Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12424844 | Current-controlled circuit breaker for electrical submersible pump motor leads | Andras Bencze, Robert Charles De Long | 2025-09-23 |
| 12398631 | Current balancing for wellbore artificial lift device | Tom G. Yohanan, John Badawi | 2025-08-26 |
| 12341282 | Spring energized electrical connector | Philip Ekins, Michael Rimmer | 2025-06-24 |
| 12281654 | Permanent magnet motor | Jeffrey G. Frey, Robert Charles De Long, Dezhi Zheng | 2025-04-22 |
| 12140006 | Enhanced mechanical shaft seal protector for electrical submersible pumps | Andras Bencze | 2024-11-12 |
| 12129747 | Hybrid permanent magnet motor | Jeffrey G. Frey, Robert Charles De Long, Dezhi Zheng | 2024-10-29 |
| 12051953 | Form wound motor for electrical submersible pumps | Andras Bencze | 2024-07-30 |
| 11746630 | Deployment of a modular electrically driven pump in a well | Philip Head | 2023-09-05 |
| 11459869 | Shaft seal protector for electrical submersible pumps | Andras Bencze | 2022-10-04 |
| 10801313 | Motor and pump parts | Philip Head | 2020-10-13 |
| 10533381 | Wet connection system for downhole equipment | Philip Head | 2020-01-14 |
| 10523077 | Very high temperature electrical winding | Philip Head | 2019-12-31 |
| 10514033 | Submersible progressive cavity pump | Philip Head | 2019-12-24 |
| 10367400 | Line start permanent magnet motor using a hybrid rotor | Philip Head | 2019-07-30 |
| 10340779 | Line start permanent magnet motor using a modular rotor | Philip Head | 2019-07-02 |
| 10340777 | Line start permanent magnet motor | Philip Head | 2019-07-02 |
| 10199897 | Very high temperature stator construction | Philip Head | 2019-02-05 |
| 9869299 | Wind energy system and method for using same | Timothy Blake, George Harold Ryton, Nicholas James Hemingway | 2018-01-16 |
| 9261073 | Wind energy system and method for using same | Timothy Blake, George Harold Ryton, Nicholas James Hemingway | 2016-02-16 |
| 9217412 | Wind energy system and method for using same | Timothy Blake, George Harold Ryton, Nicholas James Hemingway | 2015-12-22 |
| 9054615 | Method and apparatus for control of a synchronous permanent magnet motor, particularly over a long cable in a well | Philip Head | 2015-06-09 |
| 7202637 | Distributed control method | Tim Green, Milan Prodanovic | 2007-04-10 |
| 6735945 | Electric turbocharging system | Justin Hall, Ross Waring | 2004-05-18 |
| 6181112 | Apparatus and method for limiting generator peak voltage | Thomas S. Latos | 2001-01-30 |
| 6091168 | Rotor for a dynamoelectric machine | David G. Halsey, Robert Grennan, William Greenlee, Dam C. Nguyen | 2000-07-18 |