Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970963 | Temperature compensated current measurement | Christopher Rene Hewson, Joanne Marie Aberdeen | 2018-05-15 |
| 9606152 | Apparatus for current measurement | Christopher Rene Hewson, Joanne Marie Aberdeen | 2017-03-28 |
| 6614218 | Current measuring device | — | 2003-09-02 |
| 5804941 | Dual mode position control system with speed profiling | — | 1998-09-08 |
| 5563488 | Control of switched reluctance machines | John M. Stephenson | 1996-10-08 |
| 5545964 | Control of switched reluctance machines | John M. Stephenson | 1996-08-13 |
| 5469039 | Control of switched reluctance machines | John M. Stephenson | 1995-11-21 |
| 5467025 | Sensorless rotor position measurement in electric machines | — | 1995-11-14 |
| 5380994 | Microcomputer adapted for inventory control | — | 1995-01-10 |
| 4835408 | Power conversion circuit | Rex M. Davis | 1989-05-30 |
| 4563619 | Electric power converter circuit | Rex M. Davis | 1986-01-07 |
| 4387326 | Variable reluctance motor systems | Rex M. Davis | 1983-06-07 |
| 4360770 | Variable reluctance motor systems | Rex M. Davis | 1982-11-23 |
| 4348619 | Variable reluctance electric motor systems | Rex M. Davis | 1982-09-07 |
| 4253053 | Reluctance electric motor drive systems | Rex M. Davis | 1981-02-24 |