C21C 1/04

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Showing 1 to 20 of 26 results

Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9920390 Method for preliminary treatment of molten ironJan 17, 13Mar 20, 18JFE STEEL CORPORATION
9460248 Method for predicting degree of contamination of molten steel during ladle exchangeFeb 27, 13Oct 04, 16HYUNDAI STEEL COMPANY
9315875 Method of refining molten ironJul 19, 12Apr 19, 16JFE STEEL CORPORATION
8435323 Batchwise working-up recycling materials in a rotatable reactorMay 11, 05May 07, 13BOLIDEN MINERAL AB
8021459 Method and apparatus for controlling metal separationJul 15, 04Sep 20, 11OUTOTEC OYJ
7976772 FilterJun 03, 08Jul 12, 11Not available
7901482 Removal method of nitrogen in molten steelFeb 06, 07Mar 08, 11JFE STEEL CORPORATION
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.
7628308 Method of replenishing an oxidation suppressing element in a solder bathJan 08, 03Dec 08, 09PANASONIC CORPORATION, SENJU METAL INDUSTRY CO., LTD.,
7357826 Method and apparatus to monitor/detect nodularization in ductile ironNov 24, 04Apr 15, 08DANA AUTOMOTIVE SYSTEMS GROUP, LLC
7211127 Model-based system for determining process parameters for the ladle refinement of steelJun 09, 05May 01, 07NUCOR CORPORATION
6797032 Method for measuring bath level in a basic oxygen furnace to determine lance height adjustmentAug 14, 02Sep 28, 04SEVERSTAL SPARROWS POINT, LLC
6693443 Systems for detecting and measuring inclusionsMar 30, 01Feb 17, 04WORCESTER POLYTECHNIC INSTITUTE
6391249 Device for producing sponge ironApr 03, 00May 21, 02VOEST-ALPINE INDUSTRIEANLAGENBAU GMBH & CO.
6280499 Yield metal pouring systemJun 19, 96Aug 28, 01Not available
6129776 Operation method of vertical furnaceSep 23, 97Oct 10, 00NIPPON STEEL CORPORATION
6093235 Process for decarbonising a high-chromium steel meltApr 23, 98Jul 25, 00Mannesmann AG
6080223 Flame detection monitoring system for detecting blockages in blast furnace injection pathsAug 29, 97Jun 27, 00ISG TECHNOLOGIES, INC.
6042632 Method of moderating temperature peaks in and/or increasing throughput of a continuous, top-blown copper converting furnaceSep 24, 97Mar 28, 00KENNECOTT UTAH COPPER LLC
6004504 Method and apparatus for controlling bath level and measurement of bath characteristicsMar 12, 98Dec 21, 99TECHINT COMPAGNIA TECNICA INTERNAZIONALE S.P.A.

Showing 1 to 20 of 26 results