Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6013999 | Stepper motor control that adjusts to motor loading | David E. Howard | 2000-01-11 |
| 4649287 | Bidirectional control system for energy flow in solar powered flywheel | — | 1987-03-10 |
| 4644234 | Four quadrant control circuit for a brushless three-phase d.c. motor | — | 1987-02-17 |
| 4489243 | Solar powered actuator with continuously variable auxiliary power control | — | 1984-12-18 |
| 4473792 | Coupling an induction motor type generator to A.C. power lines | — | 1984-09-25 |
| 4469998 | Three-phase power factor controller with induced emf sensing | — | 1984-09-04 |
| 4459528 | Phase detector for three-phase power factor controller | — | 1984-07-10 |
| 4439718 | Motor power control circuit for A.C. induction motors | — | 1984-03-27 |
| 4433276 | Three phase power factor controller | — | 1984-02-21 |
| 4426614 | Pulsed thyristor trigger control circuit | — | 1984-01-17 |
| 4417190 | Control system for an induction motor with energy recovery | — | 1983-11-22 |
| 4404511 | Motor power factor controller with a reduced voltage starter | — | 1983-09-13 |
| 4400657 | Triac failure detector | — | 1983-08-23 |
| 4388585 | Electrical power generating system | — | 1983-06-14 |
| 4266177 | Power factor control system for AC induction motors | — | 1981-05-05 |