Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11009135 | Four valve disc frictionless ball valve | Zhongshan Tian, Jun Yuan, Bo Wang, Changqun Yang, Yulong Feng +2 more | 2021-05-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11009135 | Four valve disc frictionless ball valve | Zhongshan Tian, Jun Yuan, Bo Wang, Changqun Yang, Yulong Feng +2 more | 2021-05-18 |