obtaining iron or steel in a molten state

Industry

CPC
C21B13/0006

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Parent Industries

CCHEMISTRY METALLURGY C21Iron metallurgy C21BMANUFACTURE OF IRON OR STEEL C21B13/00Making spongy iron or liquid steel, by direct processes

Current Industry

C21B13/0006obtaining iron or steel in a molten state

Industries

Patents Grantslast 30 patents

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
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
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
Reduced iron production method and production apparatus
- Patent number 11,549,155
- Issue date Jan 10, 2023
- Kobe Steel, Ltd.
- Tomoki Uemura
- C21 - METALLURGY OF IRON
Information Patent Grant
Burner, method for operating burner, and method for melting and ref...
- Patent number 11,473,776
- Issue date Oct 18, 2022
- Taiyo Nippon Sanso Corporation
- Yasuyuki Yamamoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Gasification or liquefaction of coal using a metal reactant alloy c...
- Patent number 11,359,253
- Issue date Jun 14, 2022
- Elemental Recycling, Inc.
- Ronald G. Presswood
- C21 - METALLURGY OF IRON
Information Patent Grant
Classified reduction gasification iron smelting process of iron ore...
- Patent number 10,801,081
- Issue date Oct 13, 2020
- CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
- Yuanyu Tian
- C21 - METALLURGY OF IRON
Information Patent Grant
Gasification or liquefaction of coal using a metal reactant alloy c...
- Patent number 10,316,375
- Issue date Jun 11, 2019
- Ronald G. Presswood
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Direct smelting process
- Patent number 10,280,489
- Issue date May 7, 2019
- Tata Steel Limited
- Rodney James Dry
- C21 - METALLURGY OF IRON
Information Patent Grant
Direct smelting process
- Patent number 10,023,945
- Issue date Jul 17, 2018
- Tata Steel Limited
- Rodney James Dry
- C21 - METALLURGY OF IRON
Information Patent Grant
Direct smelting process
- Patent number 10,000,821
- Issue date Jun 19, 2018
- Tata Steel Limited
- Rodney James Dry
- C21 - METALLURGY OF IRON
Information Patent Grant
Fixed-type electric furnace and molten steel production method
- Patent number 9,932,649
- Issue date Apr 3, 2018
- Posco
- Baek Lee
- C21 - METALLURGY OF IRON
Information Patent Grant
Starting a smelting process
- Patent number 9,771,626
- Issue date Sep 26, 2017
- Technological Resources Pty. Limited
- Carolyn McCarthy
- C21 - METALLURGY OF IRON
Information Patent Grant
Cokeless reverberatory furnace for melting iron with separate heart...
- Patent number 9,617,610
- Issue date Apr 11, 2017
- Baha Elsayed Abulnaga
- C21 - METALLURGY OF IRON
Information Patent Grant
Iron reduction process and equipment
- Patent number 9,499,872
- Issue date Nov 22, 2016
- VAL'EAS RECYCLING SOLUTIONS AB
- Sven Santén
- C21 - METALLURGY OF IRON
Information Patent Grant
Starting a smelting process
- Patent number 9,458,518
- Issue date Oct 4, 2016
- Technological Resources Pty, Limited
- Jacques Pilote
- C21 - METALLURGY OF IRON
Information Patent Grant
Producing of pig iron from iron-containing materials
- Patent number 9,404,165
- Issue date Aug 2, 2016
- HOFFMAN & SONS TECHNOLOGIES, LLC
- Glenn E. Hoffman
- C21 - METALLURGY OF IRON
Information Patent Grant
Direct smelting process
- Patent number 9,359,656
- Issue date Jun 7, 2016
- Technological Resources PTY Limited
- Rodney James Dry
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and device for reducing iron-oxide-containing feedstocks in...
- Patent number 9,255,302
- Issue date Feb 9, 2016
- Siemens Vai Metals Technologies GmbH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for producing molten iron
- Patent number 8,845,779
- Issue date Sep 30, 2014
- ISTC Co., Ltd.
- Teruyoshi Hiraoka
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for extracting metals from aluminoferrous titanoferrous ore...
- Patent number 8,540,951
- Issue date Sep 24, 2013
- Keki Hormusji Gharda
- C21 - METALLURGY OF IRON
Information Patent Grant
Metallurgical process and plant therefor
- Patent number 8,496,728
- Issue date Jul 30, 2013
- Outotec Oyj
- Andreas Orth
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and device for producing molten material
- Patent number 8,317,898
- Issue date Nov 27, 2012
- Siemens Vai Metals Technologies GmbH
- Franz Hauzenberger
- C21 - METALLURGY OF IRON
Information Patent Grant
Direct smelting plant
- Patent number 8,156,709
- Issue date Apr 17, 2012
- Technological Resources Pty. Limited
- Philip James Ions
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for manufacturing titanium oxide-containing slag
- Patent number 8,088,195
- Issue date Jan 3, 2012
- Kobe Steel Ltd.
- Hidetoshi Tanaka
- C21 - METALLURGY OF IRON
Information Patent Grant
Electric arc furnace steelmaking
- Patent number 8,057,570
- Issue date Nov 15, 2011
- Technological Resources Pty. Limited
- Christopher Martin Hayman
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for producing reduced metal
- Patent number 8,012,236
- Issue date Sep 6, 2011
- Kabushiki Kaisha Kobe Seiko Sho Kobe Steel, Ltd.
- Koji Tokuda
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing metallic iron
- Patent number 7,846,235
- Issue date Dec 7, 2010
- Kobe Steel, Ltd.
- Shoichi Kikuchi
- C21 - METALLURGY OF IRON
Information Patent Grant
Metallic iron nuggets
- Patent number 7,806,959
- Issue date Oct 5, 2010
- Midrex International B.V. Zurich Branch
- Shuzo Ito
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing metallic iron
- Patent number 7,674,316
- Issue date Mar 9, 2010
- Midrex International B.V. Zurich Branch
- Osamu Tsuge
- C21 - METALLURGY OF IRON

Patents Applicationslast 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
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
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
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
PROCESS FOR PRODUCING GRAPHENE, OTHER CARBON ALLOTROPES AND MATERIALS
- Publication number 20240200158
- Publication date Jun 20, 2024
- Ian Bishop
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD OF OPERATING AN ELECTRIC ARC FURNACE AND STEEL MILL
- Publication number 20240191314
- Publication date Jun 13, 2024
- PAUL WURTH S.A.
- Jan KRULL
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-EFFICIENCY PHOTONIC FURNACES FOR METAL PRODUCTION
- Publication number 20240183614
- Publication date Jun 6, 2024
- Limelight Steel Inc.
- Olivia Faye DIPPO
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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
SYSTEMS AND METHODS FOR STEEL PRODUCTION
- Publication number 20230416854
- Publication date Dec 28, 2023
- Pathfinder Holdings Corp.
- James Maurice Small
- C21 - METALLURGY OF IRON
Information Patent Application
SYSTEMS AND METHODS FOR STEEL PRODUCTION
- Publication number 20230257838
- Publication date Aug 17, 2023
- Pathfinder Holdings Corp.
- James Maurice Small
- 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
PLASMA INDUCED FUMING FURNACE
- Publication number 20220389536
- Publication date Dec 8, 2022
- AURUBIS BEERSE
- Mathias Chintinne
- C21 - METALLURGY OF IRON
Information Patent Application
Gasification or Liquefaction of Coal Using a Metal Reactant Alloy C...
- Publication number 20220282345
- Publication date Sep 8, 2022
- Elemental Recycling, Inc.
- Ronald G. Presswood
- C01 - INORGANIC CHEMISTRY
Information Patent Application
IRONMAKING SYSTEM AND IRONMAKING PROCESS OF TWO-SECTION DOWNDRAFT BED
- Publication number 20220213567
- Publication date Jul 7, 2022
- Shandong University
- Chunyuan MA
- C21 - METALLURGY OF IRON
Information Patent Application
SYSTEM FOR PROCESSING RED MUD AND METHOD OF PROCESSING RED MUD
- Publication number 20210079488
- Publication date Mar 18, 2021
- RED MUD ENTERPRISES LLC
- Gary McNeish
- C21 - METALLURGY OF IRON
Information Patent Application
CLASSIFIED REDUCTION GASIFICATION IRON SMELTING PROCESS OF IRON ORE...
- Publication number 20200140966
- Publication date May 7, 2020
- China University of Petroleum (East China)
- Yuanyu Tian
- C21 - METALLURGY OF IRON
Information Patent Application
BURNER, METHOD FOR OPERATING BURNER, AND METHOD FOR MELTING AND REF...
- Publication number 20200011526
- Publication date Jan 9, 2020
- Taiyo Nippon Sanso Corporation
- Yasuyuki YAMAMOTO
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
Gasification or Liquefaction of Coal Using a Metal Reactant Alloy C...
- Publication number 20190284651
- Publication date Sep 19, 2019
- Ronald G. Presswood
- C01 - INORGANIC CHEMISTRY
Information Patent Application
REDUCED IRON PRODUCTION METHOD AND PRODUCTION APPARATUS
- Publication number 20190169704
- Publication date Jun 6, 2019
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Tomoki UEMURA
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD AND APPARATUS FOR TREATING IRON-CONTAINED RAW MATERIAL USING...
- Publication number 20180087120
- Publication date Mar 29, 2018
- INSTITUTE OF PROCESS ENGINEERING, CHINESE ACADEMY OF SCIENCES
- Tao Qi
- C21 - METALLURGY OF IRON
Information Patent Application
Products and processes for producing steel alloys using an electric...
- Publication number 20170130284
- Publication date May 11, 2017
- George W. Ford
- C21 - METALLURGY OF IRON
Information Patent Application
EXHAUST GAS TREATMENT METHOD AND EXHAUST GAS TREATMENT FACILITY
- Publication number 20160160303
- Publication date Jun 9, 2016
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Kazuki YOSHIDA
- C21 - METALLURGY OF IRON
Information Patent Application
GASIFICATION OR LIQUEFACTION OF COAL USING A METAL REACTANT ALLOY C...
- Publication number 20160102374
- Publication date Apr 14, 2016
- Ronald G. Presswood
- C21 - METALLURGY OF IRON
Information Patent Application
COKELESS REVERBERATORY FURNACE FOR MELTING IRON WITH SEPARATE HEART...
- Publication number 20160017446
- Publication date Jan 21, 2016
- Baha Elsayed Abulnaga
- C21 - METALLURGY OF IRON
Information Patent Application
FIXED-TYPE ELECTRIC FURNACE AND MOLTEN STEEL PRODUCTION METHOD
- Publication number 20150344983
- Publication date Dec 3, 2015
- POSCO
- Baek LEE
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD AND SYSTEM FOR PRODUCING PIG IRON OR FLUID STEEL PRE-PRODUCTS
- Publication number 20150176905
- Publication date Jun 25, 2015
- SIEMENS VAI METALS TECHNOLOGIES GMBH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Application
Direct Smelting Process
- Publication number 20150038317
- Publication date Feb 5, 2015
- TECHNOLOGICAL RESOURCES PTY. LIMITED
- Rodney James Dry
- C21 - METALLURGY OF IRON

obtaining iron or steel in a molten state

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

High-efficiency photonic furnaces for metal production

High-efficiency photonic furnaces for metal production

Systems and methods for steel production

Reduced iron production method and production apparatus

Burner, method for operating burner, and method for melting and ref...

Gasification or liquefaction of coal using a metal reactant alloy c...

Classified reduction gasification iron smelting process of iron ore...

Gasification or liquefaction of coal using a metal reactant alloy c...

Direct smelting process

Direct smelting process

Direct smelting process

Fixed-type electric furnace and molten steel production method

Starting a smelting process

Cokeless reverberatory furnace for melting iron with separate heart...

Iron reduction process and equipment

Starting a smelting process

Producing of pig iron from iron-containing materials

Direct smelting process

Method and device for reducing iron-oxide-containing feedstocks in...

Process for producing molten iron

Process for extracting metals from aluminoferrous titanoferrous ore...

Metallurgical process and plant therefor

Method and device for producing molten material

Direct smelting plant

Method for manufacturing titanium oxide-containing slag

Electric arc furnace steelmaking

Method and apparatus for producing reduced metal

Method for producing metallic iron

Metallic iron nuggets

Method for producing metallic iron

Patents Applicationslast 30 patents

METHOD FOR REFINING MOLTEN IRON

METHOD FOR REFINING MOLTEN IRON

METHOD FOR PRODUCING SLAG HAVING A DESIRED QUALITY

IRON-CONTAINING POWDER DIRECT STEELMAKING DEVICE IN REDUCING ATMOSP...

METHOD FOR PRODUCING AN IRON MELT

METHOD FOR RECOVERING IRON AND VALUABLE METALS FROM ELECTRIC ARC FU...

A METHOD FOR PROCESSING IRON ORE TO OBTAIN STEEL

PROCESS FOR PRODUCING GRAPHENE, OTHER CARBON ALLOTROPES AND MATERIALS

METHOD OF OPERATING AN ELECTRIC ARC FURNACE AND STEEL MILL

HIGH-EFFICIENCY PHOTONIC FURNACES FOR METAL PRODUCTION

HIGH-EFFICIENCY PHOTONIC FURNACES FOR METAL PRODUCTION

SYSTEMS AND METHODS FOR STEEL PRODUCTION

SYSTEMS AND METHODS FOR STEEL PRODUCTION

Biomass Direct Reduced Iron

PLASMA INDUCED FUMING FURNACE

Gasification or Liquefaction of Coal Using a Metal Reactant Alloy C...

IRONMAKING SYSTEM AND IRONMAKING PROCESS OF TWO-SECTION DOWNDRAFT BED

SYSTEM FOR PROCESSING RED MUD AND METHOD OF PROCESSING RED MUD

CLASSIFIED REDUCTION GASIFICATION IRON SMELTING PROCESS OF IRON ORE...

BURNER, METHOD FOR OPERATING BURNER, AND METHOD FOR MELTING AND REF...

Gasification or Liquefaction of Coal Using a Metal Reactant Alloy C...

REDUCED IRON PRODUCTION METHOD AND PRODUCTION APPARATUS

METHOD AND APPARATUS FOR TREATING IRON-CONTAINED RAW MATERIAL USING...

Products and processes for producing steel alloys using an electric...

EXHAUST GAS TREATMENT METHOD AND EXHAUST GAS TREATMENT FACILITY

GASIFICATION OR LIQUEFACTION OF COAL USING A METAL REACTANT ALLOY C...

COKELESS REVERBERATORY FURNACE FOR MELTING IRON WITH SEPARATE HEART...

FIXED-TYPE ELECTRIC FURNACE AND MOLTEN STEEL PRODUCTION METHOD

METHOD AND SYSTEM FOR PRODUCING PIG IRON OR FLUID STEEL PRE-PRODUCTS

Direct Smelting Process