Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291950 | Downhole lubrication system | David Biddick, Patrick McMullen, Herman Artinian | 2025-05-06 |
| 12146394 | Controlling downhole-type rotating machines | Kuo-Chiang Chen, Patrick McMullen | 2024-11-19 |
| 11859474 | Lubricating downhole rotating machine | David Biddick, Patrick McMullen, Herman Artinian | 2024-01-02 |
| 10612351 | Isolating a downhole-type electric machine | Patrick McMullen, David Biddick | 2020-04-07 |
| 10352137 | Removing liquid by subsurface compression system | Kuo-Chiang Chen, Herman Artinian, David Biddick, Lukasz Nader | 2019-07-16 |