Exhaust gases

Industry

CPC
C21B2100/00

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Parent Industries

CCHEMISTRY METALLURGY C21Iron metallurgy C21BMANUFACTURE OF IRON OR STEEL

Current Industry

Sub Industries

C21B2100/02Treatment of the exhaust gases C21B2100/04Recirculation of the exhaust gases C21B2100/06Energy from waste gases used in other processes

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method of operating blast furnace and blast furnace ancillary facility
- Patent number 12,365,953
- Issue date Jul 22, 2025
- JFE Steel Corporation
- Yuki Kawashiri
- C21 - METALLURGY OF IRON
Information Patent Grant
Systems and methods for improved carbon capture associated with mol...
- Patent number 12,258,640
- Issue date Mar 25, 2025
- 8 Rivers Capital, LLC
- Rodney John Allam
- C21 - METALLURGY OF IRON
Information Patent Grant
Reactors and methods for production of sustainable chemicals using...
- Patent number 12,258,671
- Issue date Mar 25, 2025
- Dioxycle
- Ruperto G Mariano
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process and apparatus for direct reduction with electrically heated...
- Patent number 12,209,293
- Issue date Jan 28, 2025
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Franz Hauzenberger
- C21 - METALLURGY OF IRON
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
Process for detecting water leaks from smelting furnaces in metal o...
- Patent number 12,169,157
- Issue date Dec 17, 2024
- Danieli & C. Officine Meccaniche SpA
- Alessandra Primavera
- C21 - METALLURGY OF IRON
Information Patent Grant
Seal gas optimization systems and methods for a direct reduction pr...
- Patent number 12,098,436
- Issue date Sep 24, 2024
- Midrex Technologies, Inc.
- Faycal Finnouche
- C21 - METALLURGY OF IRON
Information Patent Grant
Integrated hydrogen production method and system
- Patent number 12,091,758
- Issue date Sep 17, 2024
- Utility Global, Inc.
- Nicholas Farandos
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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
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
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
Seal gas optimization systems and methods for a direct reduction pr...
- Patent number 11,655,511
- Issue date May 23, 2023
- Midrex Technologies, Inc.
- Faycal Finnouche
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for operating a metallurgical furnace
- Patent number 11,591,662
- Issue date Feb 28, 2023
- Paul Wurth S.A.
- Cristiano Castagnola
- C21 - METALLURGY OF IRON
Information Patent Grant
Operating method of an iron making installation and associated oper...
- Patent number 11,525,167
- Issue date Dec 13, 2022
- Arcelormittal
- Joris Geeroms
- 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
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 operating an iron- or steelmaking- plant
- Patent number 11,377,700
- Issue date Jul 5, 2022
- L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
- Philippe Blostein
- C21 - METALLURGY OF IRON
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
Reduction gas extraction from saturated top gas
- Patent number 11,078,549
- Issue date Aug 3, 2021
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Andreas Steinwandter
- 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
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 and system for producing high-carbon DRI using syngas
- Patent number 10,927,424
- Issue date Feb 23, 2021
- HYL TECHNOLOGIES, S.A. DE C.V.
- Eugenio Zendejas-Martinez
- C01 - INORGANIC CHEMISTRY
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
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
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
Method of utilizing furnace off-gas for reduction of iron oxide pel...
- Patent number 10,787,717
- Issue date Sep 29, 2020
- Narong Limastian
- C21 - METALLURGY OF IRON
Information Patent Grant
Combined system for producing steel and method for operating the co...
- Patent number 10,781,498
- Issue date Sep 22, 2020
- ThyssenKrupp AG
- Reinhold Achatz
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for the energy-efficient operation of secondar...
- Patent number 10,712,753
- Issue date Jul 14, 2020
- SMS GROUP GMBH
- Joerg Thomasberger
- B08 - CLEANING
Information Patent Grant
Combined system for producing steel and method for operating the co...
- Patent number 10,697,031
- Issue date Jun 30, 2020
- ThyssenKrupp AG
- Reinhold Achatz
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR REDUCING FOSSIL CO2 EMISSIONS
- Publication number 20250229224
- Publication date Jul 17, 2025
- PAUL WURTH S.A.
- Luca SPADONI
- C21 - METALLURGY OF IRON
Information Patent Application
ARRANGEMENT AND PROCESS FOR CHARGING IRON ORE TO, AND/OR DISCHARGIN...
- Publication number 20250230512
- Publication date Jul 17, 2025
- HYBRIT Development AB
- Mikael Lindvall
- C21 - METALLURGY OF IRON
Information Patent Application
SYSTEM FOR CARBON DIOXIDE CAPTURE AND CARBON RECYCLING FOR STEEL MILL
- Publication number 20250214026
- Publication date Jul 3, 2025
- LOWCARBON CO., LTD.
- Cheol LEE
- C21 - METALLURGY OF IRON
Information Patent Application
REDUCTION OF A METAL OXIDE-CONTAINING MATERIAL ON THE BASIS OF AMMO...
- Publication number 20250207211
- Publication date Jun 26, 2025
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Alexander FLEISCHANDERL
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD AND SYSTEM FOR REMOVING CARBON DEPOSIT AT ELECTRIC HEATING S...
- Publication number 20250197956
- Publication date Jun 19, 2025
- MIDREX TECHNOLOGIES, INC.
- Haruyasu Michishita
- C21 - METALLURGY OF IRON
Information Patent Application
SYSTEMS AND METHODS FOR IMPROVED CARBON CAPTURE ASSOCIATED WITH MOL...
- Publication number 20250188552
- Publication date Jun 12, 2025
- 8 RIVERS CAPITAL, LLC
- Rodney John Allam
- C21 - METALLURGY OF IRON
Information Patent Application
BLAST FURNACE OPERATION METHOD
- Publication number 20250179593
- Publication date Jun 5, 2025
- NIPPON STEEL CORPORATION
- Masaaki TOKUNAGA
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING MOLTEN PIG IRON
- Publication number 20250179594
- Publication date Jun 5, 2025
- JFE STEEL CORPORATION
- Yuji IWAMI
- C21 - METALLURGY OF IRON
Information Patent Application
Reactors and Methods for Production of Sustainable Chemicals using...
- Publication number 20250179661
- Publication date Jun 5, 2025
- Dioxycle
- Ruperto G Mariano
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD OF REDUCING IRON ORE POWDER
- Publication number 20250163525
- Publication date May 22, 2025
- JFE STEEL CORPORATION
- Yoshiko NAKAHARA
- C21 - METALLURGY OF IRON
Information Patent Application
METHODS AND SYSTEMS TO PRODUCE HIGH QUALITY SYNGAS FOR THE PRODUCTI...
- Publication number 20250162864
- Publication date May 22, 2025
- MIDREX TECHNOLOGIES, INC.
- Gregory Darel Hughes
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD AND DEVICE FOR PRODUCING DIRECT REDUCED METAL
- Publication number 20250109450
- Publication date Apr 3, 2025
- GREENIRON H2 AB
- Hans MURRAY
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR OPERATING A STEELWORKS
- Publication number 20250092477
- Publication date Mar 20, 2025
- ThyssenKrupp Steel Europe AG
- Daniel SCHUBERT
- C21 - METALLURGY OF IRON
Information Patent Application
A METHOD FOR PRODUCING IRON FUEL
- Publication number 20250051866
- Publication date Feb 13, 2025
- RENEWABLE IRON FUEL TECHNOLOGY B.V.
- Lex SCHEEPERS
- C21 - METALLURGY OF IRON
Information Patent Application
Steelmaking method and associated network of plants
- Publication number 20250034668
- Publication date Jan 30, 2025
- ARCELORMITTAL
- Manfred VAN VLIERBERGHE
- C21 - METALLURGY OF IRON
Information Patent Application
Steelmaking method and associated network of plants
- Publication number 20250034669
- Publication date Jan 30, 2025
- ARCELORMITTAL
- Ignacio BAQUET GONZALEZ
- C21 - METALLURGY OF IRON
Information Patent Application
Injection Regulation and Control Device and Method for Blast Furnac...
- Publication number 20250027176
- Publication date Jan 23, 2025
- Changli Xingguo Precision Parts Co., LTD
- Guocheng ZHOU
- C21 - METALLURGY OF IRON
Information Patent Application
Steelmaking method and associated network of plants
- Publication number 20250019782
- Publication date Jan 16, 2025
- ARCELORMITTAL
- Dominique SERT
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR REDUCING CARBON FOOTPRINT IN OPERATING A METALLURGICAL P...
- Publication number 20250011888
- Publication date Jan 9, 2025
- PAUL WURTH S.A.
- Jan KRULL
- C21 - METALLURGY OF IRON
Information Patent Application
GEOTHERMALLY POWERED IRON PRODUCTION SYSTEMS AND METHODS
- Publication number 20240425941
- Publication date Dec 26, 2024
- EnhancedGEO Holdings, LLC
- Greg Lindberg
- C21 - METALLURGY OF IRON
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
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 and System for Treating CO2
- Publication number 20240375962
- Publication date Nov 14, 2024
- D-CRBN BV
- Gill SCHELTJENS
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Enrichment of Iron from Bauxite Waste in Chemical Looping Combustion
- Publication number 20240360525
- Publication date Oct 31, 2024
- University of Kentucky Research Foundation
- Neng Huang
- 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
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
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

Exhaust gases

Industry

Parent Industries

Current Industry

Sub Industries

Patents Grantslast 30 patents

Method of operating blast furnace and blast furnace ancillary facility

Systems and methods for improved carbon capture associated with mol...

Reactors and methods for production of sustainable chemicals using...

Process and apparatus for direct reduction with electrically heated...

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

Process for detecting water leaks from smelting furnaces in metal o...

Seal gas optimization systems and methods for a direct reduction pr...

Integrated hydrogen production method and system

Device for manufacturing molten iron

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

Direct reduction process utilizing hydrogen

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

Seal gas optimization systems and methods for a direct reduction pr...

Method for operating a metallurgical furnace

Operating method of an iron making installation and associated oper...

Direct reduction process utilizing hydrogen

Flash ironmaking drop tube furnace system

Method for operating an iron- or steelmaking- plant

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

Reduction gas extraction from saturated top gas

Direct reduction with coal gasification and coke oven gas

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

Method and system for producing high-carbon DRI using syngas

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

Flash ironmaking system and method

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

Method of utilizing furnace off-gas for reduction of iron oxide pel...

Combined system for producing steel and method for operating the co...

Method and apparatus for the energy-efficient operation of secondar...

Combined system for producing steel and method for operating the co...

Patents Applicationslast 30 patents

PROCESS FOR REDUCING FOSSIL CO2 EMISSIONS

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

SYSTEM FOR CARBON DIOXIDE CAPTURE AND CARBON RECYCLING FOR STEEL MILL

REDUCTION OF A METAL OXIDE-CONTAINING MATERIAL ON THE BASIS OF AMMO...

METHOD AND SYSTEM FOR REMOVING CARBON DEPOSIT AT ELECTRIC HEATING S...

SYSTEMS AND METHODS FOR IMPROVED CARBON CAPTURE ASSOCIATED WITH MOL...

BLAST FURNACE OPERATION METHOD

METHOD FOR PRODUCING MOLTEN PIG IRON

Reactors and Methods for Production of Sustainable Chemicals using...

METHOD OF REDUCING IRON ORE POWDER

METHODS AND SYSTEMS TO PRODUCE HIGH QUALITY SYNGAS FOR THE PRODUCTI...

METHOD AND DEVICE FOR PRODUCING DIRECT REDUCED METAL

METHOD FOR OPERATING A STEELWORKS

A METHOD FOR PRODUCING IRON FUEL

Steelmaking method and associated network of plants

Steelmaking method and associated network of plants

Injection Regulation and Control Device and Method for Blast Furnac...

Steelmaking method and associated network of plants

METHOD FOR REDUCING CARBON FOOTPRINT IN OPERATING A METALLURGICAL P...

GEOTHERMALLY POWERED IRON PRODUCTION SYSTEMS AND METHODS

METHOD FOR PRODUCING DIRECT REDUCTION IRON

METHOD FOR OPERATING A BLAST FURNACE PLANT

METHOD FOR REFINING MOLTEN IRON

METHOD FOR REFINING MOLTEN IRON

Method and System for Treating CO2

Enrichment of Iron from Bauxite Waste in Chemical Looping Combustion

METHOD FOR OPERATING A METALLURGICAL PLANT FOR PRODUCING IRON PRODUCTS

METHOD FOR PRODUCING AN IRON MELT

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

PROCESSES AND METHODS FOR THE PRODUCTION OF IRON AND STEEL