Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11480049 | Drilling mode sequence control | Rongbing Chen, Zhengxin Zhang, Yuelin Shen, Lucian Johnston | 2022-10-25 |
| 11242741 | Fatigue analysis procedure for drill string | Yani Dong, Geng Yun, Yuelin Shen, Sujian Huang | 2022-02-08 |