Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12081153 | Method and apparatus for riding through power disruptions of a drive circuit | — | 2024-09-03 |
| 11799410 | Method and apparatus for riding through power disruptions of a drive circuit | — | 2023-10-24 |
| 11424709 | Method and apparatus for riding through power disruptions of a drive circuit | — | 2022-08-23 |
| 9000707 | Use of cooling fan in adjustable speed drives | Mark Douglas Rayner | 2015-04-07 |
| 8639474 | Microcontroller-based diagnostic module | Mark Douglas Rayner | 2014-01-28 |
| 7224140 | Method of stall detection for stepper motor system | Jim Childers | 2007-05-29 |
| 6313602 | Modified space vector pulse width modulation technique to reduce DC bus ripple effect in voltage source inverters | Wajiha Shireen | 2001-11-06 |
| 5448149 | Indirect rotor position sensor for a sinusoidal synchronous reluctance machine | Mehrdad Ehsani, Thomas A. Lipo | 1995-09-05 |