thrown into working position by centrifugal force

Patents Grantslast 30 patents

  • Information Patent Grant

    Tube cleaning apparatus

    • Patent number 4,181,998
    • Issue date Jan 8, 1980
    • Carrier Corporation
    • Dana W. Nelson
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3104409

    • Patent number 3,104,409
    • Issue date Sep 24, 1963
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2672636

    • Patent number 2,672,636
    • Issue date Mar 23, 1954
    • F28 - HEAT EXCHANGE IN GENERAL
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    2629887

    • Patent number 2,629,887
    • Issue date Feb 24, 1953
    • F28 - HEAT EXCHANGE IN GENERAL
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    2597263

    • Patent number 2,597,263
    • Issue date May 20, 1952
    • F28 - HEAT EXCHANGE IN GENERAL
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    2500238

    • Patent number 2,500,238
    • Issue date Mar 14, 1950
    • F28 - HEAT EXCHANGE IN GENERAL
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    2411209

    • Patent number 2,411,209
    • Issue date Nov 19, 1946
    • F28 - HEAT EXCHANGE IN GENERAL
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    2366131

    • Patent number 2,366,131
    • Issue date Dec 26, 1944
    • F28 - HEAT EXCHANGE IN GENERAL
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    2351169

    • Patent number 2,351,169
    • Issue date Jun 13, 1944
    • F28 - HEAT EXCHANGE IN GENERAL
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    2351170

    • Patent number 2,351,170
    • Issue date Jun 13, 1944
    • F28 - HEAT EXCHANGE IN GENERAL
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    2283521

    • Patent number 2,283,521
    • Issue date May 19, 1942
    • F28 - HEAT EXCHANGE IN GENERAL
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    2283522

    • Patent number 2,283,522
    • Issue date May 19, 1942
    • F28 - HEAT EXCHANGE IN GENERAL
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    2279922

    • Patent number 2,279,922
    • Issue date Apr 14, 1942
    • F28 - HEAT EXCHANGE IN GENERAL
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    2272640

    • Patent number 2,272,640
    • Issue date Feb 10, 1942
    • F28 - HEAT EXCHANGE IN GENERAL
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    2257448

    • Patent number 2,257,448
    • Issue date Sep 30, 1941
    • F28 - HEAT EXCHANGE IN GENERAL
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    2240845

    • Patent number 2,240,845
    • Issue date May 6, 1941
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2199109

    • Patent number 2,199,109
    • Issue date Apr 30, 1940
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2164689

    • Patent number 2,164,689
    • Issue date Jul 4, 1939
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2150806

    • Patent number 2,150,806
    • Issue date Mar 14, 1939
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2138009

    • Patent number 2,138,009
    • Issue date Nov 29, 1938
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2103760

    • Patent number 2,103,760
    • Issue date Dec 28, 1937
    • F28 - HEAT EXCHANGE IN GENERAL
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    2089382

    • Patent number 2,089,382
    • Issue date Aug 10, 1937
    • F28 - HEAT EXCHANGE IN GENERAL
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    2079190

    • Patent number 2,079,190
    • Issue date May 4, 1937
    • F28 - HEAT EXCHANGE IN GENERAL
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    2068861

    • Patent number 2,068,861
    • Issue date Jan 26, 1937
    • F28 - HEAT EXCHANGE IN GENERAL
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    2063991

    • Patent number 2,063,991
    • Issue date Dec 15, 1936
    • F28 - HEAT EXCHANGE IN GENERAL
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    2057842

    • Patent number 2,057,842
    • Issue date Oct 20, 1936
    • F28 - HEAT EXCHANGE IN GENERAL
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    2052174

    • Patent number 2,052,174
    • Issue date Aug 25, 1936
    • F28 - HEAT EXCHANGE IN GENERAL
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    2045761

    • Patent number 2,045,761
    • Issue date Jun 30, 1936
    • F28 - HEAT EXCHANGE IN GENERAL
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    2038004

    • Patent number 2,038,004
    • Issue date Apr 21, 1936
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2025009

    • Patent number 2,025,009
    • Issue date Dec 17, 1935
    • F28 - HEAT EXCHANGE IN GENERAL