Issued Patents 2021
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11131143 | Downhole blower system with pin bearing | Venkateshwaran Krishnan, Larry Hawkins | 2021-09-28 |
| 11125059 | Downhole-type tool for artificial lift | David Biddick, Kuo-Chiang Chen | 2021-09-21 |
| 11125234 | Reducing bearing load in a regenerative turbine pump | David Biddick, Justin Jongsik Oh | 2021-09-21 |
| 11081918 | Electric machine having a rotor with retaining sleeve | Archie A. T. Andonian | 2021-08-03 |
| 11081919 | Electric machine with metallic shield rotor | Archie A. T. Andonian | 2021-08-03 |
| 10989027 | Artificial lift | Herman Artinian, Kuo-Chiang Chen, David Biddick | 2021-04-27 |
| 10914149 | Artificial lift | Kuo-Chiang Chen, David Biddick | 2021-02-09 |
| 10900285 | Lubricating downhole-type rotating machines | David Biddick, Herman Artinian | 2021-01-26 |
| 10890056 | Downhole-type tool for artificial lift | David Biddick | 2021-01-12 |