David J. Gritter

Person

Southfield, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Acceleration estimator for speed rate control
- Patent number 10,491,149
- Issue date Nov 26, 2019
- DRS Power & Control Technologies, Inc.
- David J. Gritter
- G05 - CONTROLLING REGULATING
Information Patent Grant
Acceleration estimator for speed rate control
- Patent number 10,199,973
- Issue date Feb 5, 2019
- DRS Power & Control Technologies, Inc.
- David J. Gritter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inverter control when feeding high impedance loads
- Patent number 8,693,227
- Issue date Apr 8, 2014
- DRS Power & Control Technologies, Inc.
- David J. Gritter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Low voltage ride through
- Patent number 8,120,932
- Issue date Feb 21, 2012
- American Superconductor Corporation
- Douglas C. Folts
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power system having a voltage regulator with a notch filter
- Patent number 7,778,053
- Issue date Aug 17, 2010
- American Superconductor Corp.
- David J. Gritter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power system having a phase locked loop with a notch filter
- Patent number 6,977,827
- Issue date Dec 20, 2005
- American Superconductor Corporation
- David J. Gritter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Device and method for estimating the resistance of a stator winding...
- Patent number 6,621,291
- Issue date Sep 16, 2003
- Eaton Corporation
- Sang-Bin Lee
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus to detect a stator turn fault in an AC motor
- Patent number 6,611,771
- Issue date Aug 26, 2003
- Eaton Corporation
- Thomas G. Habetler
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and controlling the starting of an AC induction motor with c...
- Patent number 6,420,848
- Issue date Jul 16, 2002
- Eaton Corporation
- David J. Gritter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for controlling the starting of an induction motor utilizing...
- Patent number 6,407,529
- Issue date Jun 18, 2002
- Eaton Corporation
- David J. Gritter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for controlling the starting of an AC induction motor
- Patent number 6,380,708
- Issue date Apr 30, 2002
- Eaton Corporation
- David J. Gritter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Soild state protection circuit for electrical apparatus
- Patent number 6,356,423
- Issue date Mar 12, 2002
- Eaton Corporation
- Jerome Kenneth Hastings
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DV/DT limiting of inverter output voltage
- Patent number 5,633,790
- Issue date May 27, 1997
- Eaton Corporation
- David J. Gritter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Digital current regulator
- Patent number 5,537,308
- Issue date Jul 16, 1996
- Eaton Corporation
- David J. Gritter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bumpless rotating start
- Patent number 5,461,296
- Issue date Oct 24, 1995
- Eaton Corporation
- David M. Messersmith
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Stator flux oriented control
- Patent number 5,386,186
- Issue date Jan 31, 1995
- Eaton Corporation
- David J. Gritter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Isolated adjustable frequency AC inverter control
- Patent number 5,045,988
- Issue date Sep 3, 1991
- Eaton Corporation
- David J. Gritter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Waveform generator for inverter control
- Patent number 4,994,950
- Issue date Feb 19, 1991
- Eaton Corporation
- David J. Gritter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC braking of inverter-driven AC motors
- Patent number 4,990,844
- Issue date Feb 5, 1991
- Eaton Corporation
- David J. Gritter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current control for microprocessor motor drive
- Patent number 4,958,269
- Issue date Sep 18, 1990
- Eaton Corporation
- David Gritter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current mode motor control
- Patent number 4,825,132
- Issue date Apr 25, 1989
- Eaton Corporation
- David J. Gritter
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dual stack tachometer/generator
- Patent number 4,757,225
- Issue date Jul 12, 1988
- Eaton Corporation
- John H. Wolcott
- G01 - MEASURING TESTING
Information Patent Grant
Universal power transistor base drive control unit
- Patent number 4,749,876
- Issue date Jun 7, 1988
- Eaton Corporation
- Allan R. Gale
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Motor electrical positioning system and the application thereof wit...
- Patent number 4,698,562
- Issue date Oct 6, 1987
- Eaton Corporation
- Allan R. Gale
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Ferrite permanent magnet electrical machine and the application the...
- Patent number 4,651,066
- Issue date Mar 17, 1987
- Eaton Corporation
- David J. Gritter
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Mechanically shifted position senor for self-synchronous machines
- Patent number 4,638,224
- Issue date Jan 20, 1987
- Eaton Corporation
- David J. Gritter
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Self synchronous motor sensor switching arrangement
- Patent number 4,598,240
- Issue date Jul 1, 1986
- Eaton Corporation
- Allan R. Gale
- B60 - VEHICLES IN GENERAL
Information Patent Grant
EV drivetrain inverter with V/HZ optimization
- Patent number 4,590,413
- Issue date May 20, 1986
- Eaton Corporation
- David J. Gritter
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Base drive and overlap protection circuit
- Patent number 4,371,824
- Issue date Feb 1, 1983
- Eaton Corporation
- David J. Gritter
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
ACCELERATION ESTIMATOR FOR SPEED RATE CONTROL
- Publication number 20190109553
- Publication date Apr 11, 2019
- David J. Gritter
- G05 - CONTROLLING REGULATING
Information Patent Application
ACCELERATION ESTIMATOR FOR SPEED RATE CONTROL
- Publication number 20160065110
- Publication date Mar 3, 2016
- DRS POWER & CONTROL TECHNOLOGIES, INC.
- David J. Gritter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Inverter Control When Feeding High Impedance Loads
- Publication number 20130070505
- Publication date Mar 21, 2013
- DRS POWER & CONTROL TECHNOLOGIES, INC.
- David J. Gritter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LOW VOLTAGE RIDE THROUGH
- Publication number 20100002475
- Publication date Jan 7, 2010
- American Superconductor Corporation
- Douglas C. Folts
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Power system having a voltage regulator with a notch filter
- Publication number 20070189045
- Publication date Aug 16, 2007
- David J. Gritter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SYSTEM HAVING A PHASE LOCKED LOOP WITH A NOTCH FILTER
- Publication number 20050207190
- Publication date Sep 22, 2005
- David J. Gritter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Device and method for estimating the resistance of a stator winding...
- Publication number 20030034793
- Publication date Feb 20, 2003
- Sang-Bin Lee
- G01 - MEASURING TESTING

David J. Gritter

Person

Patents Grantslast 30 patents

Acceleration estimator for speed rate control

Acceleration estimator for speed rate control

Inverter control when feeding high impedance loads

Low voltage ride through

Power system having a voltage regulator with a notch filter

Power system having a phase locked loop with a notch filter

Device and method for estimating the resistance of a stator winding...

Method and apparatus to detect a stator turn fault in an AC motor

Method and controlling the starting of an AC induction motor with c...

Method for controlling the starting of an induction motor utilizing...

Method for controlling the starting of an AC induction motor

Soild state protection circuit for electrical apparatus

DV/DT limiting of inverter output voltage

Digital current regulator

Bumpless rotating start

Stator flux oriented control

Isolated adjustable frequency AC inverter control

Waveform generator for inverter control

DC braking of inverter-driven AC motors

Current control for microprocessor motor drive

Current mode motor control

Dual stack tachometer/generator

Universal power transistor base drive control unit

Motor electrical positioning system and the application thereof wit...

Ferrite permanent magnet electrical machine and the application the...

Mechanically shifted position senor for self-synchronous machines

Self synchronous motor sensor switching arrangement

EV drivetrain inverter with V/HZ optimization

Base drive and overlap protection circuit

Patents Applicationslast 30 patents

ACCELERATION ESTIMATOR FOR SPEED RATE CONTROL

ACCELERATION ESTIMATOR FOR SPEED RATE CONTROL

Inverter Control When Feeding High Impedance Loads

LOW VOLTAGE RIDE THROUGH

Power system having a voltage regulator with a notch filter

POWER SYSTEM HAVING A PHASE LOCKED LOOP WITH A NOTCH FILTER

Device and method for estimating the resistance of a stator winding...