Alexander Groehl

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Dolgesheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Gas-fired heating unit
- Patent number 7,708,555
- Issue date May 4, 2010
- Ceramat, S.Coop.
- Alexander Groehl
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Gas-fired heating apparatus
- Patent number 7,341,448
- Issue date Mar 11, 2008
- Ceramat, S.Coop.
- Alexander Groehl
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Gas-fired water heating apparatus
- Patent number 7,299,768
- Issue date Nov 27, 2007
- Ceramat, S.Coop.
- Alexander Groehl
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Gas-fired heating apparatus
- Patent number 7,252,052
- Issue date Aug 7, 2007
- Ceramat, S.Coop.
- Alexander Groehl
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Gas-fired water heater
- Patent number 6,945,196
- Issue date Sep 20, 2005
- Schott Spezialglas AG
- Stefan Hubert
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES

Patents Applicationslast 30 patents

Information Patent Application
Gas-fired heating unit
- Publication number 20060057531
- Publication date Mar 16, 2006
- Alexander Groehl
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
Gas-fired water heating apparatus
- Publication number 20060042564
- Publication date Mar 2, 2006
- Alexander Groehl
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
Gas-fired heating apparatus
- Publication number 20060014114
- Publication date Jan 19, 2006
- Alexander Groehl
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
Gas-fired heating apparatus
- Publication number 20050175951
- Publication date Aug 11, 2005
- Alexander Groehl
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES