in rotary furnaces

Industry

CPC
C21B13/08

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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

C21B13/08in rotary furnaces

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Oxide ore smelting method
- Patent number 11,608,543
- Issue date Mar 21, 2023
- Sumitomo Metal Mining Co., Ltd.
- Takashi Iseki
- C21 - METALLURGY OF IRON
Information Patent Grant
Rotary bed-type electric furnace
- Patent number 10,746,467
- Issue date Aug 18, 2020
- Outotec (Finland) Oy
- Jari Halkola
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Method for smelting nickel oxide ore
- Patent number 10,072,313
- Issue date Sep 11, 2018
- Sumitomo Metal Mining Co., Ltd.
- Junichi Takahashi
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and plant for producing char and fuel gas
- Patent number 9,371,487
- Issue date Jun 21, 2016
- Outotec Oyj
- Andreas Orth
- C21 - METALLURGY OF IRON
Information Patent Grant
Processed DRI material
- Patent number 9,238,253
- Issue date Jan 19, 2016
- Nu-Iron Technology LLC
- Gary M. Levanduski
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and plant for producing char and fuel gas
- Patent number 9,175,226
- Issue date Nov 3, 2015
- Outotec Oyj
- Andreas Orth
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for the commercial production of iron
- Patent number 9,150,939
- Issue date Oct 6, 2015
- Iron Mineral Beneficiation Services (Proprietary) Limited
- Gerard Pretorius
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for the commercial production of iron
- Patent number 8,613,787
- Issue date Dec 24, 2013
- Iron Mineral Beneficiation Services (Proprietary) Limited
- Gerard Pretorius
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for reducing iron oxide and producing syngas
- Patent number 8,540,794
- Issue date Sep 24, 2013
- Jiann-Yang Hwang
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing hot briquette iron using high-temperature redu...
- Patent number 8,088,194
- Issue date Jan 3, 2012
- Kobe Steel, Ltd.
- Hirofumi Tsutsumi
- C21 - METALLURGY OF IRON
Information Patent Grant
Thermal treatment of the precursor material of a catalytically acti...
- Patent number 7,589,046
- Issue date Sep 15, 2009
- BASF Aktiengesellschaft
- Martin Dieterle
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus and process for treating a particulate material within a...
- Patent number 6,773,521
- Issue date Aug 10, 2004
- Kemp Development Corporation
- Willard E. Kemp
- C21 - METALLURGY OF IRON
Information Patent Grant
Direct iron and steelmaking
- Patent number 6,652,802
- Issue date Nov 25, 2003
- William Lyon Sherwood
- C21 - METALLURGY OF IRON
Information Patent Grant
Continuous metal melting apparatus
- Patent number 6,630,099
- Issue date Oct 7, 2003
- William Lyon Sherwood
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of manufacturing molten metal iron
- Patent number 6,569,223
- Issue date May 27, 2003
- Midrex International B.V. Zurich Branch
- Yasuhiro Tanigaki
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of utilizing secondary raw materials containing iron, zinc a...
- Patent number 6,494,933
- Issue date Dec 17, 2002
- B. U. S. Zinkrecycling Freiberg GmbH
- Eberhard Saage
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for melting ashes, slags or glass
- Patent number 6,432,162
- Issue date Aug 13, 2002
- Asea Brown Boveri AG
- Hans Ruegg
- C21 - METALLURGY OF IRON
Information Patent Grant
Direct iron and steelmaking
- Patent number 6,383,251
- Issue date May 7, 2002
- William Lyon Sherwood
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus and process for treating a particulate material within a...
- Patent number 6,379,610
- Issue date Apr 30, 2002
- Willard E. Kemp
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Continuous metal melting process
- Patent number 6,273,932
- Issue date Aug 14, 2001
- William Lyon Sherwood
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for treating metal oxide fines
- Patent number 6,270,551
- Issue date Aug 7, 2001
- Maumee Research & Engineering, Inc.
- Franklin G. Rinker
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and apparatus for melting metal
- Patent number 6,221,123
- Issue date Apr 24, 2001
- Donsco Incorporated
- Arthur K. Mann
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of pyroprocessing mineral ore material for reducing combusti...
- Patent number 6,221,127
- Issue date Apr 24, 2001
- Svedala Industries, Inc.
- David W. Rierson
- C21 - METALLURGY OF IRON
Information Patent Grant
Reducing iron oxides in rotary hearth furnace
- Patent number 6,146,441
- Issue date Nov 14, 2000
- Technological Resources Pty. Ltd.
- John Alexander Innes
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for treating a particulate material within a rotating retort
- Patent number 5,958,156
- Issue date Sep 28, 1999
- Kemp Development Corporation
- Willard E. Kemp
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for treating iron bearing material
- Patent number 5,873,925
- Issue date Feb 23, 1999
- Maumee Research & Engineering, Inc.
- Franklin G. Rinker
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for treating metal oxide fines
- Patent number 5,865,875
- Issue date Feb 2, 1999
- Maumee Research & Engineering, Inc.
- Franklin G. Rinker
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for treating iron bearing material
- Patent number 5,782,957
- Issue date Jul 21, 1998
- Maumee Research & Engineering, Inc.
- Franklin G. Rinker
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for fluidizing particulate material within a rotatable retort
- Patent number 5,766,544
- Issue date Jun 16, 1998
- Kemp Development Corporation
- Willard E. Kemp
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Apparatus for treating a particulate material within a rotating retort
- Patent number 5,759,483
- Issue date Jun 2, 1998
- Kemp Development Corporation
- Willard E. Kemp
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Pyrometallurgical Method for Recycling Shredded Material of Waste f...
- Publication number 20240191316
- Publication date Jun 13, 2024
- ECO'RING
- Jean-Luc Roth
- C21 - METALLURGY OF IRON
Information Patent Application
DIRECT REDUCTION OF IRON BY HYDROGEN PLASMA IN A ROTARY KILN REACTOR
- Publication number 20240110254
- Publication date Apr 4, 2024
- UChicago Argonne, LLC
- Zuotao Zeng
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD AND APPARATUS FOR MANUFACTURING STEEL USING ROTARY GENERATED...
- Publication number 20230121974
- Publication date Apr 20, 2023
- COOLBROOK OY
- Veli Matti Purola
- C21 - METALLURGY OF IRON
Information Patent Application
SYSTEM FOR PROCESSING RED MUD AND METHOD OF PROCESSING RED MUD
- Publication number 20210079488
- Publication date Mar 18, 2021
- RED MUD ENTERPRISES LLC
- Gary McNeish
- C21 - METALLURGY OF IRON
Information Patent Application
ROTARY BED-TYPE ELECTRIC FURNACE
- Publication number 20200158434
- Publication date May 21, 2020
- OUTOTEC (FINLAND) OY
- Jari HALKOLA
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PROCESSING STEELMAKING DUST, METHOD FOR PRODUCING ZINC,...
- Publication number 20190106767
- Publication date Apr 11, 2019
- TOHOKU UNIVERSITY
- Tetsuya NAGASAKA
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR SMELTING NICKEL OXIDE ORE
- Publication number 20170342514
- Publication date Nov 30, 2017
- Junichi Takahashi
- C21 - METALLURGY OF IRON
Information Patent Application
Environmentally friendly system and method for manufacturing iron p...
- Publication number 20140093445
- Publication date Apr 3, 2014
- Carla D. Di Luca
- C21 - METALLURGY OF IRON
Information Patent Application
Method for the Commercial Production of Iron
- Publication number 20140033869
- Publication date Feb 6, 2014
- IRON MINERAL BENEFICIATION SERVICES (PROPRIETARY) LIMITED
- Gerard Pretorius
- C21 - METALLURGY OF IRON
Information Patent Application
Method for Manufacturing an Austenitic Stainless Steel from a Nicke...
- Publication number 20140000834
- Publication date Jan 2, 2014
- Wen-Chien Hsu
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS AND PLANT FOR PRODUCING CHAR AND FUEL GAS
- Publication number 20130264753
- Publication date Oct 10, 2013
- Andreas ORTH
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESSED DRI MATERIAL
- Publication number 20130230720
- Publication date Sep 5, 2013
- NU-IRON TECHNOLOGY, LLC
- Gary M. Levanduski
- 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
PROCESS AND PLANT FOR PRODUCING CHAR AND FUEL GAS
- Publication number 20100263487
- Publication date Oct 21, 2010
- OUTOTEC OYJ
- Andreas Orth
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING HOT BRIQUETTE IRON USING HIGH-TEMPERATURE REDU...
- Publication number 20100224028
- Publication date Sep 9, 2010
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Hirofumi Tsutsumi
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR THE COMMERCIAL PRODUCTION OF IRON
- Publication number 20090260483
- Publication date Oct 22, 2009
- Iron Mineral Benefication Ser4vices (Proprietary) Limited
- Gerard Pretorius
- C21 - METALLURGY OF IRON
Information Patent Application
Process for the production of steel using a locally produced hydrog...
- Publication number 20090249922
- Publication date Oct 8, 2009
- Bristlecone International, LLC
- Tadeusz Adrian Soyland
- C21 - METALLURGY OF IRON
Information Patent Application
Microwave heating method and apparatus for iron oxide reduction
- Publication number 20080087135
- Publication date Apr 17, 2008
- Jiann-Yang Hwang
- C21 - METALLURGY OF IRON
Information Patent Application
Method and burner apparatus for injecting a pulverized coal into ro...
- Publication number 20060169181
- Publication date Aug 3, 2006
- POSCO
- Jong-Og Youn
- C21 - METALLURGY OF IRON
Information Patent Application
Thermal treatment of the precursor material of a catalytically acti...
- Publication number 20040245681
- Publication date Dec 9, 2004
- BASF Aktiengesellschaft
- Martin Dieterle
- C21 - METALLURGY OF IRON
Information Patent Application
Production and shaping of steel and steel alloys
- Publication number 20020162418
- Publication date Nov 7, 2002
- Ghulam Nabi
- C21 - METALLURGY OF IRON
Information Patent Application
Direct iron and steelmaking
- Publication number 20020130448
- Publication date Sep 19, 2002
- William Lyon Sherwood
- C21 - METALLURGY OF IRON
Information Patent Application
Apparatus and process for treating a particulate material within a...
- Publication number 20020112792
- Publication date Aug 22, 2002
- Willard E. Kemp
- C21 - METALLURGY OF IRON
Information Patent Application
Method of manufacturing molten metal iron
- Publication number 20010025549
- Publication date Oct 4, 2001
- MIDREX INTERNATIONAL B.V. Zurich Branch
- Yasuhiro Tanigaki
- C21 - METALLURGY OF IRON
Information Patent Application
Continuous metal melting apparatus
- Publication number 20010006012
- Publication date Jul 5, 2001
- William Lyon Sherwood
- C21 - METALLURGY OF IRON

in rotary furnaces

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Oxide ore smelting method

Rotary bed-type electric furnace

Method for smelting nickel oxide ore

Process and plant for producing char and fuel gas

Processed DRI material

Process and plant for producing char and fuel gas

Method for the commercial production of iron

Method for the commercial production of iron

Method for reducing iron oxide and producing syngas

Method for producing hot briquette iron using high-temperature redu...

Thermal treatment of the precursor material of a catalytically acti...

Apparatus and process for treating a particulate material within a...

Direct iron and steelmaking

Continuous metal melting apparatus

Method of manufacturing molten metal iron

Method of utilizing secondary raw materials containing iron, zinc a...

Process for melting ashes, slags or glass

Direct iron and steelmaking

Apparatus and process for treating a particulate material within a...

Continuous metal melting process

Process for treating metal oxide fines

Process and apparatus for melting metal

Method of pyroprocessing mineral ore material for reducing combusti...

Reducing iron oxides in rotary hearth furnace

Process for treating a particulate material within a rotating retort

Process for treating iron bearing material

Process for treating metal oxide fines

Process for treating iron bearing material

Process for fluidizing particulate material within a rotatable retort

Apparatus for treating a particulate material within a rotating retort

Patents Applicationslast 30 patents

Pyrometallurgical Method for Recycling Shredded Material of Waste f...

DIRECT REDUCTION OF IRON BY HYDROGEN PLASMA IN A ROTARY KILN REACTOR

METHOD AND APPARATUS FOR MANUFACTURING STEEL USING ROTARY GENERATED...

SYSTEM FOR PROCESSING RED MUD AND METHOD OF PROCESSING RED MUD

ROTARY BED-TYPE ELECTRIC FURNACE

METHOD FOR PROCESSING STEELMAKING DUST, METHOD FOR PRODUCING ZINC,...

METHOD FOR SMELTING NICKEL OXIDE ORE

Environmentally friendly system and method for manufacturing iron p...

Method for the Commercial Production of Iron

Method for Manufacturing an Austenitic Stainless Steel from a Nicke...

PROCESS AND PLANT FOR PRODUCING CHAR AND FUEL GAS

PROCESSED DRI MATERIAL

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

PROCESS AND PLANT FOR PRODUCING CHAR AND FUEL GAS

METHOD FOR PRODUCING HOT BRIQUETTE IRON USING HIGH-TEMPERATURE REDU...

METHOD FOR THE COMMERCIAL PRODUCTION OF IRON

Process for the production of steel using a locally produced hydrog...

Microwave heating method and apparatus for iron oxide reduction

Method and burner apparatus for injecting a pulverized coal into ro...

Thermal treatment of the precursor material of a catalytically acti...

Production and shaping of steel and steel alloys

Direct iron and steelmaking

Apparatus and process for treating a particulate material within a...

Method of manufacturing molten metal iron

Continuous metal melting apparatus