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Heat exchanger
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Patent number 4,577,682
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Issue date Mar 25, 1986
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GA Technologies Inc.
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Jack S. Yampolsky
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger tube supports
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Patent number 4,286,654
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Issue date Sep 1, 1981
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Foster Wheeler Limited
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Anthony Ruhe
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchangers
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Patent number 4,050,511
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Issue date Sep 27, 1977
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The Babcock & Wilcox Company
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Bertrand N. McDonald
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F28 - HEAT EXCHANGE IN GENERAL
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Shell and tube heat exchanger
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Patent number 3,942,589
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Issue date Mar 9, 1976
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Deutsche Babcock & Wilcox Aktiengesellschaft
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Rudolf Opitzer
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F28 - HEAT EXCHANGE IN GENERAL
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3802499
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Patent number 3,802,499
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Issue date Apr 9, 1974
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F28 - HEAT EXCHANGE IN GENERAL
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3526273
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Patent number 3,526,273
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Issue date Sep 1, 1970
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F28 - HEAT EXCHANGE IN GENERAL
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3522840
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Patent number 3,522,840
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Issue date Aug 4, 1970
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F28 - HEAT EXCHANGE IN GENERAL
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3403727
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Patent number 3,403,727
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Issue date Oct 1, 1968
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F28 - HEAT EXCHANGE IN GENERAL
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3384166
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Patent number 3,384,166
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Issue date May 21, 1968
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3187807
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Patent number 3,187,807
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Issue date Jun 8, 1965
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F28 - HEAT EXCHANGE IN GENERAL
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3100523
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Patent number 3,100,523
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Issue date Aug 13, 1963
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F28 - HEAT EXCHANGE IN GENERAL
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2003815
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Patent number 2,003,815
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Issue date Jun 4, 1935
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F28 - HEAT EXCHANGE IN GENERAL
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1962362
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Patent number 1,962,362
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Issue date Jun 12, 1934
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F28 - HEAT EXCHANGE IN GENERAL
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1840940
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Patent number 1,840,940
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Issue date Jan 12, 1932
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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1397282
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Patent number 1,397,282
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Issue date Nov 15, 1921
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F24 - HEATING RANGES VENTILATING
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706902
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Patent number 706,902
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Issue date Aug 12, 1902
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F28 - HEAT EXCHANGE IN GENERAL
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596330
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Patent number 596,330
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Issue date Dec 28, 1897
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F28 - HEAT EXCHANGE IN GENERAL
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216439
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Patent number 216,439
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Issue date Jun 10, 1879
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F28 - HEAT EXCHANGE IN GENERAL