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22:53:34 Thu 29 Jan 2026

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Jiangsu Changbao Steel Tu

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(3)

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(3)

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(3)

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(3)

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(3)

(3)

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(3)

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(3)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

(2)

(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

(1)

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(1)

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(1)

Future Kaiwu Kunshan Tech

(1)

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(1)

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(1)

Gaoke Building Materials

(1)

(1)

Genii Ideas Co Ltd

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

Guilin University of Elec

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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Sinomach Sensing Tech Co Ltd and Shenyang Academy Of Instrumentation Science Co Ltd Submit Patent Application for Pipeline Detection Robot and Method Based on Multiple Sensors

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Sinomach Sensing Tech Co Ltd and Shenyang Academy Of Instrumentation Science Co Ltd have submitted a patent application for Pipeline Detection Robot and Method Based on Multiple Sensors. Gong Yingjiao, Li Zhichao, Chu Shuai, Li Shangqing and Geng Wei developed the invention. The patent application number ..

State Intellectual Property Office of China Releases FAW Logistics Chengdu Co Ltd Patent Application for Pipeline Processing Method and Device and Storage Medium

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has released FAW Logistics Chengdu Co Ltd patent application for Pipeline Processing Method and Device and Storage Medium. This invention was developed by Ran Ran. The patent application number is CN202510517482 20250423. The patent publication number is CN120351..

Yuanzang Shanghai Tech Co Ltd Submits Chinese Patent Application for Pipeline Structure with Anti-freezing Function

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Yuanzang Shanghai Tech Co Ltd has submitted a patent application for Pipeline Structure with Anti-freezing Function. This invention was developed by Fu Bo. The patent application number is CN202510664090 20250522. The patent publication number is CN120351400 (A). International Patent Classification codes a..

Shanghai Ershiye Construction Co Ltd and China MCC20 Group Corporation Submit Chinese Patent Application for Steel Pipe Column Concrete Jacking Grouting Input Device and Method

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Shanghai Ershiye Construction Co Ltd and China MCC20 Group Corporation have submitted a patent application for Steel Pipe Column Concrete Jacking Grouting Input Device and Method. This invention was developed by Li Zeying, Chen Yongqiang and Lin Zewu. The patent application number is CN202510617929 2025051..

Hebei Xingjie Pipe Ind Co Ltd and Xingjie Pipeline Tech Co Ltd Seek Patent for Corrosion-resistant PVC-U Drain Pipe and Preparation Method Thereof

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Hebei Xingjie Pipe Ind Co Ltd and Xingjie Pipeline Tech Co Ltd have sought patent for Corrosion-resistant PVC-U Drain Pipe and Preparation Method Thereof. This invention was developed by Liu Xuguang. The patent application number is CN202510846024 20250624. The patent publication number is CN120349605 (A)...

China Enfi Eng Corp and China Nonferrous Engineering Submit Patent Application for Blockage Monitoring System for Conveying Pipeline and Conveying Pipeline

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- China Enfi Eng Corp and China Nonferrous Engineering have submitted a patent application for Blockage Monitoring System for Conveying Pipeline and Conveying Pipeline. Liu Yunzhi, Zhang Mingyang, Yang Xu, Guo Limin and Zhang Kai developed the invention. The patent application number is CN202510616111 202505..

National Petroleum Pipeline Network Group and West East Transp Branch of National Petroleum and Natural Gas Pipeline Group Submit Patent Application for Function Test Method of Inf..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- National Petroleum Pipeline Network Group and West East Transp Branch of National Petroleum and Natural Gas Pipeline Group have submitted a patent application for Function Test Method of Information System Based on Artificial Intelligence. Yan Mi, Chen Yingzi, Huang Shiqing, Hao Min, Sun Yifan, Du Chunlong, L..

Foshan Rifeng Enterprise, Rifeng New Mat Co Ltd and Rifeng Tech Co Ltd Submit Chinese Patent Application for System for Manufacturing Peroxide Crosslinked Polyethylene Pipe and Cro..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Foshan Rifeng Enterprise, Rifeng New Mat Co Ltd and Rifeng Tech Co Ltd have submitted a patent application for System for Manufacturing Peroxide Crosslinked Polyethylene Pipe and Crosslinking Furnace Thereof. This invention was developed by Wang Yongbiao and Lyu Ailong. The patent application number is CN2..

Foshan Rifeng Enterprise, Rifeng New Mat Co Ltd and Rifeng Tech Co Ltd Submit Patent Application for System for Manufacturing Peroxide Crosslinked Polyethylene Pipe

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Foshan Rifeng Enterprise, Rifeng New Mat Co Ltd and Rifeng Tech Co Ltd have submitted a patent application for System for Manufacturing Peroxide Crosslinked Polyethylene Pipe. Wang Yongbiao and Lyu Ailong developed the invention. The patent application number is CN202510839360 20250623. The patent publicat..

Hebei Shougu Pipeline Tech Co Ltd and Hebei Qimai Pipeline Tech Co Ltd Apply for Patent on Manufacturing Method of Plastic PVC (polyvinyl Chloride) Pipeline and Pipeline Thereof

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Hebei Shougu Pipeline Tech Co Ltd and Hebei Qimai Pipeline Tech Co Ltd have applied Chinese patent for Manufacturing Method of Plastic PVC (polyvinyl Chloride) Pipeline and Pipeline Thereof. Zhang Jianxin, Xu Yingluo and Wen Fengxian developed it. The patent application number is CN202510863540 20250626. T..

Hangzhou Campus Of Zhejiang Normal Univ and Zhejiang Kuhua Refrigeration Equipment Eng Co Ltd Submit Patent Application for Refrigerant Pipe Cutting Device for Installation of Cons..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Hangzhou Campus Of Zhejiang Normal Univ and Zhejiang Kuhua Refrigeration Equipment Eng Co Ltd have submitted a patent application for Refrigerant Pipe Cutting Device for Installation of Constant-temperature Refrigeration House. Zhou Wenjie, Tao Jie, Qi Yanhui, Wang Kaijian and E Shiju developed the invention...

Guangdong Longxin Laser Intelligent Equipment and Guangdong University of Technology Submit Patent Application for Laser Self-adaptive Cutting Method and System for Heavy Steel Pip..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Guangdong Longxin Laser Intelligent Equipment and Guangdong University of Technology have submitted a patent application for Laser Self-adaptive Cutting Method and System for Heavy Steel Pipe with Abnormal Deformation Thickness. Xia Guozhang, Deng Yu, Ji Changbin, Cen Zihong, Lao Haobin and Liang Yuanle devel..

National Petroleum Pipeline Network Group and Nat Pipe Network Group North Pipeline Co Ltd Submit Chinese Patent Application for Evaluation System and Method for Oil-gas Pipe Netwo..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- National Petroleum Pipeline Network Group and Nat Pipe Network Group North Pipeline Co Ltd have submitted a patent application for Evaluation System and Method for Oil-gas Pipe Network Industrial Control System. This invention was developed by Song Fei, Wei Yixin, Hei Weichun, Jia Lidong, Wang Neng, Wang Yuqi..

Wilson Michael W N Submits Norwegian Patent Application for Method for Storing, Delivering and Spooling Preassembled Pipelines

Pipe

| Thu 29 Jan 2026

Oslo, Jan. 29 -- Wilson Michael W N has submitted a patent application for Method for Storing, Delivering and Spooling Preassembled Pipelines. The patent application number is NO20110000311 20110225. The patent publication number is NO20110311 (A1). International Patent Classification code is F16L1/12. Cooperative Patent Class..

Shanxi Guohua Energy Co Ltd Files Chinese Patent Application for Method and System for Monitoring Corrosion State of Long-distance Pipeline

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Shanxi Guohua Energy Co Ltd has filed a patent application for Method and System for Monitoring Corrosion State of Long-distance Pipeline. This invention was developed by Li Ke, Zhou Jinlong, Li Dong, Wang Yangbo and Song Jianduo. The patent application number is CN202510815912 20250618. The patent publica..

Tiantai Fujian New Material Tech Co Ltd Submits Patent Application for Nylon Titanium Dioxide Slurry Conveying Pipeline and Conveying System

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Tiantai Fujian New Material Tech Co Ltd has submitted a patent application for Nylon Titanium Dioxide Slurry Conveying Pipeline and Conveying System. Chen Xi developed the invention. The patent application number is CN202510828283 20250620. The patent publication number is CN120351449 (A). International Pa..

Sichuan Tianren Energy Tech Co Ltd Seeks Patent for Recycling Method for Oil Tank Nitrogen Sealing Gas and Oil Gas Recovered by Oil Transportation Crane Pipe

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Sichuan Tianren Energy Tech Co Ltd has sought patent for Recycling Method for Oil Tank Nitrogen Sealing Gas and Oil Gas Recovered by Oil Transportation Crane Pipe. This invention was developed by Yang Peng, Yang Xiangyi, Wang Juanyun, Song Weiyuan, Zhong Junbo and Yang Hao. The patent application number is..

Chengdu Shanhai Heat Shrinkable Products Co Ltd Files Chinese Patent Application for Pipe Wall Flatness Repairing Device and Method

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Chengdu Shanhai Heat Shrinkable Products Co Ltd has filed a patent application for Pipe Wall Flatness Repairing Device and Method. This invention was developed by Huang Mougang, Zhang Chengxian, Ma Guoguang and Tan Zhengping. The patent application number is CN202510789212 20250613. The patent publication ..

Yongdeli Tech Wuxi Co Ltd Applies for Patent on Double-valve-element Automatic Check Joint for Oil Pipe

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Yongdeli Tech Wuxi Co Ltd has applied Chinese patent for Double-valve-element Automatic Check Joint for Oil Pipe. Zhou Guoxiong developed it. The patent application number is CN202510432397 20250408. The patent publication number is CN120351398 (A). International Patent Classification codes are F16K15/02 a..

Sichuan Yasu New Mat Co Ltd Files Chinese Patent Application for Basalt Fiber Reinforced Polyethylene Steel Wire Reinforced Composite Pipe

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Sichuan Yasu New Mat Co Ltd has filed a patent application for Basalt Fiber Reinforced Polyethylene Steel Wire Reinforced Composite Pipe. This invention was developed by Liu Laiqiong and Chen Qiankun. The patent application number is CN202510574619 20250506. The patent publication number is CN120351390 (A)..

Zhejiang Zhenyang Thermal Insulation Tech Co Ltd Submits Chinese Patent Application for Rigid Polyurethane Heat Insulation Pipeline with Double-sealing Structure

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Zhejiang Zhenyang Thermal Insulation Tech Co Ltd has submitted a patent application for Rigid Polyurethane Heat Insulation Pipeline with Double-sealing Structure. This invention was developed by Zhang Ping, Dong Jie, Li Jianqiang and Wang Taoxin. The patent application number is CN202510829008 20250620. Th..

State Intellectual Property Office of China Publishes Jiangsu Fengteng Plastic Co Ltd Patent Application for Flame-retardant, Weather-resistant and Corrosion-resistant MPVCT Compos..

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has published Jiangsu Fengteng Plastic Co Ltd patent application for Flame-retardant, Weather-resistant and Corrosion-resistant MPVCT Composite Pipe and Preparation Process. The invention was developed by Hu Guangfu. The patent application number is CN20251047186..

Longhua County Housing and Urban Rural Dev Bureau Submits Patent Application for Supporting Device with Stable Structure for Municipal Engineering Pipeline Laying and Supporting Me..

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Longhua County Housing and Urban Rural Dev Bureau has submitted a patent application for Supporting Device with Stable Structure for Municipal Engineering Pipeline Laying and Supporting Method. Chi Xiaohui, Chi Xiaoyan, Li Weidong, Jia Hongbin and Liu Jialei developed the invention. The patent application ..

Shanghai Liangwan Building Decoration Eng Co Ltd Applies for Patent on Positioning Support for Water and Electricity Pipeline Decoration

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Shanghai Liangwan Building Decoration Eng Co Ltd has applied Chinese patent for Positioning Support for Water and Electricity Pipeline Decoration. Xu Bin, Zhao Wei, Qu Xiaoqin, Yang Yanqiang, Nie Shengwei, Wang Xiong, Wang Fenggang, Sun Xiujun, Yi Chongmeng and Sun Shukui developed it. The patent applicati..

Changge Gravity Machinery Co Ltd Files Chinese Patent Application for High-temperature-resistant Steam Pipeline

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Changge Gravity Machinery Co Ltd has filed a patent application for High-temperature-resistant Steam Pipeline. This invention was developed by Chen Jun, Qiu Caiying and Shi Liya. The patent application number is CN202510738297 20250604. The patent publication number is CN120351383 (A). International Patent..

Zhu Bo Files Chinese Patent Application for Displacement Type Industrial Steam Supply Pipeline Comprehensive Pipe Frame Structure

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Zhu Bo has filed a patent application for Displacement Type Industrial Steam Supply Pipeline Comprehensive Pipe Frame Structure. The patent application number is CN202510607633 20250512. The patent publication number is CN120351382 (A). International Patent Classification codes are F16L3/10, F16L3/16 and..

Taizhou Anyshower Sanitary Ware Co Ltd Submits Chinese Patent Application for Telescopic Water Passing Structure of Bent Pipe and Telescopic Hardware Fitting

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Taizhou Anyshower Sanitary Ware Co Ltd has submitted a patent application for Telescopic Water Passing Structure of Bent Pipe and Telescopic Hardware Fitting. This invention was developed by Hu Minjun. The patent application number is CN202510537890 20250427. The patent publication number is CN120351358 (A..

State Intellectual Property Office of China Releases Foshan Rifeng Enterprise, Rifeng Entpr Group Co Ltd and Rifeng Tech Co Ltd Patent Application for Universal Angle Valve and Pip..

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has released Foshan Rifeng Enterprise, Rifeng Entpr Group Co Ltd and Rifeng Tech Co Ltd patent application for Universal Angle Valve and Pipeline System. This invention was developed by Lei Heng, Lin Xiyong, Wang Pan, Wei Xiaofan and He Wangzhi. The patent applic..

State Intellectual Property Office of China Releases Beijing Zhiweilan Tech Co Ltd Patent Application for Throttle Valve for Large-diameter Pipeline

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has released Beijing Zhiweilan Tech Co Ltd patent application for Throttle Valve for Large-diameter Pipeline. This invention was developed by Liu Yuehui, Huang Zhikun, Yan Fengkui and Jie Zhihua. The patent application number is CN202510440365 20250409. The paten..

Honghulin Tech Group Co Ltd Applies for Patent on Underground Sewage Pipeline Obstruction Cleaning Device

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Honghulin Tech Group Co Ltd has applied Chinese patent for Underground Sewage Pipeline Obstruction Cleaning Device. He Kai, Lei Hongyi, Xiao Zhilin and Zhu Kai developed it. The patent application number is CN202510762790 20250609. The patent publication number is CN120350741 (A). International Patent Clas..

State Intellectual Property Office of China Releases China Comm 2nd Navigational Bureau 2nd Eng Co Ltd and CCCC Second Harbour Engineering Patent Application for Construction Metho..

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has released China Comm 2nd Navigational Bureau 2nd Eng Co Ltd and CCCC Second Harbour Engineering patent application for Construction Method for Preventing Settlement of Pipe Network in Garage Roof Backfill Soil Layer. This invention was developed by Liu Shaohua, A..

State Intellectual Property Office of China Publishes Inner Mongolia West Natural Gas Pipeline Operation Co Ltd Patent Application for Pipeline Surrounding Environment Recognition ..

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has published Inner Mongolia West Natural Gas Pipeline Operation Co Ltd patent application for Pipeline Surrounding Environment Recognition Algorithm, System and Equipment for Aerial Image and Medium. The invention was developed by Su Lei, Zhao Haitao, Xia Yan, Ni H..

China MCC5 Group Corporation Submits Patent Application for Steel Casing Pipe Jacking Working Well Construction Method

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- China MCC5 Group Corporation has submitted a patent application for Steel Casing Pipe Jacking Working Well Construction Method. Zhang Chenyang, Wang Yang and Zhou Wanlei developed the invention. The patent application number is CN202510642700 20250519. The patent publication number is CN120350967 (A). Inte..

State Intellectual Property Office of China Publishes Dongying Jinyu Tech Development Co Ltd Patent Application for Sand Filtering Pipe with Anti-deformation Structure for Oil Well

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has published Dongying Jinyu Tech Development Co Ltd patent application for Sand Filtering Pipe with Anti-deformation Structure for Oil Well. The invention was developed by Li Lin and Li Wei. The patent application number is CN202510777922 20250611. The patent pu..

Qingdao Pengpai Ocean Exploration Tech Co Ltd Submits Chinese Patent Application for Lightweight Drainage Pipeline Defect Detection Method Based on Improved Yolov8

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Qingdao Pengpai Ocean Exploration Tech Co Ltd has submitted a patent application for Lightweight Drainage Pipeline Defect Detection Method Based on Improved Yolov8. This invention was developed by Wang Yuhang and Jiang Jingtao. The patent application number is CN202510460114 20250414. The patent publicatio..

Zhejiang Jingli Advanced Structure Material Res Institute Co Ltd Applies for Patent on Heat Treatment Production Line for High-strength Corrosion-resistant Pipes

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Zhejiang Jingli Advanced Structure Material Res Institute Co Ltd has applied Chinese patent for Heat Treatment Production Line for High-strength Corrosion-resistant Pipes. Yu Yan, Zhao Hongyun and Zhao Yixuan developed it. The patent application number is CN202510589139 20250508. The patent publication num..

State Intellectual Property Office of China Receives Henan Hongye Construction Man Co Ltd Patent Application for Safety Management Method and System for Heat Supply Pipe Network

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has received Henan Hongye Construction Man Co Ltd patent application for Safety Management Method and System for Heat Supply Pipe Network. Li Sanwei, Gao Zhen, Song Ke, Zhang Jianhui, Zhang Meijing, Zhu Junhui, Wu Supeng and Wang Juan developed the invention. The..

Hangzhou Huamao Intelligent Tech Co Ltd Submits Patent Application for Online Monitoring Method and System for Cathode Protection Corrosion Rate of Buried Pipeline

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Hangzhou Huamao Intelligent Tech Co Ltd has submitted a patent application for Online Monitoring Method and System for Cathode Protection Corrosion Rate of Buried Pipeline. Hua Qinyao, Wang Liang, Wang Chun, Huang Kai, Sun Fan, Wang Shenzhou and He Jincheng developed the invention. The patent application n..

Zhejiang Purui Pipe Ind Co Ltd Seeks Patent for Stainless Steel Seamless Pipe Fitting Surface Treatment Equipment and Method

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Zhejiang Purui Pipe Ind Co Ltd has sought patent for Stainless Steel Seamless Pipe Fitting Surface Treatment Equipment and Method. This invention was developed by Qian Hongxia and Mei Binglin. The patent application number is CN202510568669 20250430. The patent publication number is CN120350331 (A). Intern..

State Intellectual Property Office of China Releases LYSTEEL Patent Application for Acid-resistant Pipeline Steel X52MS Hot-rolled Coil Plate as Well as Preparation Method and Appl..

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has released LYSTEEL patent application for Acid-resistant Pipeline Steel X52MS Hot-rolled Coil Plate as Well as Preparation Method and Application Thereof. This invention was developed by Xu Bo, Liang Liang, Liu Ning, Hu Da, Tang Ying, Xiong Weiliang, Liang Wen, Zh..

Ju Tianyi Applies for Patent on Multifunctional Pipe Negative Pressure Needle Type Seeding Tool

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Ju Tianyi has applied Chinese patent for Multifunctional Pipe Negative Pressure Needle Type Seeding Tool. Ju Tianyi and Yang Ronglian developed it. The patent application number is CN202510796735 20250613. The patent publication number is CN120345473 (A). International Patent Classification codes are A01C7..

State Intellectual Property Office of China Receives Dengzhou Power Supply Company Of State Grid Henan Electric Power Company Patent Application for Guiding Wiring Laying Device fo..

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has received Dengzhou Power Supply Company Of State Grid Henan Electric Power Company patent application for Guiding Wiring Laying Device for Urban Tunnel Electric Power Pipeline. Wang Zhuo, Wang Yufei and Zheng Xiuyong developed the invention. The patent applica..

Anhui Qixiang New Energy Tech Co Ltd Applies for Patent on Liquid Cooling Pipeline Temperature Control System Based on Liquid Flow Regulation

Pipe

| Thu 29 Jan 2026

Beijing, Jan. 29 -- Anhui Qixiang New Energy Tech Co Ltd has applied Chinese patent for Liquid Cooling Pipeline Temperature Control System Based on Liquid Flow Regulation. Jiang Deqiang, Xiao Bole, Shao Yunlong and Xiao Yaqin developed it. The patent application number is CN202510484369 20250417. The patent publication number..

Shanghai Yichui Machinery Tech Co Ltd Submits Chinese Patent Application for Three-stage Portal Pipeline Arrangement of Free Lifting Forklift

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Shanghai Yichui Machinery Tech Co Ltd has submitted a patent application for Three-stage Portal Pipeline Arrangement of Free Lifting Forklift. This invention was developed by Dong Yunxia, Zhang Wenkui and Fan Wei. The patent application number is CN202510447576 20250410. The patent publication number is CN..

Yongkang Exquisite New Mat Co Ltd Seeks Patent for Aluminum Pipe Spinning Closing-up Device

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Yongkang Exquisite New Mat Co Ltd has sought patent for Aluminum Pipe Spinning Closing-up Device. This invention was developed by Li Zhiwei. The patent application number is CN202510558477 20250429. The patent publication number is CN120347132 (A). International Patent Classification codes are B21D22/14, B..

Xinchang Sancai Machinery Co Ltd Submits Chinese Patent Application for Diameter Expanding Treatment Device for Stainless Steel Reducer Pipe Manufacturing and Diameter Expanding Me..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Xinchang Sancai Machinery Co Ltd has submitted a patent application for Diameter Expanding Treatment Device for Stainless Steel Reducer Pipe Manufacturing and Diameter Expanding Method. This invention was developed by Zhang Yu, Zhang Jiaren and Wu Binhao. The patent application number is CN202510778643 202..

Heshan Fuyue New Material Tech Co Ltd Submits Chinese Patent Application for Inner Flanging Forming Device for Two-way Hole of Pipe Fitting and Operation Method of Inner Flanging F..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Heshan Fuyue New Material Tech Co Ltd has submitted a patent application for Inner Flanging Forming Device for Two-way Hole of Pipe Fitting and Operation Method of Inner Flanging Forming Device. This invention was developed by Lei Shijun, Chen Jianfeng, Liu Qiheng and Tian Changjun. The patent application ..

State Intellectual Property Office of China Publishes Zhangjiagang Qiaosheng Prec Machinery Manufacturing Co Ltd Patent Application for Three-station Special-shaped Pipe Bending Ma..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has published Zhangjiagang Qiaosheng Prec Machinery Manufacturing Co Ltd patent application for Three-station Special-shaped Pipe Bending Machine. The invention was developed by Tao Dengfeng and Bao Yongjian. The patent application number is CN202510867280 202506..

State Intellectual Property Office of China Releases Ali Tech Service Shenzhen Co Ltd Patent Application for Welded Pipe Production Process Based on Weld Joint Nondestructive Testi..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has released Ali Tech Service Shenzhen Co Ltd patent application for Welded Pipe Production Process Based on Weld Joint Nondestructive Testing. This invention was developed by Jin Xueqi and Geng Binbin. The patent application number is CN202510775229 20250611. Th..

State Intellectual Property Office of China Receives Beijing Zhida Jietong Tech Co Ltd Patent Application for Internal Spiral Intelligent Continuous Pipe Manufacturing Device and M..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has received Beijing Zhida Jietong Tech Co Ltd patent application for Internal Spiral Intelligent Continuous Pipe Manufacturing Device and Manufacturing Method Thereof. Li Chun, Yu Gang, Tan Runhua, Tan Cong and Qiao Yan developed the invention. The patent applic..

State Intellectual Property Office of China Receives Hengyang Jinhua High Pressure Container Co Ltd Patent Application for Steel Pipe Clamping Jaw Mechanism of Cold-drawing Machine

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has received Hengyang Jinhua High Pressure Container Co Ltd patent application for Steel Pipe Clamping Jaw Mechanism of Cold-drawing Machine. Yu Zhuo developed the invention. The patent application number is CN202510550510 20250429. The patent publication number ..

Huda Yuegang Aodawan Area Innovation Res Institute Guangzhou Zengcheng Seeks Patent for Pipe Network Leakage Real-time Detection Method and System Based on Edge-cloud Cooperative M..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Huda Yuegang Aodawan Area Innovation Res Institute Guangzhou Zengcheng has sought patent for Pipe Network Leakage Real-time Detection Method and System Based on Edge-cloud Cooperative Multi-mode Learning. This invention was developed by Zhou Shiqing, Huang Yuanxi, Xie Kunting, Bu Lingjun, Li Tianbing, Xu Shir..

State Intellectual Property Office of China Receives Jiangsu Jiarun Sprinkler Equipment Co Ltd Patent Application for Pipe Winding Device of Sprinkling Machine

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has received Jiangsu Jiarun Sprinkler Equipment Co Ltd patent application for Pipe Winding Device of Sprinkling Machine. Zhang Li, Zhang Hanwen and Han Kunlun developed the invention. The patent application number is CN202510548540 20250428. The patent publicatio..

Huangshan Huaneng Petrochemical Machinery Co Ltd Files Chinese Patent Application for Turnover Gripper Mechanism of Pipe Rod Conveying Equipment

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Huangshan Huaneng Petrochemical Machinery Co Ltd has filed a patent application for Turnover Gripper Mechanism of Pipe Rod Conveying Equipment. This invention was developed by Li Yang, Ma Hongtao, Han Liheng, Chen Yingda, Shi Jinshe, Tian Chuanbo, Chen Hongbo and Zhang Xiaodong. The patent application numb..

State Intellectual Property Office of China Releases Jiangsu Hongfa Eng Nylon Co Patent Application for Suspension Traction Conveying Device for Steel Skeleton Reinforced Nylon Pip..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has released Jiangsu Hongfa Eng Nylon Co patent application for Suspension Traction Conveying Device for Steel Skeleton Reinforced Nylon Pipeline. This invention was developed by Li Jinbiao. The patent application number is CN202510839929 20250623. The patent pub..

State Intellectual Property Office of China Releases Zyfire Hose Corp Patent Application for High-performance Composite Hose Measuring Device for Ocean Engineering

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has released Zyfire Hose Corp patent application for High-performance Composite Hose Measuring Device for Ocean Engineering. This invention was developed by Huang Yuzhong, Zhang Xiaohong, Chen Jun, Zhang Yongcheng, Bian Dongming, Chen Yiyi, Zhou Ming and Li Wenxiang..

Sunway Hydraulic Ind Wuhu Co Ltd Applies for Patent on Air Tightness Testing Equipment for Hydraulic Pipeline Assembly and Operation Method of Air Tightness Testing Equipment

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Sunway Hydraulic Ind Wuhu Co Ltd has applied Chinese patent for Air Tightness Testing Equipment for Hydraulic Pipeline Assembly and Operation Method of Air Tightness Testing Equipment. Yu Linsong, Su Shunfa, Liu Aizhi and Zhang Kechao developed it. The patent application number is CN202510676478 20250525. ..

State Intellectual Property Office of China Releases Nantong Xinhe Pipe Industry Tech Co Ltd Patent Application for Appearance Defect Detection Device for Welding Position of Pipel..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has released Nantong Xinhe Pipe Industry Tech Co Ltd patent application for Appearance Defect Detection Device for Welding Position of Pipeline Elbow. This invention was developed by Li Xiaoqiang, Hua Junping, Qiu Yanyan and Shen Yong. The patent application numb..

State Intellectual Property Office of China Publishes Huanan Pump Ind Co Ltd Patent Application for Centrifugal Casting Corrosion-resistant Concrete Pipeline and Preparation Method..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has published Huanan Pump Ind Co Ltd patent application for Centrifugal Casting Corrosion-resistant Concrete Pipeline and Preparation Method Thereof. The invention was developed by Lai Huahuang, Mei Yuren and Cui Huamin. The patent application number is CN2025108..

State Intellectual Property Office of China Publishes Tianjin Derun Shucheng Steel Pipe Co Ltd Patent Application for Automatic Stainless Steel Pipe Production Device

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has published Tianjin Derun Shucheng Steel Pipe Co Ltd patent application for Automatic Stainless Steel Pipe Production Device. The invention was developed by Yu Jiabin. The patent application number is CN202510500380 20250421. The patent publication number is CN..

Jiangsu Bingdun Police Equipment Mfg Co Ltd Submits Chinese Patent Application for Pipe Fitting Cutting Device for Police Restraint Bed Manufacturing

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Jiangsu Bingdun Police Equipment Mfg Co Ltd has submitted a patent application for Pipe Fitting Cutting Device for Police Restraint Bed Manufacturing. This invention was developed by Liu Qiaoling and Xu Yan. The patent application number is CN202510803916 20250617. The patent publication number is CN120347..

State Intellectual Property Office of China Releases Jinhua Power Trans and Distribution Engineering Co Ltd and State Grid Zhejiang Electric Power Co Jinhua Power Supply Co Patent ..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has released Jinhua Power Trans and Distribution Engineering Co Ltd and State Grid Zhejiang Electric Power Co Jinhua Power Supply Co patent application for Climbing Robot for Power Transmission Line Steel Pipe Tower and Operation Method of Climbing Robot. This inven..

Tianjin Haoyu Cosmetic Appliance Co Ltd Submits Chinese Patent Application for Cutting Device for Brush Pipe

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Tianjin Haoyu Cosmetic Appliance Co Ltd has submitted a patent application for Cutting Device for Brush Pipe. This invention was developed by Wang Lei. The patent application number is CN202510293151 20250313. The patent publication number is CN120347271 (A). International Patent Classification codes are B..

State Intellectual Property Office of China Receives Hbei Starshining Advanced Mat Co Ltd Patent Application for Transverse Deep Hole Drilling Machine and Metal Pipe Production Lin..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has received Hbei Starshining Advanced Mat Co Ltd patent application for Transverse Deep Hole Drilling Machine and Metal Pipe Production Line. Zhong Ming, Li Yuelei, Lyu Sijian and Liu Tingting developed the invention. The patent application number is CN202510620..

Shandong Feichi Muffler Co Ltd Submits Patent Application for Drilling Device for Exhaust Pipe Two-hole Plane Flange Production

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Shandong Feichi Muffler Co Ltd has submitted a patent application for Drilling Device for Exhaust Pipe Two-hole Plane Flange Production. Li Jibin developed the invention. The patent application number is CN202510851629 20250624. The patent publication number is CN120347243 (A). International Patent Classif..

Xinghua Xinrun Greenhouse Equipment Fittings Co Ltd Submits Chinese Patent Application for Drilling Device and Method for Greenhouse Steel Pipe Production

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Xinghua Xinrun Greenhouse Equipment Fittings Co Ltd has submitted a patent application for Drilling Device and Method for Greenhouse Steel Pipe Production. This invention was developed by Zhao Min, Zhao Qingsheng, Zhong Xiaohong, Lyu Wenmei and Di Huang. The patent application number is CN202510525299 2025..

State Intellectual Property Office of China Releases No. 719 Res Institute China State Shipbuilding Co Ltd Patent Application for Preparation Method of Ship Pipeline Supporting Str..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has released No. 719 Res Institute China State Shipbuilding Co Ltd patent application for Preparation Method of Ship Pipeline Supporting Structure System and Related Equipment. This invention was developed by He Tao, Dai Lu, Liu Yong, Ma Can, Zheng Zhaoli, Wu Muyun,..

State Intellectual Property Office of China Receives Zhongshan Laitong Metal Tech Co Ltd Patent Application for Sintering Device for Capillary Structure of Copper Pipe

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has received Zhongshan Laitong Metal Tech Co Ltd patent application for Sintering Device for Capillary Structure of Copper Pipe. Lang Yanping developed the invention. The patent application number is CN202510460344 20250414. The patent publication number is CN120..

Jincheng Tianyi Casting Co Ltd Submits Patent Application for Novel Quantitative Pouring Device and Method for Reducing Pipe Weight Fluctuation

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Jincheng Tianyi Casting Co Ltd has submitted a patent application for Novel Quantitative Pouring Device and Method for Reducing Pipe Weight Fluctuation. Wang Erbing, Hui Guofang and Zou Liangyou developed the invention. The patent application number is CN202510863651 20250626. The patent publication number..

Ningbo Quanli Machinery Mold Co Ltd Submits Patent Application for Motor Shell Casting Equipment with Cooling Water Pipe and Casting Method of Motor Shell Casting Equipment

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Ningbo Quanli Machinery Mold Co Ltd has submitted a patent application for Motor Shell Casting Equipment with Cooling Water Pipe and Casting Method of Motor Shell Casting Equipment. Ye Min and Wang Qinglin developed the invention. The patent application number is CN202510865676 20250626. The patent publica..

Beijing Building Mat Testing Academy Co Ltd Submits Chinese Patent Application for Device and Method for Detecting Strength of Composite Ventilation Air Pipe

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Beijing Building Mat Testing Academy Co Ltd has submitted a patent application for Device and Method for Detecting Strength of Composite Ventilation Air Pipe. This invention was developed by Wei Chenchen, Liu Jianpeng, Wang Yongshuai, Qiu Xu, Wang Yusong, Shen Jianqiang, Shan Zhentao, Yuan Yanhong and Liu Pen..

Beijing Enfi Environmental Protection Tech Co Ltd Seeks Patent for Online Automatic Washing Equipment for Inclined Pipe of Sedimentation Tank

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Beijing Enfi Environmental Protection Tech Co Ltd has sought patent for Online Automatic Washing Equipment for Inclined Pipe of Sedimentation Tank. This invention was developed by Zhao Zhenyu, Niu Shidong, Gao Qi, Meng Xiangdong and Li Hongbo. The patent application number is CN202510335695 20250320. The p..

State Intellectual Property Office of China Receives Handan University and Wuan Feixiang Metal Products Co Ltd Patent Application for Port Supporting Type Pipeline Conveying Device

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has received Handan University and Wuan Feixiang Metal Products Co Ltd patent application for Port Supporting Type Pipeline Conveying Device. Gao Qiming, Wang Liqiang, Wang Rutian, Wang Xueqiang and Wang Xiaoxue developed the invention. The patent application num..

Jiangsu Canghuan Copper Products Co Ltd Seeks Patent for Automatic Blanking System for Copper Pipe Winding

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Jiangsu Canghuan Copper Products Co Ltd has sought patent for Automatic Blanking System for Copper Pipe Winding. This invention was developed by Wang Xiaolei, Zhang Peng, Wang Jianju, Gu Yudong and Zhang Xiaocun. The patent application number is CN202510710012 20250529. The patent publication number is CN1..

State Intellectual Property Office of China Receives Jilin Tech College Of Electronic Information Patent Application for Automatic Pipe and Box Sealing Machine for Nucleic Acid Det..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has received Jilin Tech College Of Electronic Information patent application for Automatic Pipe and Box Sealing Machine for Nucleic Acid Detection. Miao Ying, Shan Liqing, Ma Zhenzhuo, Li He, Bao Liming, Xin He, Lyu Guocheng and Ling Xiaofeng developed the invention..

State Intellectual Property Office of China Receives Hunan University of Science and Technology and Hunan Hang Yue Heavy Steel Steel Structure Eng Co Ltd Patent Application for Var..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has received Hunan University of Science and Technology and Hunan Hang Yue Heavy Steel Steel Structure Eng Co Ltd patent application for Variable-flow Continuous and Uniform Spraying Control Method for Inner Wall of Circular-truncated-cone-shaped Pipeline. Wang Zhin..

Ningbo Xingboyuan Intelligent Tech Co Ltd Submits Chinese Patent Application for Condenser Pipe Automatic Liquid Supply Device for Experiment

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Ningbo Xingboyuan Intelligent Tech Co Ltd has submitted a patent application for Condenser Pipe Automatic Liquid Supply Device for Experiment. This invention was developed by Dong Wei. The patent application number is CN202510679660 20250526. The patent publication number is CN120346856 (A). International ..

Sartorius Stedim FMT SAS Applies for Patent on Multi-path Extrusion Device for Selectively Extruding Flexible Pipeline

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Sartorius Stedim FMT SAS has applied Chinese patent for Multi-path Extrusion Device for Selectively Extruding Flexible Pipeline. Desai Mario and Verschaar Stefaan developed it. The patent application number is CN20238085021 20231208. The patent publication number is CN120344291 (A). International Patent Cl..

Jiangsu Tonghui Pipe Industry Files Chinese Patent Application for PE Pipe Production Waste Recovery Device

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Jiangsu Tonghui Pipe Industry has filed a patent application for PE Pipe Production Waste Recovery Device. This invention was developed by Jun Tani. The patent application number is CN202510593343 20250509. The patent publication number is CN120347913 (A). International Patent Classification code is B29B17..

Liu Fenkai Submits Chinese Patent Application for Pipe Cutting Device for PVC Pipe Production

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Liu Fenkai has submitted a patent application for Pipe Cutting Device for PVC Pipe Production. The patent application number is CN202510735203 20250604. The patent publication number is CN120347835 (A). International Patent Classification codes are B26D1/60, B26D3/16, B26D7/00, B26D7/02, B26D7/06 and B26..

Fuzhou Urban Construction Shuzhi Tech Co Ltd Submits Chinese Patent Application for Water Supply Pipe Network Equipment Management System Based on Digital Twinning

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Fuzhou Urban Construction Shuzhi Tech Co Ltd has submitted a patent application for Water Supply Pipe Network Equipment Management System Based on Digital Twinning. This invention was developed by Duan Dongbin, Wei Wenfei, Liu Mingyu, Zhuo Honghui and Li Junde. The patent application number is CN2025108457..

State Intellectual Property Office of China Publishes Zhuhai Dahengqin Urban Comprehensive Pipe Gallery Operation Man Co Ltd Patent Application for Pipe Gallery Control Method and ..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has published Zhuhai Dahengqin Urban Comprehensive Pipe Gallery Operation Man Co Ltd patent application for Pipe Gallery Control Method and Device Based on Pipe Gallery Sensing Network and Storage Medium. The invention was developed by Zhang Fan, Zhao Lantao, Tao Hu..

Kuaide Jiangsu Automation Tech Co Ltd Seeks Patent for Fiber Laser Pipe Cutting Machine and Operation Method

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Kuaide Jiangsu Automation Tech Co Ltd has sought patent for Fiber Laser Pipe Cutting Machine and Operation Method. This invention was developed by Zhang Anping. The patent application number is CN202510781131 20250612. The patent publication number is CN120347529 (A). International Patent Classification co..

State Intellectual Property Office of China Publishes Nanjing Suxia Design Group Co Ltd Patent Application for Steel Sleeve Welding Structure and Welding Method of Directly-buried ..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has published Nanjing Suxia Design Group Co Ltd patent application for Steel Sleeve Welding Structure and Welding Method of Directly-buried Steam Pipeline. The invention was developed by Wang Guoxing, Song Qianqian and Wang Zhiliang. The patent application number..

Xinghua Hairun Cast Steel Co Ltd Files Chinese Patent Application for Copper Pipe Welding Device and Method

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Xinghua Hairun Cast Steel Co Ltd has filed a patent application for Copper Pipe Welding Device and Method. This invention was developed by Deng Zhiyong, Deng Aimei, Wang Xiaoliang and Deng Zhizhen. The patent application number is CN202510526086 20250425. The patent publication number is CN120347470 (A). I..

State Intellectual Property Office of China Releases Univ Shenzhen Polytechnic Patent Application for Industrial Pipeline Material Parameter Detection Method and System Based on Mu..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has released Univ Shenzhen Polytechnic patent application for Industrial Pipeline Material Parameter Detection Method and System Based on Multi-zone Cooperation. This invention was developed by Liu Wenkang, Xie Sen, Zhou Hongbo, Wen Jiaying, Lin Jiahao, Huang Xuan, ..

Chongqing Institute Of Surveying and Mapping Science and Tech Seeks Patent for Method and Device for Pipeline Data Integrity Detection and Electronic Equipment

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Chongqing Institute Of Surveying and Mapping Science and Tech has sought patent for Method and Device for Pipeline Data Integrity Detection and Electronic Equipment. This invention was developed by He Xingfu, Zhang Yi, Chen Liangchao, Hu Bo, Xue Mei, Zhu Lili, Wang You, Song Huilong, Chen Qirui, Yang Yuanming..

State Intellectual Property Office of China Receives Qinghai Traffic Construction Management and Chongqing University Patent Application for Simulation Device and Method for Pipeli..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has received Qinghai Traffic Construction Management and Chongqing University patent application for Simulation Device and Method for Pipeline Leakage Considering Variability of Sand Foundation. Li Rong, Zheng Lili, Han Hailong, Xiong Hongling and Tang Hongyu develo..

State Intellectual Property Office of China Publishes Sichuan Minhe Pipeline Construction Eng Co Ltd Patent Application for Three-way Pipe Joint Production Device

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has published Sichuan Minhe Pipeline Construction Eng Co Ltd patent application for Three-way Pipe Joint Production Device. The invention was developed by Wang Yueqiang and Xiao Jixiong. The patent application number is CN202510840763 20250623. The patent publica..

Jiangsu Jiuri Machine Tool Tech Co Ltd Applies for Patent on Low-noise High-heat-dissipation Large-diameter Steel Pipe Seam Welding Machine and Using Method Thereof

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Jiangsu Jiuri Machine Tool Tech Co Ltd has applied Chinese patent for Low-noise High-heat-dissipation Large-diameter Steel Pipe Seam Welding Machine and Using Method Thereof. Yu Shengping and Zhong Bo developed it. The patent application number is CN202510666674 20250522. The patent publication number is C..

China Nuclear Tianjin Machine Co Ltd Submits Patent Application for Feeding and Pretreatment Device of Special-shaped Pipe Fitting Welding Automatic Production Line

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- China Nuclear Tianjin Machine Co Ltd has submitted a patent application for Feeding and Pretreatment Device of Special-shaped Pipe Fitting Welding Automatic Production Line. Wang Yu, Yu Jinbo, Ma Zhanyu, Li Feng, Jia Xiuyun, Wang Baoping, Zhu Yabin, Mi Shaojie, Yang Honglei, Li Longbin, Duan Yiming and Sun Le..

State Intellectual Property Office of China Releases Changzhou Songying Tech Co Ltd Patent Application for Steel Pipe Laser Cutting Device

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has released Changzhou Songying Tech Co Ltd patent application for Steel Pipe Laser Cutting Device. This invention was developed by Hu Yingjiang. The patent application number is CN202510794979 20250614. The patent publication number is CN120347403 (A). Internati..

Chengdu Dongxin Yisheng Metal Products Co Ltd Applies for Patent on Laser Cutting Device for Metal U-shaped Pipe

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Chengdu Dongxin Yisheng Metal Products Co Ltd has applied Chinese patent for Laser Cutting Device for Metal U-shaped Pipe. Yang Chenlong, Wu Qingji, Li Lianzhuang and Yang Chenhui developed it. The patent application number is CN202510660312 20250522. The patent publication number is CN120347396 (A). Inter..

State Intellectual Property Office of China Publishes Shanghai Sheci Flaw Detector Mfg Co Ltd Patent Application for Large-diameter Welded Pipe End Inner and Outer Wall Long-distan..

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has published Shanghai Sheci Flaw Detector Mfg Co Ltd patent application for Large-diameter Welded Pipe End Inner and Outer Wall Long-distance and Groove Flaw Detection Equipment and Method. The invention was developed by Chen Yuede and Chen Lixiang. The patent a..

Xinghua Hairun Cast Steel Co Ltd Seeks Patent for Three-way Pipe Fitting Clamping and Welding Equipment

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Xinghua Hairun Cast Steel Co Ltd has sought patent for Three-way Pipe Fitting Clamping and Welding Equipment. This invention was developed by Deng Zhiyong, Deng Aimei, Wang Xiaoliang, Deng Zhizhen, Zhong Kaiyin, Fang Dingbang, Yin Xiaobo, Xu Li and Wang Chuncai. The patent application number is CN202510718..

State Intellectual Property Office of China Receives Liu Xuming Patent Application for Novel Pipeline Welding Equipment

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- State Intellectual Property Office of China has received Liu Xuming patent application for Novel Pipeline Welding Equipment. Liu Xuming developed the invention. The patent application number is CN202410301597 20240316. The patent publication number is CN120347365 (A). International Patent Classification co..

Hebei Zhengyuan Pipeline Tech Co Ltd Files Chinese Patent Application for Spiral Steel Pipe Forming Machine and Forming Method Thereof

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Hebei Zhengyuan Pipeline Tech Co Ltd has filed a patent application for Spiral Steel Pipe Forming Machine and Forming Method Thereof. This invention was developed by Liu Yuntao. The patent application number is CN202510585704 20250508. The patent publication number is CN120347340 (A). International Patent ..

Wu Zhiguang Submits Chinese Patent Application for Internal and External Integrated Polishing Grinding Wheel for Austenitic Stainless Steel Seamless Steel Pipe

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Wu Zhiguang has submitted a patent application for Internal and External Integrated Polishing Grinding Wheel for Austenitic Stainless Steel Seamless Steel Pipe. The patent application number is CN202510657284 20250521. The patent publication number is CN120347666 (A). International Patent Classification c..

Hebei Xinuo Pipe Industry Tech Co Ltd Seeks Patent for Grinding Device and Method for Polyethylene Pipe Production

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Hebei Xinuo Pipe Industry Tech Co Ltd has sought patent for Grinding Device and Method for Polyethylene Pipe Production. This invention was developed by Xu Litao, Wang Xiaoyang and Deng Dianguang. The patent application number is CN202510602169 20250512. The patent publication number is CN120347651 (A). In..

Jiangsu Anxin Environmental Protection Tech Co Ltd Seeks Patent for Casting Post-processing Equipment for Rubber Lining Pipeline

Pipe

| Wed 28 Jan 2026

Beijing, Jan. 29 -- Jiangsu Anxin Environmental Protection Tech Co Ltd has sought patent for Casting Post-processing Equipment for Rubber Lining Pipeline. This invention was developed by Cai Feng, Wu Min and Cai Jihai. The patent application number is CN202510817010 20250618. The patent publication number is CN120347643 (A). ..

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