the water-tube

Patents Grantslast 30 patents

  • Information Patent Grant

    Tube-in-shell heating apparatus

    • Patent number 5,069,169
    • Issue date Dec 3, 1991
    • Nippon Chemical Plant Consultant Co., Ltd.
    • Saburo Maruko
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Cluster boiler

    • Patent number 4,643,133
    • Issue date Feb 17, 1987
    • Hector A. Dauvergne
    • F22 - STEAM GENERATION
  • Information Patent Grant

    Immersion-tube heat exchanger

    • Patent number 4,072,189
    • Issue date Feb 7, 1978
    • Commissariat a l'Energie Atomique
    • Jean E. Chaix
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3903963

    • Patent number 3,903,963
    • Issue date Sep 9, 1975
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3054599

    • Patent number 3,054,599
    • Issue date Sep 18, 1962
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1842935

    • Patent number 1,842,935
    • Issue date Jan 26, 1932
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1704220

    • Patent number 1,704,220
    • Issue date Mar 5, 1929
    • F22 - STEAM GENERATION