Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10814260 | Gas-powder separation three-phase jet flow fire monitor system | Xiumei Liu, Jingjing Wang, Ruirui Li, Yaoda Yue, Jie He +1 more | 2020-10-27 |
| 10663982 | Double-spring and high-precision hysteretic pressure control valve | Xiumei Liu, Ruirui Li, Jie He | 2020-05-26 |