C21C 5/32

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9957581 Method for refining hot metal in converterMar 25, 13May 01, 18JFE Steel Corporation
9863014 Lance and operation method using the sameDec 16, 13Jan 09, 18POSCO
9580764 Top-blowing lance and method for refining molten iron using the sameOct 16, 12Feb 28, 17JFE STEEL CORPORATION
9493854 Converter steelmaking methodDec 19, 12Nov 15, 16JFE STEEL CORPORATION
9259780 Rotational lance drive and rotational lance injection methodMar 15, 13Feb 16, 16ESM GROUP INC.
8771400 Method for manufacturing molten ironMay 14, 10Jul 08, 14ISTC CO., LTD.
8388888 Apparatus for injecting gas into a vesselDec 14, 07Mar 05, 13TECHNOLOGICAL RESOURCES PTY. LIMITED
8366992 Gas injection lanceOct 14, 05Feb 05, 13TECHNOLOGICAL RESOURCES PTY. LIMITED
8142543 Refining ferroalloysJun 09, 03Mar 27, 12BOC GROUP PLC, THE
8137432 Method and furnace for melting steel scrapJun 08, 07Mar 20, 12PRIMETALS TECHNOLOGIES GERMANY GMBH
8114337 Lance extractionMar 01, 06Feb 14, 12TECHNOLOGICAL RESOURCES PTY. LIMITED
8097063 System for furnace slopping prediction and lance optimizationFeb 26, 10Jan 17, 12TENOVA GOODFELLOW INC.
8017068 Inducing swirl in a gas flowDec 14, 07Sep 13, 11TECHNOLOGICAL RESOURCES PTY. LIMITED
7935302 Automatic dross processing systemSep 25, 09May 03, 11Q.C. Designs, Inc.
7687020 Apparatus for injecting material into a vesselDec 14, 07Mar 30, 10TECHNOLOGICAL RESOURCES PTY. LIMITED
7563405 System of gas and/or gas and powders injection in liquid metals through rotary refractory lanceAug 25, 05Jul 21, 09Insider LTDA.
7550108 Metallurgical vesselJul 10, 03Jun 23, 09TATA STEEL NEDERLAND TECHNOLOGY B.V.
7445747 Apparatus for injecting solid particulate material into a vesselJul 26, 05Nov 04, 08TECHNOLOGICAL RESOURCES PTY. LIMITED
7115227 Heat pipeAug 25, 04Oct 03, 06MCGILL UNIVERSITY
6989126 Supplying solid feed materials for a direct smelting processOct 09, 02Jan 24, 06TECHNOLOGICAL RESOURCES PTY. LIMITED

Showing 1 to 20 of 152 results