Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459230 | Method and system for measuring a parameter of motor operation | — | 2002-10-01 |
| 5627447 | Method and apparatus for detecting current delay angle from motor terminal voltage | Peter Unsworth | 1997-05-06 |
| 5612605 | Auto boost for voltage/frequency motor controller | — | 1997-03-18 |
| 5543698 | Method and apparatus used with AC motor for detecting unbalance | John C. Merrison | 1996-08-06 |