Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9410378 | Tricone rock bit for horizontal wells and hard formation wells | Bin Pu, Xiaobing Fan | 2016-08-09 |
| 9238944 | Tri-cone bit for high RPM drilling applications | Hongping Tian, Xiaobing Fan | 2016-01-19 |