Raphael Hoffmann

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Hamburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Modular pivotable solar collector arrangement
- Patent number 8,578,929
- Issue date Nov 12, 2013
- Voltwerk electronics GmbH
- Bernd Krabbe
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Modular Pivotable Solar Collector Arrangement
- Publication number 20100258110
- Publication date Oct 14, 2010
- voltwerk electronics GmbH
- Bernd Krabbe
- F24 - HEATING RANGES VENTILATING