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Pipe
| Tue 26 May 2026
Beijing, May 27 -- Lianyungang Pengchen Special New Mat Co Ltd has submitted a patent application for Multi-section Rectification Equipment with Spiral Cooling Pipe and Process Method. Chen Liang, Tian Yuan, Liu Suoping, Tang Zheng and Peng Xiaoyu developed the invention.
The patent application number is CN20251240874 2025123..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has released Shenzhen Lvjinsheng Tech Co Ltd patent application for Multi-core Pipe Parallel Main and Auxiliary Cavity Rotational Flow Oil-gas-water Separation System and Separation Method. This invention was developed by Zou Ka.
The patent application number is C..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- Fang Qing has submitted a patent application for Adjustable Electromechanical Pipeline Support Device.
The patent application number is CN202511614800 20251106. The patent publication number is CN121425995 (A). International Patent Classification codes are B66F7/00, B66F7/28 and F16L1/06.
An abstract ..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- Shenzhen Huaxi Installation Eng Co Ltd has filed a patent application for Self-locking Anti-sliding Auxiliary Stabilizing Device for Hoisting Steel Pipe Vertical Pipe. This invention was developed by Chen Jiqin, Cai Xiaowei and Pan Caibing.
The patent application number is CN202511698030 20251119. The paten..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- Guangdong Heli Plastic Co Ltd has submitted a patent application for Adjustable Efficient Automatic Pipe Arranging Device. Yang Kaiguo, Wei Shangmao and Chen Jianqiang developed the invention.
The patent application number is CN202511941825 20211025. The patent publication number is CN121425910 (A). Interna..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- Tianjin Youfa Dezhong Steel Pipe Co Ltd has submitted a patent application for Distribution Device and Distribution Method in Multiple Guide Rails of Galvanized Pipe Production Line. This invention was developed by Shen Yongdong, Ding Xiuchen, Yang Yuzhi, Gao Hongquan, Shi Yucheng, Wang Shouchen, Wu Haitao, Hu..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- Hengshui Kelitong Hydraulic Rubber & Plastic Tech Co Ltd has submitted a patent application for Intelligent Suspension Conveying System for Production and Transfer of Super-long Rubber Pipes. This invention was developed by Meng Zihan and Meng Zhaofeng.
The patent application number is CN202511807266 202512..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has published Changzhou Tengfei Special Material Tech Co Ltd patent application for Ultrathin-wall Stainless Steel Pipe Conveying Equipment. The invention was developed by Li Jun, Lu Zhuying, Qian Peihong, Huang Zhiqiang and Gong Wei.
The patent application number..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- Zhejiang Yueding Corrugated Tube Co Ltd has applied Chinese patent for Storage Tank Drain Pipe and Working Method Thereof. Chen Falong, Chen Xinxin, Chen Zhouqiong, Zheng Weisheng and Zhang Ahai developed it.
The patent application number is CN202511739925 20251125. The patent publication number is CN121425..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has received Shanghai Longyang Prec Compound Copper Pipe Co Ltd patent application for Copper Pipe Container Encasement Device and Method. Ma Rungong, Wang Changsheng, Yang Kun, Sun Chun, Li Jindong, Chang Jianyong, Li Wenke and Zhao Zengyuan developed the invention...
Pipe
| Tue 26 May 2026
Beijing, May 27 -- Yongkang Haili Hongcheng Ind and Trade Co Ltd has submitted a patent application for Wall-mounted Dust Collector with Dust Collection Hose in Power-on Design. Zhao Hongwen and Shao Yujun developed the invention.
The patent application number is CN20251203475 20251229. The patent publication number is CN1214..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has released Hebei Huidong Pipeline Co Ltd patent application for Spraying System for Polyurethane Thermal Insulation Layer of Thermal Insulation Pipe and Operation Method of Spraying System. This invention was developed by Wu Yuexing, Li Fusheng, Wu Xiaoyang, Xu Lon..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- AVIC Xi'an Aircraft Industry Group Co Ltd has submitted a patent application for Forming Tool and Preparation Method of Variable-thickness Composite Pipe Fitting. This invention was developed by Li Qihui, He Liang, Pang Xinqiang, Lei Yang and Yuan Jianfeng.
The patent application number is CN202511830658 20..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- Hangzhou Jialei Environmental Protection Tech Co Ltd has submitted a patent application for Waste Crushing and Recycling Device for PVC (polyvinyl Chloride) Pipes. Wang Fenlan, Qiu Yingu and Jiang Yeping developed the invention.
The patent application number is CN20251227865 20251230. The patent publication..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- Jiangsu Huayuan Luda Pipeline Tech Co Ltd has applied Chinese patent for Segmentation and Flattening Pretreatment Device Based on Recycling and Reusing of Defective Pe Pipes. Xing Likun, Liang Jun and Si Yanjie developed it.
The patent application number is CN20251205277 20251229. The patent publication num..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- Jiangsu Huayuan Luda Pipeline Tech Co Ltd has submitted a patent application for Waste Plastic Pipeline Recovery Device. Xing Likun and Liang Jun developed the invention.
The patent application number is CN202511840768 20251208. The patent publication number is CN121424551 (A). International Patent Classifi..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has released Yima High Tech Dev Jiangsu Co Ltd patent application for Portable Pipe Pile Steel Die Bearing Device. This invention was developed by Shi Lixia.
The patent application number is CN202511596139 20251104. The patent publication number is CN121424517 (A)..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- Changzhou Muen Plastic Ind Products Co Ltd has applied Chinese patent for Plastic Air Conditioner Pipe Fitting Processing Equipment and Processing Technology Thereof. Xu Jintao, Ding Haiyan and Zhu Lele developed it.
The patent application number is CN202511623470 20251107. The patent publication number is ..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- Shandong Huarui Rubber Pipe Ind Co Ltd has sought patent for Rubber Hose Positioning, Destressing and Precise Cutting Device and Method. This invention was developed by Xiao Chunlin, Chen Mingliang, Jin Yali, Shen Guo, Wang Zouhan, Xu Dejing, Zhao Jiudong and Wu Hai.
The patent application number is CN20251..
Pipe
| Wed 27 May 2026
Rome, May 27 -- LPG Group SRL has submitted a patent application for Safety Device for Pipes to Dispense a Fluid.
The patent application number is IT20200003299 20200218. The patent publication number is IT202000003299 (A1). International Patent Classification code is F16L. Cooperative Patent Classification codes are F16L27/..
Pipe
| Wed 27 May 2026
Rome, May 27 -- Italian Patent and Trademark Office has received Sica SpA patent application for Automatic Belling Machine and Method for Belling Pipes Made of Thermoplastic Material. Tabanelli Giorgio and Secchiari Marco developed the invention.
The patent application number is IT20200002173 20200204. The patent publication ..
Pipe
| Wed 27 May 2026
Rome, May 27 -- Sica SpA has applied Italian patent for Automatic Belling Machine and Method for Belling Pipes Made of Thermoplastic Material. Tabanelli Giorgio developed it.
The patent application number is IT20200002182 20200204. The patent publication number is IT202000002182 (A1). Cooperative Patent Classification codes a..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Jiangsu Kuncheng Metal Tech Co Ltd has filed a patent application for Efficient and Accurate Automatic Cutting Machine for Stainless Steel Round Pipe. This invention was developed by Long Qi, Tang Gang and Li Shisheng.
The patent application number is CN202511786981 20251201. The patent publication number i..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has published Qingdao Henglisheng Electric Fittings Co Ltd patent application for Air Conditioner Copper Pipe Cutting Device. The invention was developed by Li Desheng and Li Weiping.
The patent application number is CN202511772803 20251128. The patent publication..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Jiangyin Mingsheng Pipe Ind Co Ltd has submitted a patent application for Stainless Steel Pipe Precise Fixed-length Cutting Equipment for Cold Rolling Mill. Sun Qi, Gou Min, Tani Kohei, Ji Shenghua and Ren Qiaohong developed the invention.
The patent application number is CN202511737961 20251125. The patent..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has received Sichuan Zhuntai Prec Machinery Manufacturing Co Ltd patent application for Automatic Drilling Device and Drilling Method for Silencing Pipe Joint. Wang Dong, Zhuang Jihai and Shu Xiangdong developed the invention.
The patent application number is CN20..
Pipe
| Wed 27 May 2026
Kilkenny, May 27 -- Irish Patents Office has received Newrock Engineering Ltd patent application for a Hose Support Arrangement. Hughes Samuel developed the invention.
The patent application number is IE20140000076 20140318. The patent publication number is IE20140076 (A1). International Patent Classification code is F16L3/02..
Pipe
| Wed 27 May 2026
Rome, May 27 -- Universalflex Group SRL has submitted a patent application for Annular Connecting Element Applicable to the End of a Flexible Hose. Crespi Carlo Francesco developed the invention.
The patent application number is IT20200003185 20200219. The patent publication number is IT202000003185 (A1). International Patent..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has published Suzhou Flexible Precision Metal Tech Co Ltd patent application for Cold Heading Die Set of Inner Pipe and Forming Process. The invention was developed by Wang Chen and Xu Jianrong.
The patent application number is CN202511444738 20251010. The patent ..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has received Wuhu Yuanjing Plastic Products Co Ltd patent application for Broaching Machining Device for Air Conditioner Refrigeration Copper Pipe. Zhou Yanlin and Zhou Wenyi developed the invention.
The patent application number is CN202511859161 20251210. The pa..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Chengdu Zhengxi Intelligent Equipment Group Co Ltd has sought patent for Forming Die and Forming Method for Round-top and Square-bottom Pipe. This invention was developed by Zuo Qiang, Zeng Xuewen, Xiao Chuan and Wang Jing.
The patent application number is CN202511775044 20251128. The patent publication num..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has published Tianjin Daqi Air Conditioner Co Ltd patent application for Automatic Punching Device for Condenser Collecting Pipe. The invention was developed by Yin Bo, Fang Weijie and Song Tianxiang.
The patent application number is CN202511807980 20251203. The p..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Sichuan Zhuoyi Environmental Prot Energy Saving Equipment Co Ltd has submitted a patent application for Automatic Metal Pipe Bending Device. This invention was developed by Wen Changlong.
The patent application number is CN202511806686 20251203. The patent publication number is CN121423430 (A). Internationa..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has published Zhejiang Xinlong Ind Co Ltd patent application for Pipe Fitting Bending Device. The invention was developed by Yan Liuren and Wang Haixia.
The patent application number is CN202511771938 20251128. The patent publication number is CN121423427 (A). Int..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Zhongshan Yulong Electric Appliance Co Ltd has submitted a patent application for Low-flow-resistance Spiral Copper Pipe Machining Device and Process. This invention was developed by Lin Wenfu, Li Xiaojun and Li Shiyong.
The patent application number is CN202511687414 20251118. The patent publication number..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Dongying Gaoyuan Haitai Machinery Mfg Co Ltd has applied Chinese patent for Cold-rolling Pipe Mill for Cold-rolling Steel Pipe Production. Wang Qinghua, Zhang Ping, Song Qiang, Yu Jie and Xin Peng developed it.
The patent application number is CN20251225923 20251230. The patent publication number is CN12142..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Hongze Yiyang Steel Pipe Co Ltd has sought patent for Cold Rolling Device Capable of Controlling Thickness of Steel Pipe. This invention was developed by Wang Guobao, Qian Zhenghong and Shen Lingling.
The patent application number is CN202511609542 20251105. The patent publication number is CN121423378 (A)...
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has published Shandong Nuclear Power Company and China Institute for Radiation Protection patent application for Nuclear Power Pipeline Decontamination Device, Nuclear Power Pipeline Decontamination Method and Pipeline Cleaning Robot. The invention was developed by N..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Shenyang Dongrun Thermal Power Energy Co Ltd has filed a patent application for Dirt Cleaning Device for Heat Distribution Pipeline and Operation Method of Dirt Cleaning Device. This invention was developed by Ma Yao.
The patent application number is CN202511879794 20251212. The patent publication number is..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Beijing Longkexing Tech Group Co Ltd has filed a patent application for Self-pushing Type Pipeline Inner Wall Cleaning Device for Pipeline Repair. This invention was developed by Xu Min, Wang Lu, Huang Kai, Rao Mingyu, Ma Yue, Guo Jinxu, Tong Yiwei, Zhao Yunpeng, Wang Peng, Zhao Lei, Liu Dongyu, Zhang Xiaozhon..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has published Guangzhou Kinte Desheng Intelligent Equipment Co Ltd patent application for Self-adaptive Alignment Gun Feeding Device for Cleaning Condenser Copper Pipe. The invention was developed by Li Denglun, Guan Guisheng, Yue Yang, Guo Shaolin, Zeng Jianqiang, L..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Hangzhou Electrochemical Group Aux Chemical Co Ltd has submitted a patent application for Preparation Method of Poly (dihydric Alcohol Adipate) for Rubber Release Agent and Esterification Reaction Kettle with Inner Coil Pipe and Outer Coil Pipe. This invention was developed by Yu Zhaoyong, Wang Yanwei and Cai ..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Shanghai Xiejin Prec Stainless Steel Pipe Valve Co Ltd has submitted a patent application for Polishing Wheel Assembly and Pipe Fitting Polishing Device Comprising Same. Zhao Yanzhong and Liang Hongwei developed the invention.
The patent application number is CN202511894239 20251216. The patent publication ..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Wuxi Aoma Hvac Equipment Mfg Co Ltd has submitted a patent application for Air Pipe Adapter Welding Equipment. This invention was developed by Ge Jiamiao, Guo Chenfei, Bian Menghua and Zhang Zhixiao.
The patent application number is CN202511755341 20251126. The patent publication number is CN121423982 (A). ..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Offshore Oil Eng Qingdao Co has sought patent for Auxiliary Tool Facilitating Hook-up Pipeline Installation and Using Method Thereof. This invention was developed by Wei Shuguo, Shi Haifeng, Song Zengli, Ding Shuda, Guo Xiang, Xia Deliang, Liu Yanting, Yang Hao, Nie Zonghua and Yu Shanhao.
The patent applic..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Tengzhou Jinhengda Traffic Facilities Co Ltd has sought patent for Efficient Welding Method for Guardrail Steel Pipes. This invention was developed by Liang Fengkai, Xie Qing, Zhao Fengcheng, Peng Jiqing, Guo Deyu, Yan Zhenming and Wu Zhen.
The patent application number is CN20251230645 20251230. The patent..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Huizhou Yiteng Tech Co Ltd has submitted a patent application for Metal Pipe Welding Robot Control System. This invention was developed by Huang Wenbiao.
The patent application number is CN202511733679 20251124. The patent publication number is CN121423937 (A). International Patent Classification codes are ..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Changen Prec Machinery Changxing Co Ltd has filed a patent application for Laser Pipe Cutting Machine Capable of Fully Automatically Replacing Slag Pumping Rod and Replacing Method. This invention was developed by Tian Fei, Sun Jusheng and Pang Weihua.
The patent application number is CN202511880540 2025121..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Nantong Fangbang Electric Appliance Tech Co Ltd has submitted a patent application for Laser Cutting Equipment for Electric Appliance Connecting Metal Pipe. Cao Mumin developed the invention.
The patent application number is CN202511986263 20250908. The patent publication number is CN121423869 (A). Internat..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has released Changzhou China Welding Equipment Co Ltd patent application for High-stability Stainless Steel Pipeline Laser Cutting Device. This invention was developed by Wang Junjie, Wang Xingbo and Mao Mingmin.
The patent application number is CN202511799828 202..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Xian Tianli Clad Metal Mat Co Ltd has applied Chinese patent for Method for Manufacturing Aluminum-steel Composite Pipes in Batches at Low Cost. Shang Zhixuan, Li Donghai, Zhang Xudong, Xu Peng, Liu Linjie and Zhang Xin developed it.
The patent application number is CN20251234835 20251231. The patent public..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has released University of Science and Technology Beijing and China Nuclear Power Institute patent application for Pressure Resistance Welding Method and Application of Ods-fecral Pipe and End Plug. This invention was developed by Yang Shufeng, Liu Wei, Li Kangxue, X..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Casicc Intelligent Robot Co Ltd has filed a patent application for Device for Transmitting Data Inside and Outside Metal Pipeline. This invention was developed by Xu Yangyang, Li Shuo, Shen Zhihang, Yu Xiaofei and Zhao Shengli.
The patent application number is CN202511577547 20251031. The patent publication..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has released Zhuhai Dahengqin Urban Comprehensive Pipe Gallery Operation Man Co Ltd patent application for Pipe Gallery Cable Arrangement and Protection Method. This invention was developed by Zhang Wenhao, Zhang Fan, Wang Qipeng, Rong Zizhao, Huang Zuyu, Xu Gaohua, ..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Zhejiang Libo Holding Group Co Ltd has submitted a patent application for Preparation Method of Inner Insulating Material and Outer Aluminum Pipe Cable Structure. Zhang Peixin, Zhang Aosheng, Chen Jianhua, Zhao Jianfu and Hu Xiaojiang developed the invention.
The patent application number is CN202511479174 ..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Jining Power Supply Co Of State Grid Shandong Electric Power Co has submitted a patent application for Active External Damage Prevention System and Method for Underground Pipeline Channel. This invention was developed by Wei Yajun, Liu Minglin, Zhang Daotian, Wang Zhenxing, Lin Haoran, Liu Qing, Yang Pei, Zhan..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Saipem SA has applied Chinese patent for Method for Mounting at Least One Sleeve Around Partial Region of Underwater Fluid Transport Pipeline. Barlot Michel, Delaplace Thomas and Hort Emmanuel developed it.
The patent application number is CN20248041885 20240704. The patent publication number is CN121420151..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Shanghai Sansheng Health Tech Co Ltd has submitted a patent application for Chiplet Framework-oriented Integrated Radiating Corrugated Pipeline Manufacturing Method. Sheng Bin and Deng Pingfeng developed the invention.
The patent application number is CN202511500504 20251021. The patent publication number i..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Sysmos Inc has filed a patent application for Method for Determining Fluid Flow Characteristics of Pipeline by Utilizing Characteristics of Pipe Waves. This invention was developed by Dunham Edward M, Moos Daniel and Rahimi-aghdam Siddharth.
The patent application number is CN20248043661 20240620. The paten..
Pipe
| Tue 26 May 2026
Beijing, May 26 -- Xi'an Thermal Power Research Institute and Sichuan Huaneng Baoxinghe Water Power have submitted a patent application for Pipe Expanding Process of Hydro-generator Stator Cooler and Method for Calculating Wall Thickness of Copper Pipe. This invention was developed by Zhang Shiming, Shu Jin, Cheng Shuai, Wang Ju..
Pipe
| Tue 26 May 2026
Beijing, May 26 -- Goldcard Smart Group and Eslink Computing Hangzhou Co Ltd have submitted a patent application for Gas Pipe Network Leakage Detection Method, Device and System. This invention was developed by Zhang Yanwu, Song Kai, Liu Zongli, Chen Wei, Shen Lingxia and Geng Hongjiang.
The patent application number is CN202..
Pipe
| Tue 26 May 2026
Beijing, May 26 -- Jinan Urban Construction Group and Jinan City Construction Group have sought patent for Non-excavation Underground Pipeline Repairing Device. This invention was developed by Wang Chongli, Wang Chao, Han Yue, Lyu Quanmiao and Chen Huanyu.
The patent application number is CN202511999831 20251229. The patent p..
Pipe
| Tue 26 May 2026
Beijing, May 26 -- Shanghai Baoye Eng Technology Corp Ltd and Shanghai Baoye Group Corporation have filed a patent application for Non-excavation High-impermeability Repairing and Reinforcing Process Method for Underground Pipe Network in High-water-level Area Along River. This invention was developed by Liu Tianshun, Guo Jianhu..
Pipe
| Tue 26 May 2026
Beijing, May 26 -- GD Power Dev Co Ltd and Guoneng Guohua Beijing Gas Thermoelectricity Co Ltd have sought patent for Automatic Air Exhaust Valve for Pipeline and Control Method of Automatic Air Exhaust Valve. This invention was developed by Hara Teru, Liu Jianbo, Wang Yaping, Wang Yutian, Zhang Ming, Wang Yanzhi, Sun Zhen and C..
Pipe
| Tue 26 May 2026
Beijing, May 26 -- Yangtze River Three Gorges Group Ind Development Beijing Co Ltd and China Three Gorges have submitted a patent application for Water Quality Tracing Method and Device for Drainage Pipe Network, Electronic Equipment, Medium and Product. Liu Wei, Zhao Zhichao, Wang Wanqiong, Yin Wei, Peng Shouhai and Zhang Chung..
Pipe
| Tue 26 May 2026
Beijing, May 26 -- China Three Gorges Construction Engineering Group and Henan Gongyi Pumped Storage Co Ltd have applied Chinese patent for Intelligent Monitoring Method and System for Pumped Storage Power Station Pipe Gallery Drainage and Storage Medium. Shi Hongtao, Kuai Anqi, Wang Pengbo, Kong Yong, Mo Zhikun, Zhou Kerui and ..
Pipe
| Tue 26 May 2026
Beijing, May 26 -- China International Water & Electric and China Hydropower Dev Co Ltd have filed a patent application for Mounting, Positioning and Hydraulic Device for Water Distribution Ring Pipe of Impact Water Turbine. This invention was developed by She Weiwei, Zhou Yunxin, Wei Junchao, Wu Xuhui, Chen Guolong and Zhang Le..
Pipe
| Tue 26 May 2026
Beijing, May 26 -- National Petroleum Pipeline Network Group and National Pipe Network Group Engineering Tech Innovation Co Ltd have applied Chinese patent for Experimental Device and Experimental Method for Brine Discharging Pipe Column in Salt Cavern Energy Storage Cavern Shaft. Leng Xulin, Ma Tao, Gao Yan, Xin Chuanqi, Chen W..
Pipe
| Tue 26 May 2026
Beijing, May 26 -- Xi'an University of Science and Technology and Xi'an Special Equipment Inspection Institute have submitted a patent application for Device Capable of Being Continuously Used for Pipeline Welding Seam Detection and Detection Method Thereof. This invention was developed by Zhao Kuan, Hao Jiayang, Zhang Jianlong,..
Pipe
| Tue 26 May 2026
Beijing, May 26 -- China Nat Offshore Oil Corp and Offshore Oil Engineering have sought patent for Sea Loss Assessment Experimental Device for Artificial Backfill of Submarine Pipeline. This invention was developed by Hu Chunhong, Ma Kunming, Sun Guomin, He Yang, Ju Wenjie, Wang Leqin, Zhao Dang, Zhang Ying, Yuan Jiankang, Zhai ..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has released Wuhan University of Technology patent application for Metal Corrugated Pipe Inner Concave Type Forming Device and Method. This invention was developed by Chen Yizhe, Kuang Wenfeng, Hong Feng, Han Quanfeng, Wang Hui and Hua Lin.
The patent application nu..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Harbin Institute of Technology has submitted a patent application for Ultralow-temperature Forming Device and Method for Aluminum Alloy Bent Pipe. Liu Wei, Zhou Huabo and Yuan Shijian developed the invention.
The patent application number is CN20251207303 20251229. The patent publication number is CN121423428..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has published Inner Mongolia Shanghaimiao Mining Industry patent application for Special Forming Die for Machining Underground Pipeline Hoop. The invention was developed by Chen Jiangang, Zhang Jixiang, Liu Xun, Hao Qingwang, Liu Tongshen, Zhang Xiaoping, Peng Zhongw..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Zhengjiang Changxing Heliang Intelligent Equipment has sought patent for Pipe Bending Machine Clamping Mechanism Driven by Servo Motor. This invention was developed by Li Liangyou, Wang Yuanbin and Zhu Hongbiao.
The patent application number is CN202511938872 20251222. The patent publication number is CN12142..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- China Second Metallurgy Group has submitted a patent application for Cleaning Device and Method for Line Pipe Foreign Matter Blockage. Liu Haibo, Zhao Lixin, Li Pengyi, Shi Jianping, Feng Junqiang, Li Na and Wang Xiangrong developed the invention.
The patent application number is CN202511920941 20251218. The ..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- China Harbour Engineering has filed a patent application for Method for Repairing Damage of Anticorrosive Coating of Steel Pipe Pile in High-salt and High-temperature Environment. This invention was developed by Zhao Jun.
The patent application number is CN202511562899 20251029. The patent publication number ..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Shenzhen Fangyuan Automatic Equipment has filed a patent application for Automatic Guide Pipe Gluing Device. This invention was developed by Wang Qingfeng and Lu Shengjue.
The patent application number is CN202511838425 20251208. The patent publication number is CN121423182 (A). International Patent Classific..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- Heilongjiang Construction and Installation Group has applied Chinese patent for Dirt Separator for Filtering Impurities and Dirt in Urban Heat Supply Pipeline. Wang Xu, Han Yanheng, Liu Xiaozhu, Sun Jing, Wang Xianfu, Shao Zhenlei, Xu Yingxin, Ma Hongyan, Wang Yongqiang and Yang Lijun developed it.
The patent..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- Anqing TP Powder Metallurgy has submitted a patent application for Automatic Material Collecting Mechanism for Valve Guide Pipe Machining and Guide Pipe Material Collecting Method. Jin Lei, Xuan Jun, Liang Fujin, Cao Jindong, Fang Yi and Xiong Hongbo developed the invention.
The patent application number is C..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- Dongguan Weichuang Electronic Technology has submitted a patent application for Vacuum Liquid Injection Integrated Equipment for Heat Conduction Pipe. Feng Weifu and Feng Shilei developed the invention.
The patent application number is CN202511775890 20251128. The patent publication number is CN121425789 (A)...
Pipe
| Tue 26 May 2026
Beijing, May 27 -- Kunming University has filed a patent application for Automatic Round Pipe Body Feeding and Discharging Machine for Industrial Production Line. This invention was developed by Hu Yunlin, Zhang Lianzhi, Wei Liuchuang, Cao Xianzhi, Zhong Shice, Xie Dekui, Yang Fu, Wang Yinye, Zhang Guangchuan and Duan Congli.
T..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has received Linhai Weixing New Building Materials patent application for Automatic Cleaning and Re-code-spraying Device and Method for Printing Ink Code Spraying of Pipe. Zhu Hui, Zheng Chaoliwei, Chen Ying, Luo Yuhang and Zhou Qingguo developed the invention.
The ..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has released Rifeng Enterprise (Tianjin) patent application for PE-RT Pipe and Preparation Method Thereof. This invention was developed by Cheng Xiaoxue, Lyu Ailong, Wu Shuheng and Chen Si.
The patent application number is CN20251205069 20251229. The patent publicat..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has released Harbin FRP Institute patent application for Pe Pipe and Pe End Socket Plugging Method. This invention was developed by Xie Tieqin, Zhang Yunfeng, Liu Xinyi, Yang Jinze, Su Yang and Liu Yongchun.
The patent application number is CN202511853689 20251210. ..
Pipe
| Tue 26 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has received Shandong Huanhai Plastic Industry patent application for Waste Utilization Device for Pe Pipeline Manufacturing. Ma Changsheng, Lyu Chunyu and He Guannan developed the invention.
The patent application number is CN202511820408 20251204. The patent publi..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has released Daye Special Steel patent application for Hot-rolled Steel Pipe Surface Grinding Device. This invention was developed by Huang Haiqiang, Shao Fuan, Zhu Liang, Ma Xiangjun and Xing Shenglin.
The patent application number is CN202511766387 20251127. The p..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has released Zhangjiagang Xiafei Plastic patent application for Liquid Spraying Pipe Inserting Unit of Multi-station Spraying Head Assembling Equipment. This invention was developed by Xu Yuenian.
The patent application number is CN202511857092 20251016. The patent ..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has published Chengdu Environmental Engineering Construction patent application for Municipal Sewage Pipeline Welding Tool. The invention was developed by Zhang Peng, Zhao Xiaodong, Shi Xiaobin, Ma Chunlin, Li Wei and Yuan Hao.
The patent application number is CN202..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Shandong Huayi Engineering Technology has submitted a patent application for Municipal Heat Distribution Pipeline Welding Positioning Device and Method. This invention was developed by Feng Bin, Jiang Xu, Wang Yongqing, Wang Guixue, Jia Bo, Li Chuanling, Xu Baode and Zhang Xinquan.
The patent application numb..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Nanjing Gaoda Stainless Steel has filed a patent application for Welding Joint Filling Supporting Device for Stainless Steel Pipe Fitting. This invention was developed by Tao Jin, Jiang Shouhua, Zheng Huaze and Gao Lihong.
The patent application number is CN202511576623 20251031. The patent publication number..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Jinan Bodor Laser has sought patent for Advanced Anti-collision Detection Method and Equipment for Laser Head of Pipe Machine and Medium. This invention was developed by Yang Qingyu, Kong Wenyi and Li Zongyao.
The patent application number is CN202511838187 20251208. The patent publication number is CN1214238..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has published Jiangsu Hengsheng Technology patent application for Welding Positioning Device for Water Pipe Connector. The invention was developed by Wu Wenan, Wu Zhi, Xiao Peng and Zhang Ke.
The patent application number is CN202511640867 20251111. The patent publi..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has published Wuchang Shipbuilding Industry Group patent application for Automatic Welding System for Pipe Connecting Parts. The invention was developed by Li Wenshi, Li Sheng, Li Gang, Chu Yitao, Leng Daiyou and Xiao Jingzhi.
The patent application number is CN2025..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Bohai Shipbuilding of China State Shipbuilding has sought patent for Jig for Vertically Cutting Round Pipe. This invention was developed by Zhang Donghui, Xu Yi, Yin Xiaokai, Man Xiaozhu, Geng Yipeng, Wu Liping, Yu Qingyao and Yoo Hyuk.
The patent application number is CN202511804347 20251203. The patent publ..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has published Bohai Shipbuilding of China State Shipbuilding patent application for Pipe Inclined Longitudinal Bisection Jig, Band Sawing Machine and Method. The invention was developed by Zhang Donghui, Zhao Yuehua, Lv Zengke, Jia Di, Man Xiaozhu, Wang Manxi, Yin Xi..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Zhejiang Yongshang Special Material has filed a patent application for Segmented Cutting Device for Seamless Steel Pipe Manufacturing. This invention was developed by Deng Zhijian, Fang Dewei, Zhang Guangjin and Shao Jiangang.
The patent application number is CN202511843677 20251209. The patent publication nu..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- State Intellectual Property Office of China has received Wuhu Xinxing Ductile Iron Pipes patent application for Casting Blank Cutting Device. Zhang Hongbiao, Liu Zhiyong, Li Hai, Yang Renqiang, Fan Shichao and Wang Guoliang developed the invention.
The patent application number is CN202511701787 20251119. The..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Hangyu Zhizao Beijing Engineering Technology has submitted a patent application for Integrated Pipe Blank Sealing and Punching Device for Hot Gas Bulging Forming. Xie Yasu, Peng Xiaokang, Liu Jiannian, Zhou Xiaolong and Huang Jiliang developed the invention.
The patent application number is CN202511693496 202..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Guangxi University of Science and Technology has filed a patent application for Forming Method and System of Bimetal Composite Pipe. This invention was developed by Zu Shiming, Wang Pengcheng, Li Jian, Liang Peng, Xu Li, Sun Yi and Wang Jiachen.
The patent application number is CN202511549959 20251028. The pa..
Pipe
| Wed 27 May 2026
Beijing, May 27 -- Foshan City Shunde District Tianju Electrical Appliance Industrial has applied Chinese patent for Automatic Pipe Penetrating Machine for Terminal. Yang Zhihua, Xiao Chunhe, Chen Jiusheng, He Shaojin, Zhong Fudong and Li Junlin developed it.
The patent application number is CN202511941291 20251222. The patent ..
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