Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11313480 | Valve mechanical linkage system | Fan Yang, Qingzhao Yang, Yingren Ding, Jingbo Han, Jin Guo +4 more | 2022-04-26 |
| 11131395 | Double-plate gate valve and use of the same | Fan Yang, Jinxian Liu, Yingren Ding, Jin Guo, Huan Yang +2 more | 2021-09-28 |