C21B 3/04

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9896635 Method of enhancing the dry grinding efficiency of petcokeJan 13, 15Feb 20, 18HOLCIM TECHNOLOGY LTD
9664444 Slag discharge door device for an electric furnaceAug 30, 11May 30, 17HYUNDAI STEEL COMPANY
9656924 Process for producing a zinc sulfate solution, obtained from steelworks powder and respective fertilizer inputsApr 30, 14May 23, 17Not available
9493853 Cleaning tool for cleaning particles contained in a slurrySep 23, 13Nov 15, 16Not available
9347108 Advanced technology for iron-chrome alloys production and related plantFeb 25, 14May 24, 16Not available
9255302 Method and device for reducing iron-oxide-containing feedstocks in a high-pressure reducing unitJan 11, 13Feb 09, 16PRIMETALS TECHNOLOGIES AUSTRIA GMBH
9212404 Preparation method for stainless steel slags and steelworks slags for recovery of metalNov 11, 10Dec 15, 15LOESCHE GMBH
9017596 Slag removal apparatus and methodJan 31, 13Apr 28, 15SIEMENS ENERGY, INC.
8834600 Extraction process for reactive metal oxidesJun 11, 04Sep 16, 14UNIVERSITY OF LEEDS
8753422 Apparatus for and method of production of iron, semi steel and reducing gasesDec 09, 11Jun 17, 14Not available
8709131 Method and system for the production of direct reduced iron using a synthesis gas with a high carbon monoxide contentFeb 15, 12Apr 29, 14MIDREX TECHNOLOGIES, INC.
8158053 Refractory articlesJul 20, 06Apr 17, 12FOSECO INTERNATIONAL LIMITED
8119060 Solder recovery deviceJan 21, 10Feb 21, 12RICOH COMPANY, LTD.
8075663 Anti-oxidative agent for molten metal, method of preparing and method of using thereofMar 29, 10Dec 13, 11SHENZHEN KUNQI XINHUA CO., LTD.
8048364 Method and apparatus for manufacturing aluminum alloy strip for lithographic printing platesJun 13, 08Nov 01, 11FUJIFILM CORPORATION
7943083 Drum apparatus for treating slagAug 31, 05May 17, 11BAOSHAN IRON & STEEL CO., LTD.
7780756 Ore reduction process and titanium oxide and iron metallization productApr 27, 09Aug 24, 10THE CHEMOURS COMPANY FC, LLC
7727461 Furnace filtration system for molten metalNov 23, 07Jun 01, 10Not available
7638088 Method and device for producing pig iron and/or pig iron intermediate productsJul 31, 08Dec 29, 09POHANG IRON & STEEL CO., LTD., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, VOEST-ALPINE INDUSTRIEANLAGENBAU GMBH & CO.,
7611665 Ladle bottomAug 17, 06Nov 03, 09VESUVIUS USA CORPORATION

Showing 1 to 20 of 100 results