in shaft furnaces

Industry

CPC
C21B13/02

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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

C21B13/02in shaft furnaces

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method for carburization of HDRI produced in H2 based direct reduct...
- Patent number 12,180,554
- Issue date Dec 31, 2024
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Christian Boehm
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Methods and systems for increasing the carbon content of direct red...
- Patent number 12,084,730
- Issue date Sep 10, 2024
- Midrex Technologies, Inc.
- Keith Marshall Bastow-Cox
- C21 - METALLURGY OF IRON
Information Patent Grant
System and method for the production of hot briquetted iron (HBI) c...
- Patent number 12,000,011
- Issue date Jun 4, 2024
- Midrex Technologies, Inc.
- Haruyasu Michishita
- C21 - METALLURGY OF IRON
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
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
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
Method for direct reduction using vent gas
- Patent number 11,773,459
- Issue date Oct 3, 2023
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Grant
Charging system, in particular for a shaft smelt reduction furnace
- Patent number 11,542,565
- Issue date Jan 3, 2023
- Paul Wurth S.A.
- Patrick Hutmacher
- C21 - METALLURGY OF IRON
Information Patent Grant
Direct reduction process utilizing hydrogen
- Patent number 11,499,201
- Issue date Nov 15, 2022
- Midrex Technologies, Inc.
- Todd Michael Astoria
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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
Raw material for direct reduction, method of producing raw material...
- Patent number 11,198,914
- Issue date Dec 14, 2021
- Nippon Steel Corporation
- Moritoshi Mizutani
- C21 - METALLURGY OF IRON
Information Patent Grant
Direct reduction with coal gasification and coke oven gas
- Patent number 11,021,766
- Issue date Jun 1, 2021
- Midrex Technologies, Inc.
- Haruyasu Michishita
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Direct reduction system and process utilizing a process gas direct...
- Patent number 10,907,224
- Issue date Feb 2, 2021
- Midrex Technologies, Inc.
- Gregory Darel Hughes
- 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
Direct reduction process and shaft furnace utilizing an extended fl...
- Patent number 10,604,815
- Issue date Mar 31, 2020
- Midrex Technologies, Inc.
- Brian Voelker
- C21 - METALLURGY OF IRON
Information Patent Grant
Metallurgical furnace for producing metallic alloys
- Patent number 10,488,111
- Issue date Nov 26, 2019
- Tecnored Desenvolvimento Tecnologico S.A.
- Hermes Joaquim Ferreira Filho
- C21 - METALLURGY OF IRON
Information Patent Grant
Methods for mitigating the buildup of direct reduced iron clusters...
- Patent number 10,370,732
- Issue date Aug 6, 2019
- Midrex Technologies, Inc.
- Brian Voelker
- C21 - METALLURGY OF IRON
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
Composite iron pellets
- Patent number 10,214,788
- Issue date Feb 26, 2019
- Saudi Basic Industries Corporation
- Mohamed Bahgat Saddik
- C21 - METALLURGY OF IRON
Information Patent Grant
Methods and systems for producing high carbon content metallic iron...
- Patent number 10,113,209
- Issue date Oct 30, 2018
- Midrex Technologies, Inc.
- Mirmohammadyousef Motamedhashemi
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for recycling top gas for shaft furnace
- Patent number 10,093,996
- Issue date Oct 9, 2018
- Synthesis Energy Systems, Inc.
- John D. Winter
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Systems and methods for generating carbon dioxide for use as a refo...
- Patent number 10,065,857
- Issue date Sep 4, 2018
- Midrex Technologies, Inc.
- David C. Meissner
- C01 - INORGANIC CHEMISTRY
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
Method for reducing iron oxide to metallic iron using coke oven gas
- Patent number 9,970,071
- Issue date May 15, 2018
- Midrex Technologies, Inc.
- Mirmohammadyousef Motamedhashemi
- C21 - METALLURGY OF IRON
Information Patent Grant
Direct reduction process with improved product quality and process...
- Patent number 9,938,595
- Issue date Apr 10, 2018
- HYL TECHNOLOGIES, S.A. DE C.V.
- Jorge Octavio Becerra-Novoa
- C21 - METALLURGY OF IRON
Information Patent Grant
Methods and systems for producing direct reduced iron and steel mil...
- Patent number 9,938,594
- Issue date Apr 10, 2018
- Midrex Technologies, Inc.
- Robert Cheeley
- C21 - METALLURGY OF IRON
Information Patent Grant
Methods and systems for producing direct reduced iron utilizing a p...
- Patent number 9,868,999
- Issue date Jan 16, 2018
- Midrex Technologies, Inc.
- Robert Cheeley
- C21 - METALLURGY OF IRON
Information Patent Grant
Reformer-gas-based reduction process with decarbonization of the fu...
- Patent number 9,797,026
- Issue date Oct 24, 2017
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Robert Millner
- 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
Method and apparatus for production of direct reduced iron (DRI) ut...
- Patent number 9,725,778
- Issue date Aug 8, 2017
- HYL TECHNOLOGIES, S.A. DE C.V.
- Alessandro Martinis
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING DIRECT REDUCTION IRON
- Publication number 20240410027
- Publication date Dec 12, 2024
- NIPPON STEEL CORPORATION
- Moritoshi MIZUTANI
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR OPERATING A BLAST FURNACE PLANT
- Publication number 20240400384
- Publication date Dec 5, 2024
- PAUL WURTH S.A.
- Klaus Peter KINZEL
- C01 - INORGANIC CHEMISTRY
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
METHOD FOR OPERATING A METALLURGICAL PLANT FOR PRODUCING IRON PRODUCTS
- Publication number 20240360526
- Publication date Oct 31, 2024
- PAUL WURTH S.A.
- Cristiano CASTAGNOLA
- 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
PROCESSES AND METHODS FOR THE PRODUCTION OF IRON AND STEEL
- Publication number 20240327937
- Publication date Oct 3, 2024
- Calix Ltd.
- Mark SCEATS
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS AND A SYSTEM FOR THE PRODUCTION OF SPONGE IRON FROM IRON ORE
- Publication number 20240309476
- Publication date Sep 19, 2024
- HYBRIT Development AB
- Raimon Perea Marin
- C21 - METALLURGY OF IRON
Information Patent Application
System and method for pyrolysis driven reduced iron production usin...
- Publication number 20240309477
- Publication date Sep 19, 2024
- Molten Industries Inc.
- Kevin A. Bush
- C21 - METALLURGY OF IRON
Information Patent Application
AGGLOMERATED ORE ASSESSING METHOD AND AGGLOMERATED ORE
- Publication number 20240287631
- Publication date Aug 29, 2024
- JFE STEEL CORPORATION
- Yuya MORITA
- C21 - METALLURGY OF IRON
Information Patent Application
PRE-REDUCED PELLET PREPARATION APPARATUS AND METHOD BASED ON GRATE-...
- Publication number 20240279767
- Publication date Aug 22, 2024
- Baoshan Iron & Steel Co., Ltd
- Jian Li
- C21 - METALLURGY OF IRON
Information Patent Application
A method for manufacturing direct reduced iron
- Publication number 20240263260
- Publication date Aug 8, 2024
- ARCELORMITTAL
- Sarah SALAME
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
A method for manufacturing direct reduced iron
- Publication number 20240254575
- Publication date Aug 1, 2024
- ARCELORMITTAL
- Sarah SALAME
- C21 - METALLURGY OF IRON
Information Patent Application
Method for manufacturing Direct Reduced Iron and DRI manufacturing...
- Publication number 20240240276
- Publication date Jul 18, 2024
- ARCELORMITTAL
- George TSVIK
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR MANUFACTURING DIRECT REDUCED IRON AND DRI MANUFACTURING...
- Publication number 20240240275
- Publication date Jul 18, 2024
- ARCELORMITTAL
- George TSVIK
- C21 - METALLURGY OF IRON
Information Patent Application
REDUCED IRON PRODUCTION METHOD AND REDUCED IRON PRODUCTION DEVICE
- Publication number 20240175101
- Publication date May 30, 2024
- JFE STEEL CORPORATION
- Koki TERUI
- 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
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
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
PROCESS FOR THE PRODUCTION OF CARBURIZED SPONGE IRON
- Publication number 20240035103
- Publication date Feb 1, 2024
- HYBRIT Development AB
- Farzad Mohseni-Mörner
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD AND SYSTEM FOR HEATING DIRECT REDUCED IRON (DRI) BETWEEN A D...
- Publication number 20230332259
- Publication date Oct 19, 2023
- MIDREX TECHNOLOGIES, INC.
- Todd Michael ASTORIA
- 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
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
METHOD FOR PRODUCING REDUCED IRON
- Publication number 20230167516
- Publication date Jun 1, 2023
- NIPPON STEEL CORPORATION
- Takanobu INADA
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING REDUCED IRON
- Publication number 20230167517
- Publication date Jun 1, 2023
- NIPPON STEEL CORPORATION
- Takanobu INADA
- 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
METHOD FOR RECYCLING SPENT REDUCTION GAS IN A DIRECT REDUCTION OF I...
- Publication number 20230052345
- Publication date Feb 16, 2023
- MIDREX TECHNOLOGIES, INC.
- Haruyasu Michishita
- C21 - METALLURGY OF IRON
Information Patent Application
FACILITY AND METHOD FOR PRODUCTION OF DIRECT REDUCED IRON
- Publication number 20230038218
- Publication date Feb 9, 2023
- KESS Limited Liability Company
- Masahiko TETSUMOTO
- C21 - METALLURGY OF IRON
Information Patent Application
DIRECT REDUCTION SYSTEM UTILIZING HYDROGEN
- Publication number 20230034215
- Publication date Feb 2, 2023
- MIDREX TECHNOLOGIES, INC.
- Todd Michael ASTORIA
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHOD AND CORRESPONDING APPARATUS FOR PRODUCING IRON FROM DIRECT R...
- Publication number 20220396843
- Publication date Dec 15, 2022
- Danieli & C. Officine Meccaniche Spa
- Barbara FRANCO
- C21 - METALLURGY OF IRON

in shaft furnaces

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for carburization of HDRI produced in H2 based direct reduct...

Methods and systems for increasing the carbon content of direct red...

System and method for the production of hot briquetted iron (HBI) c...

Method and system for heating direct reduced iron (DRI) between a D...

Direct reduction process utilizing hydrogen

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

Method for direct reduction using vent gas

Charging system, in particular for a shaft smelt reduction furnace

Direct reduction process utilizing hydrogen

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

Raw material for direct reduction, method of producing raw material...

Direct reduction with coal gasification and coke oven gas

Direct reduction system and process utilizing a process gas direct...

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

Direct reduction process and shaft furnace utilizing an extended fl...

Metallurgical furnace for producing metallic alloys

Methods for mitigating the buildup of direct reduced iron clusters...

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

Composite iron pellets

Methods and systems for producing high carbon content metallic iron...

Method and apparatus for recycling top gas for shaft furnace

Systems and methods for generating carbon dioxide for use as a refo...

Reformer gas-based reducing method with reduced NOx emission

Method for reducing iron oxide to metallic iron using coke oven gas

Direct reduction process with improved product quality and process...

Methods and systems for producing direct reduced iron and steel mil...

Methods and systems for producing direct reduced iron utilizing a p...

Reformer-gas-based reduction process with decarbonization of the fu...

Shaft furnace and method of operating same

Method and apparatus for production of direct reduced iron (DRI) ut...

Patents Applicationslast 30 patents

METHOD FOR PRODUCING DIRECT REDUCTION IRON

METHOD FOR OPERATING A BLAST FURNACE PLANT

IRONMAKING METHOD

METHOD FOR OPERATING A METALLURGICAL PLANT FOR PRODUCING IRON PRODUCTS

METHOD FOR PRODUCING AN IRON MELT

PROCESSES AND METHODS FOR THE PRODUCTION OF IRON AND STEEL

PROCESS AND A SYSTEM FOR THE PRODUCTION OF SPONGE IRON FROM IRON ORE

System and method for pyrolysis driven reduced iron production usin...

AGGLOMERATED ORE ASSESSING METHOD AND AGGLOMERATED ORE

PRE-REDUCED PELLET PREPARATION APPARATUS AND METHOD BASED ON GRATE-...

A method for manufacturing direct reduced iron

A method for manufacturing direct reduced iron

Method for manufacturing Direct Reduced Iron and DRI manufacturing...

METHOD FOR MANUFACTURING DIRECT REDUCED IRON AND DRI MANUFACTURING...

REDUCED IRON PRODUCTION METHOD AND REDUCED IRON PRODUCTION DEVICE

ARRANGEMENT AND PROCESS FOR CHARGING IRON ORE TO, AND/OR DISCHARGIN...

BLEED-OFF GAS RECOVERY IN A DIRECT REDUCTION PROCESS

SMART HYDROGEN PRODUCTION FOR DRI MAKING

METHOD OF STEEL SMELTING DIRECTLY FROM IRON ORE

PROCESS FOR THE PRODUCTION OF CARBURIZED SPONGE IRON

METHOD AND SYSTEM FOR HEATING DIRECT REDUCED IRON (DRI) BETWEEN A D...

MODULAR DIRECT REDUCTION SYSTEMS AND ASSOCIATED METHODS

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

METHOD FOR PRODUCING REDUCED IRON

METHOD FOR PRODUCING REDUCED IRON

Process for the Production of Carburized Sponge Iron

METHOD FOR RECYCLING SPENT REDUCTION GAS IN A DIRECT REDUCTION OF I...

FACILITY AND METHOD FOR PRODUCTION OF DIRECT REDUCED IRON

DIRECT REDUCTION SYSTEM UTILIZING HYDROGEN

METHOD AND CORRESPONDING APPARATUS FOR PRODUCING IRON FROM DIRECT R...