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Heat exchanger
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Patent number 6,079,487
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Issue date Jun 27, 2000
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Multibras S/A Eletrodomesticos
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Luis Antonio Diemer Lopes
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F28 - HEAT EXCHANGE IN GENERAL
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Fin tube heat exchanger
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Patent number 5,667,006
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Issue date Sep 16, 1997
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LG Electronics, Inc.
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Tae Wook Kang
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F28 - HEAT EXCHANGE IN GENERAL
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Fin-tube type heat exchanger
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Patent number 5,170,842
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Issue date Dec 15, 1992
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Matsushita Refrigeration Company
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Kaoru Kato
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F28 - HEAT EXCHANGE IN GENERAL
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Fin tube heat exchanger
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Patent number 5,117,902
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Issue date Jun 2, 1992
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Matsushita Electric Industrial Co., Ltd.
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Hisao Kusuhara
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger
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Patent number 5,109,919
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Issue date May 5, 1992
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Mitsubishi Denki Kabushiki Kaisha
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Kiyoshi Sakuma
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F28 - HEAT EXCHANGE IN GENERAL
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Wavy heat transfer surface
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Patent number 5,056,594
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Issue date Oct 15, 1991
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American Standard Inc.
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Michael L. Kraay
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F28 - HEAT EXCHANGE IN GENERAL
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Louvered fin heat exchanger
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Patent number 5,042,576
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Issue date Aug 27, 1991
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Heatcraft Inc.
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John A. Broadbent
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger
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Patent number 4,909,319
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Issue date Mar 20, 1990
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Sanyo Electric Co., Ltd.
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Atuyumi Ishikawa
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger
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Patent number 4,907,646
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Issue date Mar 13, 1990
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Matsushita Electric Industrial Co., Ltd.
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Osamu Aoyagi
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F28 - HEAT EXCHANGE IN GENERAL
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Fin tube heat exchanger
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Patent number 4,832,117
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Issue date May 23, 1989
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Matsushita Refrigeration Company
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Kaoru Kato
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F28 - HEAT EXCHANGE IN GENERAL
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Turbulent heat exchanger
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Patent number 4,830,102
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Issue date May 16, 1989
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Kulkereskedelmi Transelektro Magyar Villamossagi Vallalat
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Arpad Bakay
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger
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Patent number 4,723,600
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Issue date Feb 9, 1988
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Matsushita Refrigeration Company
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Shoichi Yokoyama
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F28 - HEAT EXCHANGE IN GENERAL
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Tubular heat exchanger
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Patent number 4,169,502
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Issue date Oct 2, 1979
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Volkswagenwerk Aktiengesellschaft
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Erwin Kluck
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F28 - HEAT EXCHANGE IN GENERAL
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3916989
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Patent number 3,916,989
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Issue date Nov 4, 1975
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F28 - HEAT EXCHANGE IN GENERAL
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3631922
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Patent number 3,631,922
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Issue date Jan 4, 1972
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F28 - HEAT EXCHANGE IN GENERAL
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3438433
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Patent number 3,438,433
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Issue date Apr 15, 1969
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F28 - HEAT EXCHANGE IN GENERAL
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3437134
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Patent number 3,437,134
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Issue date Apr 8, 1969
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3319711
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Patent number 3,319,711
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Issue date May 16, 1967
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3305009
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Patent number 3,305,009
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Issue date Feb 21, 1967
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3250324
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Patent number 3,250,324
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Issue date May 10, 1966
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F28 - HEAT EXCHANGE IN GENERAL
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3223153
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Patent number 3,223,153
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Issue date Dec 14, 1965
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3135320
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Patent number 3,135,320
-
Issue date Jun 2, 1964
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F28 - HEAT EXCHANGE IN GENERAL
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2963277
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Patent number 2,963,277
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Issue date Dec 6, 1960
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F28 - HEAT EXCHANGE IN GENERAL
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1983549
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Patent number 1,983,549
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Issue date Dec 11, 1934
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F28 - HEAT EXCHANGE IN GENERAL
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1982931
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Patent number 1,982,931
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Issue date Dec 4, 1934
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F28 - HEAT EXCHANGE IN GENERAL
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1853315
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Patent number 1,853,315
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Issue date Apr 12, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1743861
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Patent number 1,743,861
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Issue date Jan 14, 1930
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F28 - HEAT EXCHANGE IN GENERAL
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1502301
-
Patent number 1,502,301
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Issue date Jul 22, 1924
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F28 - HEAT EXCHANGE IN GENERAL
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1453250
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Patent number 1,453,250
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Issue date Apr 24, 1923
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F28 - HEAT EXCHANGE IN GENERAL