in multi-storied furnaces

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CPC
C21B13/06

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CCHEMISTRY METALLURGY C21Iron metallurgy C21BMANUFACTURE OF IRON OR STEEL C21B13/00Making spongy iron or liquid steel, by direct processes

Current Industry

C21B13/06in multi-storied furnaces

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and methods for producing direct reduced iron
- Patent number 9,115,413
- Issue date Aug 25, 2015
- Giulio Grossi
- C21 - METALLURGY OF IRON
Information Patent Grant
Electric furnace for producing molten metal having material recycli...
- Patent number 8,871,000
- Issue date Oct 28, 2014
- Midrex Technologies, Inc.
- Masahiko Tetsumoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing directly reduced iron in a layered furnace
- Patent number 6,395,057
- Issue date May 28, 2002
- Paul Wurth S.A.
- Romain Frieden
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for the production of liquid iron from iron oxide
- Patent number 4,687,183
- Issue date Aug 18, 1987
- Hoogovens Groep B.V.
- Jean M. van Langen
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for the production of liquid iron from iron oxide
- Patent number 4,579,588
- Issue date Apr 1, 1986
- Hoogovens Groep B.V.
- Jean M. van Langen
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of converting iron ore into molten iron
- Patent number 4,412,858
- Issue date Nov 1, 1983
- Hylsa, S.A.
- Ricardo Viramontes-Brown
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing molten iron
- Patent number 4,316,739
- Issue date Feb 23, 1982
- Midrex Corporation
- Donald Beggs
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for producing molten iron by submerged combustion
- Patent number 4,270,740
- Issue date Jun 2, 1981
- Midrex Corporation
- Charles W. Sanzenbacher
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing molten iron from iron oxide with coal and oxygen
- Patent number 4,248,626
- Issue date Feb 3, 1981
- Midrex Corporation
- John C. Scarlett
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing molten iron by submerged combustion
- Patent number 4,238,226
- Issue date Dec 9, 1980
- Midrex Corporation
- Charles W. Sanzenbacher
- C21 - METALLURGY OF IRON
Information Patent Grant
Impact bed gasifier-melter
- Patent number 4,235,425
- Issue date Nov 25, 1980
- Midrex Corporation
- Donald Beggs
- C21 - METALLURGY OF IRON
Information Patent Grant
Shaft furnace for producing low-oxygen iron-base metallic powder fo...
- Patent number 4,223,874
- Issue date Sep 23, 1980
- Kawasaki Steel Corporation
- Yoshihiro Kajinaga
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process of smelting with submerged burner
- Patent number 4,203,761
- Issue date May 20, 1980
- LeMay; Robert C.
- Robert N. Rose
- C21 - METALLURGY OF IRON
Information Patent Grant
Continuous processes and equipment for treatment of solid substances
- Patent number 4,188,184
- Issue date Feb 12, 1980
- Luigi Fornoni
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for the reduction of metal oxides
- Patent number 4,179,282
- Issue date Dec 18, 1979
- CVG-Siderurgica Del Orinoco, C.A.
- Charles A. Rubio
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for the direct reduction of iron ore
- Patent number 4,160,663
- Issue date Jul 10, 1979
- Jack Hsieh
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for cooling sponge metal
- Patent number 4,152,139
- Issue date May 1, 1979
- Hylsa, S.A.
- Hector L. Ramos
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of reducing ore using a plasma burner
- Patent number 4,019,895
- Issue date Apr 26, 1977
- SKF Industrial Trading and Development Company, B.V.
- Sven Santen
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for the reduction of ores, especially iron ores
- Patent number 4,001,008
- Issue date Jan 4, 1977
- Vereinigte Osterreichische Eisen- und Stahlwerke-Alpine Montan Aktiengesellsc...
- Kurt Stift
- C21 - METALLURGY OF IRON
Information Patent Grant
Direct metal reduction from coal
- Patent number 3,985,548
- Issue date Oct 12, 1976
- Leas Brothers Development Corporation
- Lawrence Earl Leas
- C21 - METALLURGY OF IRON
Information Patent Grant
3918956
- Patent number 3,918,956
- Issue date Nov 11, 1975
- C21 - METALLURGY OF IRON
Information Patent Grant
3756804
- Patent number 3,756,804
- Issue date Sep 4, 1973
- C21 - METALLURGY OF IRON
Information Patent Grant
3685166
- Patent number 3,685,166
- Issue date Aug 22, 1972
- C21 - METALLURGY OF IRON
Information Patent Grant
3558118
- Patent number 3,558,118
- Issue date Jan 26, 1971
- C21 - METALLURGY OF IRON
Information Patent Grant
3407059
- Patent number 3,407,059
- Issue date Oct 22, 1968
- C21 - METALLURGY OF IRON
Information Patent Grant
3369888
- Patent number 3,369,888
- Issue date Feb 20, 1968
- C21 - METALLURGY OF IRON
Information Patent Grant
3313618
- Patent number 3,313,618
- Issue date Apr 11, 1967
- C21 - METALLURGY OF IRON
Information Patent Grant
3191920
- Patent number 3,191,920
- Issue date Jun 29, 1965
- C21 - METALLURGY OF IRON
Information Patent Grant
3163521
- Patent number 3,163,521
- Issue date Dec 29, 1964
- C21 - METALLURGY OF IRON
Information Patent Grant
3148973
- Patent number 3,148,973
- Issue date Sep 15, 1964
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
DIRECT BATH SMELTING PROCESS WITH MANAGEMENT OF PERIPHERAL COLD ZON...
- Publication number 20230407422
- Publication date Dec 21, 2023
- Nucor Corporation
- Rodney James Dry
- C21 - METALLURGY OF IRON
Information Patent Application
APPARATUS AND METHODS FOR PRODUCING DIRECT REDUCED IRON
- Publication number 20120325053
- Publication date Dec 27, 2012
- Giulio Grossi
- C21 - METALLURGY OF IRON
Information Patent Application
ELECTRIC FURNACE FOR PRODUCING MOLTEN METAL HAVING MATERIAL RECYCLI...
- Publication number 20120297925
- Publication date Nov 29, 2012
- Masahiko TETSUMOTO
- C21 - METALLURGY OF IRON

in multi-storied furnaces

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Apparatus and methods for producing direct reduced iron

Electric furnace for producing molten metal having material recycli...

Method for producing directly reduced iron in a layered furnace

Apparatus for the production of liquid iron from iron oxide

Method for the production of liquid iron from iron oxide

Method of converting iron ore into molten iron

Method for producing molten iron

Apparatus for producing molten iron by submerged combustion

Method for producing molten iron from iron oxide with coal and oxygen

Method for producing molten iron by submerged combustion

Impact bed gasifier-melter

Shaft furnace for producing low-oxygen iron-base metallic powder fo...

Process of smelting with submerged burner

Continuous processes and equipment for treatment of solid substances

Method for the reduction of metal oxides

Method for the direct reduction of iron ore

Method for cooling sponge metal

Method of reducing ore using a plasma burner

Method and apparatus for the reduction of ores, especially iron ores

Direct metal reduction from coal

3918956

3756804

3685166

3558118

3407059

3369888

3313618

3191920

3163521

3148973

Patents Applicationslast 30 patents

DIRECT BATH SMELTING PROCESS WITH MANAGEMENT OF PERIPHERAL COLD ZON...

APPARATUS AND METHODS FOR PRODUCING DIRECT REDUCED IRON

ELECTRIC FURNACE FOR PRODUCING MOLTEN METAL HAVING MATERIAL RECYCLI...