Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12272995 | Permanent magnet motor harmonic filter | Seth M. McGill, Petri J. Mäki-Ontto | 2025-04-08 |
| 12095396 | Reduced motor magnetic losses via reduction of temporal harmonics by control of DC link voltage | Seth M. McGill | 2024-09-17 |
| 12009763 | Mode switching for a centrifugal compressor | Petri J. Mäki-Ontto, James W. Ziemer, Matthew A. Shepeck | 2024-06-11 |
| 11770087 | Mode switching for a centrifugal compressor | Petri J. Mäki-Ontto, James W. Ziemer, Matthew A. Shepeck | 2023-09-26 |
| 10746448 | Controls and operation of variable frequency drives | Nathan Thomas West, David M. Foye, Dennis M. Beekman, Korwin Jay Anderson, Robert S. Bakkestuen | 2020-08-18 |
| 10598551 | Variable frequency drive temperature determination | Nathan Thomas West | 2020-03-24 |
| 10314200 | Variable frequency drive operation to avoid overheating | Nathan Thomas West, David M. Foye, Korwin Jay Anderson | 2019-06-04 |
| 10295239 | Controls and operation of variable frequency drives | Nathan Thomas West, David M. Foye, Dennis M. Beekman, Korwin Jay Anderson, Robert S. Bakkestuen | 2019-05-21 |
| 10240839 | Apparatuses, systems, and methods of variable frequency drive operation and control | Nathan Thomas West, Pavak Mehta | 2019-03-26 |
| 10101070 | Axial thrust control for rotary compressors | Nathan Thomas West, Dennis M. Beekman, David M. Foye, Korwin Jay Anderson | 2018-10-16 |
| 10041840 | Variable frequency drive temperature determination | Nathan Thomas West | 2018-08-07 |
| 9654048 | Variable frequency drive self-check | Nathan Thomas West, Korwin Jay Anderson, Matthew A. Shepeck, David M. Foye | 2017-05-16 |
| 9654049 | Variable frequency drive active harmonic mitigation controls and diagnostics | Nathan Thomas West, David M. Foye, Korwin Jay Anderson, William J. Walters | 2017-05-16 |
| 9605886 | Axial thrust control for rotary compressors | Nathan Thomas West, Dennis M. Beekman, David M. Foye, Korwin Jay Anderson | 2017-03-28 |