Inventor

Colin D. Schauder

Inventor

Murrysville, PA, US

Overview

36→

Patents

1984–2016

Patent span

Electricity

Primary field (CPC H)

Patents· 36 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Mprimary

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems22%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters22%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%

H02JElectric power networks16%

G05FSystems for regulating electric or magnetic variables5%

B60LPropulsion of electrically-propelled vehicles3%

H03KPulse technique3%

Y02TClimate change mitigation technologies related to transportation3%

B66BElevators2%

F03DWind motors2%

PatentTitleYear

9,318,947'Automatic AC bus voltage regulation for power distribution grids'2016 8,680,720'Automatic AC bus voltage regulation for power distribution grids'2014 7,554,302'Slip-controlled, wound-rotor induction machine for wind turbine and other applications'2009 7,514,907'Device, system, and method for providing a low-voltage fault ride-through for a wind generator farm'2009 6,433,520'Dc power regulator incorporating high power ac to dc converter with controllable dc voltage and method of use'2002 5,889,668'Three-phase DC-to-AC power inverter with three-level poles'1999 5,808,452'Power flow controller with dc-to-dc converter linking shunt and series connected inverters'1998 5,734,257'Transmission line power controller with a continuously controllable voltage source responsive to a real power demand and a reactive power demand'1998 5,712,587'Apparatus and method for simultaneously deactivating series-connected switching devices'1998 5,642,007'Series compensator inserting real and reactive impedance into electric power system for damping power oscillations'1997 5,594,636'Matrix converter circuit and commutating method'1997 5,347,166'Apparatus and method for switching high power levels'1994 5,343,139'Generalized fast, power flow controller'1994 5,329,221'Advanced static var compensator control system'1994 5,329,222'Apparatus and method for dynamic voltage restoration of utility distribution networks'1994 5,315,225'Converter for synchronous motor starting'1994 5,309,353'Multiple reference frame controller for active filters and power line conditioners'1994 5,227,963'Flat-top waveform generator and pulse-width modulator using same'1993 5,198,746'Transmission line dynamic impedance compensation system'1993 5,182,508'Reconfigurable AC induction motor drive for battery-powered vehicle'1993 5,168,204'Automatic motor torque and flux controller for battery-powered vehicle drive'1992 5,005,115'Forced-commutated current-source converter and AC motor drive using the same'1991 4,971,178'Elevator system with independent limiting of a speed pattern in terminal zones'1990 4,962,339'Pole-tying current control apparatus'1990 4,959,602'Ac motor drive with improved voltage-source inverter'1990 4,885,518'Induction motor torque/flux control system'1989 4,862,054'Tacho-less vector control adaptive system for motor drive'1989 4,833,588'Direct AC/AC converter system'1989 4,814,964'Variable speed a-c drive'1989 4,805,082'Regenerative two-quadrant converter'1989 4,713,745'Vector-controlled unrestricted frequency changer (UFC) system and variable speed AC motor drive using such a system'1987 4,707,651'Voltage-controlled field-oriented induction motor control system'1987 4,697,131'Voltage source inverter and variable frequency, constant voltage AC motor drive embodying the same'1987 4,648,022'Matrix converter control system'1987 4,642,751'Hidden DC-link AC/AC converter using bilateral power switches'1987 4,479,082'Motor control system'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Based in Warwickshire, GB· patent location history

1987–1997Patents assigned to WESTINGHOUSE ELECTRIC CORP (21)· patent assignee history

1987–2016Based in Murrysville, PA, US· patent location history

1994–1999Patents assigned to ELECTRIC POWER RES INST (6)· patent assignee history

2009Patents assigned to SATCON TECHNOLOGY CORP (2)· patent assignee history

2014–2016Patents assigned to PERFECT GALAXY INTERNAT LTD (2)· patent assignee history

2014Patents assigned to CASEY LEO F (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WESTINGHOUSE ELECTRIC CORP	21	1987–1997
ELECTRIC POWER RES INST	6	1994–1999
PERFECT GALAXY INTERNAT LTD	2	2014–2016
SATCON TECHNOLOGY CORP	2	2009
CASEY LEO F	1	2014

Locations

Location	Patents	Span
Murrysville, Pennsylvania, US	35	1987–2016
Warwickshire, GB	1	1984