Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8465000 | Electric motor actuated stop and self-closing check valve | Donald L. Bartell, JR., William J. Nicholl | 2013-06-18 |
| 8127787 | Siphon breaker | Grant A. Colton, Sr. | 2012-03-06 |
| 7249748 | Electric motor actuated stop and self-closing check valve | Donald L. Bartell, JR., William J. Nicholl | 2007-07-31 |
| 6929238 | Electric motor actuated stop and self-closing check valve | Donald L. Bartell, JR., William J. Nicholl | 2005-08-16 |
| 5401396 | Self-cleaning stationary basket strainer | Warren L. Huggins | 1995-03-28 |
| 5370791 | Backwashable self-cleaning strainer | Warren L. Huggins | 1994-12-06 |
| 5183568 | Self-cleaning strainer | — | 1993-02-02 |
| 4562858 | Programmable stepper for transducer controlled apparatus | Louis E. Salina | 1986-01-07 |
| 4442395 | Pump failure protection for liquid transmission pipelines | Louis E. Salina | 1984-04-10 |
| 4401412 | Heavy duty electric pump control unit | Louis E. Salina | 1983-08-30 |