including intermediate sheet between adjacent tubes forming air fin passages

Patents Grantslast 30 patents

  • Information Patent Grant

    1469407

    • Patent number 1,469,407
    • Issue date Oct 2, 1923
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1466530

    • Patent number 1,466,530
    • Issue date Aug 28, 1923
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1454483

    • Patent number 1,454,483
    • Issue date May 8, 1923
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1410356

    • Patent number 1,410,356
    • Issue date Mar 21, 1922
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1092242

    • Patent number 1,092,242
    • Issue date Apr 7, 1914
    • F28 - HEAT EXCHANGE IN GENERAL