Donald C. Lewis

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Brewer, ME, US

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Patents Grantslast 30 patents

Information Patent Grant
High temperature dehumidification drying system
- Patent number 9,651,308
- Issue date May 16, 2017
- Donald C. Lewis
- F26 - DRYING
Information Patent Grant
Cascading air-source heat pump
- Patent number 8,312,734
- Issue date Nov 20, 2012
- Donald C. Lewis
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Cold climate air-source heat pump
- Patent number 7,266,959
- Issue date Sep 11, 2007
- Donald Lewis
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
CASCADING AIR-SOURCE HEAT PUMP
- Publication number 20100077788
- Publication date Apr 1, 2010
- Nyle Special Products, LLC
- Donald C. LEWIS
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Cold climate air-source heat pump
- Publication number 20060168973
- Publication date Aug 3, 2006
- Donald Lewis
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...