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Stephan Engelhardt
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Sonsbeck, DE
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Patents Grants
last 30 patents
Information
Patent Grant
High accuracy mains filter monitoring for a multi-phase power system
Patent number
10,090,680
Issue date
Oct 2, 2018
Woodward Kempen GmbH
Dirk Volker Leiting
G01 - MEASURING TESTING
Information
Patent Grant
Direct power control with component separation
Patent number
8,698,461
Issue date
Apr 15, 2014
Woodward Kempen GmbH
Stephan Engelhardt
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Device for controlling a double-fed asynchronous machine
Patent number
8,653,683
Issue date
Feb 18, 2014
Woodward Kempen GmbH
Stephan Engelhardt
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Method for operating a wind energy installation
Patent number
8,487,461
Issue date
Jul 16, 2013
Woodward Kempen
Stephan Engelhardt
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method of and apparatus for compensation of oscillation effects in...
Patent number
8,415,818
Issue date
Apr 9, 2013
Woodward Kempen GmbH
Stephan Engelhardt
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Method for operating a wind turbine
Patent number
8,400,004
Issue date
Mar 19, 2013
Woodward Kempen GmbH
Stephan Engelhardt
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Protection system of a doubly-fed induction machine
Patent number
8,373,293
Issue date
Feb 12, 2013
Woodward Kempen GmbH
Stephan Engelhardt
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Current limitation for a double-fed asynchronous machine
Patent number
8,242,753
Issue date
Aug 14, 2012
Woodward Seg GmbH & Co KG
Stephan Engelhardt
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Filter Monitoring
Publication number
20170331296
Publication date
Nov 16, 2017
Woodward Kempen GmbH
Dirk Volker Leiting
G01 - MEASURING TESTING
Information
Patent Application
DEVICE FOR CONTROLLING A DOUBLE-FED ASYNCHRONOUS MACHINE
Publication number
20110260454
Publication date
Oct 27, 2011
Woodward Kempen GmbH
Stephan Engelhardt
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
DIRECT POWER CONTROL WITH COMPONENT SEPARATION
Publication number
20110215775
Publication date
Sep 8, 2011
Woodward Kempen GmbH
Stephan Engelhardt
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Protection System of a Doubly-fed Induction Machine
Publication number
20110210553
Publication date
Sep 1, 2011
Woodward Kempen GmbH
Stephan Engelhardt
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
METHOD OF AND APPARATUS FOR COMPENSATION OF OSCILLATION EFFECTS IN...
Publication number
20110153092
Publication date
Jun 23, 2011
WOODWARD SEG GMBH & CO. KG
Stephan Engelhardt
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
METHOD FOR OPERATING A WIND TURBINE
Publication number
20110006528
Publication date
Jan 13, 2011
WOODWARD SEG GMBH & CO. KG
Stephan Engelhardt
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
METHOD FOR OPERATING A WIND ENERGY INSTALLATION
Publication number
20100277134
Publication date
Nov 4, 2010
WOODWARD SEG GMBH & CO. KG
Stephan Engelhardt
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CURRENT LIMITATION FOR A DOUBLE-FED ASYNCHRONOUS MACHINE
Publication number
20090267572
Publication date
Oct 29, 2009
WOODWARD SEG GMBH & CO. KG
Stephan Engelhardt
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER