Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11021144 | Slip detection and mitigation for an electric drive powertrain having a high ratio traction drive transmission | Jeffrey M. David | 2021-06-01 |
| 10995564 | System for handling tubulars on a rig | Frank Benjamin Springett | 2021-05-04 |