| 10683868 |
Bushing anti-rotation system and apparatus |
Wesley John Nowitzki, Joshua Wayne Webster, Randy S. Roberts, Joseph Dean Butler, Thomas John Gottschalk |
2020-06-16 |
| 10473106 |
Apparatus and system for sealing submersible pump assemblies |
Larry J. Parmeter, Brett D. Leamy, David Lunk, Keith Leon Johnson, Thomas John Gottschalk +1 more |
2019-11-12 |
| 10374542 |
Electric submersible pump variable speed drive controller |
Tom G. Yohanan, Ryan Bridwell Ashbaugh |
2019-08-06 |
| 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 |
| 9998054 |
Electric submersible pump variable speed drive controller |
Tom G. Yohanan, Ryan Bridwell Ashbaugh |
2018-06-12 |
| 9932806 |
Apparatus, system and method for reducing gas to liquid ratios in submersible pump applications |
Joseph Stewart, Wesley John Nowitzki |
2018-04-03 |
| 9829001 |
Electric submersible pump assembly bearing |
Shiv Jayaram, Thomas John Gottschalk, Wesley John Nowitzki |
2017-11-28 |
| 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 |
| 9531230 |
Motor bearing for electric submersible motors |
Larry J. Parmeter, Brett D. Leamy, Randy S. Roberts, Gregory Austin Davis |
2016-12-27 |
| 9325216 |
Motor bearing for electric submersible motors |
Larry J. Parmeter, Brett D. Leamy, Randy S. Roberts, Gregory Austin Davis |
2016-04-26 |
| 9200642 |
Abrasive handling submersible pump assembly diffuser |
Wesley John Nowitzki, Gregory Austin Davis, Steven Andrew Lovell |
2015-12-01 |
| 9169848 |
Apparatus and system for sealing submersible pump assemblies |
Larry J. Parmeter, Brett D. Leamy, David Lunk, Keith Leon Johnson, Thomas John Gottschalk |
2015-10-27 |
| 9046354 |
Apparatus, system and method for measuring straightness of components of rotating assemblies |
Thomas John Gottschalk |
2015-06-02 |
| 9039356 |
Abrasive handling submersible pump assembly diffuser |
Wesley John Nowitzki, Gregory Austin Davis, Steven Andrew Lovell |
2015-05-26 |
| 9017043 |
Apparatus and system for sealing submersible pump assemblies |
Larry J. Parmeter, Brett D. Leamy, David Lunk, Keith Leon Johnson, Thomas John Gottschalk |
2015-04-28 |
| 5996713 |
Rolling cutter bit with improved rotational stabilization |
Rudolf Carl Pessier, Matthew R. Isbell, Mohammad Swadi, Danny E. Scott |
1999-12-07 |