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Pipe
| Sat 31 Oct 2026
Beijing, Oct. 30 -- Foshan Rifeng Enterprise and Rifeng Enterprise (Tianjin) have sought patent for Pert Pipe and Preparation Method Thereof. This invention was developed by Chen Si, Cheng Xiaoxue, Zhong Ziqiang, Lyu Ailong and Ou Jiajie.
The patent application number is CN202610609658 20260506. The patent publication number ..
Pipe
| Sat 31 Oct 2026
Beijing, Oct. 30 -- Wuxi Yihua Tech Co Ltd and Huangshan Sanjia Yihua Prec Machine Co Ltd have submitted a patent application for Low-jamming and Low-damage Air Conditioner Heat Exchanger Fin Pipe Penetrating Device. This invention was developed by Wu Haijun, Fang Guannian, Chen Tao, Wu Jianfeng, Jin Tiejun, Wu Jianjun and Yang ..
Pipe
| Fri 30 Oct 2026
Beijing, Oct. 30 -- West East Transp Branch of National Petroleum and Natural Gas Pipeline Group and National Petroleum Pipeline Network Group have been awarded a patent for Water Network Area Gas Collecting Device. This invention was developed by Fu Shaoquan, Zhang Yuguang, Liu Zhe, Luo Yucheng, Lu Yucheng, Jiang Yuwen, Liu Yiw..