Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12013051 | Pump, multi-function valve, and controller apparatus | Douglas J. Blew | 2024-06-18 |
| 11795935 | Well pump with float controlled check valves | Douglas J. Blew | 2023-10-24 |
| 11629795 | Pump, multi-function valve, and controller apparatus | Douglas J. Blew | 2023-04-18 |
| 11103904 | Well head cover and assembly | Brent Devinney, Jeff Perry | 2021-08-31 |