Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11193354 | Motors for downhole tools devices and related methods | Alexey Tyshko, V. Lavrinenko | 2021-12-07 |
| 11105155 | Rotary steerable drilling system and method with imbalanced force control | Zhiguo Ren, Xu Fu, Chengbao Wang | 2021-08-31 |
| 11028646 | Hybrid rotary steerable system and method | Zhiguo Ren, Xu Fu, Chengbao Wang | 2021-06-08 |
| 10995554 | Auto-adjustable directional drilling apparatus and method | Zhiguo Ren, Xu Fu, Chengbao Wang | 2021-05-04 |