Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410777 | Turboexpander islanding operation | Liping Zheng, Jeremy Liu, Freddie Sarhan | 2025-09-09 |
| 12374963 | Turboexpander system with low voltage ride through control architecture | Liping Zheng, Jeremy Liu | 2025-07-29 |
| 12316197 | Brake resistor design for controlling rotor speed during generator shutdown sequence | Jeremy Liu, Liping Zheng | 2025-05-27 |
| 11994115 | Turboexpander islanding operation | Liping Zheng, Jeremy Liu, Freddie Sarhan | 2024-05-28 |
| 11262405 | Fault detection in a multi-phase electric machine | Liping Zheng | 2022-03-01 |
| 10910957 | Silicon carbide power inverter/rectifier for electric machines | Jinsheng Wei, Octavio Solis | 2021-02-02 |
| 10753270 | Controlling an electronically-assisted turbocharger | Liping Zheng, Co Si Huynh | 2020-08-25 |
| 10536053 | High speed motor drive | Liping Zheng, Herman Artinian, Patrick McMullen, David Biddick, Kuo-Chiang Chen | 2020-01-14 |
| 10145224 | High speed motor drive | Liping Zheng, Herman Artinian, Patrick McMullen, David Biddick, Kuo-Chiang Chen | 2018-12-04 |
| 7932635 | Transfer switch system with neutral current management | Peter A. Panfil, Jeffrey M. Powell, Richard T. Caudill, William A. Barcus, James K. Martin | 2011-04-26 |
| 6917124 | Uninterruptible power supply | Russell E. Shetler, Jr., Brian P. Heber, Kevin Eschhofen, Ramesh Subramanian, Nelson John Norris +7 more | 2005-07-12 |