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Energy recovery ventilator
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Patent number 9,062,890
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Issue date Jun 23, 2015
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Carrier Corporation
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Jeffrey T. Benoit
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F28 - HEAT EXCHANGE IN GENERAL
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Plate-type heat exchanger
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Patent number 7,152,670
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Issue date Dec 26, 2006
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Carrier Corporation
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Gregory M. Dobbs
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F28 - HEAT EXCHANGE IN GENERAL
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Plate-type heat exchanger
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Patent number 6,684,943
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Issue date Feb 3, 2004
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Carrier Corporation
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Gregory M. Dobbs
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F28 - HEAT EXCHANGE IN GENERAL
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Cylindrical heat exchanger
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Patent number 6,233,824
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Issue date May 22, 2001
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Carrier Corporation
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Gregory M. Dobbs
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F24 - HEATING RANGES VENTILATING
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