Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10767427 | Control of managed pressure drilling | Ashley Bernard Johnson, Maurice Ringer, Michalis Frangos, Jakub Jerabek, Kjetil Havre +1 more | 2020-09-08 | $40,575,000 |
| 9598904 | Method for torque stabilization of a drilling system | Walter David Aldred, Ashley Bernard Johnson, Dean Gardner, Maurice Ringer | 2017-03-21 | $49,045,000 |