Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11791713 | Method and apparatus for cooling one or more power devices | Samuel David Ahearn | 2023-10-17 |
| 11757374 | Method and apparatus for generating a three-phase voltage | Samuel David Ahearn, Richard Phillips, Tim Woolmer | 2023-09-12 |
| 11646676 | Method and apparatus for generating a three-phase voltage | Samuel David Ahearn | 2023-05-09 |
| 11276622 | Inverter arrangement | Tim Woolmer, Christopher Stuart Malam, Tom Hillman, Richard Phillips | 2022-03-15 |
| 10985089 | Semiconductor cooling arrangement | Tim Woolmer, Christopher Stuart Malam, Graham Law, Francesca Bernardine Bumpus | 2021-04-20 |
| 10240838 | Variable speed compressor control with sound-controlled defrost mode | Wayne M. Penn, Jacob A. Groshek | 2019-03-26 |
| 9893668 | Control system and method | Michael Cade, Richard Mark Wain | 2018-02-13 |
| 9618543 | Control system for multi-phase rotary machines | — | 2017-04-11 |
| 9614459 | Modulation of switching signals in power converters | Antony John Webster | 2017-04-04 |
| 9509222 | Power conversion system | Stephen Berry, Richard Mark Wain, Dhananjay Dattatray Kapatkar, Dilesh Arvind Raut | 2016-11-29 |
| 9476626 | Variable speed compressor control with lost rotor mitigation | Wayne M. Penn, Jacob A. Groshek | 2016-10-25 |
| 9300239 | Rotor control | — | 2016-03-29 |
| 9197139 | Rectifier charge rate controller | Stephen Berry | 2015-11-24 |
| 8958222 | Modulation of switching signals in power converters | — | 2015-02-17 |