Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4546836 | Downhole motor fluid flow restrictor | James G. Dennis, Kenneth W. Bramlett | 1985-10-15 |
| 4501454 | Method of distributing load among stacked bearings | James G. Dennis, Kenneth W. Bramlett | 1985-02-26 |
| 4391547 | Quick release downhole motor coupling | Kenneth W. Bramlett, James G. Dennis | 1983-07-05 |
| 4260031 | Solids diverter for a downhole drilling motor | — | 1981-04-07 |