Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404762 | Drilling system | Riadh Boualleg, Geoffrey C. Downton, Jean-Marie Degrange, Maja Ignova, Ling Li +5 more | 2025-09-02 |
| 12326044 | Erosion resistant insert for drill bits | Youhe Zhang, Huimin Song | 2025-06-10 |