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Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- CCCC First Highway Engineering Group and Haiwei Engineering Construction of FHEC of CCCC have applied Chinese patent for Large-deformation-section Double-layer Steel Arch Clamping Steel Corrugated Pipe Flexible Supporting Structure and Construction Method. Wu Lihui, Li Bin, Wang Ying, Zhang Jialong, Gu Dayong,..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Guangdong Construction Eng Group Holding Co Ltd and Guangdong Construction Engineering Group have sought patent for Construction Method for Building Sewage Pipe Network by Arranging Gas Exploratory Well in Penetrating Mode and Pipe Network Structure of Sewage Pipe Network. This invention was developed by Hong ..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- China Yangtze Power and Ecological Environment Monitoring and Scientific Research Center of Yangtze River Basin Ecology and Environment have submitted a patent application for Device and Method for Preventing and Controlling Limnoperna Fortunei in Pipeline Based on Conductive Composite Covering Net. This inven..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- China MCC20 Group Corporation and Hubei MCC20 Construction Co Ltd have applied Chinese patent for Construction Method of Temporary Support for Urban Underground Pipeline Excavation. Jiang Zhaokun and Liu Zhiqi developed it.
The patent application number is CN202511938011 20251222. The patent publication num..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- State Grid Jiangsu Electric Power Co Ltd Construction Branch; Hohai University and State Grid Jiangsu Electric Power Co Ltd have sought patent for Controllable Grouting Steel Pipe Screw Pile Based on Built-in Piston Extrusion and Variable-diameter Blades and Construction Method of Controllable Grouting Steel P..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Luoyang Institute of Science and Technology, North China University of Water Resources & Electric Power and Zhengzhou New Dafang Heavy Industries & Tech Co Ltd have filed a patent application for AI Self-learning Tunnel Pipeline Transport Vehicle Anti-wall-climbing System and Control Method. This invention was..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- First Branch Of Tianjin Youfa Steel Pipe Group Co Ltd and Tianjin Youfa Steel Pipe Group Co Ltd have applied Chinese patent for Galvanized Pipe High-humidity Environment Corrosion-resistant Compound Film Forming Device and Method. Mao Liguo, Jin Yongzhe, He Guohua, Huang Zhigang, Niu Hongyan, Liu Peibo, Zhu Ru..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Xi'an Thermal Power Research Institute, Yuhuan Branch Huaneng Zhejiang Energy Dev Co Ltd and Huaneng Zhejiang Energy Dev Co Ltd have submitted a patent application for Recovery Heat Treatment Method for Novel Pre-deformed Nickel-iron-based High-temperature Alloy Pipe. This invention was developed by Li Limin,..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jiangsu Sobute New Mat Co Ltd, Jiangsu Meite Super Materials Tech Co Ltd and Southeast University have submitted a patent application for Organic-inorganic Nano Composite Pipeline Thermal Insulation Material as Well as Preparation Method and Application Thereof. This invention was developed by Zhang Qian, Yu C..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jiangsu Changbeichen Machinery Co Ltd and Huaiyin Institute of Technology have filed a patent application for Automatic Pipe Extruding, Cutting and Chamfering Integrated Equipment and Using Method Thereof. This invention was developed by Gao Shan, Zhou Liyun, Zheng Erzhu, Chen Zhong and Chang Shike.
The pat..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- CGN Inspection Tech Co Ltd and Suzhou Nuclear Power Research Institute have submitted a patent application for Tool for Cutting Filiform Foreign Matters Between Pipes of Steam Generator. This invention was developed by Song Mengying, Wu Weirang, Cheng Zhifeng, Ma Long and Xu Ning.
The patent application num..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Baoding Lida Plastic Ind Co Ltd and Wuhu Mafeihe Machinery Tech Co Ltd have applied Chinese patent for Biaxially-oriented Polyolefin Pipe and Preparation Method Thereof. Li Zhanguo, Yang Xuanhe, Zhang Panpan, Li Yanying and Wei Daiwen developed it.
The patent application number is CN202511867380 20251211. T..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Lanzhou University of Technology and Jinchuan Group Nickel Alloy Co Ltd have submitted a patent application for Manufacturing Method of Thin-wall Nickel-based Superalloy Bent Pipe Part. This invention was developed by Liang Zhenglong, Zhang Guoqiang, Miao Chengpeng, Dong Shengmao, Sun Quanzhen and Niu Liqun.
..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Laoshan National Laboratory and Shandong Rizhao Dawang Clean Energy Co Ltd have submitted a patent application for Super-hydrophobic Corrosion-resistant Coating for Seawater Electrolysis Hydrogen Production Pipeline and Preparation Method of Super-hydrophobic Corrosion-resistant Coating. This invention was dev..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- China Tian Ying Inc and Jiangsu Tianying Environmental Protection Energy Complete Equipment have applied Chinese patent for Fire-fighting Pipeline Arrangement Mode for Semi-open Dry Material Storage Yard in Cold Region. Cheng Jian, Wang Jia and Liu Jin developed it.
The patent application number is CN202511..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Shangxi Fenxi Mining Ind Group Co Ltd and Shanxi Fenxi Mining Group Shuguang Coal Mine have submitted a patent application for Conveyor Belt Longitudinal Beam Pipe Water Inlet and Drainage Device. Li Haiyan, Li Hongbin, Li Wenlin, Zhao Haijun, He Haijun, Li Zhongqi, Liang Changchen and Zhao Lingling developed ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- AECC Aero Sci & Tech Co Ltd has sought patent for Quick Positioning Clamp for Brazing of L-shaped and T-shaped Mouthpiece Pipelines. This invention was developed by Zuo Zhijian, Zhang Xiaohua, Yuan Shulin, Zeng Hao, Li Xuemei, Luo Shuchao, Wu Tianwen, Sun Sihao, Zhou Long, Xie Kai and Huang Siyuan.
The pate..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Dazhong Mining Ind Co Ltd has submitted a patent application for Tunnel Surrounding Rock Water Drainage Pipe. This invention was developed by Yang Xiaolin, Ma Hongwei, Ren Zhizhong, Zhou Jianbo and Liu Haiquan.
The patent application number is CN202511699374 20251119. The patent publication number is CN1214..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Beijing Heli Qidian Tech Co Ltd has sought patent for Sliding Sleeve Type Controllable Aicd Water Control Screen Pipe Device. This invention was developed by Chen Yanhong.
The patent application number is CN20261008004 20260106. The patent publication number is CN121473768 (A). International Patent Classifi..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Shanxi Maohui Energy Tech Co Ltd has filed a patent application for Device Capable of Cleaning and Recovering Oil Stain on Surface Layer of Oil Pipe During Well Repair. This invention was developed by Lan Zijian, Wang Jiyuan, Wang Yue, Guo Zhiliang, Li Shaoying, Li Chen and Mai Zhiqiang.
The patent applicat..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Panjin Haochen Tech Development Co Ltd has submitted a patent application for Full-automatic Oil Pipe Warehouse. Lu Huice, Tan Kaili, Liu Bao and Yu Hongchun developed the invention.
The patent application number is CN202410902310 20240706. The patent publication number is CN121473705 (A). International Pat..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Shaoxing Seiko Green Building Integrated Systems Ind Co Ltd has applied Chinese patent for Steel Pipe Truss Composite Floor Slab with T-shaped Perforated Rib Plates and Construction Method of Steel Pipe Truss Composite Floor Slab. Zhao Yang, Fu Haitao, Xu Lifeng, Jin Feifei, Xu Yangyang, Shi Zhangjun, Feng Lif..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- State Intellectual Property Office of China has received The Second Eng Company Of CCCC Fourth Harbor Eng Co Ltd patent application for Sealing Waterproof Construction Method and Waterproof System for Pipe Gallery Joint and Pipe Gallery System. Fang Xiangcong, Li Weiwei, Bi Jinhua, Xu Chengxiang, Lan Yiyong, L..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Tianjin Shengyi Tech Development Co Ltd has submitted a patent application for Steel Pipe Necking Machining Device and Method. Guo Hao, Guo Jing and Huo Baofeng developed the invention.
The patent application number is CN202511797264 20251202. The patent publication number is CN121467563 (A). International ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has published Zhaoqing City Feihong Machinery & Electrical Co Ltd patent application for Pipe Diameter Reducing Machine and Production Method. The invention was developed by Zhu Shaoxiong, Zhong Ruiyun, Zeng Xiangyun, Chen Jierong and Zhu Yongqiang.
The patent app..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Guangzhou Yinggute Intelligent Equipment Co Ltd has submitted a patent application for Pipe Carrying Mechanism and Pipe Punching Machine. This invention was developed by Mo Ciying and Mo Haokai.
The patent application number is CN202511712823 20251120. The patent publication number is CN121467544 (A). Inter..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jiangsu Longda Super Alloy Co Ltd has sought patent for Short-process Nickel-based Alloy Pipe Production Process. This invention was developed by Li Jindi, Zhu Xueqing, Urakichi, Weng Fanzhen and Pu Yilong.
The patent application number is CN202511727499 20251124. The patent publication number is CN12146750..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has published Tieling Yingang Rubber Products Co Ltd patent application for Double-air-bag Inflation Plugging Device Capable of Being Operated by Mechanical Arm and Used for Cast Pipe Lining Coating. The invention was developed by Zhang Xiyue and Qi Xiaoqi.
The pa..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Bozhou Qingting Biological Tech Co Ltd has filed a patent application for Irrigation Device and Matched Hose Nozzle. This invention was developed by Zhao Yuqiu.
The patent application number is CN20251240944 20251231. The patent publication number is CN121464905 (A). International Patent Classification code..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Liu Xiaoge has submitted a patent application for Foldable and Movable Sprinkling Irrigation Branch Pipe Support. This invention was developed by Liu Xiaoge, Wang Xiaolei and Luo Mingda.
The patent application number is CN202511792339 20251201. The patent publication number is CN121464903 (A). International..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Heshan Jinzhou Copper Ind Co Ltd has sought patent for Drawing Machine for Copper Pipe Head Manufacturing. This invention was developed by Huang Hongzhen and Huang Hongliang.
The patent application number is CN20261013778 20260107. The patent publication number is CN121467494 (A). International Patent Class..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Liaoning Fusheng Metal Composite Plate Co Ltd has sought patent for Nickel-based Pipeline Steel Composite Plate Rolling Device. This invention was developed by Wang Yang and Liu Chao.
The patent application number is CN202511812807 20251204. The patent publication number is CN121467485 (A). International Pa..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Dehao Heavy Ind Jiangsu Co Ltd has applied Chinese patent for Stainless Steel Pipe Cold Rolling Machining Device. Zhu Liangbiao developed it.
The patent application number is CN202511954542 20251223. The patent publication number is CN121467484 (A). International Patent Classification code is B21B39/02. Coo..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Anhui Zhiyue Tech Co Ltd has submitted a patent application for Magnetic Type Ball Wheel Pipeline Rust Removal Robot. This invention was developed by Wang Dakun, Ruan Xueyun, Wang Le, Wang Hongfei, Jiang Pengsheng, Bo Zhiguo, Tang Zixiang, Xie Zhen, Lei Defeng and Yu Yanqing.
The patent application number i..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jiangsu Sunco Boiler Co Ltd has submitted a patent application for Equipment and Method for Removing Welding Slag of Boiler Pipeline with Closed End. This invention was developed by Luo Hui, Gu Haihong and Lu Shunyan.
The patent application number is CN20251235561 20251231. The patent publication number is ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Huaneng Huajialing Wind Power Generation Co Ltd has submitted a patent application for Cleaning Robot Suitable for Circular Pipeline. Liu Qiqi, Zhang Zheng, Gao Weijie, Xu Yilian and Chen He developed the invention.
The patent application number is CN202511544198 20251028. The patent publication number is C..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Siemens Ltd, China patent application for Cleaning Method and Cleaning Device for Material Pipeline, Conveying System and Storage Medium. He Xinkai and Liu Xin developed the invention.
The patent application number is CN202511508972 20251021. The pate..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has released Jiangsu Blue Whale Marine Tech Co Ltd patent application for Hydrodynamic-force-driven Ecological Scrubbing Device for Submarine Pipeline. This invention was developed by Xiong Lijuan.
The patent application number is CN20261016833 20260107. The paten..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Chongqing Chuandong Shock Absorber Mft Co Ltd has applied Chinese patent for Front Fork Pipe Cleaning Device for Motorcycle Shock Absorber. Wang Junfu and Qiu Ling developed it.
The patent application number is CN202511659000 20251113. The patent publication number is CN121467405 (A). International Patent C..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Jiangsu Sunco Boiler Co Ltd has sought patent for Rapid Preheating Equipment and Method for Boiler Pipeline Before Welding. This invention was developed by Liu Zhenyu, He Jun and Xiao Chao.
The patent application number is CN20251209332 20251229. The patent publication number is CN121463278 (A). Internation..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Chengdu Alang Tech Co Ltd has applied Chinese patent for Steel Pipe Transportation Method and Steel Pipe Transportation Turnover Device. Peng Zhixiang, Li Cong, Yuan Caixia and Xiong Yi developed it.
The patent application number is CN20251256685 20251231. The patent publication number is CN121469692 (A). I..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Zibo Aierma Fire Equipment Co Ltd patent application for Production and Processing Equipment of Galvanized Pipe for Fire-fighting Spraying. Fu Junyao, Liu Wenqiang and Fu Chuangang developed the invention.
The patent application number is CN2025117753..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Jiangsu Jinguang Motor Tech Co Ltd has applied Chinese patent for Integrated High-trafficability Rear Suspension Bent Pipe Beam Assembly. Pan Jiawei, Nie Xinyuan, Gao Chuanlong and Zhu Rui developed it.
The patent application number is CN202511932086 20251219. The patent publication number is CN121469225 (A..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Hebei Yongsheng Petrochemical Machinery Mfg Co Ltd has filed a patent application for Flange for Submarine Pipeline. This invention was developed by Zhou Qinglong.
The patent application number is CN202511646634 20251111. The patent publication number is CN121472700 (A). International Patent Classification ..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Reliance Worldwide has submitted a patent application for Pipe Connector. This invention was developed by Ansell Glenn.
The patent application number is CN20248046031 20240710. The patent publication number is CN121464290 (A). International Patent Classification codes are F16L37/091 and F16L37/092. Cooperat..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- State Intellectual Property Office of China has released Norditube Tech AB patent application for Temperature-resistant Structure Sheath for Coating Pipeline. This invention was developed by Pirot Fabrice, Goossens Lucien, Meinerzhagen Loic and Bocher Gregory.
The patent application number is CN20248044497 ..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Raumedic AG has submitted a patent application for Method and Device for Connecting Two Pipe Segments and Pipe Assembly Connected Using the Method. This invention was developed by Prescher Jorg.
The patent application number is CN20248043364 20240612. The patent publication number is CN121464028 (A). Intern..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jiangsu Kedi Scient Research Instrument Co Ltd has filed a patent application for Novel Continuous Device for Physical and Chemical High-temperature and High-pressure Pipeline Synthesis Reaction. This invention was developed by Huang Zhangbiao.
The patent application number is CN202511916923 20251218. The p..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Sumitomo Heavy Industries has submitted a patent application for Forming Device, Forming System and Metal Pipe. This invention was developed by Nogiwa Kimihiro and Fukuda Masanori.
The patent application number is CN20248044356 20240607. The patent publication number is CN121464006 (A). International Patent C..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Xiamen Zhuoli Petrochemical Equipment Co Ltd has submitted a patent application for Composite Hose as Well as Preparation Method and Application Thereof. This invention was developed by Chen Mo, Tang An, Wu Yongqi, Ye Hanqiang, Ye Jinse, Lan Zhangyue, Song Enyi and Gao Min.
The patent application number is ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Chongqing Youfeite Tech Co Ltd has sought patent for Process for Preparing Thermal Insulation Pipe with Multiple Flaking. This invention was developed by Wang Qing.
The patent application number is CN202511661143 20251113. The patent publication number is CN121469029 (A). International Patent Classification..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Hunan City Plastic Tech Co Ltd has submitted a patent application for Glass Fiber Reinforced Plastic Cable Protection Pipe Production Device. This invention was developed by Tang Jianlin, Zhou Xiaobo, Huang Yafei and Xiong Sulin.
The patent application number is CN20261031534 20260112. The patent publicatio..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has released Sdic Ceramic Based Composite Materials Res Institute Xian Co Ltd and Xi An Golden Mountain Ceram Composites Co Ltd patent application for In-situ Heating and Curing Method and Device for Ceramic Matrix Composite Pipe Fitting. This invention was developed..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Yada Pipeline Sys Co Ltd has submitted a patent application for Anti-fouling Cleaning Device and Method for Interior of High-vacuum Heat-insulation Double-wall Pipe. Lu Ningbo, Zhao Junwei, Wu Yanqun and Xu Yaowei developed the invention.
The patent application number is CN202311161608 20230911. The patent ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Deqing Ruisheng Metal Products Co Ltd has submitted a patent application for Steel Pipe Inner Hole Grinding Device and Grinding Method. This invention was developed by Chen Xingyou.
The patent application number is CN202511864913 20251211. The patent publication number is CN121468316 (A). International Pate..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Shanghai Zhengxing Tech Co Ltd has sought patent for Fire-fighting Pipe Connecting Position Inner Wall Grinding Equipment. This invention was developed by Liu Cheng.
The patent application number is CN202511987775 20251226. The patent publication number is CN121468315 (A). International Patent Classificatio..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Jiangsu Fasite Electric Tech Co Ltd patent application for Processing Equipment for Low-temperature-impact-resistant Metal Cable Protection Pipe. Zhu Lun, Zhang Yu and Liu Rongrong developed the invention.
The patent application number is CN2025119426..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jian Songxuan has submitted a patent application for Roller Device Facilitating Movement of Fire Hose.
The patent application number is CN202511602225 20251104. The patent publication number is CN121466550 (A). International Patent Classification codes are A62C33/00, A62C33/04 and A62C33/06. Cooperative Pa..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Henan Beifang Longyuan Electric Power Dev Co Ltd has submitted a patent application for Air Lock Air Curtain for Closing Smoke and Fire in Pipeline. Zhang Zhao developed the invention.
The patent application number is CN202511961221 20251224. The patent publication number is CN121466534 (A). International P..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has published Changzhou Vocational Institute of Engineering and Huixiang Intelligent Tech Shanghai Co Ltd patent application for Automatic Cover Opening and Closing Device for EP Pipe. The invention was developed by Shang Guiqin, Liu Jiapeng and Liu Jiaxin.
The pa..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Offshore Oil Eng Qingdao Co patent application for Auxiliary Device for Lifting Pump Protection Pipe. Deng Xiangwen, Yu Yuejin, Zhu Chunlin, Chang Xiaolong, Yang Hemin, Deng Xiangwu, Zhang Chongchong, Deng Wenhui, Qin Xueqiang, Sheng Dahui and Wang Pengr..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Henan Xinhuang Hydropower Eng Co Ltd and Zhengzhou University patent application for Ultra-large-diameter Water Conveying Pipeline Mounting System and Method for Soft Foundation. Hu Shaowei, Hu Yuquan, Zhao Yahong and Zhang Haifeng developed the inventio..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Chen Chengtong has submitted a patent application for Boosting Type Water Hose Collecting and Arranging Device. This invention was developed by Chen Chengtong.
The patent application number is CN202511900308 20251216. The patent publication number is CN121470245 (A). International Patent Classification code..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Tianjin Junxing Pipe Group Co Ltd patent application for Laser Transmission Welding Method for Welding Plastic Pipes and Pipe Fittings. Xia Peicong, Xia Chengwen, Han Liang, Xia Yan, Kong Woo Jin, Zhao Manchao, Zhang Man, Wang Miao and Yang Zhenxing deve..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Wenzhou United Ai Automation Tech Co Ltd has submitted a patent application for Full-automatic Fluorine Lining Equipment for Valve Elbow Fluorine Pipe. This invention was developed by Zhang Hesheng, Wang Zexiong, Xu Shihao and Tang Wenrong.
The patent application number is CN20261009108 20260106. The patent..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Xiangshan Best Machinery Mfg Co Ltd has submitted a patent application for Plastic Pipe Shaping Machine Head Structure. Luo Weilin, Chen Yonggen and Huang Youmin developed the invention.
The patent application number is CN20261018020 20260108. The patent publication number is CN121468934 (A). International ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jiangsu Xinhuifeng Plastic Co Ltd has sought patent for Pe Pipe Extrusion Molding Device and Processing Method. This invention was developed by Xu Hongjun.
The patent application number is CN202511871700 20251212. The patent publication number is CN121468912 (A). International Patent Classification codes ar..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Shizuishan Plastic Factory has submitted a patent application for Large-size PE Pipe Extrusion Production Device and Cooling Method. This invention was developed by Liu Songtao, Zhang Tong, Zhou Zhanrong, Liu Jun, Wang Huili, Qi Peijie and Jing Jihong.
The patent application number is CN202511829101 2025120..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has published Guizhou Zhicheng New Material Tech Co Ltd patent application for Preparation Method of Plastic Pipe for Underground Communication Pipeline. The invention was developed by Wen Caixue, He Zhengkai, Chen An, Shang Jiaoping, Yang Jiayou and Yang Zhaoqin.
..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Hunan Shengtong Xinmao Environmental Tech Co Ltd has applied Chinese patent for Composite Pipe Machining and Recycling Device. Wang Jun, Yang Wei, Ye Yan, Li Long and Zheng Junjun developed it.
The patent application number is CN202511960446 20251224. The patent publication number is CN121468714 (A). Intern..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Xiangshan Best Machinery Mfg Co Ltd has filed a patent application for Fixed-length Cutting Device for Plastic Corrugated Pipe. This invention was developed by Luo Weilin, Chen Yonggen and Huang Youmin.
The patent application number is CN20261018426 20260108. The patent publication number is CN121468709 (A)..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Wuxi Zhouxiang Laser Machinery Co Ltd has applied Chinese patent for Pipe Cutting Equipment and Control Method Thereof. Xu Dan and Xu Chunping developed it.
The patent application number is CN202511977327 20251225. The patent publication number is CN121467962 (A). International Patent Classification codes a..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Tianjin Jgh Stainless Steel Commercial Eng Co Ltd has filed a patent application for Water Curtain Cooling Stainless Steel Pipe Intelligent Laser Welding Device and Method. This invention was developed by Lyu Yangyi, Tao Sha, Han Dajiang, Xiong Yuping and Gao Yahui.
The patent application number is CN202511..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Dezhou Xinlian Fitness Equipment Co Ltd has filed a patent application for Laser Welding Device for Pipes for Sports Equipment. This invention was developed by Xin Zhen.
The patent application number is CN202511613167 20251106. The patent publication number is CN121467912 (A). International Patent Classific..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jiangsu Youfa Steel Pipe Co Ltd has submitted a patent application for Dynamic Heat Input Adjustment and Deformation Compensation System for High-frequency Welded Pipe. This invention was developed by Gao Liangliang, Wang Jianlong, Cao Haiming and Liu Sheng.
The patent application number is CN20261013018 20..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Lianyungang Deyao Machinery Tech Co Ltd has sought patent for Plasma Welding Machine for Steel Pipe Cutting. This invention was developed by Sun Hualiang, Chen Chen, Sun Huayi and Li Houbiao.
The patent application number is CN202511635088 20251110. The patent publication number is CN121467876 (A). Internat..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has released Shanghai No. 1 Machine Tool Works Co Ltd patent application for Welding Method for Guide Pipe and U-shaped Clamping Block. This invention was developed by Chen Baohong, Shao Shanjia, Shi Yu, Xuan Yang, Yang Mingli, Yue Xuelai, Chen Rugui, Lian Changwen, ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has published Chengdu Runbo Tech Co Ltd patent application for Assembly Welding System and Method for Large-diameter Super-long Aluminum Alloy Tunnel Pipe. The invention was developed by Kang Quan, Zhou Mingjun, Zhang Jianguo, Tao Xun, Jiao Jingjun, Jiang Maochun, Zh..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has released Tianjin Youfa Pipeline Technology and Tianjin Youfa Steel Pipe Group Co Ltd patent application for Wire Feeding Device for Welding Spiral Steel Pipe. This invention was developed by Jiang Jisheng, Han Zhilong, He Guangyu, Gao Zhiling, Li Binggang, Li Xin..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jianhu Dali Hydraulic Machinery Co Ltd has submitted a patent application for Hydraulic Pipe Joint Inner Diameter Machining Equipment. This invention was developed by Gao Jun, Gao Dengshan, Zeng Chao and Shang Guohui.
The patent application number is CN202511846265 20251209. The patent publication number is..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Xuzhou Jinda Hardware Tools Mfg Co Ltd has sought patent for Automatic Cutting Device for Blanking of Frame Pipes of Fitness Equipment. This invention was developed by Wang Hanjun, Peng Xiuping and Zhang Xuelian.
The patent application number is CN202511654312 20251112. The patent publication number is CN12..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jiangsu Yinuo Electric Power Equipment Co Ltd has submitted a patent application for Cutting Device for Metal Cable Pipeline Production. This invention was developed by Lee In-young.
The patent application number is CN202511712658 20251120. The patent publication number is CN121467790 (A). International Pat..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jiangsu Ouruike Intelligent Equipment Co Ltd has applied Chinese patent for Feeding Device of Full-automatic Pipe Cutting Machine. Su Yongsheng developed it.
The patent application number is CN202511652748 20251112. The patent publication number is CN121467788 (A). International Patent Classification codes ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Zhuhai Dingsheng Adhesive Plastic Environmental Protection Tech Co Ltd has filed a patent application for Tailing Size Positioning Cutting Machine of Full-automatic Pipe Cutting Machine. This invention was developed by Zhang Sucheng.
The patent application number is CN202311128946 20230904. The patent publi..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Liaoning Huaxing Thermoelectric Group Co Ltd has sought patent for Movable Pipeline Punching Equipment. This invention was developed by Dai Liang, Yuan Hailong and Chen Guo.
The patent application number is CN20261012960 20260107. The patent publication number is CN121467767 (A). International Patent Classi..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Changchun Changguang Yige Precision Tech Co Ltd has filed a patent application for Aluminum Alloy Precision Casting Device for Pre-buried Stainless Steel Pipe. This invention was developed by Sun Shoufu, Yan Xisheng and Chi Xiaomei.
The patent application number is CN20261023823 20260109. The patent publica..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Zhejiang Xiongdi Pipe Fittings Co Ltd has sought patent for Perforating Device for Pipeline Flange Machining. This invention was developed by Zhang Xiong, Wang Suqin and Zhang Zhaorui.
The patent application number is CN202511895063 20251216. The patent publication number is CN121468275 (A). International P..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Foshan Lyushuiqingyuan Pipe Industry Tech Co Ltd patent application for Connecting Mechanism and Steel Pipe Machining Device. Xia Huamin developed the invention.
The patent application number is CN202511656949 20251113. The patent publication number i..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Guizhou Hangrui Aviation Prec Parts Manufacturing Co Ltd has submitted a patent application for Fixture for Drilling Hexagonal Pipe Joint. This invention was developed by Wang Daoyi, Zeng Xianjun and Yu Lu.
The patent application number is CN202511909785 20251217. The patent publication number is CN12146824..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Zhejiang Ailuwei Fluid Tech Co Ltd has submitted a patent application for Positioning and Manufacturing Tool for Corrugated Pipe Stop Valve. Feng Fenglei, Lin Fengfan, Li Chongming and Lu Chunfei developed the invention.
The patent application number is CN202511874685 20251212. The patent publication number..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has released Chongqing Anjinhui Auto Parts Co Ltd patent application for Integrated Equipment for Air Pipe Cutting, Glue Winding and Marking. This invention was developed by Chen Jun, Zhang Ke, Chen Mengjun and Luo Guangyu.
The patent application number is CN20251..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Hebei Xinuo Pipe Industry Tech Co Ltd has applied Chinese patent for Corrosion-resistant Pipeline Bevel Cutting and Beveling All-in-one Machine. Xu Litao, Wang Xiaoyang and Deng Dianguang developed it.
The patent application number is CN202511760804 20251127. The patent publication number is CN121468191 (A)..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has published Weichai Power and Boduan Weifang Power Co Ltd patent application for Automatic Press-fitting Device and Method for Guide Pipe of Engine Cylinder Cover. The invention was developed by Geng Guofang, Wang Xingang, Zhao Qingling, Liu Meihan, Zhang Zhenyu, L..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Qingdao Shangyu Environment Tech Co Ltd has applied Chinese patent for Large-diameter Steel Pipe Port Butt Welding Integrated Device. Wang Wei, Wang Leibin, Sui Jing and Xu Zhaowei developed it.
The patent application number is CN20251227875 20251230. The patent publication number is CN121468098 (A). Intern..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jiangsu Runyang Shipping Co Ltd has applied Chinese patent for Ship Pipe Fitting Assembling and Welding Tool. Huang Rongrong and Ge Chunquan developed it.
The patent application number is CN20251211922 20251229. The patent publication number is CN121468092 (A). International Patent Classification codes are ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Foshan Huanzda Tech Co Ltd has applied Chinese patent for Automatic Coil Pipe Packaging Method. Qing Shangjun developed it.
The patent application number is CN202511997903 20251228. The patent publication number is CN121469970 (A). International Patent Classification codes are B65B11/04, B65B35/58, B65B41/1..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Hebei Siketai Pipe Ind Co Ltd patent application for Cage Type Sliding Body Shaping Thin-wall Spiral Welded Pipe Machining Equipment. He Binglian, He Taiyu and Jiao Jinpu developed the invention.
The patent application number is CN20251253347 20251231..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Dezhou Shifoundation Eng Co Ltd has submitted a patent application for Welding Mechanism for Foundation Pit Pipe Pile Splicing Construction. This invention was developed by Xu Tao, Li Na and Lee Jiyoung.
The patent application number is CN20261014012 20260107. The patent publication number is CN121468031 (A..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Kunshan Limahe Automation Science & Tech Co Ltd has submitted a patent application for Welding Device for Intersecting Line of Pipe Fitting and Welding Method of Welding Device. This invention was developed by Li Jian'an.
The patent application number is CN202511989501 20251226. The patent publication numbe..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received The Second Branch Of Tianjin Youfa Steel Pipe Group Co Ltd and Tianjin Youfa Steel Pipe Group Co Ltd patent application for Guide Conveying Device for Steel Pipe Welding Machining. Guo Weichen, Ye Jianwu, Zhang Wenshuai, Liu Xiaosheng, Guo Libo and Zhou ..
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