Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6045334 | Valve disabler for use in high pressure pipe cleaning applications | Frank L. Amyotte | 2000-04-04 |
| 5934173 | Reciprocating plunger pump | Frank L. Amyotte | 1999-08-10 |
| 5911562 | High pressure fluid delivery system with automatic priming valve | Jeffrey M. Youngquist | 1999-06-15 |
| 5775880 | Valve disabler for use in high pressure pipe cleaning systems | David G. Vensland | 1998-07-07 |
| 5348454 | Liquid pump resilient inlet insert for pumping high solids content liquids | — | 1994-09-20 |
| 5320280 | Pneumatically controlled spraying system having a diaphragm-operated switch | Tommy L. Gray | 1994-06-14 |
| 5299741 | Texture spray gun bleed valve | — | 1994-04-05 |
| 5286931 | Gauge with indicator switch | Dennis J. Balogh | 1994-02-15 |
| 5228622 | Spraying system having pressure safety limits | Albert W. Lubenow | 1993-07-20 |
| D308920 | Pressure-fed trim paintbrush head | — | 1990-07-03 |
| D307830 | Pressure-fed paintbrush head | — | 1990-05-15 |
| 4790679 | Power paint brush with flow restrictor and removable brush head | — | 1988-12-13 |
| 4700741 | Ball check valve | — | 1987-10-20 |
| 4676685 | Power brush coating applicator | — | 1987-06-30 |