Issued Patents All Time
Showing 1–2 of 2 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, Qiang Yu, Xiaofei Qin, Lin-Chung Huang, Xingfang Wu +2 more | 2023-04-11 |
| 10180064 | System for sampling from formation while drilling | Yongren Feng, Qiang Yu, Guiqing Hao, Wanguang Song, Zichao Ii +1 more | 2019-01-15 |