Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 12421801 | Drill bit for use with intensified fluid pressures | Gary R. Portwood, Luca Tedeschi, Alessandro Bertini, Johann Obermair, James L. Larsen +1 more | 2025-09-23 | |
| 12037850 | Drill bit for use with intensified fluid pressures | Gary R. Portwood, Luca Tedeschi, Alessandro Bertini, Johann Obermair, James L. Larsen +1 more | 2024-07-16 | $62,193,000 |
| 11566475 | Fixed cutter drill bit with high fluid pressures | Gary R. Portwood, Alessio Cechi, Alessandro Bertini | 2023-01-31 | $157,344,000 |
| 11512536 | Drill bit for use with intensified fluid pressures | Gary R. Portwood, Luca Tedeschi, Alessandro Bertini, Johann Obermair, James L. Larsen +1 more | 2022-11-29 | $114,906,000 |