Making pig-iron other than in blast furnaces

Industry

CPC
C21B11/00

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Industries

Patents Grantslast 30 patents

Information Patent Grant
Production of iron
- Patent number 11,959,153
- Issue date Apr 16, 2024
- Technological Resources Pty. Limited
- Michael Buckley
- C21 - METALLURGY OF IRON
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
Systems and methods for steel production
- Patent number 11,788,158
- Issue date Oct 17, 2023
- PATHFINDER HOLDINGS CORP.
- James Maurice Small
- 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
Electric furnace and method for melting and reducing iron oxide-con...
- Patent number 11,536,514
- Issue date Dec 27, 2022
- Nippon Steel Corporation
- Takahiro Taguchi
- C21 - METALLURGY OF IRON
Information Patent Grant
Production of iron
- Patent number 11,479,829
- Issue date Oct 25, 2022
- Technological Resources Pty. Limited
- Michael Buckley
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for the production of cast iron, cast iron pro...
- Patent number 11,421,289
- Issue date Aug 23, 2022
- Francesco Memoli
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for off-gas composition control in a metal smelting apparatus
- Patent number 11,390,926
- Issue date Jul 19, 2022
- TATA STEEL NEDERLAND TECHNOLOGY BV
- Johannes Hage
- C21 - METALLURGY OF IRON
Information Patent Grant
Convertible metallurgical furnace and modular metallurgical plant c...
- Patent number 11,391,515
- Issue date Jul 19, 2022
- Tenova S.p.A.
- Silvio Maria Reali
- 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
Method for ironmaking by smelting reduction in stir-generated vortex
- Patent number 11,091,816
- Issue date Aug 17, 2021
- Northeastern University
- Ting an Zhang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for the production of cast iron, cast iron pro...
- Patent number 10,995,379
- Issue date May 4, 2021
- Francesco Memoli
- B22 - CASTING POWDER METALLURGY
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
Flash ironmaking system and method
- Patent number 10,851,430
- Issue date Dec 1, 2020
- BEIJING SHANTIE TECHNOLOGY CO., LTD.
- Shuhua Deng
- C21 - METALLURGY OF IRON
Information Patent Grant
Coated iron ore pellets and a process of making and reducing the sa...
- Patent number 10,550,445
- Issue date Feb 4, 2020
- SABIC GLOBAL TECHNOLOGIES B.V.
- Mohamed Bahgat Saddik
- C21 - METALLURGY OF IRON
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
Production method of granular metallic iron
- Patent number 10,407,744
- Issue date Sep 10, 2019
- Kobe Steel, Ltd.
- Shorin O
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for converting and separating vanadium, titanium, and iron f...
- Patent number 10,316,392
- Issue date Jun 11, 2019
- Institute of Process Engineering, Chinese Academy of Sciences
- Tao Qi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Direct smelting process
- Patent number 10,280,489
- Issue date May 7, 2019
- Tata Steel Limited
- Rodney James Dry
- C21 - METALLURGY OF IRON
Information Patent Grant
Device for producing partially reduced iron
- Patent number 10,155,997
- Issue date Dec 18, 2018
- PRIMETALS TECHNOLOGIES JAPAN, LTD.
- Susumu Kamikawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for manufacturing reduced iron agglomerates
- Patent number 10,144,981
- Issue date Dec 4, 2018
- Kobe Steel, Ltd.
- Shoichi Kikuchi
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for recovering rare earth element
- Patent number 10,023,938
- Issue date Jul 17, 2018
- Hitachi Metals, Ltd.
- Hiroyuki Hoshi
- C21 - METALLURGY OF IRON
Information Patent Grant
Direct smelting process
- Patent number 10,023,945
- Issue date Jul 17, 2018
- Tata Steel Limited
- Rodney James Dry
- 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
Method for producing pellets and method for producing iron-nickel a...
- Patent number 9,938,604
- Issue date Apr 10, 2018
- Sumitomo Metal Mining Co., Ltd.
- Junichi Takahashi
- 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
Starting a smelting process
- Patent number 9,771,626
- Issue date Sep 26, 2017
- Technological Resources Pty. Limited
- Carolyn McCarthy
- C21 - METALLURGY OF IRON
Information Patent Grant
Starting a smelting process
- Patent number 9,551,044
- Issue date Jan 24, 2017
- Technological Resources Pty. Limited
- Rodney James Dry
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
AGGLOMERATED STONE FOR USE IN AN ELECTRIC FURNACE
- Publication number 20240102119
- Publication date Mar 28, 2024
- ThyssenKrupp Steel Europe AG
- Ronald ERDMANN
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
METHOD OF PRODUCING MOLTEN IRON USING ELECTRIC FURNACE INCLUDING VI...
- Publication number 20240085110
- Publication date Mar 14, 2024
- JFE STEEL CORPORATION
- Koichi TSUTSUMI
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING MOLTEN IRON USING ELECTRIC FURNACE
- Publication number 20240035102
- Publication date Feb 1, 2024
- JFE STEEL CORPORATION
- Yoshihiro MIWA
- C21 - METALLURGY OF IRON
Information Patent Application
SYSTEMS AND METHODS FOR STEEL PRODUCTION
- Publication number 20230416854
- Publication date Dec 28, 2023
- Pathfinder Holdings Corp.
- James Maurice Small
- C21 - METALLURGY OF IRON
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
SYSTEMS AND METHODS FOR STEEL PRODUCTION
- Publication number 20230257838
- Publication date Aug 17, 2023
- Pathfinder Holdings Corp.
- James Maurice Small
- C21 - METALLURGY OF IRON
Information Patent Application
Production of Iron
- Publication number 20230002852
- Publication date Jan 5, 2023
- TECHNOLOGICAL RESOURCES PTY. LIMITED
- Michael Buckley
- C21 - METALLURGY OF IRON
Information Patent Application
Production of Iron
- Publication number 20230002853
- Publication date Jan 5, 2023
- TECHNOLOGICAL RESOURCES PTY. LIMITED
- Michael Buckley
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING MOLTEN STEEL
- Publication number 20220389527
- Publication date Dec 8, 2022
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Koji TOKUDA
- C21 - METALLURGY OF IRON
Information Patent Application
DIRECT REDUCED IRON SYSTEM AND METHOD USING SYNTHETIC COMBUSTION AIR
- Publication number 20220372587
- Publication date Nov 24, 2022
- Nucor Corporation
- Mirmohammadyousef Motamedhashemi
- C21 - METALLURGY OF IRON
Information Patent Application
ELECTROLYTIC SMELTING SYSTEM
- Publication number 20220243293
- Publication date Aug 4, 2022
- Mitsubishi Heavy Industries, Ltd.
- Takashi NAKANO
- 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
Method and apparatus for the production of cast iron, cast iron pro...
- Publication number 20210214812
- Publication date Jul 15, 2021
- TENOVA S.P.A.
- Francesco Memoli
- B22 - CASTING POWDER METALLURGY
Information Patent Application
ELECTRIC FURNACE AND METHOD FOR MELTING AND REDUCING IRON OXIDE-CON...
- Publication number 20210190427
- Publication date Jun 24, 2021
- NIPPON STEEL CORPORATION
- Takahiro TAGUCHI
- 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
METHOD FOR OFF-GAS COMPOSITION CONTROL IN A METAL SMELTING APPARATUS
- Publication number 20210040572
- Publication date Feb 11, 2021
- TATA STEEL NEDERLAND TECHNOLOGY BV
- Johannes HAGE
- C21 - METALLURGY OF IRON
Information Patent Application
OXYGEN-ENRICHED BURNER AND METHOD FOR HEATING USING OXYGEN-ENRICHED...
- Publication number 20200363059
- Publication date Nov 19, 2020
- Taiyo Nippon Sanso Corporation
- Takeshi SAITO
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
FOAMY SLAG CONDITIONER COMPOUND
- Publication number 20200199696
- Publication date Jun 25, 2020
- Hickman, Williams & Company
- John F. Jennings
- C21 - METALLURGY OF IRON
Information Patent Application
CONVERTIBLE METALLURGICAL FURNACE AND MODULAR METALLURGICAL PLANT C...
- Publication number 20200018550
- Publication date Jan 16, 2020
- TENOVA S.P.A.
- Silvio Maria REALI
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR IRONMAKING BY SMELTING REDUCTION IN STIR-GENERATED VORTEX
- Publication number 20190230746
- Publication date Jul 25, 2019
- Northeastern University
- Ting an ZHANG
- C21 - METALLURGY OF IRON
Information Patent Application
SMELTING METHOD FOR METALLURGICAL ELECTRIC-FURNACE
- Publication number 20190161816
- Publication date May 30, 2019
- BEIJING ZHONGKAIHONGDE TECHNOLOGY CO., LTD.
- John Tung CHAO
- C21 - METALLURGY OF IRON
Information Patent Application
ELECTRIC ARC FURNACE DUST AS COATING MATERIAL FOR IRON ORE PELLETS...
- Publication number 20180320246
- Publication date Nov 8, 2018
- SABIC Global Technologies B.V.
- Hamad S. AL-TASSAN
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD AND APPARATUS FOR TREATING IRON-CONTAINED RAW MATERIAL USING...
- Publication number 20180087120
- Publication date Mar 29, 2018
- INSTITUTE OF PROCESS ENGINEERING, CHINESE ACADEMY OF SCIENCES
- Tao Qi
- 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
METHOD OF PRODUCTION AND APPARATUS FOR PRODUCTION OF REDUCED IRON
- Publication number 20170335416
- Publication date Nov 23, 2017
- Tetsugen Corporation
- Seita Uekawa
- 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
System and Method for Forming Spherical Silica-Based Proppant and P...
- Publication number 20170145527
- Publication date May 25, 2017
- Premier Industries, LLC
- Richard Tabish
- C21 - METALLURGY OF IRON
Information Patent Application
Direct Smelting Process
- Publication number 20170081745
- Publication date Mar 23, 2017
- TECHNOLOGICAL RESOURCES PTY. LIMITED
- Rodney James Dry
- 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

Making pig-iron other than in blast furnaces

Industry

Parent Industries

Current Industry

Sub Industries

Patents Grantslast 30 patents

Production of iron

Direct reduction process utilizing hydrogen

Oxygen injection for reformer feed gas for direct reduction process

Systems and methods for steel production

Method for operating a metallurgical furnace

Electric furnace and method for melting and reducing iron oxide-con...

Production of iron

Method and apparatus for the production of cast iron, cast iron pro...

Method for off-gas composition control in a metal smelting apparatus

Convertible metallurgical furnace and modular metallurgical plant c...

Method for producing rock wool and recoverable cast iron

Method for ironmaking by smelting reduction in stir-generated vortex

Method and apparatus for the production of cast iron, cast iron pro...

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

Flash ironmaking system and method

Coated iron ore pellets and a process of making and reducing the sa...

Metallurgical furnace for producing metallic alloys

Production method of granular metallic iron

Method for converting and separating vanadium, titanium, and iron f...

Direct smelting process

Device for producing partially reduced iron

Process for manufacturing reduced iron agglomerates

Method for recovering rare earth element

Direct smelting process

Direct smelting process

Metallurgical furnace

Method for producing pellets and method for producing iron-nickel a...

Shaft furnace and method of operating same

Starting a smelting process

Starting a smelting process

Patents Applicationslast 30 patents

AGGLOMERATED STONE FOR USE IN AN ELECTRIC FURNACE

METHOD OF PRODUCING MOLTEN IRON USING ELECTRIC FURNACE INCLUDING VI...

METHOD FOR PRODUCING MOLTEN IRON USING ELECTRIC FURNACE

SYSTEMS AND METHODS FOR STEEL PRODUCTION

PROCESS FOR PRODUCING RAW STEEL AND AGGREGATE FOR PRODUCTION THEREOF

SYSTEMS AND METHODS FOR STEEL PRODUCTION

Production of Iron

Production of Iron

METHOD FOR PRODUCING MOLTEN STEEL

DIRECT REDUCED IRON SYSTEM AND METHOD USING SYNTHETIC COMBUSTION AIR

ELECTROLYTIC SMELTING SYSTEM

METHOD FOR OPERATING A METALLURGICAL FURNACE

Oxygen Injection For Reformer Feed Gas For Direct Reduction Process

Method and apparatus for the production of cast iron, cast iron pro...

ELECTRIC FURNACE AND METHOD FOR MELTING AND REDUCING IRON OXIDE-CON...

DIRECT REDUCTION PROCESS UTILIZING HYDROGEN

METHOD FOR OFF-GAS COMPOSITION CONTROL IN A METAL SMELTING APPARATUS

OXYGEN-ENRICHED BURNER AND METHOD FOR HEATING USING OXYGEN-ENRICHED...

FOAMY SLAG CONDITIONER COMPOUND

CONVERTIBLE METALLURGICAL FURNACE AND MODULAR METALLURGICAL PLANT C...

METHOD FOR IRONMAKING BY SMELTING REDUCTION IN STIR-GENERATED VORTEX

SMELTING METHOD FOR METALLURGICAL ELECTRIC-FURNACE

ELECTRIC ARC FURNACE DUST AS COATING MATERIAL FOR IRON ORE PELLETS...

METHOD AND APPARATUS FOR TREATING IRON-CONTAINED RAW MATERIAL USING...

METALLURGICAL FURNACE FOR PRODUCING METALLIC ALLOYS

METHOD OF PRODUCTION AND APPARATUS FOR PRODUCTION OF REDUCED IRON

OXYGEN BOOSTING AND NATURAL GAS REPLACEMENT OF COKE IN CUPOLAS

System and Method for Forming Spherical Silica-Based Proppant and P...

Direct Smelting Process

METALLURGICAL FURNACE