Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11629720 | Thrust box and skid for a horizontally mounted submersible pump | James F. Gardner | 2023-04-18 |
| 10125759 | Flexible hose for bellows pressure equalizer of electrical submersible well pump | Steven W. Pyron, Kelsey A. McKinney, Robert Clay Patterson | 2018-11-13 |
| 9777560 | Auxiliary face seal for submersible well pump seal section | Steven K. Tetzlaff, Lance T. Robinson, Daniel Shaffer | 2017-10-03 |
| 9726166 | Magnetic rotational to linear actuator for well pumps | Steven K. Tetzlaff, Peter F. Lawson, Lance T. Robinson, Sean A. Cain | 2017-08-08 |
| 9366120 | Bladder stress reducer cap | Dan A. Merrill, Kelsey A. McKinney, Steven W. Pyron, Jimmy J. Donnell | 2016-06-14 |
| 9334865 | Self-aligning and vibration damping bearings in a submersible well pump | Nicholas D. Johnson, Arturo Luis Poretti | 2016-05-10 |
| 8397822 | Multiphase conductor shoe for use with electrical submersible pump | Steven K. Tetzlaff, Joseph Scott Thompson | 2013-03-19 |
| 8328529 | System, method and apparatus for electrical submersible pump assembly with pump discharge head having an integrally formed discharge pressure port | Joseph Scott Thompson, Robert H. McCoy, Gordon Besser, Dick L. Knox, Joo Tim Ong +2 more | 2012-12-11 |
| 8221092 | Downhole electrical submersible pump seal | David Chilcoat, Larry J. Parmeter, Dan A. Merrill | 2012-07-17 |
| 7841395 | Electric submersible pump (ESP) with recirculation capability | Farral D. Gay | 2010-11-30 |