C21B 7/00

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9963753 Blast furnace cooling plate with integrated wear detection systemAug 07, 15May 08, 18Paul Wurth SA
9868998 Method and apparatus for supplying blast to a blast furnaceDec 10, 13Jan 16, 18PRIMETALS TECHNOLOGIES, LIMITED
9617609 Method for preparing blast furnace blow-in coalSep 19, 13Apr 11, 17MITSUBISHI HEAVY INDUSTRIES, LTD.
9605326 Method and system for operating a blast furnace with top-gas recycle and a fired tubular heaterJul 03, 13Mar 28, 17HYL TECHNOLOGIES, S.A. DE C.V.
9581387 Method for iron-making with full oxygen and hydrogen-rich gas and equipment thereofFeb 13, 15Feb 28, 17CENTRAL IRON AND STEEL RESEARCH INSTITUTE, SHANDONG COKING GROUP CO., LTD., SHANDONG TIEXIONG METALLURGICAL TECHNOLOGY CO., LTD.,
9574247 Method and device for operating a smelting reduction processAug 21, 14Feb 21, 17PRIMETALS TECHNOLOGIES AUSTRIA GMBH
9512496 Method and device for introducing fine particle-shaped material into the fluidised bed of a fluidised bed reduction unitApr 04, 13Dec 06, 16PRIMETALS TECHNOLOGIES AUSTRIA GMBH
9410218 Method for operating a blast furnaceJul 11, 12Aug 09, 16JFE STEEL CORPORATION
9389019 Rotary charging device for shaft furnaceJul 15, 13Jul 12, 16PAUL WURTH S.A.
9322597 Carbon dioxide reduction in steelworksJun 12, 12Apr 26, 16SIEMENS AKTIENGESELLSCHAFT
9309578 Blast furnace operating method and tube bundle-type lanceJul 11, 13Apr 12, 16JFE STEEL CORPORATION
9222042 Process for regulating joule value of offgases from plants for pig iron production or of synthesis gasAug 03, 12Dec 29, 15PRIMETALS TECHNOLOGIES AUSTRIA GMBH
9044704 Use of oxygen from ion transport membranes in blast furnaceJun 21, 12Jun 02, 15L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE
8992663 English Title Not AvailableMay 05, 10Mar 31, 15THYSSENKRUPP INDUSTRIAL SOLUTIONS AG
8992664 Blast furnace top gas recycling process and corresponding recycling equipmentMar 17, 09Mar 31, 15Arcelormittal Investigacion Y Desarrollo SL, Arcelormittal Investigacion Y Desarrollo SL,
8968441 Method and system for producing pig iron or fluid steel pre-productsJan 14, 10Mar 03, 15PRIMETALS TECHNOLOGIES AUSTRIA GMBH
8945264 Cyclone with a plurality of inlet ductsApr 18, 12Feb 03, 15PRIMETALS TECHNOLOGIES, LIMITED
8940226 Arrangement for burning blast furnace off-gas from a bleeder valve and corresponding bleeder valveMay 19, 10Jan 27, 15PAUL WURTH S.A.
8845778 Method for feeding a burden to a blast furnaceApr 21, 10Sep 30, 14PAUL WURTH S.A.
8834599 Method and device for operating a smelting reduction processSep 29, 09Sep 16, 14PRIMETALS TECHNOLOGIES AUSTRIA GMBH

Showing 1 to 20 of 80 results