Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8667774 | Coannular ducted fan | Mark Steven Kuehn, Timothy G. Brewer | 2014-03-11 |
| 8141912 | Flexible ducting system including an articulable sealed joint | — | 2012-03-27 |
| 7600711 | Flexible ducting system including an articulable sealed joint | — | 2009-10-13 |
| 6942394 | Bearing race support without distortion | John V. Alexander, Richard Soloski | 2005-09-13 |
| 6193464 | Active brake control for rotor/wing aircraft | Stephen S. Osder | 2001-02-27 |
| 6170779 | Rotor pitch lock for rotary/wing aircraft | — | 2001-01-09 |
| 6161799 | Rotor blade lock for rotary/wing aircraft | — | 2000-12-19 |
| 6131849 | Articulating/telescoping duct for reaction drive helicopters | — | 2000-10-17 |
| 5727757 | Slotted cam control system | — | 1998-03-17 |