Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7263978 | Dual pressure on demand automotive fuel pump | George York, Larry D. Carter | 2007-09-04 |
| 6837219 | Ported pressure relief valve | George York, Martin Walsh | 2005-01-04 |
| 6397822 | Integrated fuel system unit with two-stage marine fuel pump | Ralph E. Ulm, Bruce Stephen, Rodney Boutwell | 2002-06-04 |
| 6240904 | Stand alone multi stage fuel pump | Ralph E. Ulm, Rodney Boutwell, Bruce Stephens | 2001-06-05 |
| 6179577 | Electric fuel pump with fuel heater | — | 2001-01-30 |
| 6102011 | In-tank fuel delivery system for marine vessels | Bruce Stephens | 2000-08-15 |
| 5140303 | Submersible electronic fuel level signal damper | — | 1992-08-18 |
| 5102307 | Electric fuel pump with radio frequency noise supression | — | 1992-04-07 |
| 4452202 | Vacuum pressure transducer | — | 1984-06-05 |
| 4378772 | Open loop electronic circuit for altitude compensation | — | 1983-04-05 |
| 4305360 | Engine automatic idle speed control apparatus | Richard D. Doerr, Steven Bollinger, Mark A. Jefferis, Chusak Tansuwan | 1981-12-15 |
| 4274144 | Fuel control system development apparatus | Robert H. Beckwith, Richard Allman, Mark A. Jefferis | 1981-06-16 |