Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874292 | Apparatus for damping helicopter rotor blade oscillations | David G. Matuska | 1989-10-17 |
| 4804315 | Composite helicopter swashplate | Francis E. Byrnes, Lawrence Varholak | 1989-02-14 |
| 4797064 | Composite helicopter rotor hub | Francis E. Byrnes | 1989-01-10 |
| 4714450 | Elastomeric high torque, constant velocity joint | Francis E. Byrnes, Edward S. Hibyan, William L. Noehren, Peter C. Ogle | 1987-12-22 |
| 4688993 | Tangential link swashplate centering member | Johnny P. Gendreau, Alexander Korzun | 1987-08-25 |
| 4676669 | Tailoring tilt in an elastomeric high torque, constant velocity joint | Francis E. Byrnes, Eric G. Olsen | 1987-06-30 |
| 4668115 | Helicopter rotor spindle retention assembly | Herbert Heise | 1987-05-26 |
| 4645423 | Tension/compression rod arrangement for damping helicopter rotor blade oscillations | David G. Matuska | 1987-02-24 |
| 4588355 | Flexible swashplate centering member | Michael J. Marchitto | 1986-05-13 |
| 4575358 | Accommodating axial load in an elastomeric high torque, constant velocity joint | — | 1986-03-11 |
| 4569629 | Helicopter gimbal rotor | Charles F. Niebanck, Thomas Campbell, Eric G. Olsen | 1986-02-11 |
| 4439106 | Rotor blade shaft integrity monitoring system | Elliot F. Olster, Michael J. Marchitto | 1984-03-27 |
| 4373862 | Rotor blade shaft integrity monitoring system | Peter C. Ogle | 1983-02-15 |
| 4368006 | Droop stop for fully articulated rotor | Robert C. Rybicki | 1983-01-11 |
| 4299538 | Cross beam rotor | Peter C. Ogle | 1981-11-10 |
| 4284387 | Blade fold restraint system | — | 1981-08-18 |
| RE30713 | Cross beam rotor | Timothy A. Krauss | 1981-08-18 |
| 4244677 | Cross-beam helicopter rotor with readily replaceable snubber | William L. Noehren, Peter C. Ogle | 1981-01-13 |
| 4242047 | Adjustable bearing centering means for helicopter rotor elastomeric bearings | Peter C. Ogle | 1980-12-30 |
| 4235570 | Elastomeric helicopter rotor load reaction system | Edward S. Hibyan, Robert L. Faiz | 1980-11-25 |