Reduction of iron ores by passing through a heated column of carbon

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CPC
C21B13/002

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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

C21B13/002Reduction of iron ores by passing through a heated column of carbon

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Patents Grantslast 30 patents

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
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
Flash ironmaking drop tube furnace system
- Patent number 11,459,626
- Issue date Oct 4, 2022
- American Iron and Steel Institute
- Edward Green
- C21 - METALLURGY OF IRON
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
Flash ironmaking system and method
- Patent number 10,851,430
- Issue date Dec 1, 2020
- BEIJING SHANTIE TECHNOLOGY CO., LTD.
- Shuhua Deng
- C21 - METALLURGY OF IRON
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
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
Direct smelting process and apparatus
- Patent number 10,151,014
- Issue date Dec 11, 2018
- Tata Steel Limited
- Jacques Pilote
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method to operate a smelt cyclone
- Patent number 10,100,378
- Issue date Oct 16, 2018
- TATA STEEL NEDERLAND TECHNOLOGY BV
- Hendrikus Koenraad Albertus Meijer
- C21 - METALLURGY OF IRON
Information Patent Grant
Green process for the preparation of pure iron
- Patent number 9,879,331
- Issue date Jan 30, 2018
- Council of Scientific and Industrial Research
- Byagyadhar Bhoi
- C21 - METALLURGY OF IRON
Information Patent Grant
System for energy optimization in a plant for producing direct-redu...
- Patent number 9,534,264
- Issue date Jan 3, 2017
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Robert Millner
- 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
Device for the closed-loop control of process gases in a plant for...
- Patent number 9,400,139
- Issue date Jul 26, 2016
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Robert Millner
- 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
Information Patent Grant
Process and plant for producing char and fuel gas
- Patent number 9,371,487
- Issue date Jun 21, 2016
- Outotec Oyj
- Andreas Orth
- 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
Process and device for producing pig iron or liquid steel precursors
- Patent number 9,181,594
- Issue date Nov 10, 2015
- Siemens Vai Metals Technologies GmbH
- Christian Boehm
- C21 - METALLURGY OF IRON
Information Patent Grant
Direct smelting process and apparatus
- Patent number 9,175,907
- Issue date Nov 3, 2015
- Technological Resources PTY Limited
- Jacques Pilote
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and plant for producing char and fuel gas
- Patent number 9,175,226
- Issue date Nov 3, 2015
- Outotec Oyj
- Andreas Orth
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and apparatus for producing liquid pig iron or liquid prima...
- Patent number 9,139,884
- Issue date Sep 22, 2015
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Georg Aichinger
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and device for producing a raw synthesis gas
- Patent number 8,821,760
- Issue date Sep 2, 2014
- Siemens Vai Metals Technologies GmbH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and device for producing pig iron or liquid steel precursors
- Patent number 8,632,622
- Issue date Jan 21, 2014
- Siemens Vai Metals Technologies GmbH
- Christian Boehm
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for treating return ores using plasma
- Patent number 8,598,486
- Issue date Dec 3, 2013
- Posco
- Shin Il Kim
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for making liquid iron and steel
- Patent number 8,557,014
- Issue date Oct 15, 2013
- Albert Calderon
- C21 - METALLURGY OF IRON
Information Patent Grant
Reducing furnace and apparatus for manufacturing molten iron compri...
- Patent number 8,540,930
- Issue date Sep 24, 2013
- Posco
- Ki-Woong Kwon
- C21 - METALLURGY OF IRON
Information Patent Grant
Process gas purification device for a melt reduction system for ext...
- Patent number 8,496,729
- Issue date Jul 30, 2013
- Siemens Vai Metals Technologies GmbH
- Sin-Myoung Kang
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Hot Metal Production from DRI with Electric Arc Heating
- Publication number 20230287528
- Publication date Sep 14, 2023
- MIDREX TECHNOLOGIES, INC.
- Haruyasu MICHISHITA
- C21 - METALLURGY OF IRON
Information Patent Application
APPARATUS FOR THE PRODUCTION OF MOLTEN IRON
- Publication number 20220411888
- Publication date Dec 29, 2022
- TATA STEEL IJMUIDEN B.V.
- Hendrikus Koenraad Albertus MEIJER
- 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
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
FLASH IRONMAKING DROP TUBE FURNACE SYSTEM
- Publication number 20210395844
- Publication date Dec 23, 2021
- AMERICAN IRON AND STEEL INSTITUTE
- Edward GREEN
- C21 - METALLURGY OF IRON
Information Patent Application
DIRECT SMELTING PROCESS WITH FULL COMBUSTION
- Publication number 20210123111
- Publication date Apr 29, 2021
- TATA STEEL NEDERLAND TECHNOLOGY BV
- Hendrikus Koenraad Albertus MEIJER
- F27 - FURNACES KILNS OVENS RETORTS
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
FLASH IRONMAKING DROP TUBE FURNACE SYSTEM
- Publication number 20200048724
- Publication date Feb 13, 2020
- AMERICAN IRON AND STEEL INSTITUTE
- Edward GREEN
- C21 - METALLURGY OF IRON
Information Patent Application
FLASH IRONMAKING SYSTEM AND METHOD
- Publication number 20180355448
- Publication date Dec 13, 2018
- BEIJING SHANTIE TECHNOLOGY CO., LTD.
- Shuhua Deng
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD TO OPERATE A SMELT CYCLONE
- Publication number 20160312320
- Publication date Oct 27, 2016
- TATA STEEL NEDERLAND TECHNOLOGY BV
- Hendrikus Koenraad Albertus MEIJER
- 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 AND DEVICE FOR INTRODUCING FINE PARTICLE-SHAPED MATERIAL INT...
- Publication number 20150135899
- Publication date May 21, 2015
- SIEMENS VAI METALS TECHNOLOGIES GMBH
- Franz Hauzenberger
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD AND DEVICE FOR PRODUCING PIG IRON
- Publication number 20140224068
- Publication date Aug 14, 2014
- SIEMENS VAI METALS TECHNOLOGIES
- Hado Heckmann
- C21 - METALLURGY OF IRON
Information Patent Application
SYSTEM FOR ENERGY OPTIMIZATION IN A PLANT FOR PRODUCING DIRECT-REDU...
- Publication number 20140217653
- Publication date Aug 7, 2014
- SIEMENS VAI METALS TECHNOLOGIES GMBH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR TREATING WASTE GASES FROM PLANTS FOR PIG IRON PRODUCTION
- Publication number 20140202285
- Publication date Jul 24, 2014
- SIEMENS VAI METALS TECHNOLOGIES GMBH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Application
DEVICE FOR THE CLOSED-LOOP CONTROL OF PROCESS GASES IN A PLANT FOR...
- Publication number 20140138884
- Publication date May 22, 2014
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Application
MELTING REDUCTION ASSEMBLY AND METHOD FOR OPERATING A MELTING REDUC...
- Publication number 20140138883
- Publication date May 22, 2014
- SIEMENS VAI METALS TECHNOLOGIES GMBH
- Franz Berner
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD AND DEVICE FOR CHARGING COAL-CONTAINING MATERIAL AND IRON CA...
- Publication number 20140110891
- Publication date Apr 24, 2014
- SIEMENS VAI METALS TECHNOLOGIES GMBH
- Georg Aichinger
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS AND DEVICE FOR PRODUCING PIG IRON OR LIQUID STEEL PRECURSORS
- Publication number 20140042677
- Publication date Feb 13, 2014
- SIEMENS VAI METALS TECHNOLOGIES GMBH
- Christian BOEHM
- C21 - METALLURGY OF IRON
Information Patent Application
DIRECT SMELTING PROCESS
- Publication number 20130333523
- Publication date Dec 19, 2013
- TECHNOLOGICAL RESOURCES PTY. LIMITED
- Rodney James Dry
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS AND PLANT FOR PRODUCING CHAR AND FUEL GAS
- Publication number 20130264753
- Publication date Oct 10, 2013
- Andreas ORTH
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING PRESSED ARTICLES CONTAINING COAL PARTICLES
- Publication number 20130174695
- Publication date Jul 11, 2013
- Hado Heckmann
- C21 - METALLURGY OF IRON
Information Patent Application
Method for Treating Return Ores Using Plasma
- Publication number 20130098209
- Publication date Apr 25, 2013
- POSCO
- Shin Il Kim
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD AND DEVICE FOR PROVIDING REDUCTION GAS FROM GENERATOR GAS
- Publication number 20120326363
- Publication date Dec 27, 2012
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Application
Method for Removing CO2 From Exhaust Gases, Such as Exhaust Gases F...
- Publication number 20120237421
- Publication date Sep 20, 2012
- Robert Millner
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Method and apparatus for making liquid iron and steel
- Publication number 20120192677
- Publication date Aug 2, 2012
- Albert Calderon
- C21 - METALLURGY OF IRON
Information Patent Application
DIRECT SMELTING PROCESS AND APPARATUS
- Publication number 20120067171
- Publication date Mar 22, 2012
- Jacques Pilote
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD AND DEVICE FOR PRODUCING A RAW SYNTHESIS GAS
- Publication number 20110284800
- Publication date Nov 24, 2011
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING LIQUID PIG IRON OR LIQUID STEEL INTERMEDIATE P...
- Publication number 20110285067
- Publication date Nov 24, 2011
- SIEMENS VAI METALS TECHNOLOGIES GMBH
- Bogdan VULETIC
- C21 - METALLURGY OF IRON
Information Patent Application
Method for reducing oxidic slags and dusts using inductively heated...
- Publication number 20110197707
- Publication date Aug 18, 2011
- SGL CARBON SE
- Alfred Edlinger
- C21 - METALLURGY OF IRON

Reduction of iron ores by passing through a heated column of carbon

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Direct smelting process with full combustion

Gasifier for organic solid waste by injection into molten iron and...

Flash ironmaking drop tube furnace system

Method for off-gas composition control in a metal smelting apparatus

Flash ironmaking system and method

Method and apparatus for producing metallic iron from iron oxide fines

Smelting process and apparatus

Direct smelting process and apparatus

Method to operate a smelt cyclone

Green process for the preparation of pure iron

System for energy optimization in a plant for producing direct-redu...

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

Device for the closed-loop control of process gases in a plant for...

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

Method for treating waste gases from plants for pig iron production

Process and plant for producing char and fuel gas

Direct smelting process

Process and device for producing pig iron or liquid steel precursors

Direct smelting process and apparatus

Process and plant for producing char and fuel gas

Process and apparatus for producing liquid pig iron or liquid prima...

Method and device for producing a raw synthesis gas

Process and device for producing pig iron or liquid steel precursors

Method for treating return ores using plasma

Method for making liquid iron and steel

Reducing furnace and apparatus for manufacturing molten iron compri...

Process gas purification device for a melt reduction system for ext...

Patents Applicationslast 30 patents

Hot Metal Production from DRI with Electric Arc Heating

APPARATUS FOR THE PRODUCTION OF MOLTEN IRON

PLASMA INDUCED FUMING FURNACE

Process for the Smelting of a Metalliferous Feedstock Material

FLASH IRONMAKING DROP TUBE FURNACE SYSTEM

DIRECT SMELTING PROCESS WITH FULL COMBUSTION

METHOD FOR OFF-GAS COMPOSITION CONTROL IN A METAL SMELTING APPARATUS

FLASH IRONMAKING DROP TUBE FURNACE SYSTEM

FLASH IRONMAKING SYSTEM AND METHOD

METHOD TO OPERATE A SMELT CYCLONE

Smelting Process and Apparatus

METHOD AND DEVICE FOR INTRODUCING FINE PARTICLE-SHAPED MATERIAL INT...

METHOD AND DEVICE FOR PRODUCING PIG IRON

SYSTEM FOR ENERGY OPTIMIZATION IN A PLANT FOR PRODUCING DIRECT-REDU...

METHOD FOR TREATING WASTE GASES FROM PLANTS FOR PIG IRON PRODUCTION

DEVICE FOR THE CLOSED-LOOP CONTROL OF PROCESS GASES IN A PLANT FOR...

MELTING REDUCTION ASSEMBLY AND METHOD FOR OPERATING A MELTING REDUC...

METHOD AND DEVICE FOR CHARGING COAL-CONTAINING MATERIAL AND IRON CA...

PROCESS AND DEVICE FOR PRODUCING PIG IRON OR LIQUID STEEL PRECURSORS

DIRECT SMELTING PROCESS

PROCESS AND PLANT FOR PRODUCING CHAR AND FUEL GAS

METHOD FOR PRODUCING PRESSED ARTICLES CONTAINING COAL PARTICLES

Method for Treating Return Ores Using Plasma

METHOD AND DEVICE FOR PROVIDING REDUCTION GAS FROM GENERATOR GAS

Method for Removing CO2 From Exhaust Gases, Such as Exhaust Gases F...

Method and apparatus for making liquid iron and steel

DIRECT SMELTING PROCESS AND APPARATUS

METHOD AND DEVICE FOR PRODUCING A RAW SYNTHESIS GAS

METHOD FOR PRODUCING LIQUID PIG IRON OR LIQUID STEEL INTERMEDIATE P...

Method for reducing oxidic slags and dusts using inductively heated...