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Use of special additives or fluxing agents
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CPC
C21B13/008
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C
CHEMISTRY METALLURGY
C21
Iron metallurgy
C21B
MANUFACTURE OF IRON OR STEEL
C21B13/00
Making spongy iron or liquid steel, by direct processes
Current Industry
C21B13/008
Use of special additives or fluxing agents
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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
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 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
HBI slow cooling system and method
Patent number
11,781,194
Issue date
Oct 10, 2023
Midrex Techonologies, Inc.
James Lloyd Lewis
C21 - METALLURGY OF IRON
Information
Patent Grant
Direct reduced iron (DRI) heat treatment, products formed therefrom...
Patent number
11,427,877
Issue date
Aug 30, 2022
Nucor Corporation
Bradford Granger True
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and apparatus for the production of cast iron, cast iron pro...
Patent number
11,421,289
Issue date
Aug 23, 2022
Francesco Memoli
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for off-gas composition control in a metal smelting apparatus
Patent number
11,390,926
Issue date
Jul 19, 2022
TATA STEEL NEDERLAND TECHNOLOGY BV
Johannes Hage
C21 - METALLURGY OF IRON
Information
Patent Grant
Direct reduction with coal gasification and coke oven gas
Patent number
11,021,766
Issue date
Jun 1, 2021
Midrex Technologies, Inc.
Haruyasu Michishita
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method and apparatus for the production of cast iron, cast iron pro...
Patent number
10,995,379
Issue date
May 4, 2021
Francesco Memoli
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Binding process for pyrophoric steelmaking byproducts
Patent number
10,907,225
Issue date
Feb 2, 2021
J.C. Steele & Sons, Inc.
Charles M. Steele
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for treating animal waste
Patent number
10,766,801
Issue date
Sep 8, 2020
EnviroKure Incorporated
William Blaine
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Method and apparatus for producing metallic iron from iron oxide fines
Patent number
10,661,340
Issue date
May 26, 2020
Reid Reactors LLC
Kenneth John Reid
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Fluxing agent, process of its production, agglomeration mixture and...
Patent number
10,435,760
Issue date
Oct 8, 2019
ECOFER, S.R.O.
Milan Raclavský
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and apparatus for producing metallic iron from iron oxide fines
Patent number
10,434,576
Issue date
Oct 8, 2019
Reid Reactors LLC
Kenneth John Reid
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Molten iron manufacturing apparatus and molten iron manufacturing m...
Patent number
10,422,582
Issue date
Sep 24, 2019
Posco
Jonghwun Jung
C21 - METALLURGY OF IRON
Information
Patent Grant
Methods for mitigating the buildup of direct reduced iron clusters...
Patent number
10,370,732
Issue date
Aug 6, 2019
Midrex Technologies, Inc.
Brian Voelker
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of direct reduction of chromite with cryolite additive
Patent number
10,358,693
Issue date
Jul 23, 2019
Her Majesty the Queen in right of Canada, as represented by the Minister of N...
Samira Sokhanvaran
C21 - METALLURGY OF IRON
Information
Patent Grant
Solid agglomerate of fine metal particles comprising a liquid oily...
Patent number
10,337,078
Issue date
Jul 2, 2019
GESTION MCMARLAND INC.
Michel Beaudoin
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Methods and systems for increasing the carbon content of sponge iro...
Patent number
10,316,376
Issue date
Jun 11, 2019
Midrex Technologies, Inc.
Mirmohammadyousef Motamedhashemi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Hot-briquetting installation
Patent number
10,214,787
Issue date
Feb 26, 2019
MASCHINENFABRIK KOEPPERN GMBH & CO. KG
Christopher Schaefer
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and apparatus for recycling top gas for shaft furnace
Patent number
10,093,996
Issue date
Oct 9, 2018
Synthesis Energy Systems, Inc.
John D. Winter
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method for treating animal waste
Patent number
9,643,868
Issue date
May 9, 2017
EnviroKure, Inc.
William Blaine
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Composite briquette for steelmaking or ironmaking furnace charge
Patent number
9,499,878
Issue date
Nov 22, 2016
Pierre Vayda
C21 - METALLURGY OF IRON
Information
Patent Grant
Composite briquette for steelmaking or ironmaking furnace charge
Patent number
9,499,755
Issue date
Nov 22, 2016
Pierre Vayda
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for preheating iron agglomerates
Patent number
9,200,338
Issue date
Dec 1, 2015
Saarstahl AG
Karl Brotzmann
C21 - METALLURGY OF IRON
Information
Patent Grant
Direct reduction of iron (DRI) pellet treatments
Patent number
9,200,339
Issue date
Dec 1, 2015
ChemTreat, Inc.
Donald C. Roe
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Method for producing granular metallic iron
Patent number
9,180,521
Issue date
Nov 10, 2015
Kobe Steel, Ltd.
Ryota Misawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Integrated steel plant with production of hot or cold DRI
Patent number
8,961,648
Issue date
Feb 24, 2015
HYL Technologies, S.A. DE C.V.
Jorge Octavio Becerra-Novoa
C21 - METALLURGY OF IRON
Information
Patent Grant
Process and plant for producing hot metal
Patent number
8,926,728
Issue date
Jan 6, 2015
Outotec Oyj
Jean-Paul Nepper
C21 - METALLURGY OF IRON
Information
Patent Grant
Direct production of iron slabs and nuggets from ore without pellet...
Patent number
8,906,131
Issue date
Dec 9, 2014
John J. Simmons
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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 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
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
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
IRON BRIQUETTES
Publication number
20240309478
Publication date
Sep 19, 2024
HYBRIT Development AB
Niklas Kojola
C21 - METALLURGY OF IRON
Information
Patent Application
A METHOD FOR PROCESSING IRON ORE TO OBTAIN STEEL
Publication number
20240309475
Publication date
Sep 19, 2024
METSO METALS OY
Timo HAIMI
C21 - METALLURGY OF IRON
Information
Patent Application
A method for manufacturing direct reduced iron
Publication number
20240254576
Publication date
Aug 1, 2024
ARCELORMITTAL
George TSVIK
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESSES AND METHODS FOR BIO-EXTRACTION OF TRACE METALS FROM METAL...
Publication number
20240254591
Publication date
Aug 1, 2024
IMPOSSIBLE MINING INC.
Oliver Gunasekara
C21 - METALLURGY OF IRON
Information
Patent Application
A method for manufacturing direct reduced iron
Publication number
20240254575
Publication date
Aug 1, 2024
ARCELORMITTAL
Sarah SALAME
C21 - METALLURGY OF IRON
Information
Patent Application
BIOMASS DIRECT REDUCED IRON
Publication number
20230407423
Publication date
Dec 21, 2023
TECHNOLOGICAL RESOURCES PTY. LIMITED
Michael Buckley
C21 - METALLURGY OF IRON
Information
Patent Application
Biomass Direct Reduced Iron
Publication number
20230366051
Publication date
Nov 16, 2023
TECHNOLOGICAL RESOURCES PTY. LIMITED
Iain William Farr
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND SYSTEM FOR HEATING DIRECT REDUCED IRON (DRI) BETWEEN A D...
Publication number
20230332259
Publication date
Oct 19, 2023
MIDREX TECHNOLOGIES, INC.
Todd Michael ASTORIA
C21 - METALLURGY OF IRON
Information
Patent Application
Biomass Direct Reduced Iron
Publication number
20230203607
Publication date
Jun 29, 2023
TECHNOLOGICAL RESOURCES PTY. LIMITED
Michael Buckley
C21 - METALLURGY OF IRON
Information
Patent Application
Method for producing liquid pig iron from a DRI product
Publication number
20230175087
Publication date
Jun 8, 2023
SMS group GMBH
Jochen SCHLÜTER
C21 - METALLURGY OF IRON
Information
Patent Application
Biomass Direct Reduced Iron
Publication number
20230131754
Publication date
Apr 27, 2023
Technological Resources Pty. Limited
Rodney James Dry
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING SINTERED ORE
Publication number
20230085232
Publication date
Mar 16, 2023
JFE STEEL CORPORATION
Kenta TAKEHARA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF INTRODUCING A METALLIFEROUS FEED IN AN IRONMAKING PROCESS
Publication number
20220316017
Publication date
Oct 6, 2022
TATA STEEL IJMUIDEN BV
Johannes Leendert Teunis HAGE
C21 - METALLURGY OF IRON
Information
Patent Application
HBI SLOW COOLING SYSTEM AND METHOD
Publication number
20220119900
Publication date
Apr 21, 2022
MIDREX TECHNOLOGIES, INC.
James Lloyd LEWIS
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING IRON IN A METALLURGICAL VESSEL
Publication number
20220081733
Publication date
Mar 17, 2022
TATA STEEL NEDERLAND TECHNOLOGY BV
Hendrikus Koenraad Albertus MEIJER
C21 - METALLURGY OF IRON
Information
Patent Application
Methods for Preheating Metal-Containing Pellets
Publication number
20210364237
Publication date
Nov 25, 2021
Air Products and Chemicals, Inc.
Gregory J. Buragino
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND SYSTEM FOR HEATING DIRECT REDUCED IRON (DRI) BETWEEN A D...
Publication number
20210301360
Publication date
Sep 30, 2021
MIDREX TECHNOLOGIES, INC.
Todd Michael ASTORIA
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Application
Method and apparatus for the production of cast iron, cast iron pro...
Publication number
20210214812
Publication date
Jul 15, 2021
TENOVA S.P.A.
Francesco Memoli
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR OFF-GAS COMPOSITION CONTROL IN A METAL SMELTING APPARATUS
Publication number
20210040572
Publication date
Feb 11, 2021
TATA STEEL NEDERLAND TECHNOLOGY BV
Johannes HAGE
C21 - METALLURGY OF IRON
Information
Patent Application
A PROCESS FOR MANUFACTURING SELF-REDUCING PELLETS/BRIQUETTES FROM B...
Publication number
20200399723
Publication date
Dec 24, 2020
SABIC Global Technologies B.V.
Narottam BEHERA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND SYSTEM FOR THE PRODUCTION OF POROUS IRON
Publication number
20190048429
Publication date
Feb 14, 2019
Bogdan Vuletic
C21 - METALLURGY OF IRON
Information
Patent Application
Method and apparatus for the production of cast iron, cast iron pro...
Publication number
20180274047
Publication date
Sep 27, 2018
TENOVA S.P.A.
Francesco Memoli
B22 - CASTING POWDER METALLURGY
Information
Patent Application
BINDING PROCESS FOR PYROPHORIC STEELMAKING BYPRODUCTS
Publication number
20180237870
Publication date
Aug 23, 2018
JC STEELE & SONS, INC.
Charles M. STEELE
C21 - METALLURGY OF IRON
Information
Patent Application
DIRECT REDUCTION WITH COAL GASIFICATION AND COKE OVEN GAS
Publication number
20180119236
Publication date
May 3, 2018
MIDREX TECHNOLOGIES, INC.
Haruyasu MICHISHITA
C21 - METALLURGY OF IRON