Stefan S. Bertsch

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Lafayette, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Heat pump system with multi-stage compression
- Patent number 7,810,353
- Issue date Oct 12, 2010
- Purdue Research Foundation
- Eckard A. Groll
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Heat pump system with multi-stage compression
- Patent number 7,654,104
- Issue date Feb 2, 2010
- Purdue Research Foundation
- Eckard A. Groll
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
HEAT PUMP SYSTEM WITH MULTI-STAGE COMPRESSION
- Publication number 20060266063
- Publication date Nov 30, 2006
- Purdue Research Foundation
- Eckard A. Groll
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
HEAT PUMP SYSTEM WITH MULTI-STAGE COMPRESSION
- Publication number 20060266074
- Publication date Nov 30, 2006
- Purdue Research Foundation
- Eckard A. Groll
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...