C21C 5/30

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9863014 Lance and operation method using the sameDec 16, 13Jan 09, 18POSCO
9828646 Metal making lance with spring-loaded thermocouple or camera in lance tipMar 16, 15Nov 28, 17Berry Metal Company
9771626 Starting a smelting processJul 18, 13Sep 26, 17TECHNOLOGICAL RESOURCES PTY. LIMITED
9194014 Reinforced distributor for post-combustion lanceNov 10, 11Nov 24, 15Berry Metal Company
8926895 Post-combustion lance including an internal support assemblyMay 01, 12Jan 06, 15A.H. Tallman Bronze Company, Limited
8808421 System for furnace slopping prediction and lance optimizationFeb 26, 10Aug 19, 14TENOVA GOODFELLOW INC.
8435323 Batchwise working-up recycling materials in a rotatable reactorMay 11, 05May 07, 13BOLIDEN MINERAL AB
8216507 Post-combustion lance with internal supportJan 26, 09Jul 10, 12A.H. Tallman Bronze Company, Limited
8142541 Method of preheating steelmaking ladlesJun 11, 08Mar 27, 12NUCOR CORPORATION
8092572 Method of regulating the output of carbon monoxide in a metallurgical melting processAug 30, 07Jan 10, 12PRIMETALS TECHNOLOGIES GERMANY GMBH
7678176 Method and apparatus for charging hot direct reduced iron from hot transport vessels into a melter or finisherJun 29, 07Mar 16, 10MIDREX TECHNOLOGIES, INC.
7452401 Oxygen injection methodJun 28, 06Nov 18, 08PRAXAIR TECHNOLOGY, INC.
7198181 Stopper for reliable gas injectionJun 12, 02Apr 03, 07VESUVIUS USA CORPORATION
6802887 Method and device for feeding a gas to a metallurgical vesselJun 19, 02Oct 12, 04VOEST-ALPINE INDUSTRIEANLAGENBAU GMBH & CO.
6602321 Direct smelting processJun 04, 01Aug 05, 03TECHNOLOGICAL RESOURCES PTY. LIMITED
6521017 Method for melting metalsSep 29, 98Feb 18, 03NIPPON SANSO CORPORATION
6517605 Start-up procedure for direct smelting processJul 07, 00Feb 11, 03TECHNOLOGICAL RESOURCES PTY. LIMITED
RE37922 Method and apparatus to determine and control the carbon content of steel in a BOF vesselFeb 08, 99Dec 10, 02ISG TECHNOLOGIES, INC.
RE37897 Method for making steel in a liquid melt-fed electric furnaceOct 02, 01Nov 05, 02PAUL WURTH S.A.
6461404 Ladle for enhanced steel vacuum decarburizationMay 10, 00Oct 08, 02MCMASTER UNIVERSITY

Showing 1 to 20 of 69 results