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On a massing grate

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  • CPC
  • C21B13/0053
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CCHEMISTRY METALLURGY C21Iron metallurgy C21BMANUFACTURE OF IRON OR STEEL C21B13/00Making spongy iron or liquid steel, by direct processes

Current Industry

C21B13/0053On a massing grate
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Patents Grantslast 30 patents

  • Information Patent Grant

    Production method of granular metallic iron
    • Patent number 10,407,744
    • Issue date Sep 10, 2019
    • Kobe Steel, Ltd.
    • Shorin O
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Method for smelting nickel oxide ore
    • Patent number 10,364,480
    • Issue date Jul 30, 2019
    • Sumitomo Metal Mining Co., Ltd.
    • Junichi Takahashi
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Partially-reduced iron producing apparatus
    • Patent number 9,163,879
    • Issue date Oct 20, 2015
    • PRIMETALS TECHNOLOGIES JAPAN, LTD.
    • Susumu Kamikawa
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Process for the optimized production of iron ore pellets
    • Patent number 9,096,914
    • Issue date Aug 4, 2015
    • VALE S.A.
    • Hamilton Porto Pimenta
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Feeding system for reduced iron material
    • Patent number 8,915,352
    • Issue date Dec 23, 2014
    • Kobe Steel, Ltd.
    • Osamu Tsuge
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Process for producing sponge iron
    • Patent number 8,679,222
    • Issue date Mar 25, 2014
    • IOP Specialists SDN. BHD.
    • Kin Onn Low
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Granulated metallic iron superior in rust resistance and method for...
    • Patent number 8,187,359
    • Issue date May 29, 2012
    • Mesabi Nugget LLC
    • Koji Tokuda
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Method of reducing iron oxide on a movable hearth furnace
    • Patent number 6,248,152
    • Issue date Jun 19, 2001
    • Kawasaki Steel Corporation
    • Kanji Takeda
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Method of continuous reduction of iron oxides
    • Patent number 4,300,948
    • Issue date Nov 17, 1981
    • Arbed S.A.
    • Paul Metz
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Process for the direct reduction of minerals on a continuous grate
    • Patent number 4,023,963
    • Issue date May 17, 1977
    • Creusot-Loire Entreprises
    • Edouard Bonnaure
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3836353
    • Patent number 3,836,353
    • Issue date Sep 17, 1974
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3542349
    • Patent number 3,542,349
    • Issue date Nov 24, 1970
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3501288
    • Patent number 3,501,288
    • Issue date Mar 17, 1970
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3383199
    • Patent number 3,383,199
    • Issue date May 14, 1968
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3333951
    • Patent number 3,333,951
    • Issue date Aug 1, 1967
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3304168
    • Patent number 3,304,168
    • Issue date Feb 14, 1967
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3264091
    • Patent number 3,264,091
    • Issue date Aug 2, 1966
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3264092
    • Patent number 3,264,092
    • Issue date Aug 2, 1966
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3214264
    • Patent number 3,214,264
    • Issue date Oct 26, 1965
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3005699
    • Patent number 3,005,699
    • Issue date Oct 24, 1961
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2862808
    • Patent number 2,862,808
    • Issue date Dec 2, 1958
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2790710
    • Patent number 2,790,710
    • Issue date Apr 30, 1957
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2373657
    • Patent number 2,373,657
    • Issue date Apr 17, 1945
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2285487
    • Patent number 2,285,487
    • Issue date Jun 9, 1942
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    1832731
    • Patent number 1,832,731
    • Issue date Nov 17, 1931
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    1523044
    • Patent number 1,523,044
    • Issue date Jan 13, 1925
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    1481357
    • Patent number 1,481,357
    • Issue date Jan 22, 1924
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents