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Oil Return, Superheat and Insulation Design
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Publication number 20090272137
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Publication date Nov 5, 2009
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EARTH TO AIR SYSTEMS, LLC
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B. Ryland Wiggs
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Direct Exchange System Design Improvements
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Publication number 20090133424
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Publication date May 28, 2009
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EARTH TO AIR SYSTEMS, LLC
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B. Ryland Wiggs
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Double DX Hydronic System
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Publication number 20090120606
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Publication date May 14, 2009
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EARTH TO AIR, LLC
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B. Ryland Wiggs
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F24 - HEATING RANGES VENTILATING
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Advanced DX System Design Improvements
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Publication number 20090095442
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Publication date Apr 16, 2009
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EARTH TO AIR SYSTEMS, LLC
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B. Ryland Wiggs
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Direct exchange heating/cooling system
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Publication number 20090065173
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Publication date Mar 12, 2009
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EARTH TO AIR SYSTEMS, LLC
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B. Ryland Wiggs
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Heat Pump Dehumidification System
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Publication number 20070151280
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Publication date Jul 5, 2007
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B. Ryland Wiggs
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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