Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5199850 | Pitch stop assembly for variable pitch propulsor | Paul A. Carvalho | 1993-04-06 |
| 5161948 | Propulsor pitchlock and feather stop | Paul A. Carvalho | 1992-11-10 |
| 4936746 | Counter-rotation pitch change system | Millard G. Mayo, Philip E. Barnes, Paul A. Carvalho | 1990-06-26 |
| 4753572 | Propeller pitch change actuation system | — | 1988-06-28 |
| 4750862 | Modular propeller blade pitch actuation system | Philip E. Barnes | 1988-06-14 |
| 4644852 | Actuator having tolerance to ballistic damage | — | 1987-02-24 |
| 4581981 | Actuator having tolerance to ballistic damage | — | 1986-04-15 |