Darrow, Jr.; David A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Darrow, Jr.; David A..The latest application filed is for "mono-cyclic swashplate".
- Darrow, Jr.; David A. - Stratford CT
- Darrow, Jr.; David A. - Mesa AZ
| Patent | Date |
|---|---|
| Propulsor hub weight element and balancing method Grant 10,703,466 - Darrow, Jr. , et al. | 2020-07-07 |
| High modulus hybrid material rotor blade spar Grant 10,648,340 - Darrow, Jr. | 2020-05-12 |
| Tension torsion strap Grant 10,604,247 - Darrow, Jr. , et al. | 2020-03-31 |
| Non-loaded manual blade fold assembly Grant 10,543,914 - Darrow, Jr. , et al. Ja | 2020-01-28 |
| Aircraft rotor assembly with composite laminate Grant 10,358,212 - Darrow, Jr. , et al. July 23, 2 | 2019-07-23 |
| Composite stiffened rigid propeller shaped main rotor hub Grant 10,336,444 - Darrow, Jr. , et al. | 2019-07-02 |
| Rotor hub for rotary wing aircraft Grant 10,301,012 - Darrow, Jr. , et al. | 2019-05-28 |
| Non-loaded manual blade fold assembly Grant 10,189,564 - Darrow, Jr. , et al. Ja | 2019-01-29 |
| Aircraft with drive element coupled to gearbox housing exterior Grant 10,173,767 - Darrow, Jr. J | 2019-01-08 |
| Weight efficient servo attachment scheme for rigid coaxial rotor control system Grant 10,112,708 - Darrow, Jr. , et al. October 30, 2 | 2018-10-30 |
| Mono-cyclic Swashplate App 20180290740 - Darrow, Jr.; David A. ; et al. | 2018-10-11 |
| Coaxial Split Torque Gear Box App 20180222578 - Sbabo; Thomas L. ; et al. | 2018-08-09 |
| Tension Torsion Strap App 20180148166 - Darrow, Jr.; David A. ; et al. | 2018-05-31 |
| Propulsor Hub Weight Element And Balancing Method App 20180141646 - Darrow, JR.; David A. ; et al. | 2018-05-24 |
| Propeller gearbox oil cooler for a rotary wing aircract Grant 9,957,040 - Darrow, Jr. , et al. May 1, 2 | 2018-05-01 |
| Swashplate apparatus Grant 9,718,541 - Darrow, Jr. , et al. August 1, 2 | 2017-08-01 |
| Constant velocity drive for tilt rotor assembly Grant 9,452,830 - D'Anna , et al. September 27, 2 | 2016-09-27 |
| Non-loaded Manual Blade Fold Assembly App 20160214711 - DARROW, JR.; David A. ; et al. | 2016-07-28 |
| Aircraft With Drive Element Coupled To Gearbox Housing Exterior App 20160207610 - DARROW, JR.; David A. | 2016-07-21 |
| Non-loaded Manual Blade Fold Assembly App 20160207622 - DARROW, Jr.; David A. ; et al. | 2016-07-21 |
| Aircraft Rotor Assembly With Composite Laminate App 20160207621 - Darrow, JR.; David A. ; et al. | 2016-07-21 |
| Light Weight Propulsor Gearbox App 20160207619 - DARROW, JR.; David A. ; et al. | 2016-07-21 |
| Propeller Gearbox Oil Cooler For A Rotary Wing Aircract App 20160207618 - DARROW, JR.; David A. ; et al. | 2016-07-21 |
| Rotor Hub For Rotary Wing Aircraft App 20160207620 - DARROW, JR.; David A. ; et al. | 2016-07-21 |
| High Modulus Hybrid Material Rotor Blade Spar App 20160208616 - DARROW, Jr.; David A. | 2016-07-21 |
| Composite Stiffened Rigid Propeller Shaped Main Rotor Hub App 20160200431 - DARROW, JR.; David A. ; et al. | 2016-07-14 |
| Swashplate Apparatus App 20160200435 - DARROW, JR.; David A. ; et al. | 2016-07-14 |
| Weight Efficient Servo Attachment Scheme For Rigid Coaxial Rotor Control System App 20160200432 - DARROW, JR.; David A. ; et al. | 2016-07-14 |
| Constant Velocity Drive For Tilt Rotor Assembly App 20150197332 - D'Anna; Frank P. ; et al. | 2015-07-16 |
| De-rotation system for a counter-rotating, coaxial rotor hub shaft fairing Grant 7,621,480 - Darrow, Jr. , et al. November 24, 2 | 2009-11-24 |
| De-rotation system suitable for use with a shaft fairing system Grant 7,607,607 - Darrow, Jr. , et al. October 27, 2 | 2009-10-27 |
| De-rotation System Suitable For Use With A Shaft Fairing System App 20090084891 - Darrow, JR.; David A. ; et al. | 2009-04-02 |
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