in low shaft furnaces or shaft furnaces

Industry

CPC
C21B11/02

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Parent Industries

CCHEMISTRY METALLURGY C21Iron metallurgy C21BMANUFACTURE OF IRON OR STEEL C21B11/00Making pig-iron other than in blast furnaces

Current Industry

C21B11/02in low shaft furnaces or shaft furnaces

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Direct reduction process utilizing hydrogen
- Patent number 11,952,638
- Issue date Apr 9, 2024
- Midrex Technologies, Inc.
- Keith Marshall Bastow-Cox
- C21 - METALLURGY OF IRON
Information Patent Grant
Oxygen injection for reformer feed gas for direct reduction process
- Patent number 11,920,204
- Issue date Mar 5, 2024
- Midrex Technologies, Inc.
- Haruyasu Michishita
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for operating a metallurgical furnace
- Patent number 11,591,662
- Issue date Feb 28, 2023
- Paul Wurth S.A.
- Cristiano Castagnola
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing rock wool and recoverable cast iron
- Patent number 11,254,599
- Issue date Feb 22, 2022
- ECO'RING
- Bruno Sokoloff
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Device for determining the topography of the burden surface in a sh...
- Patent number 10,877,144
- Issue date Dec 29, 2020
- TMT-Tapping Measuring Technology SARL
- Hans-Uwe Morgenstern
- G01 - MEASURING TESTING
Information Patent Grant
Metallurgical furnace for producing metallic alloys
- Patent number 10,488,111
- Issue date Nov 26, 2019
- Tecnored Desenvolvimento Tecnologico S.A.
- Hermes Joaquim Ferreira Filho
- C21 - METALLURGY OF IRON
Information Patent Grant
Direct smelting process
- Patent number 10,000,821
- Issue date Jun 19, 2018
- Tata Steel Limited
- Rodney James Dry
- C21 - METALLURGY OF IRON
Information Patent Grant
Metallurgical furnace
- Patent number 9,951,992
- Issue date Apr 24, 2018
- Tecnored Desenvolvimento Tecnologico S.A.
- Hermes Joaquim Ferreira Filho
- 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
Process for producing direct reduced iron (DRI) utilizing gases der...
- Patent number 9,546,409
- Issue date Jan 17, 2017
- HYL TECHNOLOGIES, S.A. DE C.V.
- Eugenio Zendejas-Martinez
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for direct reduction of iron oxide
- Patent number 9,273,368
- Issue date Mar 1, 2016
- Hatch Ltd.
- Iakov M. Gordon
- C21 - METALLURGY OF IRON
Information Patent Grant
System and method for reducing iron oxide to metallic iron using co...
- Patent number 9,028,585
- Issue date May 12, 2015
- Midrex Technologies, Inc.
- Gary E. Metius
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for operating a shaft furnace, and shaft furnace operable by...
- Patent number 8,444,910
- Issue date May 21, 2013
- Thyssenkrupp At.Pro Tec GmbH
- Gerd König
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for supersonically injecting oxygen into a furnace
- Patent number 8,317,897
- Issue date Nov 27, 2012
- L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
- Philippe Beaudoin
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for operating a shaft furnace, and shaft furnance operable b...
- Patent number 8,173,064
- Issue date May 8, 2012
- Thyssenkrupp At.Pro Tec GmbH
- Gerd König
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing mineral wool
- Patent number 8,127,574
- Issue date Mar 6, 2012
- Linde Aktiengesellschaft
- Thomas Niehoff
- C21 - METALLURGY OF IRON
Information Patent Grant
Melting starting material in a cupola furnace
- Patent number 8,071,013
- Issue date Dec 6, 2011
- Thomas Niehoff
- C21 - METALLURGY OF IRON
Information Patent Grant
Vertical shaft melting furnace
- Patent number 7,473,297
- Issue date Jan 6, 2009
- Fives North American Combustion, Inc.
- John R. Hugens, Jr.
- C21 - METALLURGY OF IRON
Information Patent Grant
Metallurgical reactor for the production of cast iron
- Patent number 7,455,810
- Issue date Nov 25, 2008
- SMS Demag S.p.A.
- Piergiorgio Fontana
- C21 - METALLURGY OF IRON
Information Patent Grant
Vertical shaft melting furnace
- Patent number 7,282,172
- Issue date Oct 16, 2007
- North American Manufacturing Company
- John R. Hugens, Jr.
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for recovery of metals having low vaporization temperature
- Patent number 6,517,603
- Issue date Feb 11, 2003
- Startec Iron LLC
- Marcos de Albuquerque Contrucci
- 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
Scrap melting process
- Patent number 6,053,962
- Issue date Apr 25, 2000
- NKK Corporation
- Tatsuro Ariyama
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for producing pig iron by smelting reduction a...
- Patent number 5,989,307
- Issue date Nov 23, 1999
- Hoogovens Staal B.V.
- Huibert W. den Hartog
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of melting tinned iron scrap
- Patent number 5,902,375
- Issue date May 11, 1999
- Sumitomo Metal Industries, Ltd.
- Hiroaki Ishida
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for producing pig iron by smelting reduction a...
- Patent number 5,827,473
- Issue date Oct 27, 1998
- Hoogovens Staal B.V.
- Huibert W. den Hartog
- C21 - METALLURGY OF IRON
Information Patent Grant
Scrap melting method
- Patent number 5,698,010
- Issue date Dec 16, 1997
- NKK Corporation
- Tatsuro Ariyama
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for agglomerating pre-reduced hot iron ore particles to prod...
- Patent number 5,698,009
- Issue date Dec 16, 1997
- Pohang Iron & Steel Co., Ltd.
- Dong Joon Min
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and device for melting iron metallurgical materials in a co...
- Patent number 5,632,953
- Issue date May 27, 1997
- Feustel; Hans U.
- Hans U. Feustel
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for injecting liquid oxygen
- Patent number 5,522,916
- Issue date Jun 4, 1996
- L'Air Liquids, Societe Anonyme pour L'Etude et L'Exploitation des Procedes Ge...
- Pierre Karinthi
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PRODUCING RAW STEEL AND AGGREGATE FOR PRODUCTION THEREOF
- Publication number 20230323491
- Publication date Oct 12, 2023
- ThyssenKrupp Steel Europe AG
- Matthias Weinberg
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR OPERATING A METALLURGICAL FURNACE
- Publication number 20220145411
- Publication date May 12, 2022
- PAUL WURTH S.A.
- Cristiano CASTAGNOLA
- C21 - METALLURGY OF IRON
Information Patent Application
Oxygen Injection For Reformer Feed Gas For Direct Reduction Process
- Publication number 20220106651
- Publication date Apr 7, 2022
- MIDREX TECHNOLOGIES, INC.
- Haruyasu MICHISHITA
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Application
DIRECT REDUCTION PROCESS UTILIZING HYDROGEN
- Publication number 20210095354
- Publication date Apr 1, 2021
- MIDREX TECHNOLOGIES, INC.
- Keith Marshall BASTOW-COX
- C21 - METALLURGY OF IRON
Information Patent Application
METALLURGICAL FURNACE FOR PRODUCING METALLIC ALLOYS
- Publication number 20170343285
- Publication date Nov 30, 2017
- Tecnored Desenvolvimento Tecnologico S.A.
- Hermes Joaquim Ferreira Filho
- C21 - METALLURGY OF IRON
Information Patent Application
OXYGEN BOOSTING AND NATURAL GAS REPLACEMENT OF COKE IN CUPOLAS
- Publication number 20170191757
- Publication date Jul 6, 2017
- Reed Heine
- C21 - METALLURGY OF IRON
Information Patent Application
METALLURGICAL FURNACE
- Publication number 20160320125
- Publication date Nov 3, 2016
- Tecnored Desenvolvimento Technologico S.A.
- Hermes Joaquim Ferreira Filho
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS FOR PRODUCING DIRECT REDUCED IRON (DRI) UTILIZING GASES DER...
- Publication number 20140260803
- Publication date Sep 18, 2014
- Danieli & C. Officine Meccaniche, S.P.A
- Eugenio Zendejas-Martinez
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS FOR DIRECT REDUCTION OF IRON OXIDE
- Publication number 20140150607
- Publication date Jun 5, 2014
- HATCH LTD.
- Iakov M. Gordon
- C21 - METALLURGY OF IRON
Information Patent Application
SYSTEM AND METHOD FOR REDUCING IRON OXIDE TO METALLIC IRON USING CO...
- Publication number 20130312571
- Publication date Nov 28, 2013
- MIDREX TECHNOLOGIES, INC.
- Gary E. METIUS
- C21 - METALLURGY OF IRON
Information Patent Application
DIRECT SMELTING PROCESS
- Publication number 20130180361
- Publication date Jul 18, 2013
- Rodney James Dry
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR OPERATING A SHAFT FURNACE, AND SHAFT FURNACE OPERABLE BY...
- Publication number 20120217684
- Publication date Aug 30, 2012
- THYSSENKRUPP AT.PRO TEC GMBH
- Gerd König
- C21 - METALLURGY OF IRON
Information Patent Application
MELTING STARTING MATERIAL IN A CUPOLA FURNACE
- Publication number 20100186552
- Publication date Jul 29, 2010
- Thomas NIEHOFF
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING MINERAL WOOL
- Publication number 20090314035
- Publication date Dec 24, 2009
- Thomas Niehoff
- C21 - METALLURGY OF IRON
Information Patent Application
Method for Supersonically Injecting Oxygen into a Furnace
- Publication number 20080277843
- Publication date Nov 13, 2008
- L'Air Liquide Societe Anonyme Pour L'Etude Et L'Ex
- Philippe Beaudoin
- C21 - METALLURGY OF IRON
Information Patent Application
Method For Operating a Shaft Furnace, and Shaft Furnance Operable B...
- Publication number 20080237944
- Publication date Oct 2, 2008
- ThyssenKrupp AT.PROTEC GmbH
- Gerd Konig
- C21 - METALLURGY OF IRON
Information Patent Application
Vertical Shaft Melting Furnace
- Publication number 20080017085
- Publication date Jan 24, 2008
- John R. Hugens
- C21 - METALLURGY OF IRON
Information Patent Application
Support system for smelting-furnace exhaust-gas stack
- Publication number 20070074644
- Publication date Apr 5, 2007
- OSCHATZ GmbH
- Herbert Huning
- C21 - METALLURGY OF IRON
Information Patent Application
Vertical shaft melting furnace
- Publication number 20050161868
- Publication date Jul 28, 2005
- John R. Hugens
- C21 - METALLURGY OF IRON
Information Patent Application
Metallurgical reactor for the production of cast iron
- Publication number 20040227279
- Publication date Nov 18, 2004
- Piergiorgio Fontana
- C21 - METALLURGY OF IRON
Information Patent Application
Method for recovery of metals having low vaporization temperature
- Publication number 20020134199
- Publication date Sep 26, 2002
- Marcos de Albuquerque Contrucci
- C21 - METALLURGY OF IRON
Information Patent Application
Method of and apparatus for manufacturing the metallic iron
- Publication number 20020005089
- Publication date Jan 17, 2002
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Kazuhiro Nagata
- C21 - METALLURGY OF IRON

in low shaft furnaces or shaft furnaces

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Direct reduction process utilizing hydrogen

Oxygen injection for reformer feed gas for direct reduction process

Method for operating a metallurgical furnace

Method for producing rock wool and recoverable cast iron

Device for determining the topography of the burden surface in a sh...

Metallurgical furnace for producing metallic alloys

Direct smelting process

Metallurgical furnace

Shaft furnace and method of operating same

Process for producing direct reduced iron (DRI) utilizing gases der...

Process for direct reduction of iron oxide

System and method for reducing iron oxide to metallic iron using co...

Method for operating a shaft furnace, and shaft furnace operable by...

Method for supersonically injecting oxygen into a furnace

Method for operating a shaft furnace, and shaft furnance operable b...

Method for producing mineral wool

Melting starting material in a cupola furnace

Vertical shaft melting furnace

Metallurgical reactor for the production of cast iron

Vertical shaft melting furnace

Method for recovery of metals having low vaporization temperature

Operation method of vertical furnace

Scrap melting process

Method and apparatus for producing pig iron by smelting reduction a...

Method of melting tinned iron scrap

Method and apparatus for producing pig iron by smelting reduction a...

Scrap melting method

Method for agglomerating pre-reduced hot iron ore particles to prod...

Process and device for melting iron metallurgical materials in a co...

Method and apparatus for injecting liquid oxygen

Patents Applicationslast 30 patents

PROCESS FOR PRODUCING RAW STEEL AND AGGREGATE FOR PRODUCTION THEREOF

METHOD FOR OPERATING A METALLURGICAL FURNACE

Oxygen Injection For Reformer Feed Gas For Direct Reduction Process

DIRECT REDUCTION PROCESS UTILIZING HYDROGEN

METALLURGICAL FURNACE FOR PRODUCING METALLIC ALLOYS

OXYGEN BOOSTING AND NATURAL GAS REPLACEMENT OF COKE IN CUPOLAS

METALLURGICAL FURNACE

PROCESS FOR PRODUCING DIRECT REDUCED IRON (DRI) UTILIZING GASES DER...

PROCESS FOR DIRECT REDUCTION OF IRON OXIDE

SYSTEM AND METHOD FOR REDUCING IRON OXIDE TO METALLIC IRON USING CO...

DIRECT SMELTING PROCESS

METHOD FOR OPERATING A SHAFT FURNACE, AND SHAFT FURNACE OPERABLE BY...

MELTING STARTING MATERIAL IN A CUPOLA FURNACE

METHOD FOR PRODUCING MINERAL WOOL

Method for Supersonically Injecting Oxygen into a Furnace

Method For Operating a Shaft Furnace, and Shaft Furnance Operable B...

Vertical Shaft Melting Furnace

Support system for smelting-furnace exhaust-gas stack

Vertical shaft melting furnace

Metallurgical reactor for the production of cast iron

Method for recovery of metals having low vaporization temperature

Method of and apparatus for manufacturing the metallic iron