Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10626678 | Reaming device connecting to downhole motor with paralleled driving structure | Yongqi Yin, Lijiang Liu, Yinghui Yao, Xiyuan WANG, Qin Wang | 2020-04-21 |
| 10465497 | Near-bit measurement while drilling system | Shaoqiu Shi, Bosheng Yang, Xiyuan WANG, Jin Hu, Lizhong Lu +1 more | 2019-11-05 |