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David M. Erdman
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Fort Wayne, IN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method of assembling direct-drive generator
Patent number
7,966,716
Issue date
Jun 28, 2011
Danotek Motion Technologies
Daniel Gizaw
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Slow-speed direct-drive generator
Patent number
7,750,522
Issue date
Jul 6, 2010
Danotek Motion Technologies
Daniel Gizaw
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Permanent-magnet generator and method of cooling
Patent number
7,701,095
Issue date
Apr 20, 2010
Danotek Motion Technologies
Daniel Gizaw
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for forming an electric motor having stacked l...
Patent number
6,864,616
Issue date
Mar 8, 2005
General Electric Company
Robert K. Hollenbeck
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Assembly method for stamped and cupped laminations
Patent number
6,722,015
Issue date
Apr 20, 2004
General Electric Company
Robert Sirois
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method for fabricating motors of different outputs using standardiz...
Patent number
6,531,794
Issue date
Mar 11, 2003
General Electric Company
Subhash M. Brahmavar
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Methods and systems for minimizing vibration in electric machines
Patent number
6,483,265
Issue date
Nov 19, 2002
General Electric Company
Robert K. Hollenbeck
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Integral motor and control
Patent number
6,479,957
Issue date
Nov 12, 2002
General Electric Company
David M. Erdman
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Integral motor and control
Patent number
6,414,408
Issue date
Jul 2, 2002
General Electric Company
David M. Erdman
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Methods and apparatus for mounting motors
Patent number
6,378,849
Issue date
Apr 30, 2002
General Electric Company
David M. Erdman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Integral motor and control
Patent number
6,348,752
Issue date
Feb 19, 2002
General Electric Company
David M. Erdman
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Brushless D. C. motor and control assembly
Patent number
6,271,638
Issue date
Aug 7, 2001
General Electric Company
David M. Erdman
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Motor with external rotor
Patent number
6,239,532
Issue date
May 29, 2001
General Electric Company
Robert K. Hollenbeck
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Quadrature axis winding for sensorless rotor angular position contr...
Patent number
5,986,419
Issue date
Nov 16, 1999
General Electric Company
William R. Archer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Motor with external rotor
Patent number
5,986,379
Issue date
Nov 16, 1999
General Electric Company
Robert K. Hollenbeck
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Capacitively powered motor and constant speed control therefor
Patent number
5,982,122
Issue date
Nov 9, 1999
General Electric Company
Robert K. Hollenbeck
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Constant speed control for a motor
Patent number
5,847,524
Issue date
Dec 8, 1998
General Electric Company
David M. Erdman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Quadrature axis winding for sensorless rotor angular position contr...
Patent number
5,796,194
Issue date
Aug 18, 1998
General Electric Company
William R. Archer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Circuit, motor, and method generating a signal representing back EM...
Patent number
5,696,430
Issue date
Dec 9, 1997
General Electric Company
David M. Erdman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Two speed control circuit for a refrigerator fan
Patent number
5,657,638
Issue date
Aug 19, 1997
General Electric Company
David M. Erdman
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Electrical motor with a differential phase back EMF sensing circuit...
Patent number
5,646,491
Issue date
Jul 8, 1997
General Electric Company
David M. Erdman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Control system, electronically commutated motor system, draft induc...
Patent number
RE35124
Issue date
Dec 19, 1995
General Electric Company
David M. Erdman
318 - Electricity: motive power systems
Information
Patent Grant
Motor controls, refrigeration systems and methods of motor operatio...
Patent number
5,376,866
Issue date
Dec 27, 1994
General Electric Company
David M. Erdman
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Motor controls, refrigeration systems and methods of motor operatio...
Patent number
5,227,704
Issue date
Jul 13, 1993
General Electric Company
David M. Erdman
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Motor controls, refrigeration systems and methods of motor operatio...
Patent number
5,125,067
Issue date
Jun 23, 1992
General Electric Company
David M. Erdman
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Control system, electronically commutated motor system, draft induc...
Patent number
5,075,608
Issue date
Dec 24, 1991
David M. Erdman
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Dynamic vehicle suspension system including electronically commutat...
Patent number
5,028,073
Issue date
Jul 2, 1991
General Electric Company
Harold B. Harms
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Control circuits, electronically commutated motor systems and methods
Patent number
5,023,527
Issue date
Jun 11, 1991
General Electric Company
David M. Erdman
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Gearless direct drive switched reluctance motor for laundry applica...
Patent number
4,998,052
Issue date
Mar 5, 1991
General Electric Company
David M. Erdman
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Axial flow fan integral with electronically commutated motor
Patent number
4,950,932
Issue date
Aug 21, 1990
General Electric Company
Harold B. Harms
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
SLOW-SPEED DIRECT-DRIVE GENERATOR
Publication number
20100251539
Publication date
Oct 7, 2010
Danotek Motion Technologies
Daniel Gizaw
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
SLOW-SPEED DIRECT-DRIVE GENERATOR
Publication number
20080036215
Publication date
Feb 14, 2008
Daniel Gizaw
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Permanent-magnet generator and method of cooling
Publication number
20080030085
Publication date
Feb 7, 2008
Danotek Motion Technologies, Inc.
Daniel Gizaw
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
COMPACT INTEGRATED BRUSHLESS PERMANENT-MAGNET MOTOR & DRIVE
Publication number
20080030088
Publication date
Feb 7, 2008
Daniel Gizaw
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Method for fabricating motors of different outputs using standardiz...
Publication number
20030127929
Publication date
Jul 10, 2003
Subhash M. Brahmavar
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Integral motor and control
Publication number
20030098660
Publication date
May 29, 2003
David M. Erdman
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Method and apparatus for forming an electric motor having stacked l...
Publication number
20030067243
Publication date
Apr 10, 2003
Robert K. Hollenbeck
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Assembly method for stamped and cupped laminations
Publication number
20030029023
Publication date
Feb 13, 2003
Robert Sirois
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Multi-speed motor control
Publication number
20010011879
Publication date
Aug 9, 2001
David M. Erdman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER