having means controlling direction or rate of flow

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary type regenerative heat exchanger

    • Patent number 6,328,094
    • Issue date Dec 11, 2001
    • Mitsubishi Heavy Industries. Ltd.
    • Yasushi Mori
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Rotary type regenerative heat exchanger

    • Patent number 5,996,683
    • Issue date Dec 7, 1999
    • Mitsubishi Heavy Industries Ltd.
    • Yasushi Mori
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Rotary regenerative heat exchanger for high temperature applications

    • Patent number 4,627,485
    • Issue date Dec 9, 1986
    • The Air Preheater Company, Inc.
    • Henry H. Osborn
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger apparatus

    • Patent number 4,574,872
    • Issue date Mar 11, 1986
    • Matsushita Electric Industrial Co., Ltd.
    • Nobuyuki Yano
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Rotary regenerative air heater

    • Patent number 4,383,573
    • Issue date May 17, 1983
    • Combustion Engineering, Inc.
    • Steven P. Wincze
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger structure

    • Patent number 4,000,775
    • Issue date Jan 4, 1977
    • The Babcock & Wilcox Company
    • Albert Eisenstein
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3321011

    • Patent number 3,321,011
    • Issue date May 23, 1967
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3319707

    • Patent number 3,319,707
    • Issue date May 16, 1967
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3229752

    • Patent number 3,229,752
    • Issue date Jan 18, 1966
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3228457

    • Patent number 3,228,457
    • Issue date Jan 11, 1966
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3125157

    • Patent number 3,125,157
    • Issue date Mar 17, 1964
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2883160

    • Patent number 2,883,160
    • Issue date Apr 21, 1959
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2858110

    • Patent number 2,858,110
    • Issue date Oct 28, 1958
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2769619

    • Patent number 2,769,619
    • Issue date Nov 6, 1956
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2757907

    • Patent number 2,757,907
    • Issue date Aug 7, 1956
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2692761

    • Patent number 2,692,761
    • Issue date Oct 26, 1954
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2607564

    • Patent number 2,607,564
    • Issue date Aug 19, 1952
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2540733

    • Patent number 2,540,733
    • Issue date Feb 6, 1951
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2503651

    • Patent number 2,503,651
    • Issue date Apr 11, 1950
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1843252

    • Patent number 1,843,252
    • Issue date Feb 2, 1932
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents