Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10717516 | Composite propulsor blade support structure and system | Eric Stephen Loos | 2020-07-21 |
| 8500510 | Floating toy | Michael Nuttall, Stacy Lynn O'Connor | 2013-08-06 |
| 8075270 | Fan blade retention and variable pitch system | Eric Stephen Loos | 2011-12-13 |
| 7503750 | Variable pitch rotor blade with double flexible retention elements | — | 2009-03-17 |
| 6676080 | Composite airfoil assembly | — | 2004-01-13 |
| 6305905 | Bolted-on propeller blade | David P. Nagle | 2001-10-23 |
| 6213719 | Bar wedge preload apparatus for a propeller blade | Coleman D. Shattuck, David P. Nagle | 2001-04-10 |
| 6015264 | Preloaded retention assembly for aircraft propeller blade retention | Matthew Soule, Thomas G. Corley | 2000-01-18 |
| 5269658 | Composite blade with partial length spar | Charles Carlson | 1993-12-14 |
| 5252165 | Method of making contoured fiber reinforced body | Marcia A. Fecto | 1993-10-12 |
| 5222297 | Composite blade manufacture | John M. Graff | 1993-06-29 |
| 5163817 | Rotor blade retention | Thomas Charles Mashey | 1992-11-17 |
| 5129787 | Lightweight propulsor blade with internal spars and rigid base members | Eugene J. Delgrosso | 1992-07-14 |
| 5127802 | Reinforced full-spar composite rotor blade | Charles Carlson | 1992-07-07 |
| 5118256 | Blade retention apparatus with elastomeric preload | Peter Ventura | 1992-06-02 |
| 5102300 | Pinned airfoil propeller assembly | Sean Auyeung, David P. Nagle | 1992-04-07 |
| 5074754 | Rotor blade retention system | — | 1991-12-24 |
| 5022824 | Pinned airfoil propeller blade | Sean Auyeung | 1991-06-11 |
| 5022825 | Pitch retention member | David P. Nagle | 1991-06-11 |
| 5017092 | Rotor blade retention | Thomas Charles Mashey | 1991-05-21 |
| 4730985 | Prop-fan with improved stability | Edward A. Rothman | 1988-03-15 |