including a tube sheet

Patents Grantslast 30 patents

  • Information Patent Grant

    Heat exchangers

    • Patent number 5,101,893
    • Issue date Apr 7, 1992
    • NNC Limited
    • Roy Bilsborough
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Four piece elbow for a multi-tube heat exchanger

    • Patent number 5,050,670
    • Issue date Sep 24, 1991
    • Herve X. Bronnert
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Ceramic heat exchangers

    • Patent number 4,768,586
    • Issue date Sep 6, 1988
    • The Babcock & Wilcox Company
    • Philip L. Berneburg
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Recuperative heat exchanger having radiation absorbing turbulator

    • Patent number 4,559,998
    • Issue date Dec 24, 1985
    • The Air Preheater Company, Inc.
    • Wayne S. Counterman
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3814178

    • Patent number 3,814,178
    • Issue date Jun 4, 1974
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3786862

    • Patent number 3,786,862
    • Issue date Jan 22, 1974
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3667541

    • Patent number 3,667,541
    • Issue date Jun 6, 1972
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3656544

    • Patent number 3,656,544
    • Issue date Apr 18, 1972
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3656543

    • Patent number 3,656,543
    • Issue date Apr 18, 1972
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3605880

    • Patent number 3,605,880
    • Issue date Sep 20, 1971
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2833526

    • Patent number 2,833,526
    • Issue date May 6, 1958
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2254189

    • Patent number 2,254,189
    • Issue date Aug 26, 1941
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2223319

    • Patent number 2,223,319
    • Issue date Nov 26, 1940
    • F28 - HEAT EXCHANGE IN GENERAL
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    2202493

    • Patent number 2,202,493
    • Issue date May 28, 1940
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2174448

    • Patent number 2,174,448
    • Issue date Sep 26, 1939
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    1961792

    • Patent number 1,961,792
    • Issue date Jun 5, 1934
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1946234

    • Patent number 1,946,234
    • Issue date Feb 6, 1934
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1768222

    • Patent number 1,768,222
    • Issue date Jun 24, 1930
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1435570

    • Patent number 1,435,570
    • Issue date Nov 14, 1922
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    1096273

    • Patent number 1,096,273
    • Issue date May 12, 1914
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1091369

    • Patent number 1,091,369
    • Issue date Mar 24, 1914
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    810670

    • Patent number 810,670
    • Issue date Jan 23, 1906
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    542890

    • Patent number 542,890
    • Issue date Jul 16, 1895
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    489524

    • Patent number 489,524
    • Issue date Jan 10, 1893
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    367839

    • Patent number 367,839
    • Issue date Aug 9, 1887
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    362395

    • Patent number 362,395
    • Issue date May 3, 1887
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    324120

    • Patent number 324,120
    • Issue date Aug 11, 1885
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    311839

    • Patent number 311,839
    • Issue date Feb 3, 1885
    • F28 - HEAT EXCHANGE IN GENERAL
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    290015

    • Patent number 290,015
    • Issue date Dec 11, 1883
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    211051

    • Patent number 211,051
    • Issue date Dec 17, 1878
    • F28 - HEAT EXCHANGE IN GENERAL