Multi-stage processes processes carried out in different vessels or furnaces

Industry

CPC
C21B13/14

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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

C21B13/14Multi-stage processes processes carried out in different vessels or furnaces

Industries

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Patents Grantslast 30 patents

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
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
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 and apparatus for producing direct reduced iron utilizing a...
- Patent number 11,203,791
- Issue date Dec 21, 2021
- Danieli & C. Officine Meccaniche SpA
- Michele Condosta
- C21 - METALLURGY OF IRON
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
Smelting process and apparatus
- Patent number 10,584,393
- Issue date Mar 10, 2020
- Tata Steel Limited
- Rodney James Dry
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for manufacturing reduced iron
- Patent number 10,557,179
- Issue date Feb 11, 2020
- Posco
- Myoung-Kyun Shin
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Multi-stage suspension magnetizing roasting-magnetic separation sys...
- Patent number 10,543,491
- Issue date Jan 28, 2020
- Northeastern University
- Yuexin Han
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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
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
Use of top gas in direct reduction processes
- Patent number 10,260,117
- Issue date Apr 16, 2019
- Saudi Basic Industries Corporation
- Ahmed H. Al-Nazr
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
System and method for fluidized bed reduction of powdered iron ore
- Patent number 10,233,510
- Issue date Mar 19, 2019
- Institute of Process Engineering, Chinese Academy of Sciences
- Qingshan Zhu
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for preparing a metallic article having an other additive co...
- Patent number 10,100,386
- Issue date Oct 16, 2018
- General Electric Company
- Andrew Philip Woodfield
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
System and method for fluidized direct reduction of iron ore concen...
- Patent number 10,100,379
- Issue date Oct 16, 2018
- Institute of Process Engineering, Chinese Academy of Sciences
- Qingshan Zhu
- C21 - METALLURGY OF IRON
Information Patent Grant
Reformer gas-based reducing method with reduced NOx emission
- Patent number 10,030,911
- Issue date Jul 24, 2018
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Grant
Burning apparatus and method for manufacturing reduced iron using t...
- Patent number 9,976,806
- Issue date May 22, 2018
- Posco
- Sang Han Son
- 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
Method for operating blast furnace and method for producing molten...
- Patent number 9,816,151
- Issue date Nov 14, 2017
- Nippon Steel & Sumikin Engineering Co., Ltd.
- Hiroshi Ichikawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for manufacturing reduced iron and method for manufacturi...
- Patent number 9,783,862
- Issue date Oct 10, 2017
- Posco
- Myoung-Kyun Shin
- 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
Methods and systems for producing ferro-chrome in a duplex furnace
- Patent number 9,695,492
- Issue date Jul 4, 2017
- Midrex Technologies, Inc.
- Vincent Chevrier
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and device for introducing fine particle-shaped material int...
- Patent number 9,512,496
- Issue date Dec 6, 2016
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Franz Hauzenberger
- 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
Method and device for charging coal-containing material and iron ca...
- Patent number 9,470,456
- Issue date Oct 18, 2016
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Georg Aichinger
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and device for producing pig iron
- Patent number 9,428,818
- Issue date Aug 30, 2016
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Hado Heckmann
- 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
Melting reduction assembly and method for operating a melting reduc...
- Patent number 9,400,138
- Issue date Jul 26, 2016
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Franz Berner
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for treating waste gases from plants for pig iron production
- Patent number 9,377,242
- Issue date Jun 28, 2016
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Robert Millner
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
INDUCTION HEATING OF DRI
- Publication number 20240392399
- Publication date Nov 28, 2024
- Christopher HARRIS
- 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
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
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
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
HIGH PURITY IRON-BEARING MATERIALS AND SYSTEMS AND METHODS OF PRODU...
- Publication number 20230339770
- Publication date Oct 26, 2023
- FORM ENERGY, INC.
- William Henry WOODFORD
- C21 - METALLURGY OF IRON
Information Patent Application
MODULAR DIRECT REDUCTION SYSTEMS AND ASSOCIATED METHODS
- Publication number 20230295755
- Publication date Sep 21, 2023
- Fluor Technologies Corporation
- Jonathan M. DAILEY
- C21 - METALLURGY OF IRON
Information Patent Application
Biomass Direct Reduced Iron
- Publication number 20230203606
- Publication date Jun 29, 2023
- TECHNOLOGICAL RESOURCES PTY. LIMITED
- Rodney James Dry
- C21 - METALLURGY OF IRON
Information Patent Application
INTEGRATED SYSTEMS EMPLOYING CARBON OXIDE ELECTROLYSIS IN STEEL PRO...
- Publication number 20230175088
- Publication date Jun 8, 2023
- Twelve Benefit Corporation
- Enrique Cintron
- C21 - METALLURGY OF IRON
Information Patent Application
Process for the Production of Carburized Sponge Iron
- Publication number 20230160028
- Publication date May 25, 2023
- HYBRIT Development AB
- Jenny Anna Gunilla Hyllander
- 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
LIQUID FEED FOR A BASIC OXYGEN FURNACE
- Publication number 20230032245
- Publication date Feb 2, 2023
- TATA STEEL IJMUIDEN BV
- Petrus Gerardus Jacobus BROERSEN
- C21 - METALLURGY OF IRON
Information Patent Application
Process for the Smelting of a Metalliferous Feedstock Material
- Publication number 20220220572
- Publication date Jul 14, 2022
- African Rainbow Minerals Limited
- Petrus Hendrik Ferreira BOUWER
- C21 - METALLURGY OF IRON
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
DEVICE FOR MANUFACTURING MOLTEN IRON
- Publication number 20220002826
- Publication date Jan 6, 2022
- POSCO
- Chang Kuk KO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
INTEGRATION OF DR PLANT AND ELECTRIC DRI MELTING FURNACE FOR PRODUC...
- Publication number 20210301359
- Publication date Sep 30, 2021
- MIDREX TECHNOLOGIES, INC.
- Todd Michael ASTORIA
- C21 - METALLURGY OF IRON
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
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
METHOD AND APPARATUS FOR PRODUCING DIRECT REDUCED IRON UTILIZING A...
- Publication number 20210032712
- Publication date Feb 4, 2021
- Danieli & C. Officine Meccaniche Spa
- Michele CONDOSTA
- C21 - METALLURGY OF IRON
Information Patent Application
MULTI-STAGE SUSPENSION MAGNETIZING ROASTING-MAGNETIC SEPARATION SYS...
- Publication number 20180361395
- Publication date Dec 20, 2018
- NORTHEASTERN UNIVERSITY
- Yuexin HAN
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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
Method for Manufacturing Reduced Iron
- Publication number 20180010202
- Publication date Jan 11, 2018
- POSCO
- Myoung-Kyun Shin
- C21 - METALLURGY OF IRON
Information Patent Application
METHODS AND SYSTEMS FOR INCREASING THE CARBON CONTENT OF SPONGE IRO...
- Publication number 20170058373
- Publication date Mar 2, 2017
- MIDREX TECHNOLOGIES, INC.
- Mirmohammadyousef MOTAMEDHASHEMI
- C21 - METALLURGY OF IRON
Information Patent Application
SYSTEM AND METHOD FOR FLUIDIZED BED REDUCTION OF POWDERED IRON ORE
- Publication number 20160348197
- Publication date Dec 1, 2016
- Institute of Process Engineering, Chinese Academy of Science
- Qingshan Zhu
- C21 - METALLURGY OF IRON
Information Patent Application
SYSTEM AND METHOD FOR FLUIDIZED DIRECT REDUCTION OF IRON ORE CONCEN...
- Publication number 20160348198
- Publication date Dec 1, 2016
- INSTITUTE OF PROCESS ENGINEERING, CHINESE ACADEMY OF SCIENCES
- Qingshan Zhu
- C21 - METALLURGY OF IRON
Information Patent Application
METHODS FOR PRODUCING IMPROVED STEELS BY INJECTING IRON CONTAINING...
- Publication number 20160326606
- Publication date Nov 10, 2016
- Saudi Basic Industries Corporation
- Othman N. AL-ZEGHAIBI
- C21 - METALLURGY OF IRON
Information Patent Application
Smelting Process and Apparatus
- Publication number 20160312321
- Publication date Oct 27, 2016
- TECHNOLOGICAL RESOURCES PTY. LIMITED
- Rodney James Dry
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR MANUFACTURING AGGLOMERATE AND REDUCED IRON
- Publication number 20160168654
- Publication date Jun 16, 2016
- KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.
- Osamu TSUCHIYA
- C21 - METALLURGY OF IRON
Information Patent Application
USE OF TOP GAS IN DIRECT REDUCTION PROCESSES
- Publication number 20160160304
- Publication date Jun 9, 2016
- Saudi Basic Industries Corporation
- Ahmed H. AI-Nazr
- C21 - METALLURGY OF IRON
Information Patent Application
METHODS AND SYSTEMS FOR PRODUCING DIRECT REDUCED IRON UTILIZING A P...
- Publication number 20160017447
- Publication date Jan 21, 2016
- MIDREX TECHNOLOGIES, INC.,
- Robert Cheeley
- C21 - METALLURGY OF IRON

Multi-stage processes processes carried out in different vessels or furnaces

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Device for manufacturing molten iron

Integration of DR plant and electric DRI melting furnace for produc...

Direct reduced iron (DRI) heat treatment, products formed therefrom...

Method and apparatus for the production of cast iron, cast iron pro...

Method and apparatus for producing direct reduced iron utilizing a...

Method and apparatus for the production of cast iron, cast iron pro...

Smelting process and apparatus

Method for manufacturing reduced iron

Multi-stage suspension magnetizing roasting-magnetic separation sys...

Molten iron manufacturing apparatus and molten iron manufacturing m...

Solid agglomerate of fine metal particles comprising a liquid oily...

Methods and systems for increasing the carbon content of sponge iro...

Use of top gas in direct reduction processes

System and method for fluidized bed reduction of powdered iron ore

Method for preparing a metallic article having an other additive co...

System and method for fluidized direct reduction of iron ore concen...

Reformer gas-based reducing method with reduced NOx emission

Burning apparatus and method for manufacturing reduced iron using t...

Fixed-type electric furnace and molten steel production method

Method for operating blast furnace and method for producing molten...

Apparatus for manufacturing reduced iron and method for manufacturi...

Starting a smelting process

Methods and systems for producing ferro-chrome in a duplex furnace

Method and device for introducing fine particle-shaped material int...

Iron reduction process and equipment

Method and device for charging coal-containing material and iron ca...

Method and device for producing pig iron

Producing of pig iron from iron-containing materials

Melting reduction assembly and method for operating a melting reduc...

Method for treating waste gases from plants for pig iron production

Patents Applicationslast 30 patents

INDUCTION HEATING OF DRI

IRONMAKING METHOD

BLEED-OFF GAS RECOVERY IN A DIRECT REDUCTION PROCESS

STEEL PRODUCTION FROM IRON MELT

BIOMASS DIRECT REDUCED IRON

HIGH PURITY IRON-BEARING MATERIALS AND SYSTEMS AND METHODS OF PRODU...

MODULAR DIRECT REDUCTION SYSTEMS AND ASSOCIATED METHODS

Biomass Direct Reduced Iron

INTEGRATED SYSTEMS EMPLOYING CARBON OXIDE ELECTROLYSIS IN STEEL PRO...

Process for the Production of Carburized Sponge Iron

Biomass Direct Reduced Iron

LIQUID FEED FOR A BASIC OXYGEN FURNACE

Process for the Smelting of a Metalliferous Feedstock Material

IRONMAKING SYSTEM AND IRONMAKING PROCESS OF TWO-SECTION DOWNDRAFT BED

DEVICE FOR MANUFACTURING MOLTEN IRON

INTEGRATION OF DR PLANT AND ELECTRIC DRI MELTING FURNACE FOR PRODUC...

Method and apparatus for the production of cast iron, cast iron pro...

SYSTEM FOR PROCESSING RED MUD AND METHOD OF PROCESSING RED MUD

METHOD AND APPARATUS FOR PRODUCING DIRECT REDUCED IRON UTILIZING A...

MULTI-STAGE SUSPENSION MAGNETIZING ROASTING-MAGNETIC SEPARATION SYS...

Method and apparatus for the production of cast iron, cast iron pro...

Method for Manufacturing Reduced Iron

METHODS AND SYSTEMS FOR INCREASING THE CARBON CONTENT OF SPONGE IRO...

SYSTEM AND METHOD FOR FLUIDIZED BED REDUCTION OF POWDERED IRON ORE

SYSTEM AND METHOD FOR FLUIDIZED DIRECT REDUCTION OF IRON ORE CONCEN...

METHODS FOR PRODUCING IMPROVED STEELS BY INJECTING IRON CONTAINING...

Smelting Process and Apparatus

METHOD FOR MANUFACTURING AGGLOMERATE AND REDUCED IRON

USE OF TOP GAS IN DIRECT REDUCTION PROCESSES

METHODS AND SYSTEMS FOR PRODUCING DIRECT REDUCED IRON UTILIZING A P...