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Patent applications and USPTO patent grants for Ambs; Rex K..The latest application filed is for "hybrid heating and cooling system".
Patent | Date |
---|---|
Hybrid heating and cooling system Grant 7,228,696 - Ambs , et al. June 12, 2 | 2007-06-12 |
Hybrid heating and cooling system App 20060288724 - Ambs; Rex K. ;   et al. | 2006-12-28 |
Defrost subcircuit for air-to-air heat pump Grant 5,983,660 - Kiessel , et al. November 16, 1 | 1999-11-16 |
Geothermal subcircuit for air conditioning unit Grant 5,937,665 - Kiessel , et al. August 17, 1 | 1999-08-17 |
Heat exchanger and heat pump circuit Grant 5,875,644 - Ambs , et al. March 2, 1 | 1999-03-02 |
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