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Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Hebei Xinuo Pipe Industry Tech Co Ltd has submitted a patent application for Inner Supporting Type Root Welding Device for Circular Seam Welding of Anti-corrosion Pipeline. This invention was developed by Xu Litao, Wang Xiaoyang and Deng Dianguang.
The patent application number is CN202511380115 20250925...
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has published Nantong Ganghua Boiler Co Ltd patent application for Anti-deformation Coal Economizer Coiled Pipe Welding Supporting Tool. The invention was developed by Gu Benyong, Gu Peng and Xu Xuehua.
The patent application number is CN202510859331 20250625. T..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Offshore Oil Eng Qingdao Co has filed a patent application for Submerged-arc Welding Flux Backing Forming Process for Jacket Pipe Manufacturing and Using Method of Submerged-arc Welding Flux Backing Forming Process. This invention was developed by Wang Yuchun, Chen Zhe, Zhu Daxi, Yang Jian, Wen Zhigang, Li G..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has received Jiangyin Dnt Heavy Industry Science & Tech Co Ltd patent application for Auxiliary Header Pipeline Welding Equipment and Welding Method Thereof. Huang Yuejun, Zhao Wentao, Sun Jia, Jiang Zhiyi and Wu Yanhong developed the invention.
The patent appli..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Shanxi Shuishan Construction Eng Co Ltd has submitted a patent application for Scaffold Steel Pipe Cutting Device. This invention was developed by Gao Songtao and Yang Jie.
The patent application number is CN202510956889 20250711. The patent publication number is CN120861922 (A). International Patent Clas..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has received Nantong Yanjiang Pipe Co Ltd patent application for Cutting-off Device for Preventing Deformation of End Part of Pipeline and Cutting-off Method of Cutting-off Device. Kang Wei and Jin Xin developed the invention.
The patent application number is CN..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Deqing County Jinbai Fan Co Ltd has sought patent for Safe Cutting Device for Pipe Fittings. This invention was developed by Bao Hongnyu.
The patent application number is CN202511144871 20250815. The patent publication number is CN120861917 (A). International Patent Classification codes are B23D21/00, B23..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Baoji Chengzhuxiang Titanium Ind Co Ltd has sought patent for Deep Hole Drilling Device for Titanium Alloy Long Pipe Body and Operation Method. This invention was developed by Ma Qiang and Zuo Sanbao.
The patent application number is CN20251187307 20250805. The patent publication number is CN120861882 (A)..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Western Xinxing Rare And Precious Metals Co Ltd has submitted a patent application for Mold for Preparing Molybdenum-rhenium Alloy Pipe. This invention was developed by Jin Bo, Wang Qiang, Qiao Lin, Zhang Litong and Sun Bo.
The patent application number is CN202511264107 20250905. The patent publication n..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Guizhou Construction Projects Of Water Affairs Co Ltd has applied Chinese patent for Horizontal Pipe Structure for Water Treatment. Tu Zuhong, Cao Qianpin, Chen Kui, Zhang Dachun and Zou Zhirui developed it.
The patent application number is CN202511333626 20250918. The patent publication number is CN12086..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Anhui Xin Platinum Aluminum Id Co Ltd has filed a patent application for Aluminum Alloy Wind Power Generation Olive Pipe Welding Device and Method. This invention was developed by Tang Kaijian, Li Feiqing, Wang Chao and Chen Weirong.
The patent application number is CN202510889557 20250630. The patent pub..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has released Hebei Beifang Yizao Pipeline Co Ltd patent application for Lining Composite Steel Pipe End Groove Surfacing Device. This invention was developed by Zhang Qiang.
The patent application number is CN202511119647 20250811. The patent publication number ..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Yizheng Hengsheng Machinery Co Ltd has sought patent for Metal Pipe Fitting Welding Device. This invention was developed by Zhou Wensheng, Wang Haijun, Zhu Zhaopeng and Ding Yunlan.
The patent application number is CN202510699218 20250528. The patent publication number is CN120862159 (A). International Pa..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Anhui Xin Platinum Aluminum Id Co Ltd has applied Chinese patent for Clamp for Welding Aluminum Alloy Wind Power Generation Olive Pipe. Li Feiqing, Tang Kaijian, Wang Chao and Chen Weirong developed it.
The patent application number is CN202510594682 20250509. The patent publication number is CN120862158 ..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has received Xinxiang Ruili New Mat Co Ltd patent application for Welding Device for Air Conditioner Copper Pipe. Sun Junling, Zhang Yong, Yue Xueliang, Liu Tingjuan and Guan Jianchao developed the invention.
The patent application number is CN20251141452 202507..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Nantong Huixin New Material Tech Co Ltd has applied Chinese patent for Intelligent Cutting Device for Rail Transit Metal Pipe Handrail Machining. Qian Feng, Chen Yaxi and Xue Zhengzhong developed it.
The patent application number is CN202511397094 20250928. The patent publication number is CN120862125 (A)..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Zhejiang Aosheng Intelligent Tech Co Ltd has filed a patent application for Heavy Laser Pipe Cutting Machine. This invention was developed by Zhou Yunxiang.
The patent application number is CN202511175807 20250820. The patent publication number is CN120862111 (A). International Patent Classification codes..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has released Shanxi Institute Of Mech & Electrical Eng, Xi'an Aerospace Engine Co, Shanxi Taizhong Eng Crane Co Ltd and Shanxi Aerospace Qinghua Equip Co Ltd patent application for Welding Equipment and Welding Method for Special-shaped Pipe Fittings. This inventio..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Jiangsu Bainian Yongyi New Material Tech Co Ltd has submitted a patent application for Pipe Laser Welding Device for Building Construction. Wang Gang developed the invention.
The patent application number is CN202511296719 20250911. The patent publication number is CN120862068 (A). International Patent Cl..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Jiangxi Xiangheng Prec Machinery Co Ltd has filed a patent application for Pipe Fitting Laser Welding Machine and Using Method Thereof. This invention was developed by Zhang Tao, Yang Xianliang and Zhu Zhongbing.
The patent application number is CN20251168607 20250731. The patent publication number is CN1..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Yibo Comm Equip Group Co Ltd has filed a patent application for Plastic Composite Pipe Machining Device. This invention was developed by Shao Mingming, Shao Jibao and Feng Qingkai.
The patent application number is CN202511220155 20250829. The patent publication number is CN120861700 (A). International Pat..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Hebei Longjin Pipeline Equipment Co Ltd has filed a patent application for Forming Equipment for Producing and Processing Clamping and Pressing Pipe. This invention was developed by Wang Yuepeng.
The patent application number is CN202511215588 20250828. The patent publication number is CN120861659 (A). In..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Dongyang Wote Plastic Co Ltd has submitted a patent application for Wire Self-adjusting Conveying Alarm System for Corrugated Pipe Forming. Hu Yijiang developed the invention.
The patent application number is CN20251111750 20250722. The patent publication number is CN120861650 (A). International Patent Cl..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has released Hebei Bingchen Engineering Mat Co Ltd patent application for Punch Forming Device for Steel Belt of Spiral Steel Corrugated Pipe. This invention was developed by Han Jie.
The patent application number is CN202511234009 20250901. The patent publicati..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Baoji Top Titanium Ind Co Ltd has submitted a patent application for Preparation Method of Short-process Titanium Alloy Seamless Pipe for Ships and Warships. This invention was developed by Li Baoxia, Wang Yonggen, Mi Gang, Yu Jie, Jia Chunmiao, Liu Xuhui and Wang Hongli.
The patent application number is ..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Jiangsu Youfa Steel Pipe Co Ltd has submitted a patent application for D-shaped Steel Pipe Rolling Device. Wang Jianlong, Duan Zhichao, Gao Feng, Liang Yanlei, Zou Rongjing and Guo Bin developed the invention.
The patent application number is CN202511404337 20250929. The patent publication number is CN120..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Maanshan Ma Steel Huayang Equipment Diagnostics Eng Co Ltd has sought patent for Pipe Cleaning Device for Magnetic Powder Inspection Detection. This invention was developed by Liu Shengjie, Qin Yuwen and Qiu Peng.
The patent application number is CN202511113269 20250811. The patent publication number is C..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Shandong Zhongwo Eng Service Co Ltd has filed a patent application for Circulating Water-saving Pipeline Installation Cleaning Machine. This invention was developed by Zhao Qiran and Dong Enqiang.
The patent application number is CN202511397313 20250928. The patent publication number is CN120861522 (A). I..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has released Yantai Huagang Energy Tech Co Ltd patent application for Gas Pipeline Purging Device. This invention was developed by Shang Dan.
The patent application number is CN202511374034 20250925. The patent publication number is CN120861521 (A). Internationa..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Zhixin Tianjin Robot Tech Co Ltd has submitted a patent application for High-strength Protection Structure of Pipeline Robot Control Unit. Sun Yibing, Cao Jianran, Yu Guocun, Yu Liujie, Yu Liuwang and Deng Guorui developed the invention.
The patent application number is CN202510884420 20250630. The patent..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has released Jilin University Of Chemical Technology patent application for Dustproof Pipe for Rapid Steaming Instrument. This invention was developed by Si Zhenjun, Chen Zhe and Zhao Shuyuan.
The patent application number is CN202511327648 20250917. The patent ..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Guohong Shenzhen Optoelectronics Tech Co Ltd has sought patent for Novel Near-infrared Optical Device of Butt Joint Pipe. This invention was developed by Mai Jieping, He Yinjie and Liu Qingbin.
The patent application number is CN202511124917 20250812. The patent publication number is CN120869343 (A). Inte..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Datang Binzhou Power Generation Co Ltd has filed a patent application for Ash Deposition Detection Device for Ash Conveying Pipeline of Economizer. This invention was developed by Qu Jingfeng, Xu Jin and Guo Lingyun.
The patent application number is CN20251170015 20250731. The patent publication number is..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Shanghai Jiao Tong University Underwater Engineering Institute Co Ltd has filed a patent application for Large Reinforced Concrete Pipe Joint Floating State Pouring Posture Monitoring Device. This invention was developed by Shen Yongfang and Wang Zhaowei.
The patent application number is CN20251194289 202..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has released Hongze Yiyang Steel Pipe Co Ltd patent application for Passivation Equipment Capable of Uniformly Coating for Steel Pipe Production. This invention was developed by Wang Guobao, Qian Zhenghong and Shen Lingling.
The patent application number is CN20..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- Jiangsu Youfa Steel Pipe Co Ltd has applied Chinese patent for Clamping and Conveying Device for Square and Rectangular Pipe Hot Galvanizing. Gu Zhishuang, Li Bingshang, Ding Xiuxiang, Wang Zengqiang, Hu Sen and Qian Zhen developed it.
The patent application number is CN202511408293 20250929. The patent p..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has published Guangdong Lanjing Electromechanical Tech Co Ltd patent application for Pipe Holding Sealing Tool and Forming Method. The invention was developed by Wu Wenxiu, Li Dongquan, Zhao Min, He Yan and Yang Xin.
The patent application number is CN2025108312..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has published Wuhu Jinmao Liquid Sci & Tech patent application for Outer Wall Dynamic Supporting Structure for Pressure Bearing Test of Pipe Fitting. The invention was developed by Sun Xiong, Yang Lin, Sun Jie and Xu Hui.
The patent application number is CN20251..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Qidong Xinwei Zhizao Tech Co Ltd has submitted a patent application for Torque Monitoring Method and System for Pipe Bending Machine Machining. This invention was developed by Bao Bo, Lyu Shuqin and Ren Lijun.
The patent application number is CN202511403740 20250929. The patent publication number is CN120..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Marco Automatic Control Equipment Shanghai Co Ltd has sought patent for Passive Pipeline Type Gas Collection Box. This invention was developed by Cui Xinguang and Xia Bofeng.
The patent application number is CN202511130278 20250813. The patent publication number is CN120869714 (A). International Patent Cl..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has published Nantong University and Haian Nantong University High End Textile Research Institute patent application for Process and Device for Manufacturing Integrally-formed Woven Three-way Pipe. The invention was developed by Wang Hailou, Shi Donghui, Zhang Wei ..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has received Zhejiang Tonking Tech Co Ltd patent application for Coil Pipe Cooling Immersed Type Box Body Coupled with Co2 Energy Storage System. Wu Jiannong, Liu Yiqiang, Zhu Yangyang, Wu Panhui, Mao Haiying and Yan Zhiwei developed the invention.
The patent ap..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has published Wuhu Sanjiang High Frequency Welded Pipe Co Ltd patent application for High-frequency Welded Pipe Drying Device. The invention was developed by Zhang Bo and Li Jiang.
The patent application number is CN202511248800 20250903. The patent publication ..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Kemeng Energy Yangzhou Co Ltd has submitted a patent application for Skid-mounted Pipeline Heating Furnace for Crude Oil Transportation. Zhou Kuixiu, Wang Deyun, Ma Zhiyan, Yan Jin, Jiang Weiwei, Gu Yanan, Zhang Cong and Chen Mingfei developed the invention.
The patent application number is CN202511224374..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has published Haitong Construction Group Co Ltd patent application for Hospital Air Pipe Installation Construction Method. The invention was developed by Liu Meng, Liu Hongwei, Zhang Zhongming, Huang Bin and Shu Xinhai.
The patent application number is CN2025109..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- Shijiazhuang Municipal Eng Co Ltd has submitted a patent application for Cutting Device and Method for Fireproof Plate for Fireproof Plugging of Pipeline. This invention was developed by Zhang Hongqiang, Li Jian, Zhang Lei, Yang Guoqiao, Hou Baojun, Yang Guang, Fu Jianbing, Li Zefei, Gao Shuai and Liu Binhua..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has released Lianyungang Dingxin Power Equipment Co Ltd patent application for Internal and External Clamping Device for Cutting PVC (polyvinyl Chloride) Cable Protection Pipe. This invention was developed by Xu Lining, Li Guang, Zhang Yuan, Wei Zhongming, Tang Rui..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has received Huida Suzhou Pipe Tech Co Ltd patent application for Device and Method for Detecting Inner Diameter of Cable Protection Pipe. Pan Yongjian, Dong Pingping and Xu Farong developed the invention.
The patent application number is CN202510995116 20250718..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Shanghai Yingtai Plastic Ltd By Share Ltd has submitted a patent application for High-strength Lightweight Sound-insulation Flame-retardant Expanded Vermiculite Composite Plastic Material and Super Mute Pipe Thereof. Lin Minrui, Lin Shiping, Wang Zhihua and Wang Hua developed the invention.
The patent app..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Shenyang Zicheng Equipment Co Ltd has sought patent for Oil Dripping Prevention Mechanism of Indoor Smoke Exhaust Pipeline. This invention was developed by Jiang Yiming and Kang Sung-weon.
The patent application number is CN20251142386 20250728. The patent publication number is CN120868478 (A). Internatio..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- Wandefu Shanghai New Mat Co Ltd has applied Chinese patent for Anti-aging Packaging Control Pipeline and Preparation Method Thereof. Wang Peng, Fu Huaqing, Pan Xu, Lu Chenglei, Shen Xiaoqin, Wang Heng and Yu Jiawei developed it.
The patent application number is CN202511393970 20250926. The patent publicat..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- Taizhou City Changtong Pipe Ind Co Ltd has submitted a patent application for Polypropylene Modified Plastic Pipe and Preparation Method Thereof. This invention was developed by Zhou Kaiqi and Zhou Zhongzhen.
The patent application number is CN202511386100 20250926. The patent publication number is CN1208..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- Shanghai Tangsheng Environmental Protection Tech Co Ltd has sought patent for Winding and Curing Mold for Manufacturing Glass Reinforced Plastic Pipe Body. This invention was developed by Liang Banglong and Zhou Kai.
The patent application number is CN202511345001 20250919. The patent publication number i..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- Zhejiang Sanleng Plastic Co Ltd has submitted a patent application for Composite Pipe Production Equipment. This invention was developed by Wang Jingyang, Yan Zichao and Wang Jingbo.
The patent application number is CN202511271793 20250908. The patent publication number is CN120863092 (A). International P..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- Sichuan Lineng Combustion Gas Eng Design Co Ltd has filed a patent application for Method for Enabling Recycled Biogas to Enter Gas Pipe Network. This invention was developed by Shen Yong, Dai Zhixiang, Xiong Bo, Chen Mo, Wu Shenhuai, Li Li, Wang Li, He Wenyi and Cao Yong.
The patent application number is..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- Wenzhou Yongbo Fluid Equipment Co Ltd has submitted a patent application for Magnetic Deburring Machine for Polishing Pipe Fittings. Pan Xianke developed the invention.
The patent application number is CN202511193859 20250825. The patent publication number is CN120862540 (A). International Patent Classifi..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Zhang Bingyang has sought patent for Node-free Zipper Irrigation Water Hose and Use Method Thereof.
The patent application number is CN202510950739 20250710. The patent publication number is CN120858839 (A). International Patent Classification codes are A01G25/02, F16L11/00, F16L41/12 and F16L41/18.
A..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Dongguan Jingmei Wire Product Co Ltd has submitted a patent application for PVC Hose Wall Thickness Laser Measuring Device. This invention was developed by Zhao Tichang.
The patent application number is CN202511241181 20250902. The patent publication number is CN120868934 (A). International Patent Classif..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Beifang Zhongyi New Mat Tonglu Co Ltd has submitted a patent application for Preparation Method of Polypropylene Pipe with Lubricated Inner Wall. This invention was developed by Zhang Zhenhua, Gao Xiang, Qiu Yangyan, Tang Minghe and Zheng Daoyin.
The patent application number is CN202510640473 20250519. T..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Chaoyang Special Equipment Supervision And Inspection Institute has submitted a patent application for Pressure Pipeline Detection Device and System. Guo Jiaqi, Ni Tao, Li You, Bao Shengli, Du Peng, Chen Jianbing, Li Xue, Yan Chunqiang, Meng Qinghai, Wang Chi and Liu Hongjuan developed the invention.
The ..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- Quanstar Intelligent Control System Eng Shanghai Co Ltd has sought patent for Spray Head Suction Pipe Rotary Type Insertion Equipment and Spray Head Suction Pipe Insertion Method. This invention was developed by Liang Shichun and Gu Chunliang.
The patent application number is CN202511143866 20250815. The ..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has published Hebei Xi'an Yue Environmental Prot Equipment Co patent application for Manufacturing Process and Device for Lined Winding Pipe. The invention was developed by Feng Shuanliang, Lyu Jianxing, Lyu Zexian and Tian Yushuo.
The patent application number ..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- Jiangxi University Of Water Resources And Electric Power has submitted a patent application for Multi-cavity Pipe Double-layer Gas-assisted Extrusion Device and Method for Controlling Damping Device. This invention was developed by Jiang Shiyu, Rong Hao, Liu Hesheng, Yu Zhong, Huang Yibin and Wang Songtao.
..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has published Jiangsu Xinhuifeng Plastic Co Ltd patent application for Manufacturing Equipment and Method of Large-diameter HDPE (high-density Polyethylene) Pipe. The invention was developed by Xu Hongjun.
The patent application number is CN202511391552 20250926..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has published Jiangsu Hongfa Eng Nylon Co patent application for Steel Skeleton Reinforced Nylon Pipe Production Equipment. The invention was developed by Li Jinbiao.
The patent application number is CN202511307107 20250913. The patent publication number is CN12..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- Shanghai Jinhu Extrusion Equip has submitted a patent application for Pipe Vacuum Closed-loop Frequency Conversion Control System. This invention was developed by Xie Xiaobing and He Tao.
The patent application number is CN202410537563 20240430. The patent publication number is CN120862933 (A). Internatio..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has received Anhui Jialiqi Advanced Composite Material Tech Co Ltd patent application for Pipe Composite Material Demolding Device. Cai Tianqi, Gao Changjiang, Zhang Xiang, Liu Zhongxiang, Lu Guojun and Guo Jiahui developed the invention.
The patent application ..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- Anhui Xiutong Building Material Tech Co Ltd has submitted a patent application for Combined Die for Forming Concrete Socket Pipe. Fang Shuliang, Ding Jiaqing and Jin Xiaopan developed the invention.
The patent application number is CN202511274635 20250908. The patent publication number is CN120862855 (A)...
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Sichuan Star Tech Co Ltd has applied Chinese patent for Intelligent Comprehensive Management Method and System for Natural Gas Pipeline Protection. Pan Yong, He Fang, Pan Jian and Long Xiaoxue developed it.
The patent application number is CN202511395417 20250928. The patent publication number is CN120868..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Langfang Huayu Tianchuang Energy Equipment Co Ltd has submitted a patent application for Intelligent Pipeline Leakage Monitoring System and Method Based on Audio Frequency. Chen Qichao, Sun Jianguo, Shi Chaoxu and Tian Rui developed the invention.
The patent application number is CN202511394561 20250928. ..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Guo Yiwen has applied Chinese patent for Optical Fiber Sensing Natural Gas Pipeline Leakage Event Identification Device. Guo Yiwen, Wang Dong, Kong Xiangyu, Wang Kuijun, Liu Yangyang, Li Lingduo, Zhang Lei, Xu You and Zhang Yu developed it.
The patent application number is CN202510985342 20250717. The pat..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has received Zhangjiagang Huafu Ind Co Ltd patent application for Interchanging Device and Method for Pipe Orifice Ball Valves of Heat Insulating Layer of Liquefied Natural Gas Storage Tank. Wu Ren and Cui Chao developed the invention.
The patent application num..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has received Jinmaoyuan Environmental Prot Group Huizhou Co Ltd and Huizhou Jinmaoyuan Environmental Tech Co Ltd patent application for Steam Pipeline Heat Preservation Mechanism for Electroplating Park and Preparation Method of Steam Pipeline Heat Preservation Mec..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Sichuan Zhongke High Tech Group Co Ltd has submitted a patent application for Urban Pipeline Non-excavation Repairing Crawling Device and Repairing Method. This invention was developed by Chen Jihong.
The patent application number is CN202511405599 20250929. The patent publication number is CN120868296 (A..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Tianjin No. 6 Municipal Highway Eng Co Ltd has submitted a patent application for Transillumination Positioning Device for Building Construction Metal Pipeline Welding Seam Detection. Du Jianfeng, Dong Jianmin, Wang Yufu, Zhao Jinquan, Liang Lei, Zhao Xin, Ni Hui, Geng Xulong, Huang Weiguang, Huo Shengwang, ..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Suzhou Sandian Digital Tech Co Ltd has submitted a patent application for Pipeline Crack Detection Robot with Pipe Surface Adaptability. Li Chuang, Li Xu, Wang Xiaofeng, Wei Zhong, Guo Jinlin, Yu Ziyang, Jiang Wei, Liu Jinxing and Zeng Feng developed the invention.
The patent application number is CN20251..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Zhejiang Guanmai Environmental Tech Co Ltd has filed a patent application for Hydraulic Pipe Expander Equipment Applied to Trenchless Repair of Flexible Pipeline. This invention was developed by Zhang Yudong, Feng Jiacong, Huang Yan, Shao Guangjian and Zhang Yiwen.
The patent application number is CN20251..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Shaanxi Zhongke Trenchless Tech Co Ltd has applied Chinese patent for Comprehensive Treatment Method for Updating and Repairing Urban Old Gas Pipeline. Wang Kang, Wei Pengtao, Chen Guanlei, Li Yali and Zhang Xiaoqing developed it.
The patent application number is CN202511298703 20250911. The patent public..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has released Huaneng Songyuan Thermal Power Co Ltd and Huaneng Jilin Power Generation Co Ltd patent application for Waste Heat Boiler Pipeline Sealing Structure. This invention was developed by Liu Junjie, Wang Shuming, Jiang Wei, Liu Yanshuang and Zhang Shixia.
..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Jiangxi Dehui New Pipeline Manufacturing has filed a patent application for Nano-antibacterial PE Water Supply Pipe and Processing Equipment. This invention was developed by Shen Ziqi and Kan Yingling.
The patent application number is CN202410538129 20240430. The patent publication number is CN120868282 (..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has published Wuhan Dingye Anhuan Tech Group Co Ltd patent application for Multi-layer High-temperature Wear-resistant Composite Pipe. The invention was developed by Luo Ke, Hu Fen, Liu Huijun and Huang Haoliang.
The patent application number is CN202511405468 2..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Zhejiang Landtec Mech Seals Co Ltd has submitted a patent application for Polytetrafluoroethylene Corrugated Pipe Sealing Assembly Integrated with Fep Protective Layer. This invention was developed by Tong Gongming, Jia Xiangji, Wang Dongsheng, Liu Chang, Guo Zhengyang and Zhang Qiuxiang.
The patent appli..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Zibo Guanquan Water Supply Equipment Co Ltd has sought patent for Self-suction Fire Pump Pipeline Connecting Structure. This invention was developed by Shen Hongkai.
The patent application number is CN202511247055 20250902. The patent publication number is CN120868276 (A). International Patent Classificat..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has received Zhongshan Qingyi Metal Products Entpr Co Ltd patent application for Damping Type Rotary Water Pipe Connector. Li Shulong, Liang Huanzhao, Wu Kunguang, Song Weiye, Huang Dongle and You Tangjie developed the invention.
The patent application number is..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Ningbo Gaohe Baichuang Intelligent Tech Co Ltd has submitted a patent application for Rotatable Water Pipe Connector and Assembling Method Thereof. This invention was developed by Pan Jingwen.
The patent application number is CN202410539593 20240430. The patent publication number is CN120868274 (A). Inter..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Berg Dongjin Pipe Line Equipment Jiangsu has filed a patent application for Pipeline Convenient to Move. This invention was developed by Xue Yan, Ding Peng, Huang Jian and Liu Buhong.
The patent application number is CN202511383633 20250926. The patent publication number is CN120868272 (A). International ..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Sichuan Ind Equipment Installation Group Co Ltd has filed a patent application for Auxiliary Device and Method for Connecting Super-large-diameter Pipeline with Branch Pipe. This invention was developed by Chen Chen, Chen Qiang, Zeng Jingwei, Du Chun, Zheng Yulong, Zhan Cheng, Hu Ancheng, Xian Ailing and Li ..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has received Yantai University and Yantai CIMC Raffles Offshore Co Ltd patent application for Rotating Disc Type Hose Ship Leaning Output System. Han Huawei, Fu Qiang, Sun Yuhai, Yan Fei, Xu Langjun, Li Dejiang and Wang Changhui developed the invention.
The pate..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has published Hohai University, Shaoyang University and Jiangxi University of Science and Technology patent application for Screen Pipe Sheet for Blow-filling Pea Gravels Behind Shield Tunneling Machine Wall. The invention was developed by Zheng Bin, Feng Tugen, Zh..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- Lu Cheng has sought patent for Polishing Mechanism for Inner Wall of Carbon Fiber Pipe.
The patent application number is CN202510959454 20250711. The patent publication number is CN120862477 (A). International Patent Classification codes are B24B27/00, B24B41/04, B24B47/04, B24B47/12, B24B5/40, B24B5/50 ..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- Baoji Hesheng Metal Co Ltd has submitted a patent application for Aluminum Alloy Pipe Cutting Equipment Convenient to Clamp. This invention was developed by Lin Xiaolong.
The patent application number is CN202511118653 20250811. The patent publication number is CN120862402 (A). International Patent Classi..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has received The First Company of China 8th Engineering Bureau patent application for Automatic Threading Production Line for Pipelines. Wang Keyang, Pan Qianglin, Sun Xiaoning, Cong Chao, Liu Yuzong, Zhu Mingwei, Wei Qiang and Cao Siyuan developed the invention.
..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has received Xinghua Xinrun Greenhouse Equipment Fittings Co Ltd patent application for Greenhouse Pipe Fitting Machining and Slitting Device. Zhao Min developed the invention.
The patent application number is CN202511409741 20250929. The patent publication numb..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- Nanjing Cuizhi Water Conservancy Tech Co Ltd has filed a patent application for Ball Valve Machining Device for Water Conservancy Pipeline. This invention was developed by Zhang Jie, Cao Shouxiang, Ma Jiqiang, Zhi Lipeng and Chen Feilong.
The patent application number is CN202511274242 20250908. The paten..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- Jiangsu Beining Machinery Co Ltd has filed a patent application for Steel Pipe Cutting and Punching Machine. This invention was developed by Huang Rong and Xu Pengcheng.
The patent application number is CN202511256635 20250904. The patent publication number is CN120862348 (A). International Patent Classif..
Pipe
| Thu 19 Mar 2026
Beijing, March 20 -- Guangdong Zhida Prec Tube Manufacture Co Ltd has applied Chinese patent for Continuous Forming Method for Special-shaped Pipe. Li Maoqing developed it.
The patent application number is CN20251153283 20250730. The patent publication number is CN120862266 (A). International Patent Classification code is B23..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has released Fei Yue Electricity Hot Co Ltd patent application for Single-head Heating Pipe Integrated Metal Pipe and Production Process Thereof. This invention was developed by Li Bingsen and Fan Lihua.
The patent application number is CN202511201424 20250826. ..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Yibin China Resources Gas Co Ltd has filed a patent application for Supporting and Fastening Device for Burying Gas Conveying Pipeline. This invention was developed by Zhang Yin and Ou Kankui.
The patent application number is CN202511176008 20250821. The patent publication number is CN120868257 (A). Inter..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- Shanghai Yiqing Environmental Protection Tech Co Ltd has submitted a patent application for Inlet Adjusting Pipe Structure and Cyclone Separator Comprising Same. Fang Huiwang, Kan Jiawei, Wu Liang, Wang Jiawei, Kang Xuanfeng and Shi Lei developed the invention.
The patent application number is CN202511105..
Pipe
| Fri 20 Mar 2026
Beijing, March 20 -- State Intellectual Property Office of China has received North China University of Water Resources & Electric Power patent application for UHPC (ultra High Performance Concrete) Water Drain Pipe Co-doped with Defoaming Agent and Preparation Method of UHPC Water Drain Pipe. Ma Juntao, Wang Tongning, Sun Yu, H..
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