Membership
Tour
Register
Log in
MANUFACTURE OF IRON OR STEEL
Follow
Industry
CPC
C21B
Parent Industries
C
CHEMISTRY METALLURGY
C21
Iron metallurgy
Current Industry
C21B
MANUFACTURE OF IRON OR STEEL
Sub Industries
C21B11/00
Making pig-iron other than in blast furnaces
C21B13/00
Making spongy iron or liquid steel, by direct processes
C21B15/00
Other processes for the manufacture of iron from iron compounds
C21B2100/00
Exhaust gases
C21B2200/00
Recycling of waste material
C21B2300/00
Process aspects
C21B3/00
General features in the manufacture of pig-iron
C21B5/00
Making pig-iron in the blast furnace
C21B7/00
Blast furnaces
C21B9/00
Stoves for heating the blast in blast furnaces
Industries
Overview
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing iron in a metallurgical vessel
Patent number
12,173,376
Issue date
Dec 24, 2024
TATA STEEL NEDERLAND TECHNOLOGY BV
Hendrikus Koenraad Albertus Meijer
C21 - METALLURGY OF IRON
Information
Patent Grant
Processing method
Patent number
12,168,814
Issue date
Dec 17, 2024
SUBARU CORPORATION
Yukihiro Hagiwara
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for detecting water leaks from smelting furnaces in metal o...
Patent number
12,169,157
Issue date
Dec 17, 2024
Danieli & C. Officine Meccaniche SpA
Alessandra Primavera
C21 - METALLURGY OF IRON
Information
Patent Grant
Hydrogen reduction of iron ore concentrate in loose layers and comp...
Patent number
12,163,198
Issue date
Dec 10, 2024
University of Utah Research Foundation
Hong Yong R. Sohn
C21 - METALLURGY OF IRON
Information
Patent Grant
Suspension roasting system and method for industrial processing of...
Patent number
12,139,774
Issue date
Nov 12, 2024
Northeastern University
Yuexin Han
C21 - METALLURGY OF IRON
Information
Patent Grant
Battery recycling
Patent number
12,136,713
Issue date
Nov 5, 2024
FORM ENERGY, INC.
Nicholas Reed Perkins
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Formation method for slag flow, production method for organic compo...
Patent number
12,116,643
Issue date
Oct 15, 2024
FUJIFILM Corporation
Kazunori Takahashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and device for producing direct reduced metal
Patent number
12,104,222
Issue date
Oct 1, 2024
GREENIRON H2 AB
Hans Murray
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for transition metal oxide reduction
Patent number
12,104,224
Issue date
Oct 1, 2024
Helios Project Ltd.
Jonathan Hausner
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for charging raw materials into blast furnace
Patent number
12,098,437
Issue date
Sep 24, 2024
JFE Steel Corporation
Kazuhira Ichikawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Seal gas optimization systems and methods for a direct reduction pr...
Patent number
12,098,436
Issue date
Sep 24, 2024
Midrex Technologies, Inc.
Faycal Finnouche
C21 - METALLURGY OF IRON
Information
Patent Grant
Integrated hydrogen production method and system
Patent number
12,091,758
Issue date
Sep 17, 2024
Utility Global, Inc.
Nicholas Farandos
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Methods and systems for increasing the carbon content of direct red...
Patent number
12,084,730
Issue date
Sep 10, 2024
Midrex Technologies, Inc.
Keith Marshall Bastow-Cox
C21 - METALLURGY OF IRON
Information
Patent Grant
High-carbon biogenic reagents and uses thereof
Patent number
12,084,623
Issue date
Sep 10, 2024
Carbon Technology Holdings, LLC
Daniel J. Despen
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Device for manufacturing molten iron
Patent number
12,084,731
Issue date
Sep 10, 2024
POSCO Co., Ltd
Chang Kuk Ko
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Shaft furnace condition monitoring
Patent number
12,071,675
Issue date
Aug 27, 2024
Paul Wurth S.A.
Christian De Gruiter
C21 - METALLURGY OF IRON
Information
Patent Grant
Fine particle coal, and systems, apparatuses, and methods for colle...
Patent number
12,071,346
Issue date
Aug 27, 2024
Somerset International, Inc.
Richard Troiano
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Direct reduced iron system and method
Patent number
12,060,622
Issue date
Aug 13, 2024
Nucor Corporation
Brad True
C21 - METALLURGY OF IRON
Information
Patent Grant
System and method for delivering fluidized powder based on flue gas...
Patent number
12,054,795
Issue date
Aug 6, 2024
SHANDONG UNIVERSITY
Jingcai Chang
C21 - METALLURGY OF IRON
Information
Patent Grant
System and method for reducing ore using hydrogen as a reducing agent
Patent number
12,043,874
Issue date
Jul 23, 2024
Ohmium International, Inc.
Chockkalingam Karuppaiah
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Direct smelting process with full combustion
Patent number
12,018,340
Issue date
Jun 25, 2024
TATA STEEL NEDERLAND TECHNOLOGY BV
Hendrikus Koenraad Albertus Meijer
C21 - METALLURGY OF IRON
Information
Patent Grant
System and method for the production of hot briquetted iron (HBI) c...
Patent number
12,000,011
Issue date
Jun 4, 2024
Midrex Technologies, Inc.
Haruyasu Michishita
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of detecting crack propagation in wall of a metallurgical fu...
Patent number
11,994,495
Issue date
May 28, 2024
Tata Steel Limited
Sanjay Chandra
G01 - MEASURING TESTING
Information
Patent Grant
Spray cooling furnace electrodes with a cooling liquid that contain...
Patent number
11,979,968
Issue date
May 7, 2024
ChemTreat, Inc.
Joseph S. Strasser
C21 - METALLURGY OF IRON
Information
Patent Grant
Systems and apparatus for production of high-carbon biogenic reagents
Patent number
11,965,139
Issue date
Apr 23, 2024
Carbon Technology Holdings, LLC
James A. Mennell
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method and system for heating direct reduced iron (DRI) between a D...
Patent number
11,965,221
Issue date
Apr 23, 2024
Midrex Technologies, Inc.
Todd Michael Astoria
C21 - METALLURGY OF IRON
Information
Patent Grant
High-carbon biogenic reagents and uses thereof
Patent number
11,959,038
Issue date
Apr 16, 2024
Carbon Technology Holdings, LLC
Daniel J. Despen
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Production of iron
Patent number
11,959,153
Issue date
Apr 16, 2024
Technological Resources Pty. Limited
Michael Buckley
C21 - METALLURGY OF IRON
Information
Patent Grant
Direct reduction process utilizing hydrogen
Patent number
11,952,638
Issue date
Apr 9, 2024
Midrex Technologies, Inc.
Keith Marshall Bastow-Cox
C21 - METALLURGY OF IRON
Information
Patent Grant
Foundry coke products and associated processing methods via cupolas
Patent number
11,946,108
Issue date
Apr 2, 2024
SunCoke Technology and Development LLC
John Francis Quanci
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
INFORMATION PROCESSING METHOD, INFORMATION PROCESSING DEVICE, INFOR...
Publication number
20240426728
Publication date
Dec 26, 2024
JFE STEEL CORPORATION
C21 - METALLURGY OF IRON
Information
Patent Application
GEOTHERMALLY POWERED IRON PRODUCTION SYSTEMS AND METHODS
Publication number
20240425941
Publication date
Dec 26, 2024
EnhancedGEO Holdings, LLC
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING AGGLOMERATED RAW MATERIAL
Publication number
20240425942
Publication date
Dec 26, 2024
JFE STEEL CORPORATION
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PREDICTING IMPURITY CONCENTRATION OF MOLTEN IRON, METHOD...
Publication number
20240417818
Publication date
Dec 19, 2024
JFE STEEL CORPORATION
Yoshihiro MIWA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING DIRECT REDUCTION IRON
Publication number
20240410027
Publication date
Dec 12, 2024
NIPPON STEEL CORPORATION
Moritoshi MIZUTANI
C21 - METALLURGY OF IRON
Information
Patent Application
Process for Transition Metal Oxide Reduction
Publication number
20240401168
Publication date
Dec 5, 2024
Helios Project Ltd.
Jonathan Hausner
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR OPERATING A BLAST FURNACE PLANT
Publication number
20240400384
Publication date
Dec 5, 2024
PAUL WURTH S.A.
Klaus Peter KINZEL
C01 - INORGANIC CHEMISTRY
Information
Patent Application
DIRECT REDUCED IRON SYSTEM AND METHOD
Publication number
20240401160
Publication date
Dec 5, 2024
Nucor Corporation
Brad True
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
HYDROGEN HEATING APPARATUS FOR BLAST FURNACES, HYDROGEN HEATING MET...
Publication number
20240392397
Publication date
Nov 28, 2024
CLEAN PLANET Inc.
Yoshito Endo
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR REFINING MOLTEN IRON
Publication number
20240392398
Publication date
Nov 28, 2024
Industry-Academic Cooperation Foundation, Yonsei University
Gyo Khang PARK
C21 - METALLURGY OF IRON
Information
Patent Application
INDUCTION HEATING OF DRI
Publication number
20240392399
Publication date
Nov 28, 2024
Christopher HARRIS
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR REFINING MOLTEN IRON
Publication number
20240392400
Publication date
Nov 28, 2024
Industry-Academic Cooperation Foundation, Yonsei University
Gyo Khang PARK
C21 - METALLURGY OF IRON
Information
Patent Application
IRONMAKING METHOD
Publication number
20240384364
Publication date
Nov 21, 2024
NIPPON STEEL CORPORATION
Moritoshi MIZUTANI
C21 - METALLURGY OF IRON
Information
Patent Application
SOLID AGGLOMERATE FOR USE IN A STEEL REDUCTION FURNACE.
Publication number
20240384363
Publication date
Nov 21, 2024
TECNORED DESENVOLVIMENTO TECNOLOGICO S.A.
Ronald Lopes DE OLIVEIRA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING SLAG HAVING A DESIRED QUALITY
Publication number
20240376559
Publication date
Nov 14, 2024
ThyssenKrupp Steel Europe AG
Thomas BAUR
C21 - METALLURGY OF IRON
Information
Patent Application
Method and System for Treating CO2
Publication number
20240375962
Publication date
Nov 14, 2024
D-CRBN BV
Gill SCHELTJENS
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Process for the Production of Zinc Oxide Concentrate and Iron Ecosi...
Publication number
20240368731
Publication date
Nov 7, 2024
Juarez Linhares
C21 - METALLURGY OF IRON
Information
Patent Application
MOLTEN PIG IRON MANUFACTURING METHOD
Publication number
20240368716
Publication date
Nov 7, 2024
NIPPON STEEL CORPORATION
Toshiya HARADA
C21 - METALLURGY OF IRON
Information
Patent Application
SUPPLY HEAT QUANTITY ESTIMATING METHOD, SUPPLY HEAT QUANTITY ESTIMA...
Publication number
20240368715
Publication date
Nov 7, 2024
JFE STEEL CORPORATION
Kazuhira ICHIKAWA
C21 - METALLURGY OF IRON
Information
Patent Application
Enrichment of Iron from Bauxite Waste in Chemical Looping Combustion
Publication number
20240360525
Publication date
Oct 31, 2024
University of Kentucky Research Foundation
Neng Huang
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR OPERATING A METALLURGICAL PLANT FOR PRODUCING IRON PRODUCTS
Publication number
20240360526
Publication date
Oct 31, 2024
PAUL WURTH S.A.
Cristiano CASTAGNOLA
C21 - METALLURGY OF IRON
Information
Patent Application
IRON-CONTAINING POWDER DIRECT STEELMAKING DEVICE IN REDUCING ATMOSP...
Publication number
20240352547
Publication date
Oct 24, 2024
Xiao ZHAO
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING AN IRON MELT
Publication number
20240344155
Publication date
Oct 17, 2024
ThyssenKrupp Steel Europe AG
Frank AHRENHOLD
C21 - METALLURGY OF IRON
Information
Patent Application
SYSTEMS AND APPARATUS FOR PRODUCTION OF HIGH-CARBON BIOGENIC REAGENTS
Publication number
20240343985
Publication date
Oct 17, 2024
Carbon Technology Holdings, LLC
James A. Mennell
C01 - INORGANIC CHEMISTRY
Information
Patent Application
SYSTEM AND METHOD FOR REDUCING ORE USING HYDROGEN AS A REDUCING AGENT
Publication number
20240336986
Publication date
Oct 10, 2024
Ohmium International, Inc.
Chockkalingam KARUPPAIAH
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
PROCESSES AND METHODS FOR THE PRODUCTION OF IRON AND STEEL
Publication number
20240327937
Publication date
Oct 3, 2024
Calix Ltd.
Mark SCEATS
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR RECOVERING IRON AND VALUABLE METALS FROM ELECTRIC ARC FU...
Publication number
20240327936
Publication date
Oct 3, 2024
KOREA ZINC CO., LTD.
Heon Sik CHOI
C21 - METALLURGY OF IRON
Information
Patent Application
SUSPENSION ROASTING SYSTEM AND METHOD FOR INDUSTRIAL PROCESSING OF...
Publication number
20240327946
Publication date
Oct 3, 2024
NORTHEASTERN UNIVERSITY
Yuexin HAN
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR PRODUCING HYDROGEN AND GRAPHITIC CARBON FROM HYDROCARBONS
Publication number
20240327212
Publication date
Oct 3, 2024
HAZER GROUP LTD.
Andrew CORNEJO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SUSTAINABLE STEEL PRODUCTION WITH CO-GENERATION OF HYDROGEN
Publication number
20240327939
Publication date
Oct 3, 2024
Saudi Arabian Oil Company
Faisal B. Almutairi
C21 - METALLURGY OF IRON