Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6511292 | Backup governing system for a variable pitch propeller | Robert H. Perkinson | 2003-01-28 |
| 5299920 | Fixed geometry variable displacement pump system | — | 1994-04-05 |
| 5241826 | Fixed geometry variable displacement pump system | — | 1993-09-07 |
| 4898324 | Metering valve temperature compensation | Robert H. Perkinson, Rene F. Belanger | 1990-02-06 |
| 4825649 | Shutoff and pressure regulating valve | Brian G. Donnelly, Gerald J. Gorneault | 1989-05-02 |
| 4760662 | Hybrid fuel metering system | Gerald P. Dyer, Gerald J. Gorneault, Robert H. Perkinson | 1988-08-02 |
| 4751942 | Multi-function fuel metering valve | Gerald P. Dyer, Gerald J. Gorneault | 1988-06-21 |
| 4715397 | Pressure regulator | — | 1987-12-29 |
| 4646624 | Differential pressure sensor | — | 1987-03-03 |
| 4440192 | Minimization of pressure drop variation in flow controllers | Brian G. Donnelly | 1984-04-03 |
| 4422287 | Fuel control for gas turbine engines | Herbert W. Tutherly | 1983-12-27 |
| 4411133 | Fuel circuits for fuel controls | Herbert W. Tutherly | 1983-10-25 |
| 4359929 | Negative rate compensated hydraulic servo system | — | 1982-11-23 |
| 4326376 | Governorless gas turbine fuel control | David L. Chapski, Kenneth F. Vosseller | 1982-04-27 |
| 4267693 | Hydromechanical fuel control with independent electromechanical interface | — | 1981-05-19 |