Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12319400 | Aircraft propulsion system and methods of feathering | Jean Thomassin, Pierre Bertrand, Todd A. Spierling | 2025-06-03 |
| 10407163 | Aircraft control system and method | Robert H. Perkinson | 2019-09-10 |
| 9714575 | Differential blade design for propeller noise reduction | Daniel W. Shannon, Robert Hans Schlinker | 2017-07-25 |
| 9656757 | Propeller deicing system | — | 2017-05-23 |
| 9604729 | Aircraft control system and method | Robert H. Perkinson | 2017-03-28 |