Issued Patents 2021
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11136836 | High trip rate drilling rig | Robert Metz, Melvin Alan Orr, Mark W. Trevithick | 2021-10-05 |
| 11118414 | Tubular delivery arm for a drilling rig | Melvin Alan Orr, Mark W. Trevithick, Robert Metz | 2021-09-14 |
| 11060361 | Retractable top drive with torque tube | Robert Metz, Melvin Alan Orr | 2021-07-13 |
| 11060535 | Thread compensator | — | 2021-07-13 |
| 10927603 | High trip rate drilling rig | Robert Metz, Melvin Alan Orr, Mark W. Trevithick | 2021-02-23 |