C21B 5/02

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2025/0019,781 METHODS FOR PRODUCING FERROUS ALLOYS IN METALLURGICAL FURNACESDec 15, 22Jan 16, 25Not available
2020/0347,468 P PROCESS OF MAKING PIG IRON IN A BLAST FURNACE USING PELLETS CONTAINING THERMOPLASTIC AND CELLULOSIC MATERIALSJun 19, 18Nov 05, 20SUBCOAL INTERNATIONAL B.V.
2016/0083,809 Method for Producing an Agglomerate Made of Fine Material Containing Metal Oxide for Use as a Blast Furnace Feed MaterialSep 25, 15Mar 24, 16RHEINKALK GMBH
2006/0174,726 Method for producing magnetostrictive elementFeb 07, 06Aug 10, 06TDK CORPORATION
2004/0025,633 Carbon containing nonfired agglomerated ore for blast furnace and production method thereofMay 28, 03Feb 12, 04NIPPON STEEL CORPORATION, TETSUGEN CORPORATION,
2004/0020,326 Metal oxide-containing green pellet for reducing furnace, method for production thereof, method of reduction thereof, and reduction facilitiesApr 30, 03Feb 05, 04NIPPON STEEL CORPORATION
2002/0189,403 Method of producing reduced metals and apparatus for reducing metal oxidesMay 28, 02Dec 19, 02KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)