Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11703401 | Measuring device and measuring method for measuring unbalanced moment of bottom surface of circular valve core | Jinyuan Qian, Juan MU, Zhijiang JIN | 2023-07-18 |
| 11353138 | Piston valve core structure with rigid ring surface combined with flexible base surface and method thereof | Jinyuan Qian, Juan MU, Zhijiang JIN | 2022-06-07 |