Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870338 | Load commutated inverter (LCI) induction motor drive | — | 1989-09-26 |
| 4847747 | Commutation circuit for load-commutated inverter induction motor drives | — | 1989-07-11 |
| 4833389 | Current source inverter control system for load commutated induction motor drive | Leonard J. Kovalsky | 1989-05-23 |
| 4811236 | Transmission line voltage detector for static VAR generator | Michael B. Brennen | 1989-03-07 |
| 4746850 | Start-up system for a synchronous motor drive | — | 1988-05-24 |
| 4713743 | Load-commutated inverter and synchronous motor drive embodying the same | — | 1987-12-15 |
| 4672288 | Torque controller for an AC motor drive and AC motor drive embodying the same | — | 1987-06-09 |
| 4644248 | Line fault tolerant synchronous timing reference generator for static VAR generators | Michael B. Brennen | 1987-02-17 |
| 4577269 | Apparatus for efficient use of a microprocessor to control thyristors | — | 1986-03-18 |
| 4520298 | Method and apparatus for sampling output AC currents in a voltage-fed inverter power supply | — | 1985-05-28 |
| 4442393 | Apparatus and method for determining the operation of an induction motor | — | 1984-04-10 |
| 4203040 | Force commutated static isolator circuit | Eric J. Stacey | 1980-05-13 |