wherein iron or steel is obtained in a molten state

Industry

CPC
C21B13/023

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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

C21B13/023wherein iron or steel is obtained in a molten state

Industries

Patents Grantslast 30 patents

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
Classified reduction gasification iron smelting process of iron ore...
- Patent number 10,801,081
- Issue date Oct 13, 2020
- CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
- Yuanyu Tian
- C21 - METALLURGY OF IRON
Information Patent Grant
Shaft furnace and method of operating same
- Patent number 9,797,023
- Issue date Oct 24, 2017
- Grede LLC
- Bill Connors
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and device for introducing fine particle-shaped material int...
- Patent number 9,512,496
- Issue date Dec 6, 2016
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Franz Hauzenberger
- C21 - METALLURGY OF IRON
Information Patent Grant
Starting a smelting process
- Patent number 9,458,518
- Issue date Oct 4, 2016
- Technological Resources Pty, Limited
- Jacques Pilote
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and device for reducing iron-oxide-containing feedstocks in...
- Patent number 9,255,302
- Issue date Feb 9, 2016
- Siemens Vai Metals Technologies GmbH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing granular metallic iron
- Patent number 9,180,521
- Issue date Nov 10, 2015
- Kobe Steel, Ltd.
- Ryota Misawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Ore treating method, ore treating apparatus, iron manufacturing met...
- Patent number 8,920,536
- Issue date Dec 30, 2014
- Bio Coke Lab. Ltd.
- Tomohiro Akiyama
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for producing agglomerates of finely particulate iron carriers
- Patent number 8,641,799
- Issue date Feb 4, 2014
- Siemens Vai Metals Technologies GmbH
- Christian Boehm
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and device for the continuous production of steel using meta...
- Patent number 8,172,922
- Issue date May 8, 2012
- SMS Siemag Aktiengesellschaft
- Peter Monheim
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and device for the continuous production of steel using meta...
- Patent number 7,897,100
- Issue date Mar 1, 2011
- SMS Siemag Aktiengesellschaft
- Peter Monheim
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for manufacturing molten irons by hot compacting fine dir...
- Patent number 7,858,019
- Issue date Dec 28, 2010
- Posco
- Hoo-Geun Lee
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for manufacturing molten irons by hot compacting fine dir...
- Patent number 7,776,136
- Issue date Aug 17, 2010
- Posco
- Hoo-Geun Lee
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of producing reduced iron compacts in rotary hearth-type red...
- Patent number 6,986,801
- Issue date Jan 17, 2006
- Nippon Steel Corporation
- Tetsuharu Ibaraki
- C21 - METALLURGY OF IRON
Information Patent Grant
Operation method of vertical furnace
- Patent number 6,129,776
- Issue date Oct 10, 2000
- Nippon Steel Corporation
- Masaaki Naito
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and device for melting down of scrap
- Patent number 5,555,259
- Issue date Sep 10, 1996
- Mannesmann Aktiengesellschaft
- Ewald Feuerstacke
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for continuously melting down scrap metal
- Patent number 5,500,032
- Issue date Mar 19, 1996
- Voest-Alpine Industrieanlagenbau GmbH
- Wolfgang Nieder
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for smelting or melting ferrous or non-ferrous metal from s...
- Patent number 5,149,363
- Issue date Sep 22, 1992
- Marcos A. Contrucci
- C21 - METALLURGY OF IRON
Information Patent Grant
Charging material preheater for preheating charging material for a...
- Patent number 4,852,858
- Issue date Aug 1, 1989
- Kortec AG
- Ralph Weber
- C21 - METALLURGY OF IRON
Information Patent Grant
Plant for producing steel from scrap
- Patent number 4,740,989
- Issue date Apr 26, 1988
- Voest-Alpine Aktiengesellschaft
- Othmar Steipe
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for reducing particulate iron oxide to molten...
- Patent number 4,248,408
- Issue date Feb 3, 1981
- Midrex Corporation
- Donald Beggs
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for the production of intermediate hot metal
- Patent number 4,111,687
- Issue date Sep 5, 1978
- Consolidated Natural Gas Service Company, Inc.
- Andrew J. Syska
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for steel production
- Patent number 4,012,226
- Issue date Mar 15, 1977
- Klockner-Werke AG
- Gunther Geck
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for the direct reduction of metal oxides
- Patent number 3,953,196
- Issue date Apr 27, 1976
- Richard F. Obenchain
- C21 - METALLURGY OF IRON
Information Patent Grant
3832158
- Patent number 3,832,158
- Issue date Aug 27, 1974
- C21 - METALLURGY OF IRON
Information Patent Grant
3652069
- Patent number 3,652,069
- Issue date Mar 28, 1972
- C21 - METALLURGY OF IRON
Information Patent Grant
3615351
- Patent number 3,615,351
- Issue date Oct 26, 1971
- C21 - METALLURGY OF IRON
Information Patent Grant
3589698
- Patent number 3,589,698
- Issue date Jun 29, 1971
- C21 - METALLURGY OF IRON
Information Patent Grant
3454395
- Patent number 3,454,395
- Issue date Jul 8, 1969
- C21 - METALLURGY OF IRON
Information Patent Grant
2986458
- Patent number 2,986,458
- Issue date May 30, 1961
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING AN IRON MELT
- Publication number 20240344155
- Publication date Oct 17, 2024
- ThyssenKrupp Steel Europe AG
- Frank AHRENHOLD
- C21 - METALLURGY OF IRON
Information Patent Application
INTEGRATED SYSTEMS EMPLOYING CARBON OXIDE ELECTROLYSIS IN STEEL PRO...
- Publication number 20230175088
- Publication date Jun 8, 2023
- Twelve Benefit Corporation
- Enrique Cintron
- C21 - METALLURGY OF IRON
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
STARTING A SMELTING PROCESS
- Publication number 20140318319
- Publication date Oct 30, 2014
- Jacques Pilote
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING GRANULAR METALLIC IRON
- Publication number 20130098204
- Publication date Apr 25, 2013
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Ryota Misawa
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS FOR PRODUCING AGGLOMERATES OF FINELY PARTICULATE IRON CARRIERS
- Publication number 20110179910
- Publication date Jul 28, 2011
- Christian Boehm
- C21 - METALLURGY OF IRON
Information Patent Application
Method for Operating a Furnace and Device for Carrying out the Method
- Publication number 20110154949
- Publication date Jun 30, 2011
- L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEO...
- Frank Rheker
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD AND DEVICE FOR THE CONTINUOUS PRODUCTION OF STEEL USING META...
- Publication number 20110126672
- Publication date Jun 2, 2011
- SMS Siemag Aktiengesellschaft
- Peter Monheim
- C21 - METALLURGY OF IRON
Information Patent Application
Apparatus for Manufacturing Molten Irons by Hot Compacting Fine Dir...
- Publication number 20100270715
- Publication date Oct 28, 2010
- POSCO
- Hoo-Geun Lee
- B30 - PRESSES
Information Patent Application
ORE TREATING METHOD, ORE TREATING APPARATUS, IRON MANUFACTURING MET...
- Publication number 20100031777
- Publication date Feb 11, 2010
- Tomohiro Akiyama
- C21 - METALLURGY OF IRON
Information Patent Application
Apparatus for manufacturing molten irons by hot compacting fine dir...
- Publication number 20060162499
- Publication date Jul 27, 2006
- Posco
- Hoo-Geun Lee
- B30 - PRESSES
Information Patent Application
Method and device for the continuous production of steel using meta...
- Publication number 20050155457
- Publication date Jul 21, 2005
- Peter Monheim
- C21 - METALLURGY OF IRON
Information Patent Application
Method of producing reduced iron compacts in rotary hearth-type red...
- Publication number 20030089200
- Publication date May 15, 2003
- Tetsuharu Ibaraki
- C21 - METALLURGY OF IRON

wherein iron or steel is obtained in a molten state

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Integration of DR plant and electric DRI melting furnace for produc...

Classified reduction gasification iron smelting process of iron ore...

Shaft furnace and method of operating same

Method and device for introducing fine particle-shaped material int...

Starting a smelting process

Method and device for reducing iron-oxide-containing feedstocks in...

Method for producing granular metallic iron

Ore treating method, ore treating apparatus, iron manufacturing met...

Process for producing agglomerates of finely particulate iron carriers

Method and device for the continuous production of steel using meta...

Method and device for the continuous production of steel using meta...

Apparatus for manufacturing molten irons by hot compacting fine dir...

Apparatus for manufacturing molten irons by hot compacting fine dir...

Method of producing reduced iron compacts in rotary hearth-type red...

Operation method of vertical furnace

Process and device for melting down of scrap

Method for continuously melting down scrap metal

Process for smelting or melting ferrous or non-ferrous metal from s...

Charging material preheater for preheating charging material for a...

Plant for producing steel from scrap

Method and apparatus for reducing particulate iron oxide to molten...

Process for the production of intermediate hot metal

Process for steel production

Process for the direct reduction of metal oxides

3832158

3652069

3615351

3589698

3454395

2986458

Patents Applicationslast 30 patents

METHOD FOR PRODUCING AN IRON MELT

INTEGRATED SYSTEMS EMPLOYING CARBON OXIDE ELECTROLYSIS IN STEEL PRO...

INTEGRATION OF DR PLANT AND ELECTRIC DRI MELTING FURNACE FOR PRODUC...

STARTING A SMELTING PROCESS

METHOD FOR PRODUCING GRANULAR METALLIC IRON

PROCESS FOR PRODUCING AGGLOMERATES OF FINELY PARTICULATE IRON CARRIERS

Method for Operating a Furnace and Device for Carrying out the Method

METHOD AND DEVICE FOR THE CONTINUOUS PRODUCTION OF STEEL USING META...

Apparatus for Manufacturing Molten Irons by Hot Compacting Fine Dir...

ORE TREATING METHOD, ORE TREATING APPARATUS, IRON MANUFACTURING MET...

Apparatus for manufacturing molten irons by hot compacting fine dir...

Method and device for the continuous production of steel using meta...

Method of producing reduced iron compacts in rotary hearth-type red...