Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11827344 | Low noise ducted fan | Alexander Dang Quang Truong, Karl Schroeder | 2023-11-28 |
| 11548608 | Parasite aircraft for airborne deployment and retrieval | Joseph Scott Drennan, Carlos Alexander Fenny, John Richard McCullough, Brett Rodney Zimmerman | 2023-01-10 |
| 11286036 | Ducted rotor blade tip extension | Kirk Landon Groninga, Daniel Bryan Robertson, Matthew Edward Louis, Robert Glenn Vaughn, Brent Randal Achttien | 2022-03-29 |
| 11286037 | Ducted rotor blade tip extension | Robert Glenn Vaughn, Brent Randal Achttien, Kirk Landon Groninga, Daniel Bryan Robertson, Matthew Edward Louis | 2022-03-29 |
| 11104439 | System and method for deployment and retrieval of parasite aircraft | Carlos Alexander Fenny, Joseph Scott Drennan, John Richard McCullough, Brett Rodney Zimmerman | 2021-08-31 |
| 11053008 | Parasite aircraft for airborne deployment and retrieval | Joseph Scott Drennan, Carlos Alexander Fenny, John Richard McCullough, Brett Rodney Zimmerman | 2021-07-06 |
| 11008102 | Maneuverable capture apparatus for airborne deployment and retrieval of parasite aircraft | Carlos Alexander Fenny, Joseph Scott Drennan, John Richard McCullough, Brett Rodney Zimmerman | 2021-05-18 |
| 10336443 | Retractable and deployable flight rotor system | Matthew Edward Louis, Daniel Bryan Robertson, Frank B. Stamps | 2019-07-02 |
| 10243647 | Aircraft visual sensor system | Joseph Scott Drennan | 2019-03-26 |
| 7092262 | System and method for pre-charging the DC bus of a utility connected power converter | Mark Gilbreth, Kenneth W. Keller, Simon Wall | 2006-08-15 |
| 6442051 | Full thyristor bridge circuit with free wheeling diode for de-excitation control and stability sensing | Mohammed Kassem Saleh, Rodney A. Lawson, John E. Bittner | 2002-08-27 |
| 6405154 | Method and apparatus for power electronics health monitoring | — | 2002-06-11 |
| 6328256 | Low-height tunable tilt rotor downstop | Brett Rodney Zimmerman | 2001-12-11 |
| 6281595 | Microturbine based power generation system and method | Gautam Sinha, Luis Jose Garces | 2001-08-28 |