Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844676 | Pipe ram annular adjustable restriction for managed pressure drilling with changeable rams | — | 2020-11-24 |
| 10590728 | Annular blowout preventer packer assembly | Raul Araujo | 2020-03-17 |