Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10150659 | Direct drive drawworks with bearingless motor | Beat Kuttel, Kevin R. Williams, Brian Ellis | 2018-12-11 |
| 9903168 | Tubular handling methods | Brian Ellis, Craig C. Weems, Beat Kuttel | 2018-02-27 |