Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819077 | Method and apparatus for reducing sampling related errors in a modulating waveform generator used with a PWM controller | Russel J. Kerkman | 2004-11-16 |
| 6720748 | Static commissioning method and apparatus to identify rated flux current | Russel J. Kerkman | 2004-04-13 |
| 6690139 | Method and apparatus to limit motor current at low frequencies | — | 2004-02-10 |