involving horizontally-or helically-disposed water tubes

Patents Grantslast 30 patents

  • Information Patent Grant

    Horizontal spiral tube boiler convection pass enclosure design

    • Patent number 6,718,915
    • Issue date Apr 13, 2004
    • The Babcock & Wilcox Company
    • Melvin J. Albrecht
    • F22 - STEAM GENERATION
  • Information Patent Grant

    Once-through steam generator having spirally disposed evaporator tubes

    • Patent number 5,979,369
    • Issue date Nov 9, 1999
    • Seimens Aktiengesellschaft
    • Eberhard Wittchow
    • F22 - STEAM GENERATION
  • Information Patent Grant

    Uniform distribution heat-transfer pipe unit for double-layer fluids

    • Patent number 5,203,285
    • Issue date Apr 20, 1993
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Takashi Tsukino
    • F22 - STEAM GENERATION
  • Information Patent Grant

    3376859

    • Patent number 3,376,859
    • Issue date Apr 9, 1968
    • F22 - STEAM GENERATION
  • Information Patent Grant

    3346043

    • Patent number 3,346,043
    • Issue date Oct 10, 1967
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3310040

    • Patent number 3,310,040
    • Issue date Mar 21, 1967
    • F22 - STEAM GENERATION
  • Information Patent Grant

    3269362

    • Patent number 3,269,362
    • Issue date Aug 30, 1966
    • F22 - STEAM GENERATION
  • Information Patent Grant

    3232282

    • Patent number 3,232,282
    • Issue date Feb 1, 1966
    • F22 - STEAM GENERATION
  • Information Patent Grant

    3105466

    • Patent number 3,105,466
    • Issue date Oct 1, 1963
    • F22 - STEAM GENERATION
  • Information Patent Grant

    3042618

    • Patent number 3,042,618
    • Issue date Jul 3, 1962
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    2576988

    • Patent number 2,576,988
    • Issue date Dec 4, 1951
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2570630

    • Patent number 2,570,630
    • Issue date Oct 9, 1951
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2562442

    • Patent number 2,562,442
    • Issue date Jul 31, 1951
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2507293

    • Patent number 2,507,293
    • Issue date May 9, 1950
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2012216

    • Patent number 2,012,216
    • Issue date Aug 20, 1935
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1935635

    • Patent number 1,935,635
    • Issue date Nov 21, 1933
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1785927

    • Patent number 1,785,927
    • Issue date Dec 23, 1930
    • F22 - STEAM GENERATION