Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4589492 | Subsea well submersible pump installation | Tom D. Greiner, Raymond L. Guzy | 1986-05-20 |
| 4492523 | Toroidal inductor for a pressure sensor in a submersible pump | — | 1985-01-08 |
| 4491778 | Motor variable frequency drive | John M. Leuthen, Kevin W. Lockyear | 1985-01-01 |
| 4477230 | Continuous pressure and temperature readout for submersible pumps | Steven D. Roberts | 1984-10-16 |