Issued Patents 2021
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11186185 | Rotor brake effect by using electric distributed anti-torque generators and opposing electric motor thrust to slow a main rotor | Andrew Paul Haldeman, Frank B. Stamps | 2021-11-30 | $12,962,000 |
| 11148796 | Tail rotor assembly | Albert G. Brand | 2021-10-19 | $10,094,000 |
| 11072422 | Counter torque device | Albert G. Brand | 2021-07-27 | $22,205,000 |
| 10946954 | Variable-speed drive system for tiltrotor with fixed engine and rotating proprotor | Ryan T. Ehinger, David R. Bockmiller | 2021-03-16 | $46,770,000 |
| 10933980 | Peak power use with pilot monitoring | Edward Lambert, Yann Lavallee, Aaron Alexander Acee, Albert G. Brand | 2021-03-02 | $16,982,000 |
| 10906660 | Cowling inlet for sideward airflow | — | 2021-02-02 |