Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8040013 | Electric submersible pump (ESP) having a motor with mechanically locked stator laminations | — | 2011-10-18 |
| 7987913 | Electrical submersible pump with equally loaded thrust bearings and method of pumping subterranean fluid | Scott C. Strattan, David Chilcoat | 2011-08-02 |
| 7780424 | Self leveling dynamically stable radial bearing | Chad A. Craig | 2010-08-24 |
| 7708534 | Pressure equalizer in thrust chamber electrical submersible pump assembly having dual pressure barriers | Arturo Luis Poretti | 2010-05-04 |
| 7686074 | Apparatus and method for active circuit protection of downhole electrical submersible pump monitoring gauges | Robert H. McCoy, James E. Layton, Gordon Besser | 2010-03-30 |
| 7679242 | Shrink tube encapsulated magnet wire for electrical submersible motors | John M. Knapp | 2010-03-16 |
| 7665975 | Seal section oil seal for submersible pump assembly | Clarence F. Hall | 2010-02-23 |
| 7611339 | Tri-line power cable for electrical submersible pump | Steven K. Tetzlaff, Ed L. Doty, Rob A. Coyle, Thomson H. Wallace, Larry V. Dalrymple +1 more | 2009-11-03 |
| 7575458 | Hi-dielectric debris seal for a pothead interface | Brett D. Leamy, Steven K. Tetzlaff, Brad E. Yingst | 2009-08-18 |
| 7530391 | Seal section for electrical submersible pump | Clarence F. Hall, Brett D. Leamy | 2009-05-12 |
| 6780037 | Debris seal for electrical connectors of pump motors | Brett D. Leamy, Clarence F. Hall | 2004-08-24 |
| 6566774 | Vibration damping system for ESP motor | Dick L. Knox | 2003-05-20 |
| 6300699 | Motor compensating spring | — | 2001-10-09 |
| 5988996 | Electrical shaft grounding brush assembly and holder for a submersible pump motor | Earl B. Brookbank | 1999-11-23 |
| 5828149 | Lubricant inducer pump for electrical motor | Earl B. Brookbank | 1998-10-27 |
| 5404061 | Oil-filled motor protector | — | 1995-04-04 |