C22B 1/16

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Class  C22B : PRODUCTION OR REFINING OF METALS


Subclass 1/16: Preliminary treatment of ores or scrap Agglomerating; Briquetting; Binding; Granulating Sintering; Agglomerating

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12195334 Systems of producing hydrogen and biochar from biomass assisted by iron and steel slag extractMay 31, 21Jan 14, 25GREENORE HOLDING CO.
12195822 Cooperative emission reduction method for sintering using energy-carrying composite gas mediumJul 29, 20Jan 14, 25Central South University; ZHONGYE CHANGTIAN INTERNATIONAL ENGINEERING CO., LTD.;
12098443 System and method for solubilising in an aqueous medium elements contained in a sulfide ore concentrateAug 27, 19Sep 24, 24PLATINUM GROUP CHILE SPA
12037659 Method for selective recovery of valuable metal from waste denitrification catalyst through alkali fusionJul 27, 18Jul 16, 24Korea Institute of Geoscience and Mineral Resources
12018349 Methods and systems for leaching a metal-bearing materialSep 15, 22Jun 25, 24Freeport Minerals Corporation
11198914 Raw material for direct reduction, method of producing raw material for direct reduction, and method of producing reduced ironMar 30, 20Dec 14, 21501 Nippon Steel Corporation
10995388 Method for manufacturing sintered oreApr 20, 18May 04, 21JFE Steel Corporation
10724115 Magnetite-based sintered ore and method of producing sameSep 14, 17Jul 28, 20Korea University Research and Business Foundation
10704121 Systems and methods for lowering the reduction of iron ore energyAug 22, 19Jul 07, 20CAPITAL ONE SERVICES, LLC
10704119 Cokeless sinter blend compositionsMay 04, 18Jul 07, 20Nu-Iron Technology LLC
10640847 Recovery of rare earths from concentrates containing fluorineJul 21, 16May 05, 20Hazen Research Inc.
10544480 Agglomeration drum for pre-treating mineralsMay 12, 16Jan 28, 20K+S CHILE S.A.; UNIVERSIDAD TECNICA FEDERICO SANTA MARIA;
10400308 Process for the improvement of copper leaching processes using calcium chlorideAug 17, 16Sep 03, 19Antofagasta Minerals S.A.
10337078 Solid agglomerate of fine metal particles comprising a liquid oily lubricant and method for making sameMay 04, 17Jul 02, 19GESTION MCMARLAND INC.
10301704 Method for smelting saprolite oreDec 01, 15May 28, 19Sumitomo Metal Mining Co. Ltd.
10233516 Method for recovering heavy rare earth elementJan 27, 14Mar 19, 19Hitachi Metals LTD
10155996 Method and device for manufacturing granulatesJul 07, 14Dec 18, 18PRIMETALS TECHNOLOGIES AUSTRIA GMBH
10155997 Device for producing partially reduced ironDec 11, 14Dec 18, 18PRIMETALS TECHNOLOGIES JAPAN, LTD.
10125025 Method for producing hematite for ironmakingJan 30, 15Nov 13, 18Sumitomo Metal Mining Co. Ltd.
10041144 Method for smelting nickel oxide oreJun 30, 15Aug 07, 18Sumitomo Metal Mining Co. Ltd.

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2025/0066,872 HEAPS FOR HEAP LEACHINGOct 26, 22Feb 27, 25Not available
2025/0060,163 Geothermally Powered Pyrometallurgical Zinc ProductionAug 15, 23Feb 20, 25Not available
2025/0003,025 METHODS AND SYSTEMS FOR LEACHING A METAL-BEARING MATERIALSep 13, 24Jan 02, 25Freeport Minerals Corporation
2024/0318,279 AGGLOMERATED ORE AND METHOD FOR PRODUCING SAMESep 22, 22Sep 26, 24501 Nippon Steel Corporation
2024/0301,529 METHODS AND SYSTEMS FOR LEACHING A METAL-BEARING MATERIALMay 10, 24Sep 12, 24Freeport Minerals Corporation
2024/0295,007 METHOD FOR RECOVERING PROCESSED ALUMINUM SCRAPS OF AERONAUTICAL ALUMINUM ALLOYMar 04, 22Sep 05, 24THE BOEING COMPANY
2024/0287,631 AGGLOMERATED ORE ASSESSING METHOD AND AGGLOMERATED OREMar 09, 22Aug 29, 24JFE Steel Corporation
2024/0279,758 METHOD FOR PRODUCING AGGLOMERATED ORE, METHOD FOR PRODUCING REDUCED IRON, AGGLOMERATED ORE, SINTERING MACHINE AND PELLET FIRING FURNACEApr 08, 22Aug 22, 24JFE Steel Corporation
2024/0279,766 A METAL AGGLOMERATE PRODUCTION CONFIGURATIONJun 07, 22Aug 22, 24Not available
2024/0258,596 GRAPHITE RECYCLING FROM LI-ION BATTERIESJan 30, 24Aug 01, 24Not available
2024/0175,101 REDUCED IRON PRODUCTION METHOD AND REDUCED IRON PRODUCTION DEVICEDec 03, 21May 30, 24JFE Steel Corporation
2024/0158,886 METHOD FOR PRODUCING IRON ORE PELLETSMay 13, 21May 16, 24Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2024/0128,530 VALUABLE METAL RECOVERY METHOD AND RECOVERY APPARATUSFeb 08, 22Apr 18, 24Mitsubishi Materials Corporation
2024/0100,579 RESOURCE RECOVERY METHOD AND RESOURCE RECOVERY SYSTEM OF DESULFURIZED ASHDec 03, 19Mar 28, 24Not available
2024/0042,523 TWO-STEP THERMAL TREATMENT OF NICKEL-CONTAINING SULFIDES FOR THE PRODUCTION OF FERRONICKELDec 14, 21Feb 08, 24The Governing Council of the University of Toronto
2024/0035,113 Microbial-assisted Heap LeachingJul 28, 23Feb 01, 24Not available
2022/0049,368 METHODS OF FORMING A METAL ALLOYAug 11, 21Feb 17, 22Not available
2021/0172,038 Process of Ceramic Proppant Production From Iron Ore and/or Sterile From Its Exploitation and/or Tailings From Its Beneficiation with Agglomeration of Fine and Ultrafine Particles - PCFDec 06, 19Jun 10, 21Not available
2021/0087,652 GRANULATED MATERIAL, METHOD FOR PRODUCING GRANULATED MATERIAL, AND METHOD FOR PRODUCING SINTERED OREMar 20, 19Mar 25, 21JFE Steel Corporation
2018/0320,245 COKELESS SINTER BLEND COMPOSITIONSMay 04, 18Nov 08, 18Not available

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