbao, Wang Changkai, Liu Zhichang, Ma Xiyuan, He Biaotao and Zou Shanrong. The patent application num..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Wang Shaoji has submitted a patent application for Electric Blowpipe Single-hand Playing Fingering System. The patent application number is CN202410621610 20240516. The patent publication number is CN120977269 (A). International Patent Classification codes are G10D9/00 and G10H1/34. Cooperative Patent Cl..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Wang Shaoji has submitted a patent application for Electric Blow Pipe and Pitch Keyboard Thereof. The patent application number is CN202410612137 20240516. The patent publication number is CN120977268 (A). International Patent Classification codes are G10D9/00 and G10H1/34. Cooperative Patent Classificat..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Liuhong Electromechanical Eng Shenzhen Co Ltd has submitted a patent application for Electromechanical Pipeline Installation Quality Management System Based on Data Analysis. This invention was developed by Cai Jun, Wang Xianfeng and Wu Mingsong. The patent application number is CN202511109600 20250808. T..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Shandong Guowei Iron and Steel has submitted a patent application for Intelligent Energy Consumption Management Optimization System in Welded Pipe Production Process. Ren Shilei, Zhang Qi and Song Leimin developed the invention. The patent application number is CN202510995481 20250718. The patent publicatio..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Shenzhen Tuoan IoT Co Ltd has sought patent for Water Meter Management Method, Device, Equipment and Product for Water Supply Pipe Network System. This invention was developed by Deng Liqun, Qiu Fengting and Huang Lin. The patent application number is CN202511502545 20251021. The patent publication number..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has received Jiangsu Vocational College Finance & Economics patent application for College Water Resource Water Supply Pipe Network Monitoring System and Method Based on Internet of Things and Medium. Zeng Zhengyu and Zhong Changchun developed the invention. The p..

Pipe

  |  Mon 30 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has received China University of Geosciences, Wuhan patent application for Design Optimization Method for Horizontal Jet Grouting Pile and Large Pipe Shed Combined Dense Pre-supporting Structure. Zhang Guohua, Xie Zhongzhi, Wang Yongyu, Tu Fubin, Xiong Feng and Hua..

Pipe

  |  Mon 30 Mar 2026

Beijing, March 31 -- DMS Corp has submitted a patent application for Processing Part for Constructing Pipeline Twinning Model. This invention was developed by Meng Yanbin and Li Yansong. The patent application number is CN202510982784 20220325. The patent publication number is CN120974555 (A). International Patent Classificat..

Pipe

  |  Mon 30 Mar 2026

Beijing, March 31 -- China Telecom Digital City Tech Co Ltd has sought patent for Urban Gas Pipeline Risk Prediction Method and Device, Electronic Equipment and Medium. This invention was developed by Wang Jingsi, Wu Chenyang and Bai Lin. The patent application number is CN202511517042 20251023. The patent publication number ..

Pipe

  |  Mon 30 Mar 2026

Beijing, March 31 -- Beijing University of Technology has applied Chinese patent for Water Supply Pipeline Burst Detection Method Based on Continuous Flow Characteristics. Fu Anqi, Wang Yongkun and Qiao Junfei developed it. The patent application number is CN20251151722 20250729. The patent publication number is CN120974181 (A)..

Pipe

  |  Mon 30 Mar 2026

Beijing, March 31 -- Shanghai Shushen Intelligent Tech Co Ltd has submitted a patent application for Uniform Thinning Detection Method for Pressure Pipeline Based on Multi-modal Guided Wave Fusion. This invention was developed by Chi Hailong. The patent application number is CN202511109632 20250808. The patent publication num..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has published Shangshang Desheng Group patent application for Equipment for Controlling Bending of Steel Pipe by Using Inclined Roller Groove in Solid Solution Annealing Furnace. The invention was developed by Ji Xuewen, Yan Dongyun, Cai Zhiyuan, Li Feilai, Ji Weit..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- China Mcc5 Group Corporation has submitted a patent application for Construction Method for Excavation and Backfilling of Pipe Shed Working Chamber and Tunnel Construction Method. Li Jiayao, Chen Cong, Luo Li, Li Haibing, Bai Xiaozu and Chen Yifan developed the invention. The patent application number is CN..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Baoji Ruixin Energy Equipment Co Ltd has filed a patent application for Steel Wire Recoverable Type Double-slip Blanking Plug for Underground Oil Pipe. This invention was developed by Zhang Ying, Guo Peng and Wang Hui. The patent application number is CN202511434724 20251009. The patent publication number..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Powerchina Roadbridge Group has submitted a patent application for Horizontal Directional Drilling Construction Method for Municipal Underground Pipeline. This invention was developed by Tong Tong, Chen Bonan, Hou Yubo and Zhang Rongliang. The patent application number is CN20251108977 20250722. The patent ..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Beijing Urban Construction Group has submitted a patent application for Fabricated Reinforcing Joint of Large-span Pipe Truss and Construction Method. Li Jiulin, Liu Tingyong, Wang Jianlin, Wu Binglong, Chen Limin, Tang Chao and Zhao Wei developed the invention. The patent application number is CN2025111106..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Sichuan Road & Bridge Group has submitted a patent application for Bailey Trestle Steel Pipe Pile Construction Safety Operation Platform and Construction Method. Chen Yousheng, Liao Zhiqiang, Yi Weiliang, Hu Qiyong, Deng Hengchang, Wang Xiao, Dai Jiaxin, Li Wanming, Zhang Hangchuan, Luo Chunyu, Li Wenjie, Zh..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- China Second Metallurgy Group has applied Chinese patent for House Underground Garage Pipeline Installation Operation Platform. Wang Mingjun, Sun Pengju and Zhu Fu developed it. The patent application number is CN202511218946 20250828. The patent publication number is CN120968215 (A). International Patent C..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has received Jiangsu Chengyi Residential Industrial Technology Development and China University of Mining patent application for Reinforced Concrete Beam with Prefabricated Uhpc Pipeline Through Holes. Tang Guofang, Li Jian, Lee Hyun, Sun Jinbiao, Zhang Chenxin, We..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Shenzhen Baosheng Construction Group Co Ltd has submitted a patent application for Suspended Ceiling with Hidden Pipeline. This invention was developed by Chen Ziqi. The patent application number is CN202510994402 20250717. The patent publication number is CN120968166 (A). International Patent Classificat..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Nanjing Vocational Institute of Transport Technology has submitted a patent application for Municipal Road Drainage Pipeline Anti-blocking System. This invention was developed by Zhao Yanyan. The patent application number is CN202510862573 20250625. The patent publication number is CN120968074 (A). Internat..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has published The City Vocational College of Jiangsu, Jiangsu Open University patent application for Drainage Pipeline System with Full-automatic Flushing and Multiple Filtering Functions. The invention was developed by Zhang Hairong, Jiang Guoqing, Chen Weiyu, Qia..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Guangdong Zhuao Construction Group Co Ltd has submitted a patent application for Rainwater and Sewage Flow Divider Convenient for Butt Joint and Used for Pipeline. Hang Feng and Liu Yongdan developed the invention. The patent application number is CN202511420028 20250930. The patent publication number is ..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has published Hunan Chengyou Green Building Technology and Hunan Pingyou Construction Tech Co Ltd patent application for Dense Rib Sandwich Overlapped Arched Cover Plate and Arched Pipe Gallery. The invention was developed by Gong Wenyan, Guo Jun, Xu Feng, Huang Qi..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- CCCC Shec First Highway Engineering has filed a patent application for Super-huge Offshore Steel Pipe Composite Pile and Construction Method Thereof. This invention was developed by Wang Changxi, Qiao Youcang, Sun Jinhai, Zheng Deyu, Shi Shan and Wang Yuguo. The patent application number is CN202511435324 2..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has released China MCC20 Group Corporation and Anhui MCC20 Construction Co Ltd patent application for Construction Method for Descending Water Pipe Well Under Geological Condition of Sandy Soil Containing Confined Water. This invention was developed by Yao Fengjie,..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has released Jinan Construction Eng Survey and Design Supervision Station patent application for Prestressed Pipe Pile Reinforcing Construction Method and System Suitable for Soft Soil Foundation. This invention was developed by Dai Lin. The patent application n..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has released Fangchenggang Zhongyi Heavy Ind Co Ltd patent application for Manufacturing Device and Machining Method of Large-span Arched Pipe Truss Steel Structure. This invention was developed by Yang Ming, Zhang Jianjun, Gao Gang, Pang Linsen, Liao Junjian and H..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has published Nust Science and Tech Park Co Ltd patent application for Preparation Method of Environment-friendly Electroplating Anode for Long and Thin Pipe with Large Length-diameter Ratio. The invention was developed by Chen Yuewei, Qiao Ziping, Xue Jun, Hao Aiy..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has received Harbin Dongan High Prec Tube Shaft Manufacturing Co Ltd patent application for Electrolysis Auxiliary Marking Device for Aviation Pipeline Product. Miao Naibiao, Zhou Zijie, Gu Jinlong, Li Nanlin, Feng Meijun, Dai Bo, Li Qing, Li Yue, Liu Zhi, Ma Mingt..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Harbin Institute of Technology has submitted a patent application for Long and Thin Pipe Inner Wall Multilayer Film Continuous Deposition Device with Shielding Cover and Axial Splicing Column Target and Using Method of Long and Thin Pipe Inner Wall Multilayer Film Continuous Deposition Device. This invention..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Bengang Steel Plates has sought patent for Economical Ultralow-temperature High-strength Dynamic Tearing Resistance Pipeline Steel and Production Method Thereof. This invention was developed by Xu Xueli, Zhou Zhongqi, Han Yu, Gong Zhen, Liu Zhipu, Wu Gang, Jia Sheng, Ma Siyuan and Zhou Yanfeng. The patent a..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Shanghai University has filed a patent application for Thin-wall High-temperature Damping Alloy Pipe Fitting as Well as Preparation Method and Pouring System Thereof. This invention was developed by Tian Qingchao, Mei Ling, Li Qipeng, Niu Gang, Zhao Zijun, Zhang Yubing and Cheng Guoxiang. The patent applica..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Shanghai Baoye Group Corporation has submitted a patent application for Device for Integrally Climbing Indoor Comprehensive Pipeline in Place and Construction Method Thereof. This invention was developed by Zhu Tuo, Yang Guang, Linsang, Liu Fengjun and Wang Tao. The patent application number is CN2025113282..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has released Zhu Zhigang patent application for Convenient-to-butt-joint Moving Equipment for Pipeline Construction. The patent application number is CN202511295921 20250911. The patent publication number is CN120969582 (A). International Patent Classification ..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Guotun Coal Mine of Linyi Mining Group Heze Coal & Electricity has submitted a patent application for Grouting Pipe Butt Joint Device. Ding Li, Xie Shiji, Li Qishuai, Zhang Ming, Chai Lei, Liu Zhiqiang, Niu Qiyong and Li Jin developed the invention. The patent application number is CN202510956376 20250711. ..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Tianjin Municipal Engineering Design & Research Institute has submitted a patent application for Replacing Device for Trenchless Buried Plastic Pipeline. Li Ziming, Lyu Yaozhi, Zhang Qibin, Tan Rujiao and Xu Pengxiao developed the invention. The patent application number is CN202511186620 20250822. The pate..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Yuyao Zeda Plastics Co Ltd has submitted a patent application for Bathroom Water Flow Pipeline Temperature Control Cutoff Structure and Shower Head with Same. This invention was developed by Li Guoda. The patent application number is CN202511249640 20250903. The patent publication number is CN120969492 (A..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has released Jari Automation Co Ltd China patent application for Anti-falling Device Suitable for Hose Saddle and Using Method. This invention was developed by Song Changjing, Miao Zeng, Meng Fanhao, Gu Jieyan, Yu Bo, Li Tongwang, Wu Hailong, Zhang Hanyu and Liu Yu..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Ningde Contemporary Amperex Technology has sought patent for Pipeline Pump Fixing Frame and Pipeline Pump Assembly. This invention was developed by Yan Ye, Wu Dengjian, Li Rongping and Wu Guidong. The patent application number is CN202410591258 20240513. The patent publication number is CN120969264 (A). Int..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Shanghai Xinli Power Equipment Institute has submitted a patent application for Blanking Cover Structure of Underwater Solid Rocket Engine Jet Pipe. This invention was developed by Xue Jiaming, Chen Dian, Dong Hongnian, Yin Chao, Lin Tianyi and Chen Peiran. The patent application number is CN202511315429 ..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Shanghai Xinli Power Equipment Institute has submitted a patent application for Composite Blanking Cap for Separating Engine Jet Pipe. Wang Haoyu, Han Fuqiang, Yang Peng, Wang Jingyi, Zhang Ting, Wang Changmao, He Peng and Sun Fuhe developed the invention. The patent application number is CN202511210663 2..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Chongqing Xiaokang Power has submitted a patent application for Cooling Pipeline Abnormity Identification Method, Device and Equipment and Storage Medium. Yi Xiaofeng, Noh Jun-seok, Chen Hongbo and Luo Fengwei developed the invention. The patent application number is CN202511207716 20250827. The patent publ..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Wuxi Weifu Lida Catalytic Converter has submitted a patent application for Detachable Heat Shield Assembly on Exhaust Pipe of Exhaust System. This invention was developed by Qi Dongliang, Yang Xiaodong, Tang Jinkun, Chen Xingyu, Zhao Ning, Gong Pengjie and Hu Ting. The patent application number is CN2025113..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has published China University of Mining patent application for Cold Region Filling Pipeline Heat Preservation Method and System Based on Carbon Dioxide Mineralization Heat Release. The invention was developed by Yan Hao, Zhang Jixiong, Chen Rang, Jin Ruilin, Zhou ..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Huating Coal Group has sought patent for Concrete Steel Pipe Supporting Frame Device for Roadway Supporting. This invention was developed by Xing Wanli, Chen Yonggang, Gao Pengfei, Qiu Liangliang and Liu Liming. The patent application number is CN202511204443 20250827. The patent publication number is CN120..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- China Three Gorges University has applied Chinese patent for Tunnel Pipeline Sudden Gushing Water Blocking Method Based on Magnetic Control Constant-pressure Air Bag. Yang Yunan, Liu Shuai, Gui Xudong, Peng Bo, Liu Jie, Xiong Mengran, Fan Wenxin, Wang Zibo and Cheng Wangrun developed it. The patent applicat..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has received CCCC Second Highway Fourth Engineering patent application for Tunnel Section Pipe Shed Drilling Construction Device and Construction Method. Mo Sisheng, Zhang Jiazhi, Zhao Keyan, Zhai Lei and Ma Qiulu developed the invention. The patent application nu..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Changjiang Ecology Environmental Protection Group has submitted a patent application for Construction Method for Breaking Underwater Boulder Obstacles Through Lake-penetrating Pipe Jacking. Li Zuoshang, Lin Dai, Yang Daxin, Zhang Lei, Yu Wei, Li Lin, Lei Chang, Wang Zhong, Li Yiran and Peng Zhongyi developed..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Municipal Environmental Construction of CREC has submitted a patent application for Deflection-preventing and Deviation-rectifying Device for Installing Small-pipe-diameter Jacking Pipe in Water-rich Sand Layer. This invention was developed by Yue Lizhang, Li Zhigang, Wu Hangzhou, Xin Benbin and Wen Xiaocong..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- AECC Aviation Power has submitted a patent application for Oil Leakage Pipeline Support of Engine. This invention was developed by Wang Yulin, Shen Chen, Lei Yutian, Xiao Ran and Wang Jingyan. The patent application number is CN202511414530 20250929. The patent publication number is CN120969587 (A). Interna..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- China Harbour Engineering has submitted a patent application for Multi-stage Buffering Variable-rigidity Stinger and Method for Restraining Deepwater Pipe Laying Vortex-induced Vibration Through Multi-stage Buffering Variable-rigidity Stinger. This invention was developed by Hu Weiming. The patent applicati..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Nantong Feisi Precision Tech Co Ltd has filed a patent application for Evaporator U-shaped Pipe and Straight Pipe Connecting Structure and Welding Method. This invention was developed by Hou Hua, Wang Wei and Jiang Xijun. The patent application number is CN202511287841 20250910. The patent publication num..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has published Xi'an Thermal Power Research Institute patent application for Hidden Type Quick Clamp and Pipe Fitting Connecting Structure. The invention was developed by Tian Haojia, Wang Wei, Wang Zhao, Tian Wenhua, Zhang Xiaohong and Tuo Kai. The patent applicat..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Wuxi Honghe Special Section Tube has sought patent for Special-shaped Nd Pipe. This invention was developed by You Minghao, Jiang Yunhua, Feng Jingyan, Chen Yan, Shu Jiyuan and Liu Xiaohui. The patent application number is CN202511137701 20250814. The patent publication number is CN120969611 (A). Internatio..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- A Raymond Et Cie has submitted a patent application for Coupling Device for Pipes. This invention was developed by Gilbert Kevin and Thulot Thomas. The patent application number is CN202510626363 20250515. The patent publication number is CN120969610 (A). International Patent Classification codes are F16J15..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has published AECC Guiyang Engine Design Institute patent application for Aero-engine Pipeline Connecting Structure with Dynamic Positioning Pin. The invention was developed by Peng Zeliang, Xiong Shan, Yin Xiantao, Li Xu, Li Nina, Li Junli, Shi Yunfei, Mo Peng, Hu..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has published Jiangxin Coating Plastic Steel Pipe Henan Co Ltd patent application for Anti-falling Type Bearing Pipeline. The invention was developed by Wang Helai and Wang Chenyang. The patent application number is CN202511411896 20250929. The patent publicatio..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- China Chengda Engineering has submitted a patent application for Clamping Flange Joint for High-pressure Pipeline and Design Method. This invention was developed by Pang Guan, Song Mingzhao, Liu Hengzhi, Jiang Fei, Hu Xianlin, Zhang Xuefeng, Li Hongjie, Yang Shuhua, Zhao Xiaosong and He Xiaokang. The patent..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has released Jiangsu Leiting Prec New Material Co Ltd patent application for Self-locking Type Pipeline Connecting Structure. This invention was developed by Zhu Yinde. The patent application number is CN202511471324 20251015. The patent publication number is CN..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Hangtianchenguang Fujian Pipe Industry Tech Co Ltd has submitted a patent application for Rapid Installation Device for Large-diameter Special Composite Rtp Pipeline. This invention was developed by Zhang Jianxin and Pan Xiaoyan. The patent application number is CN202511497746 20251020. The patent publica..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Tianjin Jiuan Machinery Mfg Co Ltd has submitted a patent application for Pipe Replacement Expansion Device, Cutting Device, Pipe Replacement System and Pipe Replacement Method. This invention was developed by Zhang Jun, Ao Rui, Yu Cheng, Zhang Jianping, Jiang Fei, Xu Shuangyou, Wang Wei, Guo Zhiwei, Wang Li..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has published Baoji Tianlian Huitong Composite Material patent application for Tensile Composite Pipe for Vertical Shaft and Matched Pipe Placing Auxiliary Device. The invention was developed by Wang Yaozhou, Jia Kangkang, Zhang Xiaoyu, Yang Zhifeng, He Wanyun, Zha..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Nanjing Orientleader Technology has applied Chinese patent for High-temperature Hot Air Injection Starting Hose and Preparation Process Thereof. Wang Liangyan, Song Yaping, Ge Zhengdong, Shang Chengguang and Zhi Zhonghua developed it. The patent application number is CN202511174177 20250821. The patent publ..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Liuan Zhongcai Pipeline Technology has filed a patent application for Adjustable Suspension Pipe Clamp. This invention was developed by Zhou Yajun, Zhu Dongsheng and Lu Chengcheng. The patent application number is CN202511135564 20250814. The patent publication number is CN120969591 (A). International Paten..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has received Sinohydro Bureau 3 patent application for Support Device Special for Cwfp Pipeline Installation. Tang Zhishuang, Jia Xiaojun, Dong Tengbo, Tian Peihe, Guang Zhaoyu, Long Zuhui, Lee Jun-sung, Zhang Yaohui, Zhang Qian, Huang Wei, Lyu Fei, Dong Yanxin, Cu..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Tianjin Construction City Construction Dev Co Ltd has submitted a patent application for Novel Building Drainage Pipeline Mounting and Fixing Structure and Mounting Process Thereof. Fu Hua, Tian Lai, Li Yanzhang, Hao Wenjing and Qu Hua developed the invention. The patent application number is CN2025112504..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Uni-Trend Technology China has filed a patent application for Underground Pipeline Path Detection and Leakage Point Detection Method, Device, Equipment and System. This invention was developed by Liu Chongmin, Yang Zhiling, Liao Jiating, Long Jizhi and Rong Senyu. The patent application number is CN20251137..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Beijing Kechuang Sansi Science & Tech Development Co Ltd has applied Chinese patent for Sound Array Monitoring and Positioning Device and Method for Station Yard Valve Chamber Pipeline Container Leakage. Wang Liangfeng, Yang Xiaofeng, Xin Yan and Hou Zhixin developed it. The patent application number is C..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Shangqiu Enn Gas Eng Co Ltd has filed a patent application for Indoor Gas Pipeline Gas Tightness Tester. This invention was developed by Li Rui, Xu Zhangquan, Wang Fei, Meng Lingzhen, Lu Keke, Cao Cheng, Cao Shubo, Wang Zengguang, Chen Fu, Guo Fangjian, Meng Fanning, Zhang Zhijian, Zhang Heng, Song Yonggang,..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has published Shenzhen Toprank Electronics Co Ltd patent application for IoT Fire-fighting Spraying Pipe Network Intelligent Micro-leakage Alarm Method and System Based on Time Period Pressure Drop and Pressure Fluctuation Analysis. The invention was developed by Z..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Electric Power Science Research Institute of State Grid Anhui Electric Power has sought patent for Converter Station Fire-fighting Foam Pipeline Leakage Point Detection Method and Device. This invention was developed by Zhang Jiaqing, Huang Yubiao, Xie Jia, Wang Liufang, Guo Yi, Shang Fengju, Liu Rui, Sun Ta..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has published Shanxi Research Institute For Clean Energy Tsinghua Univ and Yangquan Rongsheng Pipe Network Construction Invest Co Ltd patent application for Method for Rapidly Correcting Wave Velocity of Negative Pressure Wave of Long-distance Hot Water Delivery Pi..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has published Chengxi Shipyard patent application for Marine Pipeline Observation Flow Mirror with Lighting Function. The invention was developed by Ding Shengkai. The patent application number is CN202511369468 20250924. The patent publication number is CN1209697..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has received Wenzhou Wanwei Building Co Ltd patent application for Petroleum Pipeline Network Abnormity Identification and Early Warning System. Jiang Bo, Liu Chuang, Liu Bingchuan, Dang Kai, Zhang Zhimei, Fang Zhan and Wang Xiugang developed the invention. The ..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has received Shandong Water Invest Co Ltd patent application for Solar Self-powered Pipe Network Monitoring Device. Chen Lin, Zhang Kun, Sun Hao, Li Wenquan, Jiang Dawei, Ju Xiaobin and Song Min developed the invention. The patent application number is CN2025118..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Beijing Deliheng Tech Development Co Ltd has submitted a patent application for Intelligent Data Visualization and Regulation and Control System of Pipe Network Valve. Wang Bin, Sachihiro, Qiao Guanbin, Shi Keyao and Yu Haomin developed the invention. The patent application number is CN202511447335 202510..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Changjiang Santacc Energy Tech Co Ltd has submitted a patent application for Hydrogen Supply Confluence Pipeline Skid-mounted System. Peng Xu, Liu Jianchun, Liu Jiacheng, Wang Hongfu, Wang Aichuan, Zhang Peng, Zhang Zongyao and Wu Haotian developed the invention. The patent application number is CN2025112..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Yangtze University has applied Chinese patent for Oil and Gas Storage and Transportation Pipeline Monitoring Method and System. Liu Bing and Huang Hao developed it. The patent application number is CN202511215591 20250828. The patent publication number is CN120969737 (A). International Patent Classification..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Shenzhen Qingbaohong Tech Development Co Ltd has filed a patent application for Anti-sliding Support and Pipeline Endoscope Device. This invention was developed by Liu Jianchun and Liu Zhiguo. The patent application number is CN202511233862 20250829. The patent publication number is CN120969665 (A). Inter..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has published Shanghai Installation Engineering Group patent application for Heat Preservation Pipe Shell Integrally Formed by Pipeline Heat Preservation and Aluminum Sheet Protection Shell. The invention was developed by Zhao Feng, Lu Jiahua, Hu Yi, Ye Jin, Liu Ji..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has released Jubian Xinneng Anhui Co Ltd patent application for Steam Conveying Pipeline and Heat Supply System. This invention was developed by Jiang Xiaoyu and Li Linghao. The patent application number is CN202511260045 20250904. The patent publication number ..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Xinjiang Guantianxia Plastic Co Ltd has applied Chinese patent for Heat Insulation and Energy Saving Device and Method for Heat Distribution Pipeline. Zhang Zhilei, He Yuyan, Yan Zhi and Li Yangyang developed it. The patent application number is CN202511249628 20250903. The patent publication number is CN..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Tianjin Yugang Keep Warm Construction Material has filed a patent application for Prefabricated Directly-buried Thermal Insulation Pipe and Preparation Method Thereof. This invention was developed by Wang Hengchao, Zhu Zengwei, Wang Henggang, Liu Jian and Su Shanshan. The patent application number is CN2025..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Hongmu Qingdao Electromechanical Engineering Tech Co Ltd has submitted a patent application for Anti-corrosion and Water-rust-proof Heating Pipeline System. This invention was developed by Xu Yanguang. The patent application number is CN202511294460 20250911. The patent publication number is CN120969637 (..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Jiangxi Univ Of Water Resources and Electric Power has submitted a patent application for Walking Device Used in Ash Silo Pipeline and Pipeline Robot. Lu Quanguo, Chen Haoyu, Yang Liming, Yu Hongtao, Xi Junmei, Chen Fan, Tu Longlong, Liu Guohui, Cheng Guangjun, Yang Wu and Gui Fangzhi developed the invention..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Jiangxi Xinchao Pipe Ind Co Ltd has submitted a patent application for Accurate Positioning and Detecting Device for Cipp Pipeline Repair. This invention was developed by Ouyang Pinggen. The patent application number is CN202511237815 20250901. The patent publication number is CN120969631 (A). Internation..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- State Intellectual Property Office of China has published Hubei Wangxin Construction and Yangtze University patent application for Lining End Sealing Equipment for Pipeline Repairing Construction Through Ultraviolet Light In-situ Curing Method. The invention was developed by Wu Chaoyi, Chen Deyi, Fu Kemao, X..

Pipe

  |  Tue 31 Mar 2026

Beijing, March 31 -- Changjiang Ecology Environmental Protection Group has submitted a patent application for Non-excavation Ultraviolet Curing Repair Construction Method for Municipal Old Pipe Network. This invention was developed by Zhang Jun, Huang Shengyuan, Jiang Bin and Zhou Li. The patent application number is CN20251129..
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