Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11624244 | Connecting structure for drill collar of logging while drilling instrument and drill collar sub male and female joints | Yongren Feng, Zhongli Bao, Qiang Yu, Xiaofei Qin, Xingfang Wu +2 more | 2023-04-11 |