Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11146200 | Variable frequency independent speed motor control based on flux estimate | Shengyi Liu | 2021-10-12 |
| 11110811 | Thin haul hybrid electric propulsion system | Shengyi Liu | 2021-09-07 |
| 11025183 | Independent-speed-variable-frequency-generator-based constant frequency and narrow-band variable frequency power systems and methods | Shengyi Liu | 2021-06-01 |
| 11011928 | Bus transfer for a flight test system | Daniel Coe Outlaw | 2021-05-18 |