Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11834928 | Drill string rotation controller for directional drilling | Jialin Tian, Haolin Song, Yinglin Yang, Yanniu Ren, Lin Yang +4 more | 2023-12-05 |
| 11828149 | Fracking tool with electromagnetic intelligent control sliding sleeve | Jialin Tian, Yu Wei, Lanhui Mao, Yanniu Ren, Chunyu Xing +2 more | 2023-11-28 |