employing moving walls

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary heat exchangers in the form of turbines

    • Patent number 3,978,660
    • Issue date Sep 7, 1976
    • Nikolaus Laing
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3866668

    • Patent number 3,866,668
    • Issue date Feb 18, 1975
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3811495

    • Patent number 3,811,495
    • Issue date May 21, 1974
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3773106

    • Patent number 3,773,106
    • Issue date Nov 20, 1973
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3744938

    • Patent number 3,744,938
    • Issue date Jul 10, 1973
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3613368

    • Patent number 3,613,368
    • Issue date Oct 19, 1971
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3590786

    • Patent number 3,590,786
    • Issue date Jul 6, 1971
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3204401

    • Patent number 3,204,401
    • Issue date Sep 7, 1965
    • F28 - HEAT EXCHANGE IN GENERAL