Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6751842 | Method of constructing a rotor for use in a high speed controlled-pole electric machine | Ronnie J. Barber | 2004-06-22 |
| 6229243 | Rotor construction for controlled-pole electric machines | Ronnie J. Barber | 2001-05-08 |
| 6020712 | Rotor control for synchronous AC machines | Ronnie J. Barber | 2000-02-01 |
| 5990590 | Versatile AC dynamo-electric machine | Ronnie J. Barber | 1999-11-23 |
| 5838085 | Versatile AC dynamo-electric machine | Ronnie J. Barber | 1998-11-17 |
| 4663536 | A.C. motor-generator | Ronnie J. Barber | 1987-05-05 |
| 4600873 | Synchronous A.C. motor | Ronnie J. Barber | 1986-07-15 |
| 4412170 | Motor-generator system providing prolonged uninterrupted power supply to a load | — | 1983-10-25 |
| 4406950 | Greatly prolonged period non-interruptible power supply system | — | 1983-09-27 |
| 4227136 | Variable speed A.C. motor | — | 1980-10-07 |