with auxiliary water tubes inside the fire-box

Patents Grantslast 30 patents

  • Information Patent Grant

    High-temperature generator

    • Patent number 5,915,468
    • Issue date Jun 29, 1999
    • Ebara Corporation
    • Naoyuki Inoue
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3598090

    • Patent number 3,598,090
    • Issue date Aug 10, 1971
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2937626

    • Patent number 2,937,626
    • Issue date May 24, 1960
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2367559

    • Patent number 2,367,559
    • Issue date Jan 16, 1945
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2327522

    • Patent number 2,327,522
    • Issue date Aug 24, 1943
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2325383

    • Patent number 2,325,383
    • Issue date Jul 27, 1943
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2179741

    • Patent number 2,179,741
    • Issue date Nov 14, 1939
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1826358

    • Patent number 1,826,358
    • Issue date Oct 6, 1931
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1754761

    • Patent number 1,754,761
    • Issue date Apr 15, 1930
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1712615

    • Patent number 1,712,615
    • Issue date May 14, 1929
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1708919

    • Patent number 1,708,919
    • Issue date Apr 9, 1929
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1665339

    • Patent number 1,665,339
    • Issue date Apr 10, 1928
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1629720

    • Patent number 1,629,720
    • Issue date May 24, 1927
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1596797

    • Patent number 1,596,797
    • Issue date Aug 17, 1926
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1579012

    • Patent number 1,579,012
    • Issue date Mar 30, 1926
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1578739

    • Patent number 1,578,739
    • Issue date Mar 30, 1926
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1577438

    • Patent number 1,577,438
    • Issue date Mar 23, 1926
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1577175

    • Patent number 1,577,175
    • Issue date Mar 16, 1926
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1576245

    • Patent number 1,576,245
    • Issue date Mar 9, 1926
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1551545

    • Patent number 1,551,545
    • Issue date Sep 1, 1925
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1518038

    • Patent number 1,518,038
    • Issue date Dec 2, 1924
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1482060

    • Patent number 1,482,060
    • Issue date Jan 29, 1924
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1480134

    • Patent number 1,480,134
    • Issue date Jan 8, 1924
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1470697

    • Patent number 1,470,697
    • Issue date Oct 16, 1923
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1470700

    • Patent number 1,470,700
    • Issue date Oct 16, 1923
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1468308

    • Patent number 1,468,308
    • Issue date Sep 18, 1923
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1463156

    • Patent number 1,463,156
    • Issue date Jul 31, 1923
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1463184

    • Patent number 1,463,184
    • Issue date Jul 31, 1923
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1456710

    • Patent number 1,456,710
    • Issue date May 29, 1923
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1455681

    • Patent number 1,455,681
    • Issue date May 15, 1923
    • F22 - STEAM GENERATION