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MANUFACTURE OF IRON OR STEEL
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C21B
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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
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Patents Grants
last 30 patents
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
Information
Patent Grant
Integrated heated member management system and method for controlli...
Patent number
11,940,218
Issue date
Mar 26, 2024
EXCELLO CO., LTD.
Seung Jae Park
C21 - METALLURGY OF IRON
Information
Patent Grant
Blast furnace apparatus and operation method for blast furnace
Patent number
11,940,215
Issue date
Mar 26, 2024
JFE Steel Corporation
Yusuke Kashihara
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for the purification of waste materials or industrial by-pr...
Patent number
11,938,527
Issue date
Mar 26, 2024
amaTEQ Holding GmbH
Alexander Kehrmann
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Method and installation for removing slag from metallurgical melts
Patent number
11,926,879
Issue date
Mar 12, 2024
RIA Cast House Enginering GmbH
David Roth
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Oxygen injection for reformer feed gas for direct reduction process
Patent number
11,920,204
Issue date
Mar 5, 2024
Midrex Technologies, Inc.
Haruyasu Michishita
C21 - METALLURGY OF IRON
Information
Patent Grant
Refractory batch, a method for producing an unshaped refractory cer...
Patent number
11,905,217
Issue date
Feb 20, 2024
Refractory Intellectual Property GmbH & Co. KG
Stefan Heid
C21 - METALLURGY OF IRON
Information
Patent Grant
High-efficiency photonic furnaces for metal production
Patent number
11,898,798
Issue date
Feb 13, 2024
LIMELIGHT STEEL INC.
Olivia Faye Dippo
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and device for monitoring blast furnace state based on multi...
Patent number
11,898,212
Issue date
Feb 13, 2024
Zhejiang University
Xiaoyu Tang
C21 - METALLURGY OF IRON
Information
Patent Grant
High-carbon biogenic reagents and uses thereof
Patent number
11,891,582
Issue date
Feb 6, 2024
Carbon Technology Holdings, LLC
Daniel J. Despen
C21 - METALLURGY OF IRON
Information
Patent Grant
Surface profile detection apparatus of burden in blast furnace and...
Patent number
11,891,672
Issue date
Feb 6, 2024
WADECO CO., LTD.
Hayae Kayano
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and apparatus for direct drying of inorganic sludge with dru...
Patent number
11,891,318
Issue date
Feb 6, 2024
Baoshan Iron & Steel Co., Ltd.
Yingjie Wang
C21 - METALLURGY OF IRON
Information
Patent Grant
High-carbon biogenic reagents and uses thereof
Patent number
11,879,107
Issue date
Jan 23, 2024
Carbon Technology Holdings, LLC
Daniel J. Despen
C21 - METALLURGY OF IRON
Information
Patent Grant
Vessel for containing direct reduced iron
Patent number
11,859,907
Issue date
Jan 2, 2024
Danieli & C. Officine Meccaniche SpA
Angelico Della Negra
C21 - METALLURGY OF IRON
Information
Patent Grant
Carbon-negative metallurgical products
Patent number
11,851,723
Issue date
Dec 26, 2023
Carbon Technology Holdings, LLC
James A. Mennell
C21 - METALLURGY OF IRON
Information
Patent Grant
Ironmaking feedstock
Patent number
11,851,725
Issue date
Dec 26, 2023
Swinburne University of Technology
Suneeti Purohit
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for the purification of waste materials or industrial by-pr...
Patent number
11,850,641
Issue date
Dec 26, 2023
amaTEQ Holding GmbH
Alexander Kehrmann
C21 - METALLURGY OF IRON
Information
Patent Grant
High-efficiency photonic furnaces for metal production
Patent number
11,852,412
Issue date
Dec 26, 2023
LIMELIGHT STEEL INC.
Olivia Faye Dippo
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Foundry coke products, and associated systems, devices, and methods
Patent number
11,851,724
Issue date
Dec 26, 2023
SunCoke Technology and Development LLC
John Francis Quanci
C21 - METALLURGY OF IRON
Information
Patent Grant
Lance unblocking method and apparatus
Patent number
11,835,296
Issue date
Dec 5, 2023
Tata Steel Limited
Mark Hayton
B08 - CLEANING
Information
Patent Grant
Hole-opening bit and tap hole opening method using same
Patent number
11,821,048
Issue date
Nov 21, 2023
JFE Steel Corporation
Yohei Kitamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Gasifier for organic solid waste by injection into molten iron and...
Patent number
11,795,407
Issue date
Oct 24, 2023
Qiang Niu
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Systems and methods for steel production
Patent number
11,788,158
Issue date
Oct 17, 2023
PATHFINDER HOLDINGS CORP.
James Maurice Small
C21 - METALLURGY OF IRON
Information
Patent Grant
Integration of DR plant and electric DRI melting furnace for produc...
Patent number
11,788,159
Issue date
Oct 17, 2023
Midrex Technologies, Inc.
Todd Michael Astoria
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
Reactors and Methods to Reduce Carbon Footprint of Electric Arc Fur...
Publication number
20240167172
Publication date
May 23, 2024
Dioxycle
Sarah Lamaison
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING PIG IRON
Publication number
20240167109
Publication date
May 23, 2024
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Kazuya MIYAGAWA
C21 - METALLURGY OF IRON
Information
Patent Application
RAW MATERIAL PARTICLES FOR PRODUCTION OF AGGLOMERATE, METHOD FOR PR...
Publication number
20240167110
Publication date
May 23, 2024
JFE STEEL CORPORATION
Takahide HIGUCHI
C21 - METALLURGY OF IRON
Information
Patent Application
Reactors and Methods for Production of Sustainable Chemicals using...
Publication number
20240167170
Publication date
May 23, 2024
Dioxycle
Ruperto G Mariano
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING PIG IRON
Publication number
20240167111
Publication date
May 23, 2024
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Akito KASAI
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF
Publication number
20240158710
Publication date
May 16, 2024
Carbon Technology Holdings, LLC
Daniel J. Despen
C01 - INORGANIC CHEMISTRY
Information
Patent Application
SYSTEMS AND METHODS FOR PRODUCING SYNGAS FROM BIO-OIL
Publication number
20240150170
Publication date
May 9, 2024
Charm Industrial, Inc.
Peter Reinhardt
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND SYSTEM FOR PRODUCING DIRECT REDUCED METAL
Publication number
20240150859
Publication date
May 9, 2024
GREENIRON H2 AB
Hans MURRAY
C21 - METALLURGY OF IRON
Information
Patent Application
Manufacturing method of a steel product
Publication number
20240132981
Publication date
Apr 25, 2024
ARCELORMITTAL
Hugo DA GAMA CAMPOS
C21 - METALLURGY OF IRON
Information
Patent Application
A method of manufacturing of a steel product in several steelmaking...
Publication number
20240132984
Publication date
Apr 25, 2024
ARCELORMITTAL
Hugo DA GAMA CAMPOS
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF
Publication number
20240132795
Publication date
Apr 25, 2024
Carbon Technology Holdings, LLC
Daniel J. Despen
C21 - METALLURGY OF IRON
Information
Patent Application
RESIDUAL LIQUID AMOUNT DETECTION METHOD AND DETECTION APPARATUS FOR...
Publication number
20240132982
Publication date
Apr 25, 2024
JFE STEEL CORPORATION
Yuki KAWASHIRI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND APPARATUS FOR THE TREATMENT OF BLACK SLAG
Publication number
20240132980
Publication date
Apr 25, 2024
TRUYOINS S.R.L.
Franco CARLESSO
C21 - METALLURGY OF IRON
Information
Patent Application
Method of manufacturing steel
Publication number
20240132983
Publication date
Apr 25, 2024
ARCELORMITTAL
Hugo DA GAMA CAMPOS
C21 - METALLURGY OF IRON
Information
Patent Application
HEIGHT-ADJUSTABLE SLAG TRANSPORTER
Publication number
20240124283
Publication date
Apr 18, 2024
TML Technik GmbH
Christof MIKAT
C21 - METALLURGY OF IRON
Information
Patent Application
METAL OXIDE MATERIAL REDUCTION MEANS
Publication number
20240124948
Publication date
Apr 18, 2024
LUOSSAVAARA-KIIRUNAVAARA AB
Ola Eriksson
C21 - METALLURGY OF IRON
Information
Patent Application
DIRECT REDUCTION OF IRON BY HYDROGEN PLASMA IN A ROTARY KILN REACTOR
Publication number
20240110254
Publication date
Apr 4, 2024
UChicago Argonne, LLC
Zuotao Zeng
C21 - METALLURGY OF IRON
Information
Patent Application
AGGLOMERATED STONE FOR USE IN AN ELECTRIC FURNACE
Publication number
20240102119
Publication date
Mar 28, 2024
ThyssenKrupp Steel Europe AG
Ronald ERDMANN
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
SYSTEM AND METHOD FOR DELIVERING FLUIDIZED POWDER BASED ON FLUE GAS...
Publication number
20240102118
Publication date
Mar 28, 2024
SHANDONG UNIVERSITY
Jingcai CHANG
C21 - METALLURGY OF IRON
Information
Patent Application
ARRANGEMENT AND PROCESS FOR CHARGING IRON ORE TO, AND/OR DISCHARGIN...
Publication number
20240093330
Publication date
Mar 21, 2024
HYBRIT Development AB
Farzad Mohseni-Mörner
C21 - METALLURGY OF IRON
Information
Patent Application
BLEED-OFF GAS RECOVERY IN A DIRECT REDUCTION PROCESS
Publication number
20240084410
Publication date
Mar 14, 2024
HYBRIT Development AB
Farzad Mohseni-Mörner
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD OF PRODUCING MOLTEN IRON USING ELECTRIC FURNACE INCLUDING VI...
Publication number
20240085110
Publication date
Mar 14, 2024
JFE STEEL CORPORATION
Koichi TSUTSUMI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR OPERATING A BLAST FURNACE PLANT
Publication number
20240077255
Publication date
Mar 7, 2024
PAUL WURTH S.A.
Paul TOCKERT
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-EFFICIENCY PHOTONIC FURNACES FOR METAL PRODUCTION
Publication number
20240077256
Publication date
Mar 7, 2024
Limelight Steel Inc.
Olivia Faye DIPPO
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SMART HYDROGEN PRODUCTION FOR DRI MAKING
Publication number
20240052441
Publication date
Feb 15, 2024
PAUL WURTH S.A.
Cristiano CASTAGNOLA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL PRODUCTION FROM IRON MELT
Publication number
20240052442
Publication date
Feb 15, 2024
PRIMETALS TECHNOLOGIES AUSTRIA GMBH
Robert MILLNER
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR CHARGING RAW MATERIALS INTO BLAST FURNACE
Publication number
20240052439
Publication date
Feb 15, 2024
JFE STEEL CORPORATION
Kazuhira Ichikawa
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF STEEL SMELTING DIRECTLY FROM IRON ORE
Publication number
20240052440
Publication date
Feb 15, 2024
SIEC BADAWCZA LUKASIEWICZ INSTYTUT METALURGII ZELAZA IM. STANISLAWA STASZICA...
Jan MROZ
C21 - METALLURGY OF IRON
Information
Patent Application
A PROCESS FOR TRANSITION METAL OXIDE REDUCTION
Publication number
20240043960
Publication date
Feb 8, 2024
Helios Project Ltd.
Jonathan Hausner
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SLAG ABRASIVE MATERIALS FOR BLASTING
Publication number
20240042577
Publication date
Feb 8, 2024
SABIC Global Technologies B.V.
Masoud Said AL-GAHTANI
C21 - METALLURGY OF IRON