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C21B13/12
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Parent Industries
C
CHEMISTRY METALLURGY
C21
Iron metallurgy
C21B
MANUFACTURE OF IRON OR STEEL
C21B13/00
Making spongy iron or liquid steel, by direct processes
Current Industry
C21B13/12
in electric furnaces
Industries
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Impact
Patents Grants
last 30 patents
Information
Patent Grant
Spray cooling furnace electrodes with a cooling liquid that contain...
Patent number
11,979,968
Issue date
May 7, 2024
ChemTreat, Inc.
Joseph S. Strasser
C21 - METALLURGY OF IRON
Information
Patent Grant
Production of iron
Patent number
11,959,153
Issue date
Apr 16, 2024
Technological Resources Pty. Limited
Michael Buckley
C21 - METALLURGY OF IRON
Information
Patent Grant
Refractory batch, a method for producing an unshaped refractory cer...
Patent number
11,905,217
Issue date
Feb 20, 2024
Refractory Intellectual Property GmbH & Co. KG
Stefan Heid
C21 - METALLURGY OF IRON
Information
Patent Grant
Vessel for containing direct reduced iron
Patent number
11,859,907
Issue date
Jan 2, 2024
Danieli & C. Officine Meccaniche SpA
Angelico Della Negra
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
Plant for melting and/or heating metal material and method to power it
Patent number
11,742,660
Issue date
Aug 29, 2023
Danieli Automation SpA
Antonello Mordeglia
C21 - METALLURGY OF IRON
Information
Patent Grant
Production of iron
Patent number
11,479,829
Issue date
Oct 25, 2022
Technological Resources Pty. Limited
Michael Buckley
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 for manufacturing artificial graphite electrode
Patent number
11,286,165
Issue date
Mar 29, 2022
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
Yoichi Kawano
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Production apparatus and method for electric arc furnace steelmakin...
Patent number
11,174,524
Issue date
Nov 16, 2021
University of Science and Technology Beijing
Rong Zhu
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Melting and refining furnace for cold iron source and method of ope...
Patent number
11,053,559
Issue date
Jul 6, 2021
Taiyo Nippon Sanso Corporation
Yoshiyuki Hagihara
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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
Equipment for measurement and control of load material fed into a f...
Patent number
10,830,537
Issue date
Nov 10, 2020
Tenova S.p.A.
Dario Locatelli
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
High toughness secondary hardening steels with nickel as a primary...
Patent number
10,428,410
Issue date
Oct 1, 2019
Carnegie Mellon University
Warren M. Garrison
C21 - METALLURGY OF IRON
Information
Patent Grant
Production method of granular metallic iron
Patent number
10,407,744
Issue date
Sep 10, 2019
Kobe Steel, Ltd.
Shorin O
C21 - METALLURGY OF IRON
Information
Patent Grant
Equipment for measurement and control of load material or scrap fee...
Patent number
10,060,677
Issue date
Aug 28, 2018
Tenova S.p.A.
Paolo Argenta
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
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
Apparatus for manufacturing molten metal
Patent number
9,557,109
Issue date
Jan 31, 2017
Kobe Steel, Ltd.
Masahiko Tetsumoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Burner and/or injector panel apparatus, methods of installation and...
Patent number
9,500,411
Issue date
Nov 22, 2016
Air Liquide Advanced Technologies U.S. LLC
Yury Eyfa
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for manufacturing molten metal
Patent number
9,453,678
Issue date
Sep 27, 2016
Kobe Steel, Ltd.
Masahiko Tetsumoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for the commercial production of iron
Patent number
9,150,939
Issue date
Oct 6, 2015
Iron Mineral Beneficiation Services (Proprietary) Limited
Gerard Pretorius
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for melting steel
Patent number
9,045,810
Issue date
Jun 2, 2015
ABB Research Ltd.
Rebei Bel Fdhila
C21 - METALLURGY OF IRON
Information
Patent Grant
Green process for the preparation of direct reduced iron (DRI)
Patent number
8,728,195
Issue date
May 20, 2014
Council of Scientific and Industrial Research
Bhagyadhar Bhoi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for the commercial production of iron
Patent number
8,613,787
Issue date
Dec 24, 2013
Iron Mineral Beneficiation Services (Proprietary) Limited
Gerard Pretorius
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
Direct processing of metallic ore concentrates into ferroalloys
Patent number
8,545,593
Issue date
Oct 1, 2013
Cardero Resource Corporation
Glenn E. Hoffman
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and furnace for melting steel scrap
Patent number
8,491,836
Issue date
Jul 23, 2013
Siemens Aktiengesellschaft
Thomas Matschullat
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing molten metal
Patent number
8,425,650
Issue date
Apr 23, 2013
Kobe Steel, Ltd.
Masahiko Tetsumoto
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
Reactors and Methods to Reduce Carbon Footprint of Electric Arc Fur...
Publication number
20240167172
Publication date
May 23, 2024
Dioxycle
Sarah Lamaison
C21 - METALLURGY OF IRON
Information
Patent Application
WIRE ROD FOR 5000 MPA-GRADE DIAMOND WIRE AND PRODUCTION METHOD THER...
Publication number
20230416865
Publication date
Dec 28, 2023
INSTITUTE OF RESEARCH OF IRON AND STEEL, JIANGSU PROVINCE/SHA-STEEL, CO. LTD...
Han MA
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
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
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
Method for producing liquid pig iron from a DRI product
Publication number
20230175087
Publication date
Jun 8, 2023
SMS group GMBH
Jochen SCHLÜTER
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
Hot-Work Die Steel Electroslag Remelted Ingot and Manufacturing Met...
Publication number
20230012944
Publication date
Jan 19, 2023
Longnan Longyi Heavy Rare-Earth Technology Co., Ltd.
Fusheng Zhu
B22 - CASTING POWDER METALLURGY
Information
Patent Application
PLANT FOR MELTING AND/OR HEATING METAL MATERIAL AND METHOD TO POWER IT
Publication number
20230018468
Publication date
Jan 19, 2023
DANIELI AUTOMATION SPA
Antonello Mordeglia
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND DEVICE FOR PRODUCING DIRECT REDUCED, CARBURIZED METAL
Publication number
20230002841
Publication date
Jan 5, 2023
GREENIRON H2 AB
Hans E. H. MURRAY
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Production of Iron
Publication number
20230002852
Publication date
Jan 5, 2023
TECHNOLOGICAL RESOURCES PTY. LIMITED
Michael Buckley
C21 - METALLURGY OF IRON
Information
Patent Application
Production of Iron
Publication number
20230002853
Publication date
Jan 5, 2023
TECHNOLOGICAL RESOURCES PTY. LIMITED
Michael Buckley
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR DETECTING WATER LEAKS FROM SMELTING FURNACES IN METAL O...
Publication number
20220397476
Publication date
Dec 15, 2022
Danieli & C. Officine Meccaniche Spa
Alessandra Primavera
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
METHOD AND SYSTEM FOR PRODUCING STEEL OR MOLTEN-IRON-CONTAINING MAT...
Publication number
20220235426
Publication date
Jul 28, 2022
TENOVA S.P.A.
Pablo Enrique DUARTE ESCAREÑO
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS AND APPARATUS FOR DIRECT REDUCTION WITH ELECTRICALLY HEATED...
Publication number
20220074006
Publication date
Mar 10, 2022
PRIMETALS TECHNOLOGIES AUSTRIA GMBH
Franz HAUZENBERGER
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND DEVICE FOR PRODUCING DIRECT REDUCED METAL
Publication number
20220064744
Publication date
Mar 3, 2022
GREENIRON H2 AB
Hans MURRAY
C21 - METALLURGY OF IRON
Information
Patent Application
PRODUCTION APPARATUS AND METHOD FOR ELECTRIC ARC FURNACE STEELMAKIN...
Publication number
20210355554
Publication date
Nov 18, 2021
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Rong ZHU
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Application
VESSEL FOR CONTAINING DIRECT REDUCED IRON
Publication number
20210333048
Publication date
Oct 28, 2021
Danieli & C. Officine Meccaniche Spa
Angelico DELLA NEGRA
F27 - FURNACES KILNS OVENS RETORTS
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
SPRAY COOLING FURNACE ELECTRODES WITH A COOLING LIQUID THAT CONTAIN...
Publication number
20210176835
Publication date
Jun 10, 2021
ChemTreat, Inc.
Joseph S. STRASSER
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Application
REFRACTORY BATCH, A METHOD FOR PRODUCING AN UNSHAPED REFRACTORY CER...
Publication number
20200207665
Publication date
Jul 2, 2020
Refractory Intellectual Property GmbH & Co. KG
Stefan Heid
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR OPERATING MELTING/REFINING FURNACE AND MELTING-REFINING...
Publication number
20200165692
Publication date
May 28, 2020
Taiyo Nippon Sanso Corporation
Yoshiyuki HAGIHARA
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Application
MELTING AND REFINING FURNACE FOR COLD IRON SOURCE AND METHOD OF OP...
Publication number
20190284652
Publication date
Sep 19, 2019
Taiyo Nippon Sanso Corporation
Yoshiyuki HAGIHARA
C21 - METALLURGY OF IRON
Information
Patent Application
Production of Iron
Publication number
20190241990
Publication date
Aug 8, 2019
TECHNOLOGICAL RESOURCES PTY. LIMITED
Michael Buckley
C21 - METALLURGY OF IRON
Information
Patent Application
DIRECT REDUCED IRON (DRI) HEAT TREATMENT, PRODUCTS FORMED THEREFROM...
Publication number
20190085420
Publication date
Mar 21, 2019
Nucor Corporation
Bradford Granger True
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MANUFACTURING ARTIFICIAL GRAPHITE ELECTRODE
Publication number
20190039909
Publication date
Feb 7, 2019
NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
Yoichi Kawano
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Equipment for measurement and control of load material fed into a f...
Publication number
20180347908
Publication date
Dec 6, 2018
TENOVA S.P.A.
Dario Locatelli
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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