Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8674638 | Determining initial rotor position of an alternating current motor | Roman Filka | 2014-03-18 |
| 8604735 | Method and apparatus for control of an AC electric motor with field weakening | Roman Filka | 2013-12-10 |
| 8217605 | Motor controller for determining a position of a rotor of an AC motor, AC motor system, and method of determining a position of a rotor of an AC motor | Roman Filka | 2012-07-10 |