Wilhelm Appel

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Patents Grantslast 30 patents

Information Patent Grant
Method for operating a switched mode power supply with return of pr...
- Patent number 8,482,941
- Issue date Jul 9, 2013
- Siemens Aktiengesellschaft
- Wilhelm Appel
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Asymmetric half-bridge with reduced switch load
- Patent number 8,331,109
- Issue date Dec 11, 2012
- Siemens Aktiengesellschaft
- Wilhelm Appel
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for operating switched-mode power supply units
- Patent number 8,212,434
- Issue date Jul 3, 2012
- Siemens Aktiengesellschaft
- Wilhelm Appel
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrical connector element
- Patent number 7,927,156
- Issue date Apr 19, 2011
- Siemens AG Oesterreich
- Wilhelm Appel
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Electrical Connector Element
- Publication number 20100136807
- Publication date Jun 3, 2010
- Wilhelm Appel
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Circuit Arrangement for Reduced Switch Load
- Publication number 20100102786
- Publication date Apr 29, 2010
- Wilhelm Appel
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Method for operating switched-mode power supply units
- Publication number 20090207566
- Publication date Aug 20, 2009
- Wilhelm Appel
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Method for Operating a Switched Mode Power Supply With Return of Pr...
- Publication number 20090175054
- Publication date Jul 9, 2009
- Wilhelm Appel
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER