in retorts

Industry

CPC
C21B13/04

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Parent Industries

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

Current Industry

C21B13/04in retorts

Industries

Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for extracting zinc
- Patent number 7,790,099
- Issue date Sep 7, 2010
- David Wilson Investments Pty. Ltd.
- David Wilson
- C21 - METALLURGY OF IRON
Information Patent Grant
Production of iron using environmentally-benign renewable or recycl...
- Patent number 7,632,330
- Issue date Dec 15, 2009
- Michigan Technological University
- Timothy C. Eisele
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus removing undesirable metals from iron-containi...
- Patent number 6,379,421
- Issue date Apr 30, 2002
- Hylsa S.A. de C.V.
- Mario Alberto Salinas-Fernández
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for the production of iron carbide
- Patent number 5,387,274
- Issue date Feb 7, 1995
- C.V.G. Siderurgica Del Orinoco, C.A.
- Oscar G. Dam G.
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for the direct reduction of iron
- Patent number 5,064,467
- Issue date Nov 12, 1991
- C.V.G. Siderurgica Del Orinoco, C.A.
- Oscar G. Dam G.
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and apparatus for producing high purity iron
- Patent number 4,747,872
- Issue date May 31, 1988
- Hylsa, S.A.
- Ricardo Viramontes-Brown
- C21 - METALLURGY OF IRON
Information Patent Grant
Iron ores treatment apparatus
- Patent number 4,531,718
- Issue date Jul 30, 1985
- Arturo Lazcano-Navarro
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for zinc removal from oxide-containing iron sources
- Patent number 4,384,886
- Issue date May 24, 1983
- Voest-Alpine Aktiengesellschaft
- Kurt Stift
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of making sponge metal
- Patent number 4,375,983
- Issue date Mar 8, 1983
- Hylsa, S.A.
- Juan Celada
- C21 - METALLURGY OF IRON
Information Patent Grant
Batch process and static-bed type apparatus for reducing iron ore
- Patent number 4,348,225
- Issue date Sep 7, 1982
- Kawasaki Jukogyo Kabushiki Kaisha
- Takuya Maeda
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for the reduction of metal ores
- Patent number 4,338,123
- Issue date Jul 6, 1982
- Hylsa, S.A.
- Juan L. San Jose-Alcalde
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for gaseous reduction of metal ores with cooling loop
- Patent number 4,298,190
- Issue date Nov 3, 1981
- Fierro Esponja, S.A.
- Patrick W. MacKay
- C21 - METALLURGY OF IRON
Information Patent Grant
Ore treating apparatus
- Patent number 4,290,587
- Issue date Sep 22, 1981
- Pullman Incorporated
- Larry A. Coccia
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of making sponge iron
- Patent number 4,261,734
- Issue date Apr 14, 1981
- Hylsa, S.A.
- Juan F. Price-Falcon
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of using a methane-containing gas for reducing iron ore
- Patent number 4,253,867
- Issue date Mar 3, 1981
- Hylsa, S.A.
- Juan F. Price-Falcon
- C21 - METALLURGY OF IRON
Information Patent Grant
Carbothermic process for producing sponge iron and the improved ver...
- Patent number 4,242,125
- Issue date Dec 30, 1980
- Kinglor Metor S.p.A.
- Franco Colautti
- 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
Gas distributing closure plug for metallurgical reactor
- Patent number 4,221,366
- Issue date Sep 9, 1980
- Hylsa, S.A.
- Marco A. F. Verdugo
- C21 - METALLURGY OF IRON
Information Patent Grant
Fluid-wall reactor for high temperature chemical reaction processes
- Patent number 4,199,545
- Issue date Apr 22, 1980
- Thagard Technology Company
- Edwin Matovich
- C21 - METALLURGY OF IRON
Information Patent Grant
Carbothermic process
- Patent number 4,189,313
- Issue date Feb 19, 1980
- Kinglor Metor S.p.A.
- Franco Colautti
- 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 for the batchwise reduction of metal ores
- Patent number 4,099,963
- Issue date Jul 11, 1978
- Fierro Esponja, S.A.
- Patrick W. MacKay
- C21 - METALLURGY OF IRON
Information Patent Grant
High temperature chemical reaction processes utilizing fluid-wall r...
- Patent number 4,095,974
- Issue date Jun 20, 1978
- Thagard Technology Company
- Edwin Matovich
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for gaseous reduction of metal ores
- Patent number 4,067,728
- Issue date Jan 10, 1978
- Fierro Esponja, S.A.
- Patrick W. MacKay
- C21 - METALLURGY OF IRON
Information Patent Grant
High temperature chemical reaction processes utilizing fluid-wall r...
- Patent number 4,056,602
- Issue date Nov 1, 1977
- Thagard Technology Company
- Edwin Matovich
- C21 - METALLURGY OF IRON
Information Patent Grant
Direct gaseous reduction of oxidic metal ores with dual temperature...
- Patent number 4,046,556
- Issue date Sep 6, 1977
- Fierro Esponja, S.A.
- Juan Celada
- C21 - METALLURGY OF IRON
Information Patent Grant
Means for withdrawing sponge iron from retorts
- Patent number 4,005,857
- Issue date Feb 1, 1977
- Kinglor Metor S.p.A.
- Franco Colautti
- C21 - METALLURGY OF IRON
Information Patent Grant
3904397
- Patent number 3,904,397
- Issue date Sep 9, 1975
- C21 - METALLURGY OF IRON
Information Patent Grant
3895782
- Patent number 3,895,782
- Issue date Jul 22, 1975
- C21 - METALLURGY OF IRON
Information Patent Grant
3890142
- Patent number 3,890,142
- Issue date Jun 17, 1975
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
LOW TEMPERATURE DIRECT REDUCTION OF METAL OXIDES VIA THE IN SITU PR...
- Publication number 20230357884
- Publication date Nov 9, 2023
- Environmental Clean Technologies Limited
- Keith Michael HENLEY-SMITH
- C21 - METALLURGY OF IRON
Information Patent Application
MODULAR DIRECT REDUCTION SYSTEMS AND ASSOCIATED METHODS
- Publication number 20230295755
- Publication date Sep 21, 2023
- Fluor Technologies Corporation
- Jonathan M. DAILEY
- C21 - METALLURGY OF IRON
Information Patent Application
LOW TEMPERATURE DIRECT REDUCTION OF METAL OXIDES VIA THE IN SITU PR...
- Publication number 20190300982
- Publication date Oct 3, 2019
- Environmental Clean Technologies Limited
- Keith Michael HENLEY-SMITH
- C21 - METALLURGY OF IRON
Information Patent Application
Production of iron using environmentally-benign renewable or recycl...
- Publication number 20070209480
- Publication date Sep 13, 2007
- MICHIGAN TECHNOLOGICAL UNIVERSITY
- Timothy C. Eisele
- C21 - METALLURGY OF IRON
Information Patent Application
Process and apparatus for extracting zinc
- Publication number 20060123952
- Publication date Jun 15, 2006
- The Australian Steel Company(Operations) Pty Ltd.
- David Wilson
- C21 - METALLURGY OF IRON

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Process and apparatus for extracting zinc

Production of iron using environmentally-benign renewable or recycl...

Method and apparatus removing undesirable metals from iron-containi...

Process for the production of iron carbide

Method and apparatus for the direct reduction of iron

Process and apparatus for producing high purity iron

Iron ores treatment apparatus

Process for zinc removal from oxide-containing iron sources

Method of making sponge metal

Batch process and static-bed type apparatus for reducing iron ore

Method and apparatus for the reduction of metal ores

Apparatus for gaseous reduction of metal ores with cooling loop

Ore treating apparatus

Method of making sponge iron

Method of using a methane-containing gas for reducing iron ore

Carbothermic process for producing sponge iron and the improved ver...

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

Gas distributing closure plug for metallurgical reactor

Fluid-wall reactor for high temperature chemical reaction processes

Carbothermic process

Method for cooling sponge metal

Method for the batchwise reduction of metal ores

High temperature chemical reaction processes utilizing fluid-wall r...

Method for gaseous reduction of metal ores

High temperature chemical reaction processes utilizing fluid-wall r...

Direct gaseous reduction of oxidic metal ores with dual temperature...

Means for withdrawing sponge iron from retorts

3904397

3895782

3890142

Patents Applicationslast 30 patents

LOW TEMPERATURE DIRECT REDUCTION OF METAL OXIDES VIA THE IN SITU PR...

MODULAR DIRECT REDUCTION SYSTEMS AND ASSOCIATED METHODS

LOW TEMPERATURE DIRECT REDUCTION OF METAL OXIDES VIA THE IN SITU PR...

Production of iron using environmentally-benign renewable or recycl...

Process and apparatus for extracting zinc