including intermediate corrugated element

Patents Grantslast 30 patents

  • Information Patent Grant

    High efficiency folded plate heat exchanger

    • Patent number 4,913,776
    • Issue date Apr 3, 1990
    • The Air Preheater Company, Inc.
    • Harlen E. Finnemore
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger

    • Patent number 4,473,111
    • Issue date Sep 25, 1984
    • Dieter C. Steeb
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Plate heat exchanger

    • Patent number 4,402,362
    • Issue date Sep 6, 1983
    • Evgeny V. Dubrovsky
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger closure bar construction

    • Patent number 4,301,863
    • Issue date Nov 24, 1981
    • United Technologies Corporation
    • Peter Bizzarro
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3860065

    • Patent number 3,860,065
    • Issue date Jan 14, 1975
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3669186

    • Patent number 3,669,186
    • Issue date Jun 13, 1972
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3613782

    • Patent number 3,613,782
    • Issue date Oct 19, 1971
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3542124

    • Patent number 3,542,124
    • Issue date Nov 24, 1970
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3540531

    • Patent number 3,540,531
    • Issue date Nov 17, 1970
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3528496

    • Patent number 3,528,496
    • Issue date Sep 15, 1970
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3525390

    • Patent number 3,525,390
    • Issue date Aug 25, 1970
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3517733

    • Patent number 3,517,733
    • Issue date Jun 30, 1970
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3380517

    • Patent number 3,380,517
    • Issue date Apr 30, 1968
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3364992

    • Patent number 3,364,992
    • Issue date Jan 23, 1968
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3313343

    • Patent number 3,313,343
    • Issue date Apr 11, 1967
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3282334

    • Patent number 3,282,334
    • Issue date Nov 1, 1966
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3275074

    • Patent number 3,275,074
    • Issue date Sep 27, 1966
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3252510

    • Patent number 3,252,510
    • Issue date May 24, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3241607

    • Patent number 3,241,607
    • Issue date Mar 22, 1966
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3047271

    • Patent number 3,047,271
    • Issue date Jul 31, 1962
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3042382

    • Patent number 3,042,382
    • Issue date Jul 3, 1962
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2961222

    • Patent number 2,961,222
    • Issue date Nov 22, 1960
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2697588

    • Patent number 2,697,588
    • Issue date Dec 21, 1954
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2606007

    • Patent number 2,606,007
    • Issue date Aug 5, 1952
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2595457

    • Patent number 2,595,457
    • Issue date May 6, 1952
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2553030

    • Patent number 2,553,030
    • Issue date May 15, 1951
    • F28 - HEAT EXCHANGE IN GENERAL