Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7131330 | Submersible pump controller | — | 2006-11-07 |
| 6203281 | Submersible pump controller for differentiating fluids | — | 2001-03-20 |
| 4752188 | Oil Detection method and apparatus for a pump submerged in a transformer vault | — | 1988-06-21 |
| 4715785 | Oil detection apparatus for submersible pumps | — | 1987-12-29 |