Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11035198 | Multifunction blowout preventer | David McAdam, James Orr, Clark Weiss | 2021-06-15 |
| 10941628 | Adjustable blowout preventer and methods of use | David McAdam, James Orr | 2021-03-09 |
| 10920887 | Anti-extrusion seal arrangement and ram-style blowout preventer | David McAdam, James Orr | 2021-02-16 |
| 10900313 | Method and apparatus for production well pressure containment for blowout | David McAdam, James Orr | 2021-01-26 |