David Todd

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Vancouver, CA

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Patents Grantslast 30 patents

Information Patent Grant
Geothermal exchange system incorporating a thermally superconductin...
- Patent number 7,451,612
- Issue date Nov 18, 2008
- Free Energy Solutions Inc.
- Lynn Mueller
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
Geothermal Exchange System Using A Thermally Superconducting Medium...
- Publication number 20070295477
- Publication date Dec 27, 2007
- Lynn Mueller
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Geothermal Exchange System Incorporating A Thermally Superconductin...
- Publication number 20070068184
- Publication date Mar 29, 2007
- Lynn Mueller
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...