Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9391493 | Air cooled electric motor | Ngan Fai Leung, Stephen English, Matthew W. Critchley, Janice Fitzgerald, Joseph A. Henry +2 more | 2016-07-12 |
| 8519582 | Air cooled electric motor | Ngan Fai Leung, Stephen English, John R. Belko, Matthew W. Critchley, Janice Fitzgerald +2 more | 2013-08-27 |
| 8497611 | Motor end frame | Ngan Fai Leung | 2013-07-30 |
| 8390161 | Electric motor having a rain guard | Matthew W. Critchley | 2013-03-05 |
| 7898131 | External voltage change device | Ngan Fai Leung, Dennis Studebaker, Dennis A. Bush | 2011-03-01 |
| 6882070 | Electric motor having a terminal board | Chih-Min Lin, William J. Watkins | 2005-04-19 |
| 6045268 | Bearing lock clip for an electric motor | Norman R. Long | 2000-04-04 |