Issued Patents All Time
Showing 26–50 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11142310 | Dual tiltwing aircraft having a quadrilateral linkage | Kirk Landon Groninga | 2021-10-12 |
| 11117655 | Counter-rotating tail rotor | Kirk Landon Groninga | 2021-09-14 |
| 11097838 | Duct with optimized horizontal stator shape | Kirk Landon Groninga, Matthew Edward Louis | 2021-08-24 |
| 11091258 | VTOL aircraft with tilting rotors and tilting ducted fans | Kirk Landon Groninga | 2021-08-17 |
| 11084573 | Fluidic drag rudder systems for yaw control in forward flight | Kirk Landon Groninga, Matthew Edward Louis | 2021-08-10 |
| 11077951 | Propulsion systems for low observable aircraft | Kirk Landon Groninga, Steven Ray Ivans, Matthew Edward Louis | 2021-08-03 |
| 11077939 | Low observable aircraft having tandem lateral lift fans | Kirk Landon Groninga, Steven Ray Ivans, Matthew Edward Louis | 2021-08-03 |
| 11072423 | Low observable aircraft having a unitary lift fan | Kirk Landon Groninga, Steven Ray Ivans, Matthew Edward Louis | 2021-07-27 |
| 10889366 | Ducted thrusters | Chad Lewis Jarrett, Frank B. Stamps, Kirk Landon Groninga, Matthew Edward Louis | 2021-01-12 |
| 10884015 | Multidirectional airspeed detection system | Andrew Vincent Louis, Matthew Edward Louis | 2021-01-05 |
| 10836481 | Biplane tiltrotor aircraft | Kirk Landon Groninga, Frank B. Stamps, Matthew Edward Louis | 2020-11-17 |
| 10814967 | Cargo transportation system having perimeter propulsion | Kirk Landon Groninga, Brett Rodney Zimmerman | 2020-10-27 |
| 10752373 | Air management systems for stacked motor assemblies | Kirk Landon Groninga | 2020-08-25 |
| 10730622 | Personal air vehicle with ducted fans | Kirk Landon Groninga, John Lloyd | 2020-08-04 |
| 10717526 | UAV with in-flight adjustable wings | Levi Charles Hefner, Danielle Lynn Moore, Andrea Chavez, Kirk Landon Groninga, John Lloyd | 2020-07-21 |
| 10654580 | Tiltrotor outboard fixed engine configuration with offset rotation spindle and interconnect drive shaft | Brent Chadwick Ross | 2020-05-19 |
| 10633086 | Rotorcraft anti-torque and directional control using a centrifugal blower | Matthew R. Carr, Matthew Edward Louis, Kirk Landon Groninga, Frank B. Stamps, Albert G. Brand +1 more | 2020-04-28 |
| 10597152 | Dual tiltwing aircraft having a quadrilateral linkage | Kirk Landon Groninga | 2020-03-24 |
| 10589855 | Tiltrotor aircraft with outboard fixed engines | Kirk Landon Groninga | 2020-03-17 |
| 10562618 | Helicopter with wing augmented lift | Kirk Landon Groninga | 2020-02-18 |
| 10513334 | X-tiltwing aircraft | Kirk Landon Groninga | 2019-12-24 |
| 10494095 | Hybrid powered unmanned aircraft system | Kirk Landon Groninga | 2019-12-03 |
| 10479495 | Aircraft tail with cross-flow fan systems | Kirk Landon Groninga, Matthew Edward Louis | 2019-11-19 |
| 10427780 | Electric cold flow tipjet rotorcraft | Carlos Alexander Fenny, Kirk Landon Groninga, Troy Cyril Schank | 2019-10-01 |
| 10421541 | Aircraft with tilting cross-flow fan wings | Kirk Landon Groninga, Matthew Edward Louis | 2019-09-24 |