CL

Changwei Li

NC Nr Electric Co.: 1 patents #74 of 163Top 50%
NC Nr Engineering Co.: 1 patents #61 of 123Top 50%
Overall (All Time): #1,746,558 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11891892 Square pile construction method and equipment of a rotary drilling rig Biao Zheng, Jie Zheng 2024-02-06
10279686 Locomotive regenerative electric energy feedback system with ice melting function and control method Hao Yang, Yu Wang, Yeyuan Xie, Hongde Liu 2019-05-07