Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286217 | Automatic emergency landing gear extension system | Christopher A. Thornberg | 2025-04-29 |
| 12122507 | Real time rotor head moment measurement, control, and limiting | Navid Dadkhah Tehrani, Mark D. Ward | 2024-10-22 |
| 10831193 | Enhanced taxi control for rigid rotors | Christopher A. Thornberg | 2020-11-10 |
| 10745118 | Variable ratio gearbox for a rotary wing aircraft tail rotor | Frederick L. Bourne, Timothy Fred Lauder | 2020-08-18 |
| 10145708 | Power safety instrument system | James M. McCollough, Erik John Oltheten | 2018-12-04 |
| 10131442 | Power leveling controller | Peter James Waltner, Joseph Lawrence Simonetti, Jonathan Hartman | 2018-11-20 |
| 9663243 | Power safety instrument system | James M. McCollough, Erik John Oltheten | 2017-05-30 |
| 9352849 | Power safety instrument system | James M. McCollough, Erik John Oltheten | 2016-05-31 |
| 9098090 | Flight control laws for full envelope banked turns | Kevin Thomas Christensen, Shyhpyng Jack Shue, Troy Sheldon Caudill | 2015-08-04 |
| 9035802 | Power safety instrument system | James M. McCollough, Erik John Oltheten | 2015-05-19 |
| 8588996 | Aircraft occupant protection system | Andrew T. Hill, Michael R. Smith, Charles Eric Covington, Walter Gerd Oskar Sonneborn | 2013-11-19 |
| 7651050 | Variable speed gearbox with an independently variable speed tail rotor system for a rotary wing aircraft | Edward J. Karedes, Harsh Vinayak, Yuriy Gmirya | 2010-01-26 |
| 7434764 | Variable speed gearbox with an independently variable speed tail rotor system for a rotary wing aircraft | Edward J. Karedes, Harsh Vinayak, Yuriy Gmirya | 2008-10-14 |
| 6480763 | Method and system for providing an aircraft drift advisory | — | 2002-11-12 |
| 5465212 | Helicopter integrated fire and flight control having a pre-launch and post-launch maneuver director | Donald W. Fowler, Joan A. Edwards | 1995-11-07 |
| 5431084 | Helicopter integrated fire and flight control having azimuth and pitch control | Donald W. Fowler, James B. Dryfoos, James F. Keller | 1995-07-11 |
| 5339244 | Integrated time/limit exceedance cue system | Lorren Stiles, Gregory P. Wright | 1994-08-16 |
| 5331881 | Helicopter integrated fire and flight control having azimuth and pitch control | Donald W. Fowler, James B. Dryfoos, James F. Keller | 1994-07-26 |
| 5310136 | Helicopter integrated fire and flight control having constraint limiting control | Donald W. Fowler | 1994-05-10 |
| 5310135 | Helicopter integrated fire and flight control having coordinated area bombing control | Donald W. Fowler | 1994-05-10 |
| 5263662 | Helicopter integrated fire and flight control system having turn coordination control | Donald W. Fowler | 1993-11-23 |
| 5222691 | Automatic turn coordination trim control for rotary wing aircraft | Phillip J. Gold, Don L. Adams, Stuart C. Wright | 1993-06-29 |
| 5023797 | Range maximizing, stable, helicopter cruise fuel conservation | David M. Walsh, David H. Sweet, Charles E. Greenberg | 1991-06-11 |
| 5020316 | Helicopter control with multiple schedule rotor speed decay anticipator | David H. Sweet, Charles E. Greenberg, David M. Walsh, Richard P. Meisner | 1991-06-04 |
| 4998202 | Helicopter, high rotor load speed enhancement | David M. Walsh, Charles E. Greenberg, David H. Sweet | 1991-03-05 |