Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10683934 | Rolling annular seal | — | 2020-06-16 |
| 10619442 | Blowout preventers with pressure-balanced operating shafts | — | 2020-04-14 |
| 10597966 | Blowout preventer apparatus and method | Oscar B. Jones | 2020-03-24 |