Issued Patents All Time
Showing 25 most recent of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9555880 | Flexbeam rotor | David H. Hunter, Ryan Thomas Casey | 2017-01-31 |
| 9505491 | Helicopter composite blade spar and method | Jacob Adam Fehrman | 2016-11-29 |
| 9169011 | Rotor with blades including outer blade shell and inner structural member | David H. Hunter, Ryan Thomas Casey | 2015-10-27 |
| 8911153 | Spherical elastomeric bearing with improved shim thickness | Robert E. Cunningham | 2014-12-16 |
| 8511997 | Uniform fatigue life spherical elastomeric bearing | Robert E. Cunningham | 2013-08-20 |
| 8275585 | Spherical elastomeric bearing with improved shim thickness | Robert E. Cunningham | 2012-09-25 |
| 6848886 | Snubber | David N. Schmaling | 2005-02-01 |
| 6578793 | Method and apparatus for fiber strap termination | William P. Fallon, Jr. | 2003-06-17 |
| 6398497 | Blade lock system for variable diameter rotor systems | Francis D. Federici | 2002-06-04 |
| 6318527 | Inertial vibration isolator spring for helicopter | David N. Schmaling | 2001-11-20 |
| 6074126 | Structural interlock for inhibiting relative rotation between mating elements | David H. Hunter, Kevin French | 2000-06-13 |
| 5810562 | Composite rotating swashplate for a helicopter rotor system | Robert Milne | 1998-09-22 |
| 5690474 | Optimized composite flexbeam for helicopter tail rotors | Francis D. Federici, David N. Schmaling | 1997-11-25 |
| 5601408 | Axisymmetric elastomeric bearing assembly for helicopter rotors | David H. Hunter, Douglas E. Tritsch | 1997-02-11 |
| 5523530 | Elastomeric acoustic insulator | Ralph D. Costanza, Charles J. Isabelle | 1996-06-04 |
| 5499903 | Snubber bearing mounting assembly for bearingless rotors | David N. Schmaling, Frederick J. Miner | 1996-03-19 |
| 5460487 | Pitch adjustment assembly for bearingless main rotors | David N. Schmaling | 1995-10-24 |
| 5449152 | Tubular elastomer damper | Lawrence I. Cullen, III | 1995-09-12 |
| 5431538 | Hybrid composite flexbeam for a helicopter bearingless main rotor assembly | David N. Schmaling | 1995-07-11 |
| 5372479 | Flexbeam for a helicopter bearingless main rotor assembly | Timothy A. Krauss, David N. Schmaling | 1994-12-13 |
| 5286167 | Spar-to-hub joint for a flexbeam helicopter rotor | David N. Schmaling | 1994-02-15 |
| 5242267 | Bearingless main rotor assembly torque tube | I. Lawrence Cullen, III | 1993-09-07 |
| 5188513 | Snubber-bearing with combined elastomer laminates | — | 1993-02-23 |
| 5120195 | Clevis joint capable of accommodating substantial pivotal motion between its joined members and loading along its axis | David N. Schmaling | 1992-06-09 |
| 5110260 | Articulated helicopter rotor within an improved blade-to-hub connection | Edward S. Hibyan, William L. Noehren | 1992-05-05 |