Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11131179 | Electric submersible pump gas separator | Donn J. Brown, Randy S. Roberts | 2021-09-28 |
| 10961829 | Fallback bearing protection system | Wesley John Nowitzki, Jason Hill | 2021-03-30 |
| 10927653 | Apparatus, system and method for flow rate harmonization in electric submersible pump gas separators | Donn J. Brown | 2021-02-23 |
| 10858925 | Crossover system and apparatus for an electric submersible gas separator | Donn J. Brown, Walter Dinkins, Jimmie Allen Buckallew | 2020-12-08 |
| 10794163 | Apparatus, system and method for flow rate harmonization in electric submersible pump gas separators | Donn J. Brown | 2020-10-06 |
| 10683868 | Bushing anti-rotation system and apparatus | Wesley John Nowitzki, Joshua Wayne Webster, Randy S. Roberts, Joseph Dean Butler, John Vanderstaay Kenner | 2020-06-16 |
| 10683876 | Fluid moving apparatus and system for an electric submersible gas separator | Donn J. Brown, Trevor Alan Kopecky | 2020-06-16 |
| 10513785 | Apparatus, system and method for treatment of an electric submersible pump power cable | Terry L. Glasscock, Peter J. Kneip, Brent Keith Kashwer | 2019-12-24 |
| 10473106 | Apparatus and system for sealing submersible pump assemblies | Larry J. Parmeter, Brett D. Leamy, John Vanderstaay Kenner, David Lunk, Keith Leon Johnson +1 more | 2019-11-12 |
| 10212861 | Variable frequency drive cabinet ventilation system, apparatus and method | Ryan Bridwell Ashbaugh, Tyler Clay Courtwright, Casey Laine Newport, David R. Manen | 2019-02-19 |
| 10161411 | Centrifugal pump sealing surfaces | Wesley John Nowitzki | 2018-12-25 |
| 10054123 | Torque transfer system for centrifugal pumps | Wesley John Nowitzki | 2018-08-21 |
| 10036398 | Apparatus and system for a thrust-absorbing horizontal surface pump assembly | Brent David St. John, Ryan Michael Nicholson, David Lunk, Larry J. Parmeter, Brett D. Leamy +2 more | 2018-07-31 |
| 9829001 | Electric submersible pump assembly bearing | Shiv Jayaram, Wesley John Nowitzki, John Vanderstaay Kenner | 2017-11-28 |
| 9638207 | Centrifugal pump for handling abrasive-laden fluid | Shiv Jayaram, Clint Franklin Hall, Wesley John Nowitzki | 2017-05-02 |
| 9534603 | Apparatus and system for a thrust-absorbing horizontal surface pump assembly | Brent David St. John, Ryan Michael Nicholson, David Lunk, Larry J. Parmeter, Brett D. Leamy +2 more | 2017-01-03 |
| 9169848 | Apparatus and system for sealing submersible pump assemblies | Larry J. Parmeter, Brett D. Leamy, John Vanderstaay Kenner, David Lunk, Keith Leon Johnson | 2015-10-27 |
| 9046354 | Apparatus, system and method for measuring straightness of components of rotating assemblies | John Vanderstaay Kenner | 2015-06-02 |
| 9017043 | Apparatus and system for sealing submersible pump assemblies | Larry J. Parmeter, Brett D. Leamy, John Vanderstaay Kenner, David Lunk, Keith Leon Johnson | 2015-04-28 |
| 6098728 | Rock bit nozzle arrangement | Jennifer Ann Wells, Wayne Lee Baker, Christopher S. Charles, James L. Duggan, Timothy K. Marvel +2 more | 2000-08-08 |