Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |