Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11232161 | Methods and apparatuses for electronically stamping document | — | 2022-01-25 |
| 11079016 | Six-gear automatic transmission for automobile with brushless control-by-wire centrifugal ball arm engagement device | Chuanbo Ren, Zhuowen Zhao, Jiashan MI, Nana Lv, Zhengbin Guo +2 more | 2021-08-03 |
| 10830289 | Electromagnetic clutch of a brushless control-by-wire centrifugal ball arm engagement device | Chuanbo Ren, Zhengbin Guo, Pan Zhang, Chen Qi, Nana Lv | 2020-11-10 |
| 10774928 | Three-gear automatic transmission for electric vehicle with a brushless control-by-wire centrifugal ball arm engagement device | Jihua Wang, Jinju Shao, Chuanbo Ren, Pan Zhang | 2020-09-15 |