TREA

Manufacture of hearth-furnace steel

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  • CPC
  • C21C5/04
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Parent Industries

CCHEMISTRY METALLURGY C21Iron metallurgy C21CPROCESSING OF PIG-IRON C21C5/00Manufacture of carbon-steel

Current Industry

C21C5/04Manufacture of hearth-furnace steel
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Smelting assembly for the production of steel
    • Patent number 11,549,156
    • Issue date Jan 10, 2023
    • SMS group GMBH
    • Peter Starke
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Starting a smelting process
    • Patent number 9,771,626
    • Issue date Sep 26, 2017
    • Technological Resources Pty. Limited
    • Carolyn McCarthy
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Starting a smelting process
    • Patent number 9,458,518
    • Issue date Oct 4, 2016
    • Technological Resources Pty, Limited
    • Jacques Pilote
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Cold start-up method for a direct smelting process
    • Patent number 7,914,601
    • Issue date Mar 29, 2011
    • Technological Resources Pty. Limited
    • Iain William Farr
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Forehearth
    • Patent number 7,828,873
    • Issue date Nov 9, 2010
    • Technological Resources PTY Limited
    • Matthew John Gurr
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Direct-fired stratified atmosphere furnace system
    • Patent number 5,609,481
    • Issue date Mar 11, 1997
    • Praxair Technology, Inc.
    • Hisashi Kobayashi
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Nozzle assembly for a metallurgical furnace
    • Patent number 4,497,475
    • Issue date Feb 5, 1985
    • Korf & Fuchs Systemtechnik GmbH
    • Gerhard Fuchs
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Process for protection of nozzles and refractory lining of a vessel...
    • Patent number 4,401,466
    • Issue date Aug 30, 1983
    • Korf Technologies, Inc.
    • William Wells
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Open-hearth furnace
    • Patent number 4,396,178
    • Issue date Aug 2, 1983
    • Korf Technologies, Inc.
    • William Wells
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Metallurgical melting and refining unit
    • Patent number 4,389,043
    • Issue date Jun 21, 1983
    • Korf Industrie und Handel GmbH und Co KG
    • Ralph Weber
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Method of operating an open-hearth furnace
    • Patent number 4,347,079
    • Issue date Aug 31, 1982
    • Korf Technologies, Inc.
    • William Wells
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Method of using an expendable tap hole tuyere in open hearth decarb...
    • Patent number 4,007,035
    • Issue date Feb 8, 1977
    • United States Steel Corporation
    • Robert W. Smith
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Process for increasing the life of basic refractory linings in hear...
    • Patent number 3,950,161
    • Issue date Apr 13, 1976
    • Eisenwerk-Gesellschaft Maximilianshutte mbH
    • Helmut Knuppel
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Process and immersion lances for introducing oxygen into a metal melt
    • Patent number 3,945,820
    • Issue date Mar 23, 1976
    • Eisenwerk-Gesellschaft Maximilianshutte mbH
    • Karl Brotzmann
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3898078
    • Patent number 3,898,078
    • Issue date Aug 5, 1975
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3895906
    • Patent number 3,895,906
    • Issue date Jul 22, 1975
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3873073
    • Patent number 3,873,073
    • Issue date Mar 25, 1975
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3865576
    • Patent number 3,865,576
    • Issue date Feb 11, 1975
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3859078
    • Patent number 3,859,078
    • Issue date Jan 7, 1975
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3846119
    • Patent number 3,846,119
    • Issue date Nov 5, 1974
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3787038
    • Patent number 3,787,038
    • Issue date Jan 22, 1974
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3725042
    • Patent number 3,725,042
    • Issue date Apr 3, 1973
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3687435
    • Patent number 3,687,435
    • Issue date Aug 29, 1972
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3681048
    • Patent number 3,681,048
    • Issue date Aug 1, 1972
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3602489
    • Patent number 3,602,489
    • Issue date Aug 31, 1971
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3583866
    • Patent number 3,583,866
    • Issue date Jun 8, 1971
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3583865
    • Patent number 3,583,865
    • Issue date Jun 8, 1971
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3567203
    • Patent number 3,567,203
    • Issue date Mar 2, 1971
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3556502
    • Patent number 3,556,502
    • Issue date Jan 19, 1971
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3556497
    • Patent number 3,556,497
    • Issue date Jan 19, 1971
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

  • Information Patent Application

    SMELTING ASSEMBLY FOR THE PRODUCTION OF STEEL
    • Publication number 20210040573
    • Publication date Feb 11, 2021
    • SMS group GMBH
    • Peter STARKE
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Application

    STARTING A SMELTING PROCESS
    • Publication number 20150259758
    • Publication date Sep 17, 2015
    • TECHNOLOGICAL RESOURCES PTY. LIMITED
    • Carolyn McCarthy
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    STARTING A SMELTING PROCESS
    • Publication number 20140318319
    • Publication date Oct 30, 2014
    • Jacques Pilote
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    COLD START-UP METHOD FOR A DIRECT SMELTING PROCESS
    • Publication number 20090031858
    • Publication date Feb 5, 2009
    • Iain William Farr
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    Forehearth
    • Publication number 20080302213
    • Publication date Dec 11, 2008
    • Matthew John Gurr
    • C21 - METALLURGY OF IRON