Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4741501 | Preventing augmenting vertical load induced oscillations in a helicopter | Richard D. Murphy, Franklin A. Tefft | 1988-05-03 |
| 4566101 | Oscillatory failure monitor | Joseph P. Skonieczny, Richard D. Murphy | 1986-01-21 |
| 4564908 | Automatic limiting of helicopter engine torque | Joseph P. Skonieczny, Richard D. Murphy | 1986-01-14 |
| 4563743 | Maneuver-force gradient system | Richard D. Murphy | 1986-01-07 |
| 4500967 | Aircraft short-term roll attitude retention system | Richard D. Murphy, Ricardo L. Perez | 1985-02-19 |
| 4412280 | Complementary commands in fail-operational, fail-safe multi-computer control system | Richard D. Murphy | 1983-10-25 |
| 4382283 | Helicopter attitude and airspeed acquisition and retention system | Richard D. Murphy | 1983-05-03 |
| 4382281 | Helicopter force feel actuator automatic static null compensation | Donald W. Fowler, Raymond J. Brand | 1983-05-03 |
| 4355358 | Adaptive aircraft actuator fault detection | Donald W. Fowler | 1982-10-19 |
| 4354230 | Synchronized, fail-operational, fail-safe multi-computer control system | Richard D. Murphy | 1982-10-12 |
| 4337516 | Sensor fault detection by activity monitoring | Richard D. Murphy | 1982-06-29 |
| 4313165 | Force feel actuator with limited proportional/integral error feedback | Donald W. Fowler | 1982-01-26 |
| 4294162 | Force feel actuator fault detection with directional threshold | Donald W. Fowler | 1981-10-13 |
| 4270168 | Selective disablement in fail-operational, fail-safe multi-computer control system | Richard D. Murphy | 1981-05-26 |