Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11802444 | Drill bit having a weight on bit reducing effect | Alfazazi Dourfaye | 2023-10-31 |
| 10378281 | Passively induced forced vibration rock drilling system | Olivier Ther, Kenyon Y. Ripple | 2019-08-13 |