Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8167233 | Coaxial rotor aircraft | David E. Brody, Frank Rixen, Richard F. Murray | 2012-05-01 |
| D592583 | Aircraft | David E. Brody, Frank Rixen, Richard F. Murray | 2009-05-19 |
| 4766984 | Nonlinear vibration absorber | David L. Kidd, Michael L. Grimes | 1988-08-30 |
| 4239455 | Blade-mounted centrifugal pendulum | Willem Broekhuizen, Mukund M. Joglekar, William D. Neathery | 1980-12-16 |
| 4239456 | Rotor blade out-of-plane centrifugal pendulums | Mukund M. Joglekar, Willem Broekhuizen, William D. Neathery | 1980-12-16 |