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Franz Wohrer
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Patents Grants
last 30 patents
Information
Patent Grant
Quenching device for a converter bridge with line regeneration
Patent number
7,583,047
Issue date
Sep 1, 2009
Siemens AG Osterreich
Thomas Biribauer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Quenching device for a converter bridge with line regeneration
Patent number
7,443,129
Issue date
Oct 28, 2008
Siemens Österreich
Thomas Biribauer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Protective circuit for a network-controlled thyristor bridge
Patent number
6,903,911
Issue date
Jun 7, 2005
Siemens AG Osterreich
Wilhelm Reischer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Device for controlling the field current of DC motors
Patent number
4,845,413
Issue date
Jul 4, 1989
Siemens Aktiengesellschaft
Franz Hackl
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Measuring apparatus for determining the countervoltage of electric...
Patent number
4,810,955
Issue date
Mar 7, 1989
Siemens Aktiengesellschaft
Franz Hackl
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Quenching Device for a Converter Bridge with Line Regeneration
Publication number
20080084719
Publication date
Apr 10, 2008
Thomas Biribauer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Quenching Device for a Converter Bridge with Line Regeneration
Publication number
20080037960
Publication date
Feb 14, 2008
Thomas Biribauer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Protective circuit for a network-controlled thyristor bridge
Publication number
20030160286
Publication date
Aug 28, 2003
Wilhelm Reischer
H01 - BASIC ELECTRIC ELEMENTS