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Thomas Demuth
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Limbach-Oberfrohna, DE
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Patents Grants
last 30 patents
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Patent Grant
Pitch system for a wind energy system and method for operating a pi...
Patent number
8,933,577
Issue date
Jan 13, 2015
Siemens Aktiengesellschaft
Karsten Ahnert
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Electrical motor drive and method for operating such electrical mot...
Patent number
7,676,284
Issue date
Mar 9, 2010
Siemens Aktiengesellschaft
Gunther Birk
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
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Patent Application
PITCH SYSTEM FOR A WIND ENERGY SYSTEM AND METHOD FOR OPERATING A PI...
Publication number
20130088010
Publication date
Apr 11, 2013
SIEMENS AKTIENGESELLSCHAFT
Karsten Ahnert
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
Electrical motor drive and method for operating such electrical mot...
Publication number
20080091294
Publication date
Apr 17, 2008
Gunther Birk
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER