C21C 5/34

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2023/0287,529 BLOWING CONTROL METHOD FOR MAINTAINING MUSHROOM HEAD OF BOTTOM-BLOWING NOZZLE CONVERTERJul 22, 21Sep 14, 23Not available
2021/0017,616 TUYERE FOR A BASIC OXYGEN FURNACEJul 17, 19Jan 21, 21Air Products and Chemicals, Inc.
2019/0218,631 BOTTOM STIRRING TUYERE AND METHOD FOR A BASIC OXYGEN FURNACEJan 17, 18Jul 18, 19Air Products and Chemicals, Inc.
2018/0163,280 METAL MAKING LANCE WITH INFRARED CAMERA IN LANCE HEADNov 27, 17Jun 14, 18Not available
2015/0198,371 REFRACTORY CERAMIC GAS PURGING PLUG AND A PROCESS FOR MANUFACTURING SAID GAS PURGING PLUGAug 06, 13Jul 16, 15REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG
2015/0184,265 GAS PURGING ELEMENT AND ASSOCIATED GAS FEED LINEAug 17, 13Jul 02, 15REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG
2008/0047,396 Method for Controlling a Molten Metal Bath Bubbling in a Metallurgical Vessel and a Device for Carrying Out Said MethodJun 14, 05Feb 28, 08ARCELORMITTAL FRANCE
2005/0155,457 Method and device for the continuous production of steel using metal charge materialMar 17, 05Jul 21, 05SMS SIEMAG AKTIENGESELLSCHAFT
2004/0050,210 Method for reprocessing dust or dust mixturesOct 28, 02Mar 18, 04HOLCIM TECHNOLOGY LTD
2002/0174,746 Ladle refining of steelApr 02, 02Nov 28, 02NUCOR CORPORATION