Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11214981 | Screw-driven control system | Xiang Shi, Hanqing Ge, Zhibing Gong, Songnan Xu | 2022-01-04 |
| 10711509 | Double sliding-plug door system | Xiang Shi, Hanqing Ge, Xudong Shi, Wenkai Zu | 2020-07-14 |