Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7430830 | Fly swatter with integral disposal means | — | 2008-10-07 |
| 5337227 | Harmonic neutralization of static inverters by successive stagger | Eric J. Stacey | 1994-08-09 |
| 5210685 | Uninterruptible power supply system and load transfer static switch for such a system | — | 1993-05-11 |
| 5068774 | 24-pulse hexagon-type AC/DC static converter | — | 1991-11-26 |
| 4814964 | Variable speed a-c drive | Colin D. Schauder, Theodore M. Heinrich | 1989-03-21 |
| 4683527 | AC/DC or DC/AC converter system with outboard commutation inductors | — | 1987-07-28 |
| 4638138 | High frequency inverter circuit for melting and induction heating | William E. Frank | 1987-01-20 |
| 4460861 | Control system for machine commutated inverter-synchronous motor drives | — | 1984-07-17 |
| 4366532 | AC/DC or DC/AC Converter system with improved AC-line harmonic reduction | Raymond J. Radus | 1982-12-28 |
| 4358818 | Thyristor-controlled AC/DC converter system | — | 1982-11-09 |
| 4274135 | Gating circuit for high voltage thyristor strings | Laszlo Gyugyi | 1981-06-16 |
| 4255784 | Transformer-rectifier apparatus | — | 1981-03-10 |
| 4220911 | Thyristor tap changer for electrical inductive apparatus | — | 1980-09-02 |
| 4210860 | VAR Generator with current sensitive inductance break point | Laszlo Gyugyi | 1980-07-01 |