in a direct current [DC] electric arc furnace

Industry

CPC
C21C5/5229

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Parent Industries

CCHEMISTRY METALLURGY C21Iron metallurgy C21CPROCESSING OF PIG-IRON C21C5/00Manufacture of carbon-steel

Current Industry

C21C5/5229in a direct current [DC] electric arc furnace

Industries

Patents Grantslast 30 patents

Information Patent Grant
Method for smelting low nitrogen steel using electric furnace
- Patent number 12,018,341
- Issue date Jun 25, 2024
- Baoshan Iron & Steel Co., Ltd.
- Yingtie Xu
- 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
Production method for maraging steel and production method for mara...
- Patent number 10,316,377
- Issue date Jun 11, 2019
- Hitachi Metals, Ltd.
- Takahiko Kamimura
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing manganese containing ferroalloy
- Patent number 10,125,413
- Issue date Nov 13, 2018
- Outotec (Finland) Oy
- Helge Krogerus
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for operating an arc furnace and smelting system having an a...
- Patent number 10,034,333
- Issue date Jul 24, 2018
- PRIMETALS TECHNOLOGIES GERMANY GmbH
- Ralph-Herbert Backes
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and device for determining the consumption of electrode mate...
- Patent number 9,841,366
- Issue date Dec 12, 2017
- SGL Carbon SE
- Franz-Xaver Werner
- 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
Flexible minimum energy utilization electric arc furnace system and...
- Patent number 9,551,045
- Issue date Jan 24, 2017
- A. Finkl & Sons Co.
- John A. Guliana
- C21 - METALLURGY OF IRON
Information Patent Grant
Slag-supplying container for use in electric furnace for reduction...
- Patent number 9,534,266
- Issue date Jan 3, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Toshiya Harada
- C21 - METALLURGY OF IRON
Information Patent Grant
Electrode for direct current continuous arc furnace
- Patent number 9,335,097
- Issue date May 10, 2016
- Danieli & C. Officine Meccaniche SpA
- Maurizio Picciotto
- C21 - METALLURGY OF IRON
Information Patent Grant
Reduction processing apparatus for steel-making slag and reduction...
- Patent number 9,238,846
- Issue date Jan 19, 2016
- Nippon Steel & Sumitomo Metal Corporation
- Toshiya Harada
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of reduction processing of steel-making slag
- Patent number 9,217,185
- Issue date Dec 22, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Toshiya Harada
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Partially-reduced iron producing method and partially-reduced iron...
- Patent number 8,961,650
- Issue date Feb 24, 2015
- Mitsubishi-Hitachi Metals Machinery, Inc.
- Susumu Kamikawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Metallurgical vessel for melting device for liquid metals
- Patent number 7,306,763
- Issue date Dec 11, 2007
- SMS Demag Aktiengesellschaft
- Manfred Schubert
- C21 - METALLURGY OF IRON
Information Patent Grant
Treatment of metal sulphide concentrates by roasting and electrical...
- Patent number 6,699,302
- Issue date Mar 2, 2004
- Mintek
- Rodney T Jones
- C21 - METALLURGY OF IRON
Information Patent Grant
Method to protect the anode bottoms in batch DC electric arc furnac...
- Patent number 6,693,947
- Issue date Feb 17, 2004
- D. L. Schroeder & Associates
- David L. Schroeder
- C21 - METALLURGY OF IRON
Information Patent Grant
Direct-current arc furnace comprising a centric charging shaft for...
- Patent number 6,490,312
- Issue date Dec 3, 2002
- SMS Schloemann-Siemag Aktiengesellschaft
- Fritz-Peter Pleschiutschnigg
- C21 - METALLURGY OF IRON
Information Patent Grant
Soderberg-type composite electrode for arc smelting furnace
- Patent number 6,452,956
- Issue date Sep 17, 2002
- Marcel Sciarone
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of judging slag forming state in electric furnace steel prod...
- Patent number 6,375,701
- Issue date Apr 23, 2002
- Kawasaki Steel Corporation
- Katsutoshi Yamashita
- C21 - METALLURGY OF IRON
Information Patent Grant
Iron smelting process and plant according to the multiple zone smel...
- Patent number 6,241,798
- Issue date Jun 5, 2001
- Voest-Alpine Industrieanlagenbau GmbH
- Stefan Dimitrov
- C21 - METALLURGY OF IRON
Information Patent Grant
Electrode and cooling element for a metallurgical vessel
- Patent number 6,031,861
- Issue date Feb 29, 2000
- Volkwin Koster
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for the electromagnetic stirring of the liquid metal in elec...
- Patent number 6,026,113
- Issue date Feb 15, 2000
- Danieli & C. Officine Meccaniche S.p.A.
- Milorad Pavlicevic
- C21 - METALLURGY OF IRON
Information Patent Grant
Cooling system for cathodes in direct current electric arc furnaces
- Patent number 5,933,445
- Issue date Aug 3, 1999
- Danieli & C. Officine Meccaniche S.p.A.
- Milorad Pavlicevic
- C21 - METALLURGY OF IRON
Information Patent Grant
Plant for producing metal melts
- Patent number 5,900,209
- Issue date May 4, 1999
- Voest-Alpine Industrieanlagenbau GmbH
- Bernhard Aigner
- C21 - METALLURGY OF IRON
Information Patent Grant
Cooling system for electrodes in D.C. electric arc furnaces
- Patent number 5,889,809
- Issue date Mar 30, 1999
- Danieli & C. Officine Meccaniche S.p.A.
- Milorad Pavlicevic
- C21 - METALLURGY OF IRON
Information Patent Grant
Charging device for arc furnaces
- Patent number 5,887,016
- Issue date Mar 23, 1999
- Mannesmann Aktiengesellschaft
- Ewald Feuerstacke
- C21 - METALLURGY OF IRON
Information Patent Grant
Electrode arrangement for direct current and furnace
- Patent number 5,844,933
- Issue date Dec 1, 1998
- Voest-Alpine Industrien-lagenbau GmbH
- Bernhard Aigner
- C21 - METALLURGY OF IRON
Information Patent Grant
Bottom electrode for a metallurgical vessel
- Patent number 5,835,523
- Issue date Nov 10, 1998
- Mannesmann Aktiengesellschaft
- Lutz Becker
- C21 - METALLURGY OF IRON
Information Patent Grant
Metallurgical vessel heated by direct current and having a bottom e...
- Patent number 5,809,055
- Issue date Sep 15, 1998
- Mannesmann Aktiengesellschaft
- Heinz Stark
- C21 - METALLURGY OF IRON
Information Patent Grant
Furnace vessel for a DC arc furnace
- Patent number 5,787,109
- Issue date Jul 28, 1998
- Asea Brown Boveri AG
- Sven-Einar Stenkvist
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
METALLURGICAL FURNACE WITH CARBON INJECTING LANCE
- Publication number 20240344156
- Publication date Oct 17, 2024
- METIX (PROPRIETARY) LIMITED
- Gabriel Jacobus LOTTER
- C21 - METALLURGY OF IRON
Information Patent Application
TREATMENT METHOD OF MOLTEN STEEL AND STEEL PRODUCTION METHOD
- Publication number 20240287632
- Publication date Aug 29, 2024
- JFE STEEL CORPORATION
- Hidemitsu NEGISHI
- 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 SMELTING LOW NITROGEN STEEL USING ELECTRIC FURNACE
- Publication number 20210355555
- Publication date Nov 18, 2021
- Baoshan Iron & Steel Co., Ltd
- Yingtie XU
- C21 - METALLURGY OF IRON
Information Patent Application
PRODUCTION METHOD FOR MARAGING STEEL AND PRODUCTION METHOD FOR MARA...
- Publication number 20170159140
- Publication date Jun 8, 2017
- Hitachi Metals, Ltd.
- Takahiko KAMIMURA
- 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
METHODS FOR PRODUCING IMPROVED STEELS BY INJECTING IRON CONTAINING...
- Publication number 20160326606
- Publication date Nov 10, 2016
- Saudi Basic Industries Corporation
- Othman N. AL-ZEGHAIBI
- C21 - METALLURGY OF IRON
Information Patent Application
Flexible minimum energy utilization electric arc furnace system and...
- Publication number 20150107797
- Publication date Apr 23, 2015
- John A. Guliana
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR OPERATING AN ARC FURNACE AND SMELTING SYSTEM HAVING AN A...
- Publication number 20150049780
- Publication date Feb 19, 2015
- SIEMENS AKTIENGESELLSCHAFT
- Ralph-Herbert Backes
- C21 - METALLURGY OF IRON
Information Patent Application
REDUCTION PROCESSING APPARATUS FOR STEEL-MAKING SLAG AND REDUCTION...
- Publication number 20140291901
- Publication date Oct 2, 2014
- Toshiya Harada
- C21 - METALLURGY OF IRON
Information Patent Application
SLAG-SUPPLYING CONTAINER FOR USE IN ELECTRIC FURNACE FOR REDUCTION...
- Publication number 20140247856
- Publication date Sep 4, 2014
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Toshiya Harada
- C21 - METALLURGY OF IRON
Information Patent Application
PARTIALLY-REDUCED IRON PRODUCING METHOD AND PARTIALLY-REDUCED IRON...
- Publication number 20130139647
- Publication date Jun 6, 2013
- Mitsubishi-Hitachi Metals Machinery, Inc.
- Susumu KAMIKAWA
- C21 - METALLURGY OF IRON
Information Patent Application
ELECTRODE FOR DIRECT CURRENT CONTINUOUS ARC FURNACE
- Publication number 20120269225
- Publication date Oct 25, 2012
- Danieli & C. Officine Meccaniche S.P.A.
- Maurizio Picciotto
- C21 - METALLURGY OF IRON
Information Patent Application
TOUGHENED GRAPHITE ELECTRODES FOR ELECTRIC ARC FURNACES
- Publication number 20100175506
- Publication date Jul 15, 2010
- UT-Battelle, LLC
- Peter J. Pappano
- C21 - METALLURGY OF IRON
Information Patent Application
Metallurgical vessel for melting device for liquid metals
- Publication number 20050046094
- Publication date Mar 3, 2005
- Manfred Schubert
- C21 - METALLURGY OF IRON
Information Patent Application
Electrode and method for arranging the electrode in electric arc fu...
- Publication number 20040066830
- Publication date Apr 8, 2004
- Roland Konig
- C21 - METALLURGY OF IRON

in a direct current [DC] electric arc furnace

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for smelting low nitrogen steel using electric furnace

Method for making steel in an electric arc furnace and electric arc...

Production method for maraging steel and production method for mara...

Method for producing manganese containing ferroalloy

Method for operating an arc furnace and smelting system having an a...

Method and device for determining the consumption of electrode mate...

Methods and systems for producing ferro-chrome in a duplex furnace

Flexible minimum energy utilization electric arc furnace system and...

Slag-supplying container for use in electric furnace for reduction...

Electrode for direct current continuous arc furnace

Reduction processing apparatus for steel-making slag and reduction...

Method of reduction processing of steel-making slag

Partially-reduced iron producing method and partially-reduced iron...

Metallurgical vessel for melting device for liquid metals

Treatment of metal sulphide concentrates by roasting and electrical...

Method to protect the anode bottoms in batch DC electric arc furnac...

Direct-current arc furnace comprising a centric charging shaft for...

Soderberg-type composite electrode for arc smelting furnace

Method of judging slag forming state in electric furnace steel prod...

Iron smelting process and plant according to the multiple zone smel...

Electrode and cooling element for a metallurgical vessel

Method for the electromagnetic stirring of the liquid metal in elec...

Cooling system for cathodes in direct current electric arc furnaces

Plant for producing metal melts

Cooling system for electrodes in D.C. electric arc furnaces

Charging device for arc furnaces

Electrode arrangement for direct current and furnace

Bottom electrode for a metallurgical vessel

Metallurgical vessel heated by direct current and having a bottom e...

Furnace vessel for a DC arc furnace

Patents Applicationslast 30 patents

METALLURGICAL FURNACE WITH CARBON INJECTING LANCE

TREATMENT METHOD OF MOLTEN STEEL AND STEEL PRODUCTION METHOD

DIRECT CURRENT ELECTRIC ARC FURNACE

METHOD FOR SMELTING LOW NITROGEN STEEL USING ELECTRIC FURNACE

PRODUCTION METHOD FOR MARAGING STEEL AND PRODUCTION METHOD FOR MARA...

METHOD FOR MAKING STEEL IN AN ELECTRIC ARC FURNACE AND ELECTRIC ARC...

METHODS FOR PRODUCING IMPROVED STEELS BY INJECTING IRON CONTAINING...

Flexible minimum energy utilization electric arc furnace system and...

METHOD FOR OPERATING AN ARC FURNACE AND SMELTING SYSTEM HAVING AN A...

REDUCTION PROCESSING APPARATUS FOR STEEL-MAKING SLAG AND REDUCTION...

SLAG-SUPPLYING CONTAINER FOR USE IN ELECTRIC FURNACE FOR REDUCTION...

PARTIALLY-REDUCED IRON PRODUCING METHOD AND PARTIALLY-REDUCED IRON...

ELECTRODE FOR DIRECT CURRENT CONTINUOUS ARC FURNACE

TOUGHENED GRAPHITE ELECTRODES FOR ELECTRIC ARC FURNACES

Metallurgical vessel for melting device for liquid metals

Electrode and method for arranging the electrode in electric arc fu...