Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11603720 | Methods for tripping a drilling rig or a workover rig | Yan Lyu, Liangliang Liang, Aimin Tang, Zhenghua Wu | 2023-03-14 |
| 11286731 | Pipe racking system | Ying Li, Xiaohu Li, Lin Wang, Xiaowu OU, Aimin Tang +2 more | 2022-03-29 |