Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11441445 | Pneumatic device | Yanfu Li, Tao Xu | 2022-09-13 |
| 11274553 | Pneumatic engine | Yanfu Li, Jinghua ZENG, Zhimin Chen, Kaixin Jin, Tao Xu +2 more | 2022-03-15 |
| 10704594 | Rolling deep groove ball bearing | Yanfu Li, Tao Xu | 2020-07-07 |