Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12085483 | Method and system of leak detecting for oil and gas pipeline based on excitation response | Cuiwei LIU, Zhongshan Tian, Yuxing Li, Wen-Chin Yang, Gang Liu +2 more | 2024-09-10 |
| 11009135 | Four valve disc frictionless ball valve | Zhongshan Tian, Jun Yuan, Bo Wang, Changqun Yang, Yulong Feng +2 more | 2021-05-18 |