| 11619165 |
Rotary combustion engine with integrated multistage fuel system |
— |
2023-04-04 |
| 11506116 |
Rotary combustion engine with integrated multistage fuel system |
— |
2022-11-22 |
| 11365706 |
Turbine engine system utilizing an augmented combustion module |
— |
2022-06-21 |
| 10538321 |
Tri-rotor aircraft capable of vertical takeoff and landing and transitioning to forward flight |
David D. North, Mark J. Aull, William J. Fredericks, Mark Moore, Paul M. Rothhaar +1 more |
2020-01-21 |
| 10071801 |
Tri-rotor aircraft capable of vertical takeoff and landing and transitioning to forward flight |
David D. North, Mark J. Aull, William J. Fredericks, Mark Moore, Paul M. Rothhaar +1 more |
2018-09-11 |
| 9896200 |
Vertical takeoff and landing vehicle with increased cruise efficiency |
William J. Fredericks, Mark Moore, Ronald C. Busan, Paul M. Rothhaar, David D. North +4 more |
2018-02-20 |
| 9475579 |
Vertical take-off and landing vehicle with increased cruise efficiency |
William J. Fredericks, Mark Moore, Ronald C. Busan, Paul M. Rothhaar, David D. North +4 more |
2016-10-25 |