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Heat exchanger unit
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Patent number 10,151,537
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Issue date Dec 11, 2018
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Doosan Heavy Industries Construction Co., Ltd.
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Jae Dal Lee
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F28 - HEAT EXCHANGE IN GENERAL
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-
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Heat exchanger and economizer
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Patent number 4,138,969
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Issue date Feb 13, 1979
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Applied Engineering Co.
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Garris A. Thompson
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F28 - HEAT EXCHANGE IN GENERAL
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2416273
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Patent number 2,416,273
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Issue date Feb 18, 1947
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F22 - STEAM GENERATION
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1951752
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Patent number 1,951,752
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Issue date Mar 20, 1934
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F22 - STEAM GENERATION