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Furnace heat exchanger
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Patent number 7,096,933
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Issue date Aug 29, 2006
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Carrier Corporation
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Ninev Karl Zia
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F28 - HEAT EXCHANGE IN GENERAL
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Furnace heat exchanger
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Patent number 6,793,015
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Issue date Sep 21, 2004
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Carrier Corporation
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Michael Lee Brown
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Furnace heat exchanger
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Patent number 6,484,798
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Issue date Nov 26, 2002
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Carrier Corporation
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Shailesh Sharad Manohar
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F28 - HEAT EXCHANGE IN GENERAL
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Furnace heat exchanger
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Patent number 6,470,878
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Issue date Oct 29, 2002
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Carrier Corporation
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Michael Lee Brown
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F24 - HEATING RANGES VENTILATING
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Low emission combustion system
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Patent number 6,145,501
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Issue date Nov 14, 2000
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Carrier Corporation
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Shailesh Sharad Manohar
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F24 - HEATING RANGES VENTILATING