Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11193426 | Electrically geared turbofan | — | 2021-12-07 |
| 11146200 | Variable frequency independent speed motor control based on flux estimate | Lijun Gao | 2021-10-12 |
| 11128212 | Current ripple reduction for a direct current source powering an alternating current load | Eugene V. Solodovnik, Frederic Lacaux, Kamiar J. Karimi | 2021-09-21 |
| 11110811 | Thin haul hybrid electric propulsion system | Lijun Gao | 2021-09-07 |
| 11069463 | Hybrid wound-rotor motor and generator with induction feed and persistent current | John R. Hull | 2021-07-20 |
| 11056963 | Hybrid wound-rotor motor and generator with induction feed and persistent current | John R. Hull | 2021-07-06 |
| 11025183 | Independent-speed-variable-frequency-generator-based constant frequency and narrow-band variable frequency power systems and methods | Lijun Gao | 2021-06-01 |
| 10934880 | Electrical generation from turbine engines | — | 2021-03-02 |