Inventor · disambiguated record
David J. Gritter
Also filed as: GRITTER DAVID · GRITTER DAVID J · GRITTER DAVID JAMES
33 granted patents·1,271 citations·filing 1975–2018
98Inventor score
Files withEATON CORP23BORG WARNER4AMERICAN SUPERCONDUCTOR CORP2DRS POWER & CONTROL TECH INC2FOLTS DOUGLAS C1
Top patents by PatentIndex Score
33 records- 0197US4371824ABase drive and overlap protection circuitEATON CORP·Filed 1979·Granted Feb 1, 1983·94 cites·30 claims
- 0296US4651066AFerrite permanent magnet electrical machine and the application thereof within vehicle traction drivesEATON CORP·Filed 1984·Granted Mar 17, 1987·110 cites·5 claims
- 0393US5045988AIsolated adjustable frequency AC inverter controlEATON CORP·Filed 1990·Granted Sep 3, 1991·296 cites·7 claims
- 0492US6611771B1Method and apparatus to detect a stator turn fault in an AC motorEATON CORP·Filed 2000·Granted Aug 26, 2003·62 cites·40 claims
- 0589US4698562AMotor electrical positioning system and the application thereof within vehicle traction drivesEATON CORP·Filed 1986·Granted Oct 6, 1987·56 cites·15 claims
- 0688US6356423B1Soild state protection circuit for electrical apparatusEATON CORP·Filed 2000·Granted Mar 12, 2002·55 cites·19 claims
- 0788US4958269ACurrent control for microprocessor motor driveEATON CORP·Filed 1988·Granted Sep 18, 1990·49 cites·14 claims
- 0888US4825132ACurrent mode motor controlEATON CORP·Filed 1987·Granted Apr 25, 1989·58 cites·11 claims
- 0987US6621291B2Device and method for estimating the resistance of a stator winding for an AC induction motorEATON CORP·Filed 2001·Granted Sep 16, 2003·37 cites·23 claims
- 1085US8120932B2Low voltage ride throughFOLTS DOUGLAS C·Filed 2008·Granted Feb 21, 2012·26 cites·26 claims
- 1182US4598240ASelf synchronous motor sensor switching arrangementEATON CORP·Filed 1984·Granted Jul 1, 1986·37 cites·5 claims
- 1280US6977827B2Power system having a phase locked loop with a notch filterAMERICAN SUPERCONDUCTOR CORP·Filed 2004·Granted Dec 20, 2005·35 cites·20 claims
- 1380US4994950AWaveform generator for inverter controlEATON CORP·Filed 1990·Granted Feb 19, 1991·58 cites·6 claims
- 1479US4638224AMechanically shifted position senor for self-synchronous machinesEATON CORP·Filed 1984·Granted Jan 20, 1987·31 cites·5 claims
- 1577US4590413AEV drivetrain inverter with V/HZ optimizationEATON CORP·Filed 1984·Granted May 20, 1986·27 cites·9 claims
- 1674US4990844ADC braking of inverter-driven AC motorsEATON CORP·Filed 1989·Granted Feb 5, 1991·27 cites·4 claims
- 1771US4041368AThree-phase, quasi-square wave VSCF induction generator systemBORG WARNER·Filed 1976·Granted Aug 9, 1977·16 cites·11 claims
- 1869US5633790ADV/DT limiting of inverter output voltageEATON CORP·Filed 1995·Granted May 27, 1997·31 cites·7 claims
- 1968US7778053B2Power system having a voltage regulator with a notch filterAMERICAN SUPERCONDUCTOR CORP·Filed 2006·Granted Aug 17, 2010·8 cites·19 claims
- 2068US6380708B1Method for controlling the starting of an AC induction motorEATON CORP·Filed 2000·Granted Apr 30, 2002·18 cites·26 claims
- 2167US6420848B1Method and controlling the starting of an AC induction motor with closed loop current controlEATON CORP·Filed 2000·Granted Jul 16, 2002·17 cites·14 claims
- 2266US10491149B2Acceleration estimator for speed rate controlDRS POWER & CONTROL TECH INC·Filed 2018·Granted Nov 26, 2019·0 cites·20 claims
- 2366US6407529B1Method for controlling the starting of an induction motor utilizing closed loop alpha controlEATON CORP·Filed 2000·Granted Jun 18, 2002·17 cites·12 claims
- 2466US5537308ADigital current regulatorEATON CORP·Filed 1993·Granted Jul 16, 1996·25 cites·30 claims
- 2564US4749876AUniversal power transistor base drive control unitEATON CORP·Filed 1986·Granted Jun 7, 1988·14 cites·14 claims
- 2659US5386186AStator flux oriented controlEATON CORP·Filed 1993·Granted Jan 31, 1995·18 cites·21 claims
- 2758US10199973B2Acceleration estimator for speed rate controlDRS POWER & CONTROL TECH INC·Filed 2014·Granted Feb 5, 2019·0 cites·16 claims
- 2858US5461296ABumpless rotating startEATON CORP·Filed 1993·Granted Oct 24, 1995·19 cites·9 claims
- 2955US3982170AVariable speed, constant frequency induction generator systemBORG WARNER·Filed 1975·Granted Sep 21, 1976·9 cites·12 claims
- 3053US3964086AComplementary commutation circuit for bipolar inverterBORG WARNER·Filed 1975·Granted Jun 15, 1976·9 cites·4 claims
- 3147US4006398AExcitation system for multi-phase induction generatorBORG WARNER·Filed 1975·Granted Feb 1, 1977·9 cites·5 claims
- 3235US8693227B2Inverter control when feeding high impedance loadsGRITTER DAVID J·Filed 2011·Granted Apr 8, 2014·0 cites·20 claims
- 3331US4757225ADual stack tachometer/generatorEATON CORP·Filed 1987·Granted Jul 12, 1988·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →