Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10465450 | Electromagnetic coupler | Rachid Guelaz, Yvan Boudey, Francois Millet | 2019-11-05 |
| 9441418 | Drill stem component comprising a movable coupler and a pressure chamber | Beranger Mitjans, Pierre R. Mesnil | 2016-09-13 |