Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11498670 | Coaxial split torque gear box | Thomas L. Sbabo | 2022-11-15 |
| 10703466 | Propulsor hub weight element and balancing method | Ron William Waldo, Christopher L. Winslow | 2020-07-07 |
| 10696386 | Rigid rotor head with tension torsion (TT) strap retention | Frederick J. Miner, Stephen V. Poulin, Richard Thomas Hood, Frank P. D'Anna | 2020-06-30 |
| 10648340 | High modulus hybrid material rotor blade spar | — | 2020-05-12 |
| 10604247 | Tension torsion strap | Ron William Waldo, Joshua Richards, Kristopher Michael Haydel, Lance Halcom | 2020-03-31 |
| 10543914 | Non-loaded manual blade fold assembly | Frank P. D'Anna | 2020-01-28 |
| 10358212 | Aircraft rotor assembly with composite laminate | Frank P. D'Anna, Stephen V. Poulin | 2019-07-23 |
| 10336444 | Composite stiffened rigid propeller shaped main rotor hub | Frederick J. Miner | 2019-07-02 |
| 10301012 | Rotor hub for rotary wing aircraft | Kevin Laitenberger | 2019-05-28 |
| 10189564 | Non-loaded manual blade fold assembly | Frank P. D'Anna | 2019-01-29 |
| 10173767 | Aircraft with drive element coupled to gearbox housing exterior | — | 2019-01-08 |
| 10112708 | Weight efficient servo attachment scheme for rigid coaxial rotor control system | Stephen V. Poulin, Bryan D. Mayrides | 2018-10-30 |
| 9957040 | Propeller gearbox oil cooler for a rotary wing aircract | Thomas L. Tully | 2018-05-01 |
| 9951825 | Multi-plate clutch | Thomas L. Tully | 2018-04-24 |
| 9718541 | Swashplate apparatus | Stephen V. Poulin, Frank P. D'Anna, Frederick J. Miner | 2017-08-01 |
| 9452830 | Constant velocity drive for tilt rotor assembly | Frank P. D'Anna | 2016-09-27 |
| 9315265 | Adjustable scissor control link | Lance Halcom, Bryan Kenneth Baskin, Frank P. D'Anna, David H. Hunter | 2016-04-19 |
| 7621480 | De-rotation system for a counter-rotating, coaxial rotor hub shaft fairing | Fabio Bertolotti, Thomas L. Sbabo, Frank P. D'Anna | 2009-11-24 |
| 7607607 | De-rotation system suitable for use with a shaft fairing system | Frank P. D'Anna, Thomas L. Sbabo | 2009-10-27 |