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Manufacture of alloyed steels including ferro-alloys
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C21C5/5264
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CHEMISTRY METALLURGY
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Iron metallurgy
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PROCESSING OF PIG-IRON
C21C5/00
Manufacture of carbon-steel
Current Industry
C21C5/5264
Manufacture of alloyed steels including ferro-alloys
Industries
Overview
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Alloy steel manufacturing method
Patent number
11,549,162
Issue date
Jan 10, 2023
POSCO Co., Ltd
Woong Hee Han
C21 - METALLURGY OF IRON
Information
Patent Grant
Rail
Patent number
10,995,396
Issue date
May 4, 2021
Nippon Steel Corporation
Masaharu Ueda
C21 - METALLURGY OF IRON
Information
Patent Grant
Clean and rapid smelting method in an electric arc furnace with ful...
Patent number
10,808,290
Issue date
Oct 20, 2020
University of Science and Technology Beijing
Rong Zhu
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for making steel in an electric arc furnace and electric arc...
Patent number
10,337,077
Issue date
Jul 2, 2019
Genrikh Alekseevich Dorofeev
C21 - METALLURGY OF IRON
Information
Patent Grant
Methods and systems for producing ferro-chrome in a duplex furnace
Patent number
9,695,492
Issue date
Jul 4, 2017
Midrex Technologies, Inc.
Vincent Chevrier
C21 - METALLURGY OF IRON
Information
Patent Grant
Metallurgical composition for the manufacture of ferrochrome
Patent number
9,359,655
Issue date
Jun 7, 2016
Outotec Oyj
Helge Krogerus
C21 - METALLURGY OF IRON
Information
Patent Grant
Advanced technology for iron-chrome alloys production and related p...
Patent number
9,347,108
Issue date
May 24, 2016
Paolo Appolonia
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for making low and specified hardenability structural steel
Patent number
9,187,793
Issue date
Nov 17, 2015
Anatoly Alexeevich Kuznetsov
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for treatment of chrome-containing molten iron and slag
Patent number
8,753,419
Issue date
Jun 17, 2014
Nisshin Steel Co., Ltd.
Takahiro Yoshino
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for controlling foamed slag in a stainless melt in an electr...
Patent number
8,728,194
Issue date
May 20, 2014
SMS Siemag AG
Johann Reichel
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 for producing a steel melt containing up to 30% manganese
Patent number
8,444,743
Issue date
May 21, 2013
Salzgitter Flachstahl GmbH
Karl-Heinz Spitzer
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for production of ultra low phosphorous and carbon ferroman...
Patent number
8,268,036
Issue date
Sep 18, 2012
Dongbu Metal Co., Ltd.
Dong-Shik Min
C21 - METALLURGY OF IRON
Information
Patent Grant
Processing metallurgical slag
Patent number
8,211,206
Issue date
Jul 3, 2012
Anton Mecchi
C21 - METALLURGY OF IRON
Information
Patent Grant
Production of ferro-alloys
Patent number
8,070,849
Issue date
Dec 6, 2011
Newsouth Innovations Pty Limited
Veena Sahajwalla
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for the reduction of a slag having a high degree of chromium...
Patent number
8,043,401
Issue date
Oct 25, 2011
SMS Siemag Aktiengesellschaft
Johann Reichel
C21 - METALLURGY OF IRON
Information
Patent Grant
Production of ferro-alloys
Patent number
8,021,458
Issue date
Sep 20, 2011
New South Innovations Pty. Limited
Veena Sahajwalla
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and installation for producing steel products with optimum s...
Patent number
8,021,599
Issue date
Sep 20, 2011
SMS Siemag Aktiengesellschaft
Fritz-Peter Pleschiutschnigg
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and installation for the production of steel products having...
Patent number
7,998,237
Issue date
Aug 16, 2011
SMS Siemag Aktiengesellschaft
Fritz-Peter Pleschiutschnigg
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for recovering molybdenium, nickel, cobalt or their mixtures...
Patent number
7,951,220
Issue date
May 31, 2011
Paul Wurth S.A.
Jean-Luc Roth
C21 - METALLURGY OF IRON
Information
Patent Grant
Low-nickel austenitic stainless steel and method for producing same
Patent number
7,767,038
Issue date
Aug 3, 2010
Qingdao Samkyung Metals Co., Ltd.
Hyunku Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
High-purity ferroboron, a mother alloy for iron-base amorphous allo...
Patent number
7,704,450
Issue date
Apr 27, 2010
Nippon Steel Corporation
Sunao Takeuchi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for production of metallic elements of high purity such as c...
Patent number
7,361,205
Issue date
Apr 22, 2008
Delachaux S.A.
Philippe Liebaert
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing stainless steel by re-using waste material of s...
Patent number
7,175,691
Issue date
Feb 13, 2007
Kobe Steel, Ltd.
Hiroshi Sugitatsu
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing stainless steels, in particular high-grade ste...
Patent number
7,094,271
Issue date
Aug 22, 2006
SMS Demag AG
Karl Reiner Götzinger
C21 - METALLURGY OF IRON
Information
Patent Grant
Chromium-containing metal and method for producing the same
Patent number
7,004,992
Issue date
Feb 28, 2006
JFE Steel Corporation
Hiroiti Sugimori
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing stainless steel
Patent number
6,855,183
Issue date
Feb 15, 2005
Joseph Frank Pierce, Jr.
C21 - METALLURGY OF IRON
Information
Patent Grant
System for producing steel
Patent number
6,818,175
Issue date
Nov 16, 2004
SMS Demag AG
Klaus-Jürgen Kühne
C21 - METALLURGY OF IRON
Information
Patent Grant
Solid state reduction of oxides
Patent number
6,787,121
Issue date
Sep 7, 2004
Unisearch Limited
Oleg Ostrovski
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for recovering metallic chromium from slag containing chromi...
Patent number
6,679,931
Issue date
Jan 20, 2004
SMS Demag AG
Karl Götzinger
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND APPARATUS FOR METALS, ALLOYS, MATTES, OR ENRICHED AND CL...
Publication number
20240026476
Publication date
Jan 25, 2024
Hertha Metals, Inc.
Laureen MEROUEH
C21 - METALLURGY OF IRON
Information
Patent Application
DIRECT CURRENT ELECTRIC ARC FURNACE
Publication number
20220389529
Publication date
Dec 8, 2022
Matti HURTTA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR RECYCLING CHROMIUM OXIDE AND FORMING CHROMIUM-ALLOY STEEL
Publication number
20220170124
Publication date
Jun 2, 2022
SABIC Global Technologies B.V.
Mansour Nasser ALHARBI
C21 - METALLURGY OF IRON
Information
Patent Application
ALLOY STEEL MANUFACTURING METHOD
Publication number
20210262068
Publication date
Aug 26, 2021
POSCO
Woong Hee HAN
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING ALLOY STEEL
Publication number
20200377977
Publication date
Dec 3, 2020
POSCO
Soo Chang KANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD OF MAKING STAINLESS STEEL
Publication number
20200291497
Publication date
Sep 17, 2020
CHAMP TECH OPTICAL (FOSHAN) CORPORATION
DUNG-CHANG YEH
C21 - METALLURGY OF IRON
Information
Patent Application
RAIL
Publication number
20190161839
Publication date
May 30, 2019
NIPPON STEEL & SUMITOMO METAL CORPORATION
Masaharu UEDA
C21 - METALLURGY OF IRON
Information
Patent Application
CLEAN AND RAPID SMELTING METHOD IN AN ELECTRIC ARC FURNACE WITH FUL...
Publication number
20190048430
Publication date
Feb 14, 2019
University of Science and Technology Beijing
Rong ZHU
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCTION OF IRON-SILICON-ALUMINUM ALLOYS AND THEIR USE
Publication number
20180371562
Publication date
Dec 27, 2018
MEGALLOY AG
Vladimir Sergeyevich SHKOLNIK
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR CASTING IRON OR STEEL, A CHARGE FOR USE IN THE METHOD, A...
Publication number
20170307294
Publication date
Oct 26, 2017
Meehanite Worldwide Corporation Inc.
Pekka Kemppainen
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MAKING STEEL IN AN ELECTRIC ARC FURNACE AND ELECTRIC ARC...
Publication number
20160333430
Publication date
Nov 17, 2016
Genrikh Alekseevich DOROFEEV
C21 - METALLURGY OF IRON
Information
Patent Application
IRON AND MOLYBDENUM CONTAINING PELLETS
Publication number
20140326108
Publication date
Nov 6, 2014
AB FERROLEGERINGAR
Johan Arvidsson
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR IMPROVING THE REDUCTION DEGREE IN THE SMELTING OF FERROA...
Publication number
20140116202
Publication date
May 1, 2014
Outokumpu Oyj
Tuomo Mäkelä
C21 - METALLURGY OF IRON
Information
Patent Application
Process For Making Low and Specified Hardenability Structural Steel
Publication number
20130213184
Publication date
Aug 22, 2013
Anatoly Alexeevich Kuznetsov
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR TREATMENT OF CHROME-CONTAINING MOLTEN IRON AND SLAG
Publication number
20130025413
Publication date
Jan 31, 2013
NISSHIN STEEL CO., LTD.
Takahiro Yoshino
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING FOAMED SLAG ON HIGH-CHROMIUM MELTS IN AN ELECT...
Publication number
20130000446
Publication date
Jan 3, 2013
SMS Siemag Aktiengesellschaft
Lutz Rose
C21 - METALLURGY OF IRON
Information
Patent Application
ADVANCED TECHNOLOGY FOR IRON-CHROME ALLOYS PRODUCTION AND RELATED P...
Publication number
20120138253
Publication date
Jun 7, 2012
Paolo Appolonia
C21 - METALLURGY OF IRON
Information
Patent Application
Direct processing of metallic ore concentrates into ferroalloys
Publication number
20120036960
Publication date
Feb 16, 2012
Cardero Resource Corporation
Glenn E. Hoffman
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR PRODUCTION OF ULTRA LOW PHOSPHOROUS AND CARBON FERROMAN...
Publication number
20110265608
Publication date
Nov 3, 2011
Dong-Shik Min
C21 - METALLURGY OF IRON
Information
Patent Application
RECARBURISATION METHOD
Publication number
20110197713
Publication date
Aug 18, 2011
NewSouth Innovations Pty Limited
Veena Sahajwalla
C21 - METALLURGY OF IRON
Information
Patent Application
Method for Controlling Foamed Slag in a Stainless Melt in an Electr...
Publication number
20110146447
Publication date
Jun 23, 2011
SMS Siemag AG
Johann Reichel
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING A STEEL MELT CONTAINING UP TO 30% MANGANESE
Publication number
20110094336
Publication date
Apr 28, 2011
SALZGITTER FLACHSTAHL GMBH
Karl-Heinz Spitzer
C21 - METALLURGY OF IRON
Information
Patent Application
Production of Ferro-Alloys
Publication number
20100147108
Publication date
Jun 17, 2010
NewSouth Innovations Pty Limited
Veena Sahajwalla
C21 - METALLURGY OF IRON
Information
Patent Application
AUSTENITIC SERIES STAINLESS STEEL AND RELEVANT CASTING METHOD
Publication number
20100150771
Publication date
Jun 17, 2010
Chen-Tung Tseng
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR RECOVERING MOLYBDENIUM, NICKEL, COBALT OR THEIR MIXTURES...
Publication number
20100126309
Publication date
May 27, 2010
PAUL WURTH S.A.
Jean-Luc Roth
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR THE REDUCTION OF A SLAG HAVING A HIGH DEGREE OF CHROMIUM...
Publication number
20100089202
Publication date
Apr 15, 2010
SMS Siemag Aktiengesellschaft
Johann Reichel
C21 - METALLURGY OF IRON
Information
Patent Application
Method and installation for producing steel products with optimum s...
Publication number
20100000062
Publication date
Jan 7, 2010
Fritz-Peter Pleschiutschnigg
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Manufacture of Ferroalloys
Publication number
20090173187
Publication date
Jul 9, 2009
Andrew Miller Cameron
C21 - METALLURGY OF IRON
Information
Patent Application
LOW-NICKEL AUSTENITIC STAINLESS STEEL AND METHOD FOR PRODUCING SAME
Publication number
20090022617
Publication date
Jan 22, 2009
Hyunku Kim
C21 - METALLURGY OF IRON
Information
Patent Application
Processing Metallurgical Slag
Publication number
20080250899
Publication date
Oct 16, 2008
Anton Mecchi
C21 - METALLURGY OF IRON