Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473441 | Embedded electric machine | Gert Johannes van der Merwe, Daniel Alan Niergarth | 2022-10-18 |
| 8450888 | Integrated brushless starter/generator system | Douglas George Shafer | 2013-05-28 |
| 8375695 | Aircraft gas turbine engine counter-rotatable generator | Jan Christopher Schilling | 2013-02-19 |
| 8063528 | Counter-rotatable generator | — | 2011-11-22 |
| 7791235 | Variable magnetic coupling of rotating machinery | John M. Kern, Juan Manuel de Bedout, Kiyoung Chung, Michal-Wolfgang Waszak, Manoj Ramprasad Shah +2 more | 2010-09-07 |
| 7514810 | Electric power generation using power turbine aft of LPT | John M. Kern, Kiyoung Chung, Ronghai Qu, Wei Wu, Craig Douglas Young +2 more | 2009-04-07 |
| 4227443 | Fail-fixed servovalve | — | 1980-10-14 |