Finisher-hearth-melter furnace and method of using for iron-making / steelmaking

Details for Australian Patent Application No. 2003238774 (hide)

Owner Midrex International B.V. Rotterdam, Zurich Branch

Inventors Klawonn, Robert M.; Hoffman, Glenn E.

Agent Wrays

Pub. Number AU-B-2003238774

PCT Number PCT/US03/01157

PCT Pub. Number WO2003/064708

Priority 10/056,319 25.01.02 US

Filing date 15 January 2003

Wipo publication date 2 September 2003

Acceptance publication date 4 January 2007

International Classifications

C21B 13/00 (2006.01) Making spongy iron or liquid steel, by direct processes

C21B 13/10 (2006.01) Making spongy iron or liquid steel, by direct processes

C21B 13/14 (2006.01) Making spongy iron or liquid steel, by direct processes - Multi-stage processes

Event Publications

11 September 2003 Complete Application Filed

  Priority application(s): 10/056,319 25.01.02 US

18 September 2003 Application Open to Public Inspection

  Published as AU-B-2003238774

4 January 2007 Application Accepted

  Published as AU-B-2003238774

3 May 2007 Standard Patent Sealed

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