Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9318947 | Automatic AC bus voltage regulation for power distribution grids | Leo Francis Casey | 2016-04-19 |
| 8680720 | Automatic AC bus voltage regulation for power distribution grids | Leo Francis Casey | 2014-03-25 |
| 7554302 | Slip-controlled, wound-rotor induction machine for wind turbine and other applications | — | 2009-06-30 |
| 7514907 | Device, system, and method for providing a low-voltage fault ride-through for a wind generator farm | Janos Rajda, Anthony William Galbraith | 2009-04-07 |
| 6433520 | Dc power regulator incorporating high power ac to dc converter with controllable dc voltage and method of use | — | 2002-08-13 |
| 5889668 | Three-phase DC-to-AC power inverter with three-level poles | Scott Williams | 1999-03-30 |
| 5808452 | Power flow controller with dc-to-dc converter linking shunt and series connected inverters | Laszlo Gyugyi, Scott Williams | 1998-09-15 |
| 5734257 | Transmission line power controller with a continuously controllable voltage source responsive to a real power demand and a reactive power demand | Scott Williams, Laszlo Gyugyi | 1998-03-31 |
| 5712587 | Apparatus and method for simultaneously deactivating series-connected switching devices | Mark G. Gernhardt, Eric J. Stacey | 1998-01-27 |
| 5642007 | Series compensator inserting real and reactive impedance into electric power system for damping power oscillations | Laszlo Gyugyi | 1997-06-24 |
| 5594636 | Matrix converter circuit and commutating method | — | 1997-01-14 |
| 5347166 | Apparatus and method for switching high power levels | — | 1994-09-13 |
| 5343139 | Generalized fast, power flow controller | Laszlo Gyugyi | 1994-08-30 |
| 5329222 | Apparatus and method for dynamic voltage restoration of utility distribution networks | Laszlo Gyugyi, Charles Edwards, Miklos Sarkozi | 1994-07-12 |
| 5329221 | Advanced static var compensator control system | — | 1994-07-12 |
| 5315225 | Converter for synchronous motor starting | Theodore M. Heinrich | 1994-05-24 |
| 5309353 | Multiple reference frame controller for active filters and power line conditioners | Steven A. Moran | 1994-05-03 |
| 5227963 | Flat-top waveform generator and pulse-width modulator using same | — | 1993-07-13 |
| 5198746 | Transmission line dynamic impedance compensation system | Laszlo Gyugyi | 1993-03-30 |
| 5182508 | Reconfigurable AC induction motor drive for battery-powered vehicle | — | 1993-01-26 |
| 5168204 | Automatic motor torque and flux controller for battery-powered vehicle drive | — | 1992-12-01 |
| 5005115 | Forced-commutated current-source converter and AC motor drive using the same | — | 1991-04-02 |
| 4971178 | Elevator system with independent limiting of a speed pattern in terminal zones | Tac H. Nguyen | 1990-11-20 |
| 4962339 | Pole-tying current control apparatus | — | 1990-10-09 |
| 4959602 | Ac motor drive with improved voltage-source inverter | Kenneth C. Scott | 1990-09-25 |