Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7644770 | Downhole gas compressor | John L. Bearden | 2010-01-12 |
| 7409997 | Electric submersible pump with specialized geometry for pumping viscous crude oil | Farral D. Gay, Mark James | 2008-08-12 |
| 7401655 | Downhole gas compressor | John L. Bearden | 2008-07-22 |
| 6854517 | Electric submersible pump with specialized geometry for pumping viscous crude oil | Farral D. Gay, Mark James | 2005-02-15 |
| 6691782 | Method and system for below motor well fluid separation and conditioning | — | 2004-02-17 |
| 4928771 | Cable suspended pumping system | — | 1990-05-29 |
| 4901070 | Pressure monitoring system with isolating means | — | 1990-02-13 |
| 4834174 | Completion system for downhole steam generator | — | 1989-05-30 |
| 4805698 | Packer cooling system for a downhole steam generator assembly | John L. Baugh, Frank Mooney | 1989-02-21 |
| 4749034 | Fluid mixing apparatus for submersible pumps | Lawrence E. Doty | 1988-06-07 |
| 4741208 | Pump differential pressure monitor system | — | 1988-05-03 |
| 4678399 | Resistant components for submersible pump stages | John L. Bearden, William F. Pranger, Harold L. Miller | 1987-07-07 |
| 4678404 | Low volume variable rpm submersible well pump | Jerzy A. Lorett | 1987-07-07 |
| 4521708 | Motor bearing with locking pins | — | 1985-06-04 |
| 4426124 | Feed through mandrel for submersible pump | — | 1984-01-17 |
| 4330740 | Energizing circuit for providing low voltage starting for submersible pump motor | Lewis R. Shell | 1982-05-18 |
| 4284841 | Cable | Donatas Tijunelis, Clinton Boyd | 1981-08-18 |
| 4211625 | Impressed current cathodic protection system for submersible downhole pumping assembly | Larry E. Hocutt | 1980-07-08 |