Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12002610 | Systems and methods for magnetizing permanent magnet rotors | Yong Li, Arslan Amjad, James Christopher Clingman, Randal Perisho | 2024-06-04 |
| 11773857 | Dual ESP with selectable pumps | Xiao Nan Lu, Joseph Robert McManus, Zheng John Ye, Risa Rutter | 2023-10-03 |
| 11649827 | Systems and methods for prevention of rotation in permanent magnet motors | Xiaonan Lu, Joseph Robert McManus, Sean A. Cain | 2023-05-16 |
| 11348716 | Systems and methods for magnetizing permanent magnet rotors | Yong Li, Arslan Amjad, James Christopher Clingman, Randal Perisho | 2022-05-31 |
| 8314583 | System, method and program product for cable loss compensation in an electrical submersible pump system | Tom G. Yohanan, Dick L. Knox, John M. Leuthen, Jim E. Layton | 2012-11-20 |
| 7658227 | System and method for sensing flow rate and specific gravity within a wellbore | Michael J. Fox, Ernesto Alejandro Vilcinskas | 2010-02-09 |
| 7635030 | Inverted electrical submersible pump completion to maintain fluid segregation and ensure motor cooling in dual-stream well | Jeffrey W. Knight, Ernesto Alejandro Vilcinskas | 2009-12-22 |
| 7487838 | Inverted electrical submersible pump completion to maintain fluid segregation and ensure motor cooling in dual-stream well | Jeffrey W. Knight | 2009-02-10 |
| 4797075 | Overspeed protective gear box for a well pump | Wallace L. Edwards, Joel Flynn Jones | 1989-01-10 |