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Pipe
| Sun 19 Apr 2026
Beijing, April 20 -- Yinan Guoxiang Building Mat Co Ltd has submitted a patent application for Prefabricated Steel Pipe Concrete Pile. Ren Tianen, Wang Shouhong, Du Jilong and Liu Jian developed the invention.
The patent application number is CN202511550831 20251028. The patent publication number is CN121066151 (A). Internati..
Pipe
| Sun 19 Apr 2026
Beijing, April 20 -- CCCC Chengdu Municipal Construction Co Ltd has sought patent for Sidewalk Permeable Pavement Structure Combined with Municipal Rainwater Pipe Network. This invention was developed by Lu Yuhe, Hu Nan, Wang Yu, Liang Feilong, Wang Bo, Dong Fulong, Yang Jili, Zheng Jun, Zhou Run, Shi Zhongrong, Zhou Jie, Shu Ru..
Pipe
| Sun 19 Apr 2026
Beijing, April 20 -- Anke Engineering Tech Research Institute Beijing Co Ltd has sought patent for Device and System for Monitoring Corrosion Prevention Effectiveness of Large-burial-depth Crossing Pipe Section. This invention was developed by Wu Guangchun, Zhang Mengmeng, Li Baokun and Wang Xiuyun.
The patent application num..
Pipe
| Sun 19 Apr 2026
Beijing, April 20 -- China Coal Changjiang Found Constrcution Corporation has submitted a patent application for Method for Analyzing Uplift Bearing Capacity of Phc Spiral Pipe Pile Based on Numerical Simulation. This invention was developed by Bao Chunsheng, Dai Jie, Yu Wenjie and Lian Zhaocheng.
The patent application numbe..
Pipe
| Sun 19 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has published Seres Auto Co Ltd patent application for Self-adaptive Pipeline Three-dimensional Modeling Method, Device, Equipment and Medium. The invention was developed by Cheng Guojun, Tu Hengqiang and Nie Yao.
The patent application number is CN202511228109 ..
Pipe
| Sun 19 Apr 2026
Beijing, April 20 -- Shanghai Tianmai Energy Tech Co Ltd has submitted a patent application for Pipe Network Division Method and System for Urban Infrastructure Simulation. Qian Chenglei, Huang Xinhui and Tang Junhao developed the invention.
The patent application number is CN202510977589 20250716. The patent publication numb..
Pipe
| Sun 19 Apr 2026
Beijing, April 20 -- Qinghai Xijingan New Material Tech Co Ltd has submitted a patent application for Special-shaped Prefabricated Pipe Gallery Component Forming Method Based on Bim Parameter Optimization. Ma Chunyan, Wang Huafeng and Wei Wenxue developed the invention.
The patent application number is CN202511193714 20250825..
Pipe
| Sun 19 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has published CCCC First Highway Engineering Group and CCCC First Highway Xiamen Engineering patent application for Self-expanding Pipe Shed Advance Support System for Weak Water-rich Surrounding Rock Tunnel. The invention was developed by Dong Baosheng, Huang Junx..
Pipe
| Sun 19 Apr 2026
Beijing, April 20 -- Guizhou Construction and Eng Group has sought patent for Precise Positioning Drilling Platform for Pipe Jacking Construction and Positioning Method. This invention was developed by Xia Jinbo, Zhou Shanghong, Yang Hui and Fan Qing.
The patent application number is CN202511306367 20250912. The patent public..
Pipe
| Sun 19 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has published National Petroleum Pipeline Network Group and State Petroleum Pipeline Network Group of Science and Technology Research Institute Branch patent application for Emergency Processing Method, Device and Equipment for Pipeline Leakage. The invention was d..
Pipe
| Sun 19 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has received Information Tech Branch Of Hangzhou Water Resources And Hydropower Survey And Design Institute Co Lt patent application for Middle-end Sewage Treatment Device for Sewage Pipe Network Inspection Well. Tang Yali, Wang Mingguang, Shen Jiumin, Zhang Ping, ..
Pipe
| Sun 19 Apr 2026
Beijing, April 20 -- Lianyungang Port Construction And Installation Eng Co Ltd has submitted a patent application for Fabricated Concrete Pipe Gallery Frame Steel Structure Construction Technology. This invention was developed by Qi Mingwei, Jiang Wei, Liu Haoran, Cheng Zhe, Liu Sixian, Gu Qianjin, Fu Lei, Qiao Yanping, Shen Shu..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Yongheng Holding Group Co Ltd has sought patent for Winding Structure Wall Reinforced Solid Wall Pipe, Machining Method and Machining Production Line of Winding Structure Wall Reinforced Solid Wall Pipe. This invention was developed by Yang Feifan, Yang Weiping and Chen Lin.
The patent application number ..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has published Great Wall Motor and Handan Iron & Steel Group patent application for Reducing Pipe Fitting and Preparation Method Thereof. The invention was developed by Ran Hao, Zhang Yuhao, Li He, Ji Chunhong, Xu Lipeng, Zhang Shuoyao, Zhao Weiqi, Meng Hui, Gao Pe..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has released Xuzhou Jingan Heavy Industry Machinery Mfg Co Ltd patent application for Knife Rest Hose Switching Protection Frame Device of Double-wheel Milling Mixer. This invention was developed by Chen Wei, Wei Chuiyong, Jiang Chengshu, Chen Xiaoqing, Li Xiaomin ..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Suzhou Tangrenyingzao Building Decoration Eng Co Ltd has submitted a patent application for Self-adaptive Supporting Device for Top Surface Pipeline in Narrow Space. This invention was developed by Jiang Shuanglong, Meng Lingyu, Xu Huihan, Jiang Shunfei and Ma Chao.
The patent application number is CN2025..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has released Guocheng Group Co Ltd patent application for Pipeline Fixing Device and Method for Municipal Pipe Network Laying. This invention was developed by Zhang Zhongyang, Feng Yunhao, Wang Gang, Xie Yu and Wu Shifeng.
The patent application number is CN2025..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Jiaxing United Sewage Treat Co Ltd has sought patent for Device for Supporting Sewage Treatment Integrated Equipment Pipeline. This invention was developed by Zhang Rongbin, Cui Yinghui, Wu Zhengqing, Wu Fangchao and Xu Runze.
The patent application number is CN202511620517 20251107. The patent publicatio..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Tianjin Zhuke Tech Development Co Ltd has submitted a patent application for Positioning and Fixing Device for Installing Pipeline in Cavity of Glass Fiber Reinforced Gypsum Board. This invention was developed by Sun Shikun.
The patent application number is CN202511527776 20251024. The patent publication ..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has received Shanghai Lianyu Ind Co Ltd patent application for Foldable Pipeline Support. Zhu Zhaojia, Zhu Bin and Gu Yuelei developed the invention.
The patent application number is CN202511465695 20251014. The patent publication number is CN121067141 (A). Inte..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has received CCCC First Harbor Engineering and No. 2 Engineering of CCCC First Harbor Engineering patent application for Method and System for Transporting Pipelines in Narrow Public Pipe Gallery. Gao Yulin, Gong Yabo, Liu Jianguo, Jiang Hua, Chi Yuangong, Zhou Bo,..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has received Jinan Urban Construction Group and Jinan City Construction Group patent application for Miniature Pipe Jacking Machine for Underground Pipeline Laying. Wang Chao, Chen Kuan, Guo Yinghou, Guo Lei, Yan Chao and Li Qi developed the invention.
The paten..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Powerchina Ecological Env Group Co Ltd has submitted a patent application for Adjustable Pipeline Jacking Device and Pipeline Jacking Process. This invention was developed by Ping Yang, Huang Yuhua, Zhang Weicheng, Liu Wei, Zhang Tong and Dai Zhidong.
The patent application number is CN202511395444 202509..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Hubei Changlu Information Tech Co Ltd has applied Chinese patent for Multi-stage Squirrel-cage Type Flow and Pressure Regulating Valve for Ultrahigh-pressure Petroleum Pipeline. Ning Yi, Chen Gongyang and Moon Pil Woong developed it.
The patent application number is CN202511227294 20250829. The patent pub..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Shanghai Honsheng Special Valve Mfg Co Ltd has submitted a patent application for Corrugated Pipe Sealing Ball Valve with Anti-impact Function. This invention was developed by Tan Yuying and Pan Jianxin.
The patent application number is CN202511398120 20250928. The patent publication number is CN121067084..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Hengshui Ruilong Tech Co Ltd has submitted a patent application for High-wear-resistance Ceramic Ring Three-way Pipeline for Coal Preparation Plant. Li Liankai, Zhang Xinbo and Wang Xizheng developed the invention.
The patent application number is CN202511295656 20250911. The patent publication number is ..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has published Jieyang Dingdanni Tech Co Ltd patent application for Mechanical Interlocking Pipeline Quick-plug Connector Assembly Based on Top Pull Pipe Construction Application. The invention was developed by Zhang Longbin.
The patent application number is CN20..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Jiangsu Anflon Tech Co Ltd has submitted a patent application for Fastening Device for Connecting Teflon Pipe and Hard Pipe. This invention was developed by Ji Xiaobing, Chang Dongqin and Wang Guomin.
The patent application number is CN202511521039 20251023. The patent publication number is CN121067164 (A..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Hangzhou Henglang Tech Co Ltd has submitted a patent application for Self-cleaning Type Fluid On-off Control Device of High-pressure Fluid Pipeline. Xue Peng, Cao Liping, Liu Ling, Li Xiaoyu and Xiong Qi developed the invention.
The patent application number is CN202511459075 20251013. The patent publicat..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- ITP Outside Co Ltd has filed a patent application for Universal Joint for High-pressure Fluid Pipeline. This invention was developed by Beltran Paris Paco, Recuero Gonzalez Angel, Cavison Bilbao Eduardo, Orabaleta Crespo Andres and Hugo Alfonso Carmona Olbanones.
The patent application number is CN2025104..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Guowu Baidi Prec Machinery Suzhou Co Ltd has submitted a patent application for Water Pipe Vertical Supporting Structure and Flexible Coupling. This invention was developed by Pan Yuming and Wang Kai.
The patent application number is CN202511300795 20250912. The patent publication number is CN121067157 (A..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has released Parker Hannifin Europe Midland And Africa patent application for Functional Nut for a Pipe or Hose Screw and Pipe or Hose Screw. This invention was developed by Rauchner Andreas and Udhofer Andreas.
The patent application number is CN202510695916 20..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has received Dong A Flexible Metal Tubes Co Ltd patent application for Flexible Pipe Connector and Manufacturing Method Thereof. Choi Jin Rim developed the invention.
The patent application number is CN202510728091 20250603. The patent publication number is CN12..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Kunshan Zhengan Fluid Equipment Co Ltd has submitted a patent application for Hot Press Molding Equipment for Elbow Pipe Fitting. Wang Baishi developed the invention.
The patent application number is CN202511615610 20251106. The patent publication number is CN121061005 (A). International Patent Classifica..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Western Metal Materials Co Ltd has submitted a patent application for Preparation Method of Ultra-large-diameter Titanium Alloy Seamless Pipe. This invention was developed by Yang Shuai, Suga Shigefuchi, Wang Liaozi, Jia Zhiwei and Song Zhenkun.
The patent application number is CN202511321373 20250916. Th..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Shaanxi Weisida Instr And Meter Co Ltd has submitted a patent application for Intelligent Gas Pipeline Safety Management Method and Device, Electronic Equipment and Medium. This invention was developed by Hou Liyuan, Wang Zhao, Wei Yinchang, Zhao Wei and Deng Huaihui.
The patent application number is CN20..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has received Chongqing Refine Yumei Die Casting Co Ltd patent application for Real-time Monitoring System and Method for Leakage of Mold Cast Pin Cooling Water Pipeline. Tang Chunlin, Hu Changjiang and Huang Rui developed the invention.
The patent application nu..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has published Guangdong Kezheng Hydropower And Construction Eng Quality Inspection Co Ltd patent application for Method for Quickly Positioning Leakage of Long-distance Water Delivery Pipeline. The invention was developed by Gao Zhiwei, Wang Jianxue, Huang Jingwu, ..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has received Eslink Computing Hangzhou Co Ltd and Goldcard Water Technology patent application for Evaluation Method and System for Leakage Points of Pipe Network. Zhang Yanwu, Shen Lingxia, Zheng Chao and Wang Wenjing developed the invention.
The patent applica..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Beiwang Road & Bridge Construction Co Ltd has submitted a patent application for Safety Monitoring Method and System for Municipal Road Underground Pipeline. This invention was developed by Wang Yuan.
The patent application number is CN202511284751 20250909. The patent publication number is CN121067260 (A..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- No. 5 Eng Jiangsu Co Ltd Of CCCC Third Harbor Eng Co Ltd has applied Chinese patent for Intelligent Detection System and Method for Scale Layer of Buried Sewage Pipeline Based on Internet of Things. Pei Yangeng, Shen Dong, Pan Hairui, Qiao Peng, Chen Dijun and Song Dandan developed it.
The patent applicat..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Qionglai Anyuan Gas Co Ltd has filed a patent application for Natural Gas Pipeline Network Leakage Early Warning Method and Early Warning Device Thereof. This invention was developed by Luo Junfeng, Luo Yu, Yu Wei, Liu Jinwen and Cai Zhi.
The patent application number is CN202511192544 20250825. The paten..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has released Huaibei Mining; Xutuan Coal Mining Of Huaibei Mining Co Ltd patent application for Coal Seam Working Area Gas Pipeline Detection Device. This invention was developed by Wang Xiaofeng, Sun Huaibei, Wei Zheng, Lian Longquan, Zhao Bin, Xu Doudou, Zhang Ka..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Sichuan Huaneng Fujiang Hydropower Co Ltd has filed a patent application for Hydraulic Control Pipeline Protection Device. This invention was developed by Zhang Bangqing, Wang Heng, Chen Jian, Li Chao, Huang Dayong, Yang Xiaofang, Chen Lin and Ye Taifu.
The patent application number is CN20251151152 20250..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Nantong Qilike New Mat Co Ltd has submitted a patent application for Paving Equipment for Repairing Small-caliber Pipeline. Yan Xuanchen, Wang Yi, Ping Peng, Yan Yuan and Xiang Ziru developed the invention.
The patent application number is CN202511433412 20251009. The patent publication number is CN121067..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Changzhou Wujin Wunan Pipeline Equipment Co Ltd has filed a patent application for Shock-absorbing Pipe Bracket for Petroleum Conveying Pipeline. This invention was developed by Yu Xinchun and Yu Jiapeng.
The patent application number is CN202511603899 20251105. The patent publication number is CN12106717..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Beijing Miyun Construction Eng Group Co Ltd has filed a patent application for Bent Pipe Damping Support Structure. This invention was developed by Yang Bing, Zhang Jianhua, Zhang Qingchao, Wei Jianfei, Xu Haichao, Wang Yong, Zhao Long, Wang Chuncheng and Lu Wei.
The patent application number is CN2025113..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 --A VIC Xi'an Aircraft Industry Group Co Ltd has filed a patent application for Precise Detection and Alarm Device for Expansion of Pipe Joint and Use Method of Precise Detection and Alarm Device. This invention was developed by Wang Shouchuan, Yuan Bo, Cheng Lin, Liu Shengxi and Wang Min.
The patent applica..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Zhejiang Yuou Construction Co Ltd has applied Chinese patent for Portable Cutting Device for Pipeline Construction. Wu Jianzhong, Li Guangbing and Li Xiangwei developed it.
The patent application number is CN202511180139 20250822. The patent publication number is CN121061234 (A). International Patent Clas..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has published Jiangsu Chilong Environmental Tech Co Ltd patent application for Pipe High-precision Cutting Machining Equipment for Stainless Steel Floor Drain Production. The invention was developed by Lu Dianwen.
The patent application number is CN202511393487 ..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Zhejiang Jiaxuan Ind and Trade Co Ltd has applied Chinese patent for Cutting Device for Steel Pipe. Lyu Xiaolu developed it.
The patent application number is CN202511437752 20251009. The patent publication number is CN121061229 (A). International Patent Classification codes are B23D21/00, B23D33/00, B23D3..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Nantong Borui Intelligent Tech Co Ltd has filed a patent application for Fixed-distance Cutting Device for Machining Aluminum Alloy Radiating Pipe for Refrigerator. This invention was developed by Xue Xiaohong and Xue Wenyi.
The patent application number is CN202511544079 20251028. The patent publication ..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Nidec Chaozhong Tech Co Ltd has filed a patent application for Annular Double-pipe-diameter Heat Pipe. This invention was developed by Li Quanyou, Kim Ka Young and Wang Zhengyan.
The patent application number is CN202410722309 20240605. The patent publication number is CN121067630 (A). International Paten..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has received Xiangyuan Jinsuiharvester Mfg Co Ltd patent application for Superconducting Heat Pipe Type Hot Air Circulation Furnace and Grain Drying Equipment with Same. Li Yuanxiang, Hu Huafeng, Li Jingwei and Cao Yunfan developed the invention.
The patent appl..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Huadi Steel Group Co Ltd has submitted a patent application for Stainless Steel Pipe Flaring Machine and Machining Method Thereof. Zhang Jiang and Jiang Zenghe developed the invention.
The patent application number is CN202511272471 20250908. The patent publication number is CN121061046 (A). International..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Shaanxi Weisheng Intelligent Tech Co Ltd has applied Chinese patent for Rolling Device in Guide Pipe. Yang Wei, Cai Zongyuan and Yang Jingchao developed it.
The patent application number is CN202511607048 20251105. The patent publication number is CN121061044 (A). International Patent Classification codes..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has received Wuxi Tongfang Artificial Env Co Ltd patent application for Two-pipe Control System and Method Based on Direct Expansion Type Air Conditioning Unit. Yin Dixi, Sun Bin, Ma Quanshi, Zhou Fang, Pu Dong and Cai Zhengfeng developed the invention.
The pate..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has received Xiamen Dongli Jianchi Health Ind Co Ltd and Qingdao Insight Health Tech Ltd patent application for Sliding Support Anti-collision Structure of Pipe Bending Machine. Xu Liang and Lu Enhui developed the invention.
The patent application number is CN20..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Tianjin Flower Science And Tech Developing Ltd has submitted a patent application for Profiling Detection Device for Bent Hydraulic Seamless Steel Pipe. This invention was developed by Liu Xuemei, Shao Nian and Jiang Yunfei.
The patent application number is CN202511569120 20251030. The patent publication ..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Ginho Prec Manufacturing Public Ltd Co has submitted a patent application for Bent Pipe Thickness Reduction Prevention Tool and Method. This invention was developed by Liu Dunchao, Li Na, Liu Hui, Wang Xinyuan, Zhang Feng, Guo Zonglei, Zeng Yunxiang, Yan Dong, Xue Dong, Li Gaoyang and Wei Zhe.
The patent ..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has released Guangdong Kexin Electric Co Ltd patent application for Self-positioning Control Method and System of Pipe Bending All-in-one Machine. This invention was developed by Xiong Huaming, Li Lei, Zhou Yaokun and Li Zhi.
The patent application number is CN2..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Hangzhou Eda Precision Electromechanical Science & Tech Co Ltd has submitted a patent application for Feeding Transition Tool of Pipe Fitting Machining Platform. This invention was developed by Zhang Shaote, Zhang Qite, Tan Yunpei, Lu Fei, Yuan Xinglong, Wang Bingzheng, Xie Wanqiao and Ma Lanbo.
The paten..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Hebei Longjin Pipeline Equipment Co Ltd has submitted a patent application for Pressing Pipe Cutting and End Face Processing Integrated Equipment. Wang Yuepeng developed the invention.
The patent application number is CN202511535282 20251027. The patent publication number is CN121061612 (A). International..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Ningbo Gangxing Refrigeration Fittings Co Ltd has submitted a patent application for Full-automatic Copper Pipe Blanking, Expanding and Necking Process. Hu Li and Chen Zhexue developed the invention.
The patent application number is CN202511479293 20251016. The patent publication number is CN121061611 (A)..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Xiangyang Xinyi Electromechanical Co Ltd has sought patent for Automatic Welding Device for Metal Pipes. This invention was developed by Ouyang Jungang, Xie Jianze and Wang Yong.
The patent application number is CN202511375076 20250925. The patent publication number is CN121061592 (A). International Paten..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has published Changshu Tianyin Electromechanical Co Ltd patent application for Mold Structure for Automatic Assembly of Air Suction Pipe of Air Suction Silencer of Refrigeration Compressor. The invention was developed by Zhao Yunwen, Zhao Xiaodong, Sun Wei, Ding Zh..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Beijing Tianheng Anke Group Co Ltd has submitted a patent application for Underground Pipe Gallery Intelligent Inspection Robot and Hidden Danger Dynamic Identification System. Meng Hanxie, An Bo, Lyu Beifang, Quan Licheng, Wang Qian, Wang Zheng, Liu Weihua and Xu Dan developed the invention.
The patent a..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Wang Zhifeng has submitted a patent application for Hydraulic Engineering Pressure Steel Pipe Butt Joint Device. This invention was developed by Wang Zhifeng, Zhang Tianfeng, Liu Youchuan and Du Xinyu.
The patent application number is CN202511316251 20250916. The patent publication number is CN121061527 (..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Xi'an Dafu Aerospace Tech Co Ltd has submitted a patent application for Low-stress Titanium Alloy Welded Pipe Production Device and Method. This invention was developed by Zhang Lixing, Li Xin, Liang Jiahua, Dang Zenghui and Du Haonan.
The patent application number is CN202511532292 20251024. The patent p..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Jiangsu Boming Air Conditioning Equipment Co Ltd has submitted a patent application for Steel Pipe Winding and Welding Equipment. Xu Manxing developed the invention.
The patent application number is CN202511449240 20251011. The patent publication number is CN121061499 (A). International Patent Classificat..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Zhejiang Yufan Electric Co Ltd has submitted a patent application for Welding Treatment Device and Method for Special Flange Plate and Metal Pipe Fitting. This invention was developed by Lin Hui, Deng Hong and Ye Lanlong.
The patent application number is CN202511474941 20251015. The patent publication num..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has received Tianchang Kanghong Jingte Pipe Co Ltd patent application for Intelligent Alloy Pipe Welding Device and Welding Method. Chen Rongcai, Mei Kun, Tao Dong and Chen Liujun developed the invention.
The patent application number is CN202511309752 20250915...
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has released Huaneng Clean Energy Res Institute and Huaneng Qingyang Coal and Electricity patent application for Carbon Dioxide Pipeline Welding Device. This invention was developed by Zhou Juan, Jin Jiancheng, Jing Tieya, Duo Lingjuan, Zhao Wentao, Xia Yuxiao, Zha..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has released Beijing Zhongyu Global Natural Science Res Institute patent application for Adjustable Pipe Welding Device for Building Construction. This invention was developed by Liao Xinling and Liao Guofeng.
The patent application number is CN202511499957 2025..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Yancheng Charles Electrical Machinery Co Ltd has filed a patent application for Welding Equipment for Engine Oil Pipe Machining. This invention was developed by Xu Hongda, Xu Qianlin and Xu Zhedian.
The patent application number is CN202511331395 20250918. The patent publication number is CN121061431 (A)...
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Tianjin Panzhuang Building Mat Co Ltd has filed a patent application for Pipe Pile Inner Wall Welding Method Based on Visual Perception. This invention was developed by Han Hongshuai and Yu Zhenjin.
The patent application number is CN202511376652 20250925. The patent publication number is CN121061408 (A)...
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Wuxi Haiding Microelectronics Co Ltd has filed a patent application for Laser Cutting Machine for Pipeline Jacket Production. This invention was developed by Xu Jiaze.
The patent application number is CN202511311426 20250915. The patent publication number is CN121061374 (A). International Patent Classific..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has received Xi'an Saite Simai Titanium Ind Co Ltd patent application for Universal Measuring Device for Offset of Pipe Joint. Yang Juan, Sun Xiaoyong, Yin Yijiao, Wu Hexu, Fu Chengqi, Feng Hui, Wei Fenrong, Luo Binli and Bai Xinfang developed the invention.
The..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Fuyang Yingtian Intelligent Tech Co Ltd has submitted a patent application for Flatness Detection Device for Air Conditioner Metal Pipeline Spraying. Li Xiaosheng, Tang Chaolei, Wang Jun, Liu Yang and Wang Dongyi developed the invention.
The patent application number is CN202511472233 20251015. The patent..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Nanjing Wotuo Metal Products Co Ltd has submitted a patent application for Plug-in Copper and Aluminum Pipe Butt Joint Resistance Welding Machine and Welding Method. This invention was developed by Wu Shoujun and Zhu Kaibiao.
The patent application number is CN202511486252 20251017. The patent publication..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Suzhou Sicui Thermal Control Tech Co Ltd has applied Chinese patent for High-flux Copper Alloy Liquid Cooling Heat Dissipation Plate Runner Pipe Brazing Equipment and Method Thereof. Lei Dingzhong, Zhu Ming and Wang Fan developed it.
The patent application number is CN202511600786 20251104. The patent pub..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Jiangsu Huanghua Fire Fighting Tech Co Ltd has submitted a patent application for Laser High-precision Detection Device for Sealing Size of Double-layer Composite Air Pipe. Huang Zhihua developed the invention.
The patent application number is CN202511471318 20251015. The patent publication number is CN12..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Daqing Hongxin Metal Product Mfg Co Ltd has applied Chinese patent for Polyhydrogen Ester Thermal Insulation Pipe Waste Foam Crushing, Screening and Recycling System. Ma Haicheng, Zhang Haitao and Shi Jijun developed it.
The patent application number is CN202511413756 20250929. The patent publication numb..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has released Jiangxi Guosu New Mat Co Ltd patent application for Injection Molding Device for Pipeline Assembly Part Production. This invention was developed by Li Yuming, Xie Bin and Zhong Hongquan.
The patent application number is CN202511566601 20251030. The ..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Hebei Gaoda Intelligent Equipment Co Ltd has submitted a patent application for Pipe Drawing and Strand Pulling Device for Laying Steel Strands Based on Bridge Erection. Liu Jianshe, Ma Guangcun, Wang Lifei, Meng Ran and Yang Hanxu developed the invention.
The patent application number is CN202511630937 2..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Guizhou Panjiang CBM Dev & Utilization Co Ltd has submitted a patent application for Gas Inlet Pipeline Test Device for Gas Generator. Wang Jiantao, Zheng Wanyu, Wan Yuting and Liu Xiaobo developed the invention.
The patent application number is CN202511294109 20250911. The patent publication number is CN..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Shandong Ruiaoyuan Construction and Installation Co Ltd has submitted a patent application for Controllable Cutting Machine for Drainage Pipeline Production. This invention was developed by Ma Shouyun and Liu Wenwen.
The patent application number is CN202511424955 20250930. The patent publication number i..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has published Anhui Guoqing Intelligent Environmental Protection Tech Co Ltd patent application for Metal Hose Bending Rigidity Detection Device. The invention was developed by Sun Mingyi and Sun Wenqin.
The patent application number is CN202511328546 20250917. ..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Zibo Luyang Rubber & Plastic Co Ltd has submitted a patent application for Rubber and Plastic Pipe Protection Performance Testing Device. Meng Yang developed the invention.
The patent application number is CN202511309349 20250915. The patent publication number is CN121068338 (A). International Patent Clas..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Sichuan Jiuhuan Environmental Tech Co Ltd has submitted a patent application for Turbidity Preparation Instrument Adopting Pipe Cutting Combined Metering Mode. Li Guoqiang, Feng Jiamin, Zeng Yan, Cao Chuxu, Zhang Jiawu, Chu Hailin and Liu Bin developed the invention.
The patent application number is CN202..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has received Anhui Haoxin Tech Co Ltd patent application for Polishing Roller Brush for Pipe Polishing. Zhang Guoshuang developed the invention.
The patent application number is CN202511476154 20251016. The patent publication number is CN121061745 (A). Internati..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Ganyeah Holding Group Co Ltd has filed a patent application for Efficient Automatic Treatment Device for Multi-stage Grinding of Stainless Steel Pipe Surface. This invention was developed by Luo Yuanqing, Wu Zhengyi, Li Dejiang, Fan Xiaoyan and Jing Liting.
The patent application number is CN202511360268 ..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has published Jinan Boiler Group Co Ltd patent application for Cutting Device for Pipe Joints in Rows on Boiler Header. The invention was developed by Zhang Bin, Feng Zhankuo, Li Xinqiang, Tian Jingbo, Li Lin, Liu Tongchun and Sun Hongzhong.
The patent applicati..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Hengyang Hongtao Machinery Machining Co Ltd has sought patent for Linear Control Steel Pipe Chamfering Positioning Machining Equipment and Method. This invention was developed by Liu Jianhua, Hu Shangqi, He Baiqing, Xu Xiaoming and Tang Zhouchao.
The patent application number is CN202510942188 20250709. T..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has released Operation Branch Of Jiangxi Natural Gas Pipeline Co Ltd patent application for Internal Leakage Detection Device for Emptying Valve. This invention was developed by Zhang Chunyan, Wang Yu, Zhang Weishen, Ma Kaiji, Ji Gang and Lai Rongbin.
The patent..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Jiangsu Jingyi Forging Co Ltd has sought patent for Four-way Oil Pipe Inner Wall Grinding Equipment. This invention was developed by Zhang Naiguo.
The patent application number is CN202511570903 20251030. The patent publication number is CN121061691 (A). International Patent Classification codes are B24B4..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Nanjing Xiangfa Scaffolding Eng Co Ltd has filed a patent application for Device Capable of Polishing Inner Wall and Outer Wall of Steel Pipe Simultaneously. This invention was developed by Cai Xin and Fu Chuanfa.
The patent application number is CN202511286591 20250910. The patent publication number is C..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- State Intellectual Property Office of China has released Taizhou Runda Machinery Mfg Co Ltd patent application for Port Pipe Grinding Device for Water Pump Machining Based on Intelligent Manufacturing Equipment. This invention was developed by Gao Feng, Gao Zijian, Cao Jiyin, Huang Baojiang, Zhang Genhong an..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Coldwell Thermal Tech Suzhou Co Ltd has sought patent for Intelligent Control Method for Full-automatic Pipe Scraping Device of Air Cooler. This invention was developed by Yang Jia.
The patent application number is CN202511603849 20251105. The patent publication number is CN121061660 (A). International Pa..
Pipe
| Mon 20 Apr 2026
Beijing, April 20 -- Huaian Huachuang New Mat Co Ltd has filed a patent application for PVDF (polyvinylidene Fluoride) Pipe with Anti-corrosion Effect and Processing Method Thereof. This invention was developed by Liang Heng, Luo Yi and Yan Bingrong.
The patent application number is CN202511439617 20251010. The patent publica..
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