Ralf Winterstein

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Dettingen/Erms, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing a valve arrangement for an expansion valve
- Patent number 7,849,600
- Issue date Dec 14, 2010
- Otto Egelhof GmbH & Co. KG, Regelungstechnik
- Uta Andrä
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Expansion valve and method for controlling it
- Patent number 7,487,647
- Issue date Feb 10, 2009
- Otto Egelhof GmbH & Co. KG, Regelungstechnik
- Jean-Jacques Robin
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Circuit for the generation of cold or heat
- Patent number 7,328,592
- Issue date Feb 12, 2008
- Otto Egelholf GmbH & Co. KG
- Ralf Winterstein
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
Circuit for the generation of cold or heat
- Publication number 20060117792
- Publication date Jun 8, 2006
- Ralf Winterstein
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Device for opening and closing a passage orifice present in a housing
- Publication number 20050230424
- Publication date Oct 20, 2005
- Ralf Winterstein
- B60 - VEHICLES IN GENERAL
Information Patent Application
Expansion valve and method for controlling it
- Publication number 20050198979
- Publication date Sep 15, 2005
- Jean-Jacques Robin
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Method of producing a valve arrangement, in particular for an expan...
- Publication number 20050193562
- Publication date Sep 8, 2005
- Uta Andra
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR