Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5314147 | Helicopter engine speed enhancement during heavy rotor load and rapid descent rate maneuvering | Robert W. Rice | 1994-05-24 | $8,136,000 |
| 5265825 | Helicopter engine control having yaw input anticipation | Joseph T. Driscoll, David H. Sweet | 1993-11-30 | $3,859,000 |
| 5265826 | Helicopter engine control having lateral cyclic pitch anticipation | Joseph T. Driscoll, Byron Graham, Jr., David H. Sweet | 1993-11-30 | $3,859,000 |
| 5188511 | Helicopter anti-torque device direct pitch control | — | 1993-02-23 | $3,812,000 |
| 4655414 | Preventing inadvertent downthrottling of the operative engine in a multi-engine aircraft | Stephen H. Silder, Michael A. Beims | 1987-04-07 | $2,328,000 |
| 4470121 | Multi-frequency vibration controller using fluid-filled cantilever beam for vibration excitation & absorption | — | 1984-09-04 | $3,658,000 |