Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9920835 | Piston device and pressure regulator using same | Min Qiu, Xuan Yu | 2018-03-20 |
| 9903501 | Valve assembly | Yuxiong Huo, Xiaojuan Qin | 2018-02-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9920835 | Piston device and pressure regulator using same | Min Qiu, Xuan Yu | 2018-03-20 |
| 9903501 | Valve assembly | Yuxiong Huo, Xiaojuan Qin | 2018-02-27 |