Injecting additional fuel or reducing agents

Industry

CPC
C21B5/001

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Parent Industries

CCHEMISTRY METALLURGY C21Iron metallurgy C21BMANUFACTURE OF IRON OR STEEL C21B5/00Making pig-iron in the blast furnace

Current Industry

C21B5/001Injecting additional fuel or reducing agents

Industries

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Patents Grantslast 30 patents

Information Patent Grant
System and method for reducing ore using hydrogen as a reducing agent
- Patent number 12,043,874
- Issue date Jul 23, 2024
- Ohmium International, Inc.
- Chockkalingam Karuppaiah
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Smelting apparatus and metallurgical processes thereof
- Patent number 11,635,257
- Issue date Apr 25, 2023
- NSGI Steel Inc.
- Ian Cox
- C21 - METALLURGY OF IRON
Information Patent Grant
Device and method for measuring softening and melting performances...
- Patent number 11,493,273
- Issue date Nov 8, 2022
- Chongqing University
- Shengfu Zhang
- C21 - METALLURGY OF IRON
Information Patent Grant
Oxygen injection system for a direct reduction process
- Patent number 10,988,817
- Issue date Apr 27, 2021
- Midrex Technologies, Inc.
- Haruyasu Michishita
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for supplying hydrogen-containing reducing gas to shaft part...
- Patent number 10,961,596
- Issue date Mar 30, 2021
- Nippon Steel Corporation
- Nobuaki Ito
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for blowing substitute reducing agents into a blast furnace
- Patent number 10,472,689
- Issue date Nov 12, 2019
- Küttner Holding GmbH & Co. KG
- Robin Schott
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method for operating blast furnace
- Patent number 10,400,292
- Issue date Sep 3, 2019
- JFE Steel Corporation
- Akinori Murao
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for operation of blast furnace
- Patent number 10,106,863
- Issue date Oct 23, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Takanobu Inada
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for operating a top gas recycling blast furnace installation
- Patent number 10,072,312
- Issue date Sep 11, 2018
- L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
- Michael Grant
- C21 - METALLURGY OF IRON
Information Patent Grant
Blast furnace operation method and lance
- Patent number 9,945,001
- Issue date Apr 17, 2018
- JFE Steel Corporation
- Daiki Fujiwara
- C21 - METALLURGY OF IRON
Information Patent Grant
Blast furnace operation method
- Patent number 9,938,593
- Issue date Apr 10, 2018
- JFE Steel Corporation
- Daiki Fujiwara
- C21 - METALLURGY OF IRON
Information Patent Grant
Shaft furnace and method of operating same
- Patent number 9,797,023
- Issue date Oct 24, 2017
- Grede LLC
- Bill Connors
- C21 - METALLURGY OF IRON
Information Patent Grant
Blast-furnace blowing coal and method for producing same
- Patent number 9,624,558
- Issue date Apr 18, 2017
- Mitsubishi Heavy Industries, Ltd.
- Setsuo Omoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for iron-making with full oxygen and hydrogen-rich gas and e...
- Patent number 9,581,387
- Issue date Feb 28, 2017
- CENTRAL IRON & STEEL RESEARCH INSTITUTE
- Yuanhong Qi
- 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
System and method for reducing iron oxide to metallic iron using na...
- Patent number 9,127,326
- Issue date Sep 8, 2015
- Midrex Technologies, Inc.
- Gary E. Metius
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for the simultaneous production of iron and a crude syngas c...
- Patent number 8,992,663
- Issue date Mar 31, 2015
- Thyssenkrupp Uhde GmbH
- Johannes Menzel
- C21 - METALLURGY OF IRON
Information Patent Grant
Blast furnace top gas recycling process and corresponding recycling...
- Patent number 8,992,664
- Issue date Mar 31, 2015
- Arcelormittal Investigación Y Desarrollo, S.L.
- Fernand Didelon
- C21 - METALLURGY OF IRON
Information Patent Grant
Tuyere stock arrangement of a blast furnace
- Patent number 8,980,165
- Issue date Mar 17, 2015
- Paul Wurth S.A.
- Jean-Paul Simoes
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for increasing the penetration depth of an oxygen stream
- Patent number 8,808,422
- Issue date Aug 19, 2014
- Siemens Vai Metals Technologies GmbH
- Leopold Werner Kepplinger
- C21 - METALLURGY OF IRON
Information Patent Grant
Blast furnace cooling method to increase steel production and reduc...
- Patent number 8,535,410
- Issue date Sep 17, 2013
- John D. Lynn
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for operating a shaft furnace, and shaft furnace operable by...
- Patent number 8,444,910
- Issue date May 21, 2013
- Thyssenkrupp At.Pro Tec GmbH
- Gerd König
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of iron smelting in blast furnace with high temperature coal...
- Patent number 8,357,224
- Issue date Jan 22, 2013
- Jiule Zhou
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for the melting of pig iron with the recirculation of blast...
- Patent number 8,287,620
- Issue date Oct 16, 2012
- Siemens Vai Metals Technologies GmbH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for operating a shaft furnace, and shaft furnance operable b...
- Patent number 8,173,064
- Issue date May 8, 2012
- Thyssenkrupp At.Pro Tec GmbH
- Gerd König
- C21 - METALLURGY OF IRON
Information Patent Grant
Producing metal and carbon dioxide with hydrogen recycle
- Patent number 8,142,542
- Issue date Mar 27, 2012
- Praxair Technology, Inc.
- Raymond Francis Drnevich
- C21 - METALLURGY OF IRON
Information Patent Grant
Melting starting material in a cupola furnace
- Patent number 8,071,013
- Issue date Dec 6, 2011
- Thomas Niehoff
- C21 - METALLURGY OF IRON
Information Patent Grant
Producing metal and carbon dioxide with hydrogen recycle
- Patent number 8,057,734
- Issue date Nov 15, 2011
- Praxair Technology, Inc.
- Raymond Francis Drnevich
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for carrying out a metallurgical process
- Patent number 7,998,242
- Issue date Aug 16, 2011
- Iron Mount Corporation
- Leonard Reiffel
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for carrying out a metallurgical process
- Patent number 7,931,732
- Issue date Apr 26, 2011
- Iron Mount Corporation
- Leonard Reiffel
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Method and System for Treating CO2
- Publication number 20240375962
- Publication date Nov 14, 2024
- D-CRBN BV
- Gill SCHELTJENS
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SYSTEM AND METHOD FOR REDUCING ORE USING HYDROGEN AS A REDUCING AGENT
- Publication number 20240336986
- Publication date Oct 10, 2024
- Ohmium International, Inc.
- Chockkalingam KARUPPAIAH
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
PROCESS UTILIZING SYNTHESIS GAS FOR IMPROVING THE ENVIRONMENTAL IMP...
- Publication number 20240279756
- Publication date Aug 22, 2024
- NEXTCHEM TECH S.P.A.
- Luca Eugenio Riccardo Basini
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING STEEL IN AN INTEGRATED METALLURGICAL PLANT
- Publication number 20240271232
- Publication date Aug 15, 2024
- ThyssenKrupp Steel Europe AG
- Nils JÄGER
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR OPERATING A BLAST FURNACE INSTALLATION
- Publication number 20240263258
- Publication date Aug 8, 2024
- PAUL WURTH S.A.
- Klaus Peter KINZEL
- C21 - METALLURGY OF IRON
Information Patent Application
DIRECT REDUCED IRON SYSTEM AND METHOD USING SYNTHETIC COMBUSTION AIR
- Publication number 20240218474
- Publication date Jul 4, 2024
- Nucor Corporation
- Mirmohammadyousef Motamedhashemi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
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
METHOD FOR PRODUCING PIG IRON IN A SHAFT FURNACE
- Publication number 20240018615
- Publication date Jan 18, 2024
- ThyssenKrupp Steel Europe AG
- Nils JÄGER
- C21 - METALLURGY OF IRON
Information Patent Application
Device to inject a reducing gas into a shaft furnace
- Publication number 20230366050
- Publication date Nov 16, 2023
- ARCELORMITTAL
- Edouard IZARD
- C21 - METALLURGY OF IRON
Information Patent Application
Blast furnace for ironmaking production
- Publication number 20230366047
- Publication date Nov 16, 2023
- ARCELORMITTAL
- Edouard IZARD
- C21 - METALLURGY OF IRON
Information Patent Application
SMELTING APPARATUS AND METALLURGICAL PROCESSES THEREOF
- Publication number 20230314076
- Publication date Oct 5, 2023
- NSGI STEEL INC.
- Ian COX
- C21 - METALLURGY OF IRON
Information Patent Application
PRODUCTION METHOD OF PIG IRON
- Publication number 20230313328
- Publication date Oct 5, 2023
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Akito KASAI
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD OF OPERATING BLAST FURNACE AND BLAST FURNACE ANCILLARY FACILITY
- Publication number 20230034442
- Publication date Feb 2, 2023
- JFE STEEL CORPORATION
- Yuki KAWASHIRI
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD OF OPERATING BLAST FURNACE AND BLAST FURNACE ANCILLARY FACILITY
- Publication number 20220380860
- Publication date Dec 1, 2022
- JFE STEEL CORPORATION
- Koichi TAKAHASHI
- C21 - METALLURGY OF IRON
Information Patent Application
DIRECT REDUCED IRON SYSTEM AND METHOD USING SYNTHETIC COMBUSTION AIR
- Publication number 20220372587
- Publication date Nov 24, 2022
- Nucor Corporation
- Mirmohammadyousef Motamedhashemi
- C21 - METALLURGY OF IRON
Information Patent Application
COOPERATIVE EMISSION REDUCTION METHOD FOR SINTERING USING ENERGY-CA...
- Publication number 20220213565
- Publication date Jul 7, 2022
- Central South University
- Min GAN
- C21 - METALLURGY OF IRON
Information Patent Application
SYSTEM AND METHOD FOR REDUCING ORE USING HYDROGEN AS A REDUCING AGENT
- Publication number 20220177984
- Publication date Jun 9, 2022
- OHMIUM INTERNATIONAL, Inc.,
- Chockkalingam KARUPPAIAH
- C21 - METALLURGY OF IRON
Information Patent Application
BLAST FURNACE OPERATION METHOD
- Publication number 20220119899
- Publication date Apr 21, 2022
- NIPPON STEEL CORPORATION
- Hiroshi SAKAI
- C21 - METALLURGY OF IRON
Information Patent Application
Device And Method For Measuring Softening And Melting Performances...
- Publication number 20210010753
- Publication date Jan 14, 2021
- CHONGQING UNIVERSITY
- Shengfu Zhang
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Application
SMELTING APPARATUS AND METALLURGICAL PROCESSES THEREOF
- Publication number 20200191481
- Publication date Jun 18, 2020
- NSGI STEEL INC.
- Ian COX
- C21 - METALLURGY OF IRON
Information Patent Application
OXYGEN INJECTION SYSTEM FOR A DIRECT REDUCTION PROCESS
- Publication number 20190300974
- Publication date Oct 3, 2019
- MIDREX TECHNOLOGIES, INC.
- Haruyasu MICHISHITA
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR SUPPLYING HYDROGEN-CONTAINING REDUCING GAS TO SHAFT PART...
- Publication number 20190032160
- Publication date Jan 31, 2019
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Nobuaki ITO
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR BLOWING SUBSTITUTE REDUCING AGENTS INTO A BLAST FURNACE
- Publication number 20170234619
- Publication date Aug 17, 2017
- KÜTTNER HOLDING GMBH & CO. KG
- Robin Schott
- C21 - METALLURGY OF IRON
Information Patent Application
DEVICE AND METHOD FOR PRODUCING ELECTRIC ENERGY FOR PRODUCING IRON...
- Publication number 20170022578
- Publication date Jan 26, 2017
- EVONIK DEGUSSA GmbH
- GEORG MARKOWZ
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR OPERATING A TOP GAS RECYCLING BLAST FURNACE INSTALLATION
- Publication number 20170002434
- Publication date Jan 5, 2017
- L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
- Michael GRANT
- C21 - METALLURGY OF IRON
Information Patent Application
COMBINED SYSTEM FOR PRODUCING STEEL AND METHOD FOR OPERATING THE CO...
- Publication number 20160319383
- Publication date Nov 3, 2016
- THYSSENKRUPP AG
- Reinhold Achatz
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
DESULFURIZATION OF GASES IN THE PRODUCTION OF PIG IRON
- Publication number 20160168652
- Publication date Jun 16, 2016
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Robert MILLNER
- C21 - METALLURGY OF IRON
Information Patent Application
BLAST FURNACE OPERATION METHOD AND LANCE
- Publication number 20160040261
- Publication date Feb 11, 2016
- JFE STEEL CORPORATION
- Daiki Fujiwara
- C21 - METALLURGY OF IRON

Injecting additional fuel or reducing agents

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

System and method for reducing ore using hydrogen as a reducing agent

Smelting apparatus and metallurgical processes thereof

Device and method for measuring softening and melting performances...

Oxygen injection system for a direct reduction process

Method for supplying hydrogen-containing reducing gas to shaft part...

Method for blowing substitute reducing agents into a blast furnace

Method for operating blast furnace

Method for operation of blast furnace

Method for operating a top gas recycling blast furnace installation

Blast furnace operation method and lance

Blast furnace operation method

Shaft furnace and method of operating same

Blast-furnace blowing coal and method for producing same

Method for iron-making with full oxygen and hydrogen-rich gas and e...

Starting a smelting process

System and method for reducing iron oxide to metallic iron using na...

Method for the simultaneous production of iron and a crude syngas c...

Blast furnace top gas recycling process and corresponding recycling...

Tuyere stock arrangement of a blast furnace

Method for increasing the penetration depth of an oxygen stream

Blast furnace cooling method to increase steel production and reduc...

Method for operating a shaft furnace, and shaft furnace operable by...

Method of iron smelting in blast furnace with high temperature coal...

Method for the melting of pig iron with the recirculation of blast...

Method for operating a shaft furnace, and shaft furnance operable b...

Producing metal and carbon dioxide with hydrogen recycle

Melting starting material in a cupola furnace

Producing metal and carbon dioxide with hydrogen recycle

Method and apparatus for carrying out a metallurgical process

Method and apparatus for carrying out a metallurgical process

Patents Applicationslast 30 patents

Method and System for Treating CO2

SYSTEM AND METHOD FOR REDUCING ORE USING HYDROGEN AS A REDUCING AGENT

PROCESS UTILIZING SYNTHESIS GAS FOR IMPROVING THE ENVIRONMENTAL IMP...

METHOD FOR PRODUCING STEEL IN AN INTEGRATED METALLURGICAL PLANT

METHOD FOR OPERATING A BLAST FURNACE INSTALLATION

DIRECT REDUCED IRON SYSTEM AND METHOD USING SYNTHETIC COMBUSTION AIR

METHOD FOR PRODUCING PIG IRON

RAW MATERIAL PARTICLES FOR PRODUCTION OF AGGLOMERATE, METHOD FOR PR...

METHOD FOR PRODUCING PIG IRON

METHOD FOR PRODUCING PIG IRON IN A SHAFT FURNACE

Device to inject a reducing gas into a shaft furnace

Blast furnace for ironmaking production

SMELTING APPARATUS AND METALLURGICAL PROCESSES THEREOF

PRODUCTION METHOD OF PIG IRON

METHOD OF OPERATING BLAST FURNACE AND BLAST FURNACE ANCILLARY FACILITY

METHOD OF OPERATING BLAST FURNACE AND BLAST FURNACE ANCILLARY FACILITY

DIRECT REDUCED IRON SYSTEM AND METHOD USING SYNTHETIC COMBUSTION AIR

COOPERATIVE EMISSION REDUCTION METHOD FOR SINTERING USING ENERGY-CA...

SYSTEM AND METHOD FOR REDUCING ORE USING HYDROGEN AS A REDUCING AGENT

BLAST FURNACE OPERATION METHOD

Device And Method For Measuring Softening And Melting Performances...

SMELTING APPARATUS AND METALLURGICAL PROCESSES THEREOF

OXYGEN INJECTION SYSTEM FOR A DIRECT REDUCTION PROCESS

METHOD FOR SUPPLYING HYDROGEN-CONTAINING REDUCING GAS TO SHAFT PART...

METHOD FOR BLOWING SUBSTITUTE REDUCING AGENTS INTO A BLAST FURNACE

DEVICE AND METHOD FOR PRODUCING ELECTRIC ENERGY FOR PRODUCING IRON...

METHOD FOR OPERATING A TOP GAS RECYCLING BLAST FURNACE INSTALLATION

COMBINED SYSTEM FOR PRODUCING STEEL AND METHOD FOR OPERATING THE CO...

DESULFURIZATION OF GASES IN THE PRODUCTION OF PIG IRON

BLAST FURNACE OPERATION METHOD AND LANCE