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Condenser
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Patent number 4,592,419
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Issue date Jun 3, 1986
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Hitachi, Ltd.
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Keizo Ishida
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F28 - HEAT EXCHANGE IN GENERAL
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3710856
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Patent number 3,710,856
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Issue date Jan 16, 1973
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F28 - HEAT EXCHANGE IN GENERAL
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1560679
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Patent number 1,560,679
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Issue date Nov 10, 1925
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F24 - HEATING RANGES VENTILATING
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1543911
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Patent number 1,543,911
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Issue date Jun 30, 1925
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F22 - STEAM GENERATION
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1499079
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Patent number 1,499,079
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Issue date Jun 24, 1924
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1230557
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Patent number 1,230,557
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Issue date Jun 19, 1917
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F28 - HEAT EXCHANGE IN GENERAL
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1209578
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Patent number 1,209,578
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Issue date Dec 19, 1916
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F28 - HEAT EXCHANGE IN GENERAL
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916404
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Patent number 916,404
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Issue date Mar 30, 1909
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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791963
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Patent number 791,963
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Issue date Jun 6, 1905
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F28 - HEAT EXCHANGE IN GENERAL
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604607
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Patent number 604,607
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Issue date May 24, 1898
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F28 - HEAT EXCHANGE IN GENERAL
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570435
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Patent number 570,435
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F28 - HEAT EXCHANGE IN GENERAL
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349103
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Patent number 349,103
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Issue date Sep 14, 1886
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F28 - HEAT EXCHANGE IN GENERAL
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220110
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Patent number 220,110
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F28 - HEAT EXCHANGE IN GENERAL
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171175
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Patent number 171,175
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F28 - HEAT EXCHANGE IN GENERAL
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56130
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Patent number 56,130
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F28 - HEAT EXCHANGE IN GENERAL
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25159
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Patent number 25,159
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F28 - HEAT EXCHANGE IN GENERAL
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22916
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Patent number 22,916
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F28 - HEAT EXCHANGE IN GENERAL
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7486
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Patent number 7,486
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Issue date Jul 9, 1850
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F28 - HEAT EXCHANGE IN GENERAL