Wilhelm Kramer

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Sandhausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Medium frequency transformer
- Patent number 9,437,356
- Issue date Sep 6, 2016
- STS Spezial-Transformatoren-Stockach GmbH & Co. KG
- Wilhelm Krämer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Converter-fed drive system
- Patent number 5,914,872
- Issue date Jun 22, 1999
- ABB Daimler-Benz Transportation (Technology) GmbH
- Wilhelm Kramer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Contact arrangement
- Patent number 4,315,122
- Issue date Feb 9, 1982
- BBC Brown, Boveri & Company, Ltd.
- Wilhelm Kramer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for producing dry, compressed air for electric...
- Patent number 4,211,542
- Issue date Jul 8, 1980
- BBC Brown Boveri & Company Limited
- Wilhelm Kramer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
MEDIUM FREQUENCY TRANSFORMER
- Publication number 20140159846
- Publication date Jun 12, 2014
- Wilhelm Krämer
- H01 - BASIC ELECTRIC ELEMENTS