Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7628209 | Tubing driven progressing cavity pump and method of pumping well fluid from a well | Douglas W. Berry, Kelley L. Phillips | 2009-12-08 |
| 7543633 | Floating shaft gas separator | Donn J. Brown, Brown Lyle Wilson, Matthew R. Porter | 2009-06-09 |
| 7431095 | Non-tubing deployed well artificial lift system | David L. Olson, Doug Berry, Kelley L. Phillips | 2008-10-07 |
| 7201222 | Method and apparatus for aligning rotor in stator of a rod driven well pump | Edward C. Kanady | 2007-04-10 |
| 6868912 | Tension thrust ESPCP system | — | 2005-03-22 |
| 6705402 | Gas separating intake for progressing cavity pumps | — | 2004-03-16 |