C21B 7/18

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2024/0077,255 METHOD FOR OPERATING A BLAST FURNACE PLANTJan 20, 22Mar 07, 24Not available
2022/0325,367 SKIP HOIST OF A BLAST FURNACESep 07, 20Oct 13, 22Not available
2021/0041,172 BLAST FURNACE APPARATUS AND OPERATION METHOD FOR BLAST FURNACEMar 25, 19Feb 11, 21JFE Steel Corporation
2011/0023,660 METHOD AND APPARATUS FOR RECOVERY OF RARE EARTH ELEMENTMar 26, 09Feb 03, 11The Foundation for the Promotion of Industrial Sci ence, THE FOUNDATION FOR THE PROMOTION OF INDUSTRIAL SCIENCE OF C/O INSTITUTE OF INDUSTRIAL SCIENCE, THE UNIVERSITY OF TOKYO,
2008/0290,567 Rotary Charging Device for a Shaft Furnace Equipped with a Cooling SystemOct 03, 06Nov 27, 08PAUL WURTH S.A.
2007/0257,406 Distributor Of Hot Feed MaterialSep 06, 05Nov 08, 07OUTOKUMPU TECHNOLOGY OY
2003/0102,610 Method and apparatus for supplying granular raw material for reduced ironNov 04, 02Jun 05, 03KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)
2003/0085,496 Device for continuously measuring the temperature in pelletizing furnacesNov 08, 01May 08, 03VALE S.A.
2002/0045,144 Continuous sintering furnace and use thereofOct 10, 01Apr 18, 02Ishikawajima-Harima Jukogyo Kabushiki Kaisha
2002/0031,469 Process and apparatus for the extraction and regeneration of acids from spent acidsJan 08, 01Mar 14, 02Not available