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Shell and tube heat exchanger
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Patent number 5,894,883
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Issue date Apr 20, 1999
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Phillips Petroleum Company
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Matthew C. Gentry
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger
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Patent number 4,645,001
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Issue date Feb 24, 1987
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ArmaturJonsson AB
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Bjorn I. Hillerstrom
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3913531
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Patent number 3,913,531
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Issue date Oct 21, 1975
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F28 - HEAT EXCHANGE IN GENERAL
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3821983
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Patent number 3,821,983
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Issue date Jul 2, 1974
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3805890
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Patent number 3,805,890
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Issue date Apr 23, 1974
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F28 - HEAT EXCHANGE IN GENERAL
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3587732
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Patent number 3,587,732
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Issue date Jun 28, 1971
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F28 - HEAT EXCHANGE IN GENERAL
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3566961
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Patent number 3,566,961
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Issue date Mar 2, 1971
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F28 - HEAT EXCHANGE IN GENERAL
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3545537
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Patent number 3,545,537
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Issue date Dec 8, 1970
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F28 - HEAT EXCHANGE IN GENERAL
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3532160
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Patent number 3,532,160
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Issue date Oct 6, 1970
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F28 - HEAT EXCHANGE IN GENERAL
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3507323
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Patent number 3,507,323
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Issue date Apr 21, 1970
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F28 - HEAT EXCHANGE IN GENERAL
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3503440
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Patent number 3,503,440
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Issue date Mar 31, 1970
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F28 - HEAT EXCHANGE IN GENERAL
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3444924
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Patent number 3,444,924
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Issue date May 20, 1969
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F28 - HEAT EXCHANGE IN GENERAL
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3387652
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Patent number 3,387,652
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Issue date Jun 11, 1968
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F22 - STEAM GENERATION
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3351131
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Patent number 3,351,131
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Issue date Nov 7, 1967
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F28 - HEAT EXCHANGE IN GENERAL
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3125161
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Patent number 3,125,161
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Issue date Mar 17, 1964
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F22 - STEAM GENERATION
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2844360
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Patent number 2,844,360
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Issue date Jul 22, 1958
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F28 - HEAT EXCHANGE IN GENERAL
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2820614
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Patent number 2,820,614
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Issue date Jan 21, 1958
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F28 - HEAT EXCHANGE IN GENERAL
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2655350
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Patent number 2,655,350
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Issue date Oct 13, 1953
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F28 - HEAT EXCHANGE IN GENERAL
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2607567
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Patent number 2,607,567
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Issue date Aug 19, 1952
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F28 - HEAT EXCHANGE IN GENERAL
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2245720
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Patent number 2,245,720
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Issue date Jun 17, 1941
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F28 - HEAT EXCHANGE IN GENERAL
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1848197
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Patent number 1,848,197
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Issue date Mar 8, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1769743
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Patent number 1,769,743
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Issue date Jul 1, 1930
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F28 - HEAT EXCHANGE IN GENERAL
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1055196
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Patent number 1,055,196
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Issue date Mar 4, 1913
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F28 - HEAT EXCHANGE IN GENERAL
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764004
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Patent number 764,004
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Issue date Jul 5, 1904
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F28 - HEAT EXCHANGE IN GENERAL
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704454
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Patent number 704,454
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Issue date Jul 8, 1902
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F28 - HEAT EXCHANGE IN GENERAL
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514935
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Patent number 514,935
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Issue date Feb 20, 1894
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F28 - HEAT EXCHANGE IN GENERAL