Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11125059 | Downhole-type tool for artificial lift | David Biddick, Patrick McMullen | 2021-09-21 |
| 10989027 | Artificial lift | Herman Artinian, Patrick McMullen, David Biddick | 2021-04-27 |
| 10941632 | Autonomous annular pressure control assembly for perforation event | Richard Ellis Robey, James M. Barker | 2021-03-09 |
| 10914149 | Artificial lift | David Biddick, Patrick McMullen | 2021-02-09 |