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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat exchanger

    • Patent number 4,363,355
    • Issue date Dec 14, 1982
    • Martin D. Prucyk
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3834455

    • Patent number 3,834,455
    • Issue date Sep 10, 1974
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3253648

    • Patent number 3,253,648
    • Issue date May 31, 1966
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2643100

    • Patent number 2,643,100
    • Issue date Jun 23, 1953
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2538305

    • Patent number 2,538,305
    • Issue date Jan 16, 1951
    • B60 - VEHICLES IN GENERAL
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    2047459

    • Patent number 2,047,459
    • Issue date Jul 14, 1936
    • F28 - HEAT EXCHANGE IN GENERAL
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    2036957

    • Patent number 2,036,957
    • Issue date Apr 7, 1936
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1992504

    • Patent number 1,992,504
    • Issue date Feb 26, 1935
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1894279

    • Patent number 1,894,279
    • Issue date Jan 17, 1933
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1886403

    • Patent number 1,886,403
    • Issue date Nov 8, 1932
    • F28 - HEAT EXCHANGE IN GENERAL
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    1839910

    • Patent number 1,839,910
    • Issue date Jan 5, 1932
    • F28 - HEAT EXCHANGE IN GENERAL
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    1796708

    • Patent number 1,796,708
    • Issue date Mar 17, 1931
    • F28 - HEAT EXCHANGE IN GENERAL
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    1788386

    • Patent number 1,788,386
    • Issue date Jan 13, 1931
    • F28 - HEAT EXCHANGE IN GENERAL
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    1769963

    • Patent number 1,769,963
    • Issue date Jul 8, 1930
    • F28 - HEAT EXCHANGE IN GENERAL
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    1149276

    • Patent number 1,149,276
    • Issue date Aug 10, 1915
    • F28 - HEAT EXCHANGE IN GENERAL
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    1139547

    • Patent number 1,139,547
    • Issue date May 18, 1915
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    180813

    • Patent number 180,813
    • Issue date Aug 8, 1876
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents