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Hans Pfitzer
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Wake Forest, NC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Self-testing power supply apparatus, methods and computer program p...
Patent number
7,948,778
Issue date
May 24, 2011
Eaton Corporation
Hans-Erik Pfitzer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power converter apparatus and methods using neutral coupling circui...
Patent number
7,800,924
Issue date
Sep 21, 2010
Eaton Corporation
George W. Oughton, Jr.
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power converter apparatus and methods using a phase reference deriv...
Patent number
7,561,451
Issue date
Jul 14, 2009
Eaton Corporation
John G. Tracy
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
AC power supply apparatus, methods and computer program products us...
Patent number
7,405,494
Issue date
Jul 29, 2008
Eaton Corporation
Frederick Tassitino, Jr.
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
PWM power supplies using controlled feedback timing and methods of...
Patent number
7,247,955
Issue date
Jul 24, 2007
Eaton Power Quality Corporation
John G. Tracy
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power conversion apparatus and methods using DC bus shifting
Patent number
7,088,601
Issue date
Aug 8, 2006
Eaton Power Quality Corporation
John G. Tracy
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Self-Testing Power Supply Apparatus, Methods and Computer Program P...
Publication number
20080265681
Publication date
Oct 30, 2008
EATON CORPORATION
Hans-Erik Pfitzer
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Power Converter Apparatus and Methods Using Neutral Coupling Circui...
Publication number
20080239775
Publication date
Oct 2, 2008
Eaton Power Quality Corporation
George W. Oughton
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
AC power supply apparatus, methods and computer program products us...
Publication number
20060006741
Publication date
Jan 12, 2006
Frederick Tassitino
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Self-testing power supply apparatus, methods and computer program p...
Publication number
20050286274
Publication date
Dec 29, 2005
Hans-Erik Pfitzer
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Power converter apparatus and methods using a phase reference deriv...
Publication number
20050243488
Publication date
Nov 3, 2005
John G. Tracy
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Power conversion apparatus and methods using DC bus shifting
Publication number
20050162137
Publication date
Jul 28, 2005
John G. Tracy
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
PWM power supplies using controlled feedback timing and methods of...
Publication number
20040046456
Publication date
Mar 11, 2004
John G. Tracy
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC