Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5096380 | Composite flexbeam for a bearingless helicopter rotor | Albert T. Krauss | 1992-03-17 |
| 5092738 | Flexbeam helicopter rotor with improved snubber-vibration damper between the torque tube and the flexible spar member | Frank P. D'Anna | 1992-03-03 |
| 5083725 | Elastomeric swashplate configuration for helicopters | Edward S. Hibyan, Albert T. Krauss | 1992-01-28 |
| 5035576 | Propeller blade pin attachment | David N. Schmaling | 1991-07-30 |
| 4930983 | Hybrid helicopter rotor hub retention plate | David N. Schmaling | 1990-06-05 |
| 4895354 | Equalizing stress distribution in each laminate of an asymmetrically loaded elastomeric bearing | — | 1990-01-23 |
| 4804315 | Composite helicopter swashplate | Donald L. Ferris, Lawrence Varholak | 1989-02-14 |
| 4797064 | Composite helicopter rotor hub | Donald L. Ferris | 1989-01-10 |
| 4746272 | Lobed composite flexbeam | William L. Noehren, Edward S. Hibyan | 1988-05-24 |
| 4714450 | Elastomeric high torque, constant velocity joint | Donald L. Ferris, Edward S. Hibyan, William L. Noehren, Peter C. Ogle | 1987-12-22 |
| 4676669 | Tailoring tilt in an elastomeric high torque, constant velocity joint | Donald L. Ferris, Eric G. Olsen | 1987-06-30 |
| 4568244 | Fiber reinforced/epoxy matrix composite helicopter rotor main hub plate | George J. Wehnert, Peter C. Ogle | 1986-02-04 |
| 4568245 | Composite helicopter rotor hub | Edward S. Hibyan, George J. Wehnert, Thomas J. Toner, Peter C. Ogle | 1986-02-04 |
| 4568246 | Fiber reinforced/epoxy matrix composite helicopter rotor torque tube | Edward S. Hibyan, George J. Wehnert, Thomas J. Toner, Peter C. Ogle | 1986-02-04 |