Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11136836 | High trip rate drilling rig | Joe Rodney Berry, Melvin Alan Orr, Mark W. Trevithick | 2021-10-05 | $75,849,000 |
| 11118414 | Tubular delivery arm for a drilling rig | Melvin Alan Orr, Mark W. Trevithick, Joe Rodney Berry | 2021-09-14 | $55,347,000 |
| 11060361 | Retractable top drive with torque tube | Joe Rodney Berry, Melvin Alan Orr | 2021-07-13 | $75,612,000 |
| 10927603 | High trip rate drilling rig | Joe Rodney Berry, Melvin Alan Orr, Mark W. Trevithick | 2021-02-23 | $117,569,000 |