Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11050319 | ESP motor with stator core sections sealed to form a stator chamber | Yong Li, John M. Knapp | 2021-06-29 |
| 11050320 | Methods for constructing ESP motors with sealed stator windings and stator chamber | Yong Li, John M. Knapp | 2021-06-29 |
| 10541582 | ESP motor with sealed stator windings and stator chamber | Yong Li, John M. Knapp | 2020-01-21 |
| 10443317 | Electrical test splice for coiled tubing supported well pump | Kenneth O'Grady, John Mack, David R. Roy, Scott C. Strattan | 2019-10-15 |
| 8772997 | Electrical submersible pump system having high temperature slot, end bell and phase-to-phase insulation | Michael R. Rumbaugh, Jim F. Evenson, David G. Korte, David W. Livingston, Jeffrey G. Frey | 2014-07-08 |
| 8704416 | Electrical submersible pump system having improved magnet wire leads | Michael R. Rumbaugh, Jim F. Evenson, David G. Korte | 2014-04-22 |
| 8692115 | Electrical submersible pump system having high temperature insulation materials | Michael R. Rumbaugh, Jim F. Evenson, David G. Korte, David W. Livingston, Jeffrey G. Frey | 2014-04-08 |
| 8664817 | Electrical submersible pump system having high temperature insulation materials and buffered lubricant | Michael R. Rumbaugh, Jim F. Evenson, David G. Korte | 2014-03-04 |