Issued Patents 2021
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11125059 | Downhole-type tool for artificial lift | Kuo-Chiang Chen, Patrick McMullen | 2021-09-21 |
| 11125234 | Reducing bearing load in a regenerative turbine pump | Justin Jongsik Oh, Patrick McMullen | 2021-09-21 |
| 10989027 | Artificial lift | Herman Artinian, Kuo-Chiang Chen, Patrick McMullen | 2021-04-27 |
| 10914149 | Artificial lift | Kuo-Chiang Chen, Patrick McMullen | 2021-02-09 |
| 10900285 | Lubricating downhole-type rotating machines | Patrick McMullen, Herman Artinian | 2021-01-26 |
| 10890056 | Downhole-type tool for artificial lift | Patrick McMullen | 2021-01-12 |