Wilfried Groote

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Vellmar, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for determining a fault current portion in a d...
- Patent number 8,854,846
- Issue date Oct 7, 2014
- SMA Solar Technology AG
- Alexander Nuss
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for converting direct voltage into three phase alternating v...
- Patent number RE44901
- Issue date May 20, 2014
- SMA Solar Technology AG
- Holger Becker
- 307 - Electrical transmission or interconnection systems
Information Patent Grant
Determination of the load capability of a DC voltage source which i...
- Patent number 8,362,658
- Issue date Jan 29, 2013
- SMA Solar Technology AG
- Alexander Ahlborn
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for converting direct voltage into three-phase alternating v...
- Patent number 7,576,449
- Issue date Aug 18, 2009
- SMA Solar Technology AG
- Holger Becker
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Method and Apparatus for Determining a Fault Current Portion in a D...
- Publication number 20140043880
- Publication date Feb 13, 2014
- Alexander Nuss
- G01 - MEASURING TESTING
Information Patent Application
Determination of the load capability of a DC voltage source which i...
- Publication number 20100127576
- Publication date May 27, 2010
- SMA Solar Technology AG
- Alexander Ahlborn
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Method for converting direct voltage into three-phase alternating v...
- Publication number 20070179720
- Publication date Aug 2, 2007
- SMA Technologie AG
- Holger Becker
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...