Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10851647 | Downhole vibration and impact data recording method | Zhongxing Wang, Yongyou Yang, Qingyun Di, Zili Wang, Wenxuan Chen +2 more | 2020-12-01 |
| 10837235 | Hybrid rotary guiding device | Qingbo Liu, Qingyun Di, Tsili Wang, Wenxuan Chen, Jiansheng Du +3 more | 2020-11-17 |
| 10815730 | Anti-rotating device of non-rotating sleeve and a rotary guiding device | Qingbo Liu, Qingyun Di, Tsili Wang, Wenxuan Chen, Jiansheng Du +3 more | 2020-10-27 |