C22B 1/216

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9580769 Device for the improvement of crude pellets and pelletizing processOct 21, 14Feb 28, 17VALE S.A.
9045809 Reclaiming and inhibiting activation of DRI finesMay 08, 13Jun 02, 15NU-IRON TECHNOLOGY, LLC
8540794 Method for reducing iron oxide and producing syngasOct 03, 07Sep 24, 13Not available
8092574 Method of producing reduced iron cast, and method of producing pig ironSep 02, 08Jan 10, 12NIPPON STEEL CORPORATION
7846379 Industrial furnaceJul 08, 04Dec 07, 10Andritz Maerz GmbH
7815710 Metal oxide-containing green pellet for reducing furnace, method for production thereof, method of reduction thereof, and reduction facilitiesOct 30, 01Oct 19, 10NIPPON STEEL CORPORATION
7625413 Agglomerating alumina dust for aluminum productionFeb 16, 06Dec 01, 09Not available
6332912 Method to lower the formation of clods and the clustering tendency of reducible iron containing agglomerated material, in particular pelletsNov 16, 99Dec 25, 01LUOSSAVAARA-KIIRUNAVAARA AB
6251156 Method of producing molten iron in duplex furnacesOct 29, 99Jun 26, 01MIDREX TECHNOLOGIES, INC., MIDREX DIRECT REDUCTION CORPORATION,
6224820 Method of producing a reduced metal, and traveling hearth furnace for producing sameOct 05, 99May 01, 01KAWASAKI STEEL CORPORATION
6221127 Method of pyroprocessing mineral ore material for reducing combustion NOxNov 10, 99Apr 24, 01METSO MINERALS INDUSTRIES, INC.
4212615 Rotary drum agglomerating apparatusSep 13, 77Jul 15, 80BETHLEHEM STEEL CORPORATION