Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9379584 | Low inertia direct drive drawworks | Kevin R. Williams, James Garaghty, Brian Ellis | 2016-06-28 |
| 9379655 | Method of field weakening control of permanent magnet motor drivers | — | 2016-06-28 |