Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11018606 | Linear hall effect sensors for multi-phase permanent magnet motors with PWM drive | Ward R. Brown | 2021-05-25 |
| 10135369 | Linear hall effect sensors for multi-phase permanent magnet motors with PWM drive | Ward R. Brown | 2018-11-20 |
| 9071172 | Sine modified trapezoidal drive for brushless DC motors | Ward R. Brown | 2015-06-30 |
| 8310126 | Radial flux permanent magnet AC motor/generator | Thomas H. Hopkins, Nicholas R. Bries, Scott T. Graham, Patrick J. STOEVER | 2012-11-13 |
| 5075605 | Inner-rotor commutation device | Frank S. Nolt | 1991-12-24 |
| 5012167 | Sinusoidal signal decoder for 12-step motor commutation | — | 1991-04-30 |
| 4758768 | 12-step commutation device for an electric motor | Richard Colin Green | 1988-07-19 |
| D287715 | Direct current electric motors | Charles A. Pittman, III | 1987-01-13 |
| 4556811 | Coil unit and coil form for electrical machines | — | 1985-12-03 |
| 4227101 | Stepper motor and adaptor ring | Vahe H. Malakian | 1980-10-07 |