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Refining of pig-iron Cast iron
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CPC
C21C1/00
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Parent Industries
C
CHEMISTRY METALLURGY
C21
Iron metallurgy
C21C
PROCESSING OF PIG-IRON
Current Industry
C21C1/00
Refining of pig-iron Cast iron
Sub Industries
C21C1/02
Dephosphorising or desulfurising
C21C1/025
Agents used for dephosphorising or desulfurising
C21C1/04
Removing impurities other than carbon, phosphorus or sulfur
C21C1/06
Constructional features of mixers for pig-iron
C21C1/08
Manufacture of cast-iron
C21C1/10
Making spheroidal graphite cast-iron
C21C1/105
Nodularising additive agents
Industries
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing an improved ductile iron alloy with pearlitic...
Patent number
12,065,723
Issue date
Aug 20, 2024
Verdeloong Enterprises Pty. Ltd.
Mathew Lagoon
C21 - METALLURGY OF IRON
Information
Patent Grant
Spheroidal graphite cast iron and method of producing spheroidal gr...
Patent number
11,946,109
Issue date
Apr 2, 2024
KABUSHIKI KAISHA RIKEN
Tomoyuki Tobita
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for controlling amount of silicon added to ductile cast iron...
Patent number
11,946,120
Issue date
Apr 2, 2024
TIANRUN INDUSTRY TECHNOLOGY CO., LTD.
Jianchen Cong
C21 - METALLURGY OF IRON
Information
Patent Grant
Cast iron inoculant and method for production of cast iron inoculant
Patent number
11,932,913
Issue date
Mar 19, 2024
Elkem ASA
Emmanuelle Ott
C21 - METALLURGY OF IRON
Information
Patent Grant
Spherical graphite cast iron semi-solid casting method and semi-sol...
Patent number
11,920,205
Issue date
Mar 5, 2024
Masayuki Itamura
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Cast iron inoculant and method for production of cast iron inoculant
Patent number
11,846,000
Issue date
Dec 19, 2023
Elkem ASA
Torbjorn Skaland
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing die-cast product of spherical graphitic cast i...
Patent number
11,845,999
Issue date
Dec 19, 2023
Haruki Itofuji
C21 - METALLURGY OF IRON
Information
Patent Grant
Casting solidification analysis method, casting method, and electro...
Patent number
11,745,258
Issue date
Sep 5, 2023
Haruki Itofuji
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Cast iron inoculant and method for production of cast iron inoculant
Patent number
11,708,618
Issue date
Jul 25, 2023
Elkem ASA
Emmanuelle Ott
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of making steel by deeply dephosphorization in hot metal tan...
Patent number
11,674,192
Issue date
Jun 13, 2023
University of Science and Technology Beijing
Yanling Zhang
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for removing phosphorus from phosphorus-containing substance
Patent number
11,649,514
Issue date
May 16, 2023
JFE Steel Corporation
Kenji Nakase
C21 - METALLURGY OF IRON
Information
Patent Grant
Cast iron inoculant and method for production of cast iron inoculant
Patent number
11,486,012
Issue date
Nov 1, 2022
Elkem ASA
Emmanuelle Ott
C21 - METALLURGY OF IRON
Information
Patent Grant
Cast iron inoculant and method for production of cast iron inoculant
Patent number
11,486,011
Issue date
Nov 1, 2022
Elkem ASA
Oddvar Knustad
C21 - METALLURGY OF IRON
Information
Patent Grant
Cast iron inoculant and method for production of cast iron inoculant
Patent number
11,479,828
Issue date
Oct 25, 2022
Elkem ASA
Emmanuelle Ott
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 recycling used or discarded portable electric batteries
Patent number
11,417,893
Issue date
Aug 16, 2022
FIDAY GESTION
Lionel Picard
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
KR desulfurization stirring paddle casting material and preparation...
Patent number
11,267,764
Issue date
Mar 8, 2022
Baoshan Iron & Steel Co., Ltd.
Jingfu Yao
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method of dechromizing molten iron and method of manufacturing phos...
Patent number
11,254,992
Issue date
Feb 22, 2022
Nippon Steel Corporation
Motohiro Sakamoto
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 producing die-cast product of spheroidal graphite cast i...
Patent number
11,254,993
Issue date
Feb 22, 2022
I2C CO., LTD.
Haruki Itofuji
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Cast iron inoculant and method for production of cast iron inoculant
Patent number
11,098,383
Issue date
Aug 24, 2021
Elkem ASA
Oddvar Knustad
C21 - METALLURGY OF IRON
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
Molten steel desulfurization method, molten steel secondary refinin...
Patent number
11,035,014
Issue date
Jun 15, 2021
JFE Steel Corporation
Satoshi Kinoshiro
G01 - MEASURING TESTING
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
Physical property improvement of iron castings using carbon nanomat...
Patent number
10,844,446
Issue date
Nov 24, 2020
Dresser-Rand Company
Kevin Pickrell
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for dephosphorization of molten metal during a refining pro...
Patent number
10,822,668
Issue date
Nov 3, 2020
S. A. Lhoist Recherche et Developpement
Michael Nispel
C21 - METALLURGY OF IRON
Information
Patent Grant
Ductile iron composition and process of forming a ductile iron comp...
Patent number
10,787,726
Issue date
Sep 29, 2020
General Electric Company
Junyoung Park
C21 - METALLURGY OF IRON
Information
Patent Grant
Gray cast iron inoculant
Patent number
10,767,238
Issue date
Sep 8, 2020
Elkem ASA
Matthew Liptak
C21 - METALLURGY OF IRON
Information
Patent Grant
Ductile iron composition and process of forming a ductile iron comp...
Patent number
10,662,510
Issue date
May 26, 2020
General Electric Company
Junyoung Park
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Gray cast iron inoculant
Patent number
10,612,105
Issue date
Apr 7, 2020
Elkem ASA
Matthew Liptak
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
MOLTEN PIG IRON MANUFACTURING METHOD
Publication number
20240368716
Publication date
Nov 7, 2024
NIPPON STEEL CORPORATION
Toshiya HARADA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR DEPHOSPHORIZATION OF MOLTEN IRON
Publication number
20240229177
Publication date
Jul 11, 2024
JFE STEEL CORPORATION
Futoshi OGASAWARA
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS AND SYSTEM FOR THE PRODUCTION OF IRON NUGGETS
Publication number
20240182993
Publication date
Jun 6, 2024
Carbontec Energy Corporation
John Simmons
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR OPERATING CONVERTER AND METHOD FOR PRODUCING MOLTEN STEEL
Publication number
20240167112
Publication date
May 23, 2024
JFE STEEL CORPORATION
Shota AMANO
C21 - METALLURGY OF IRON
Information
Patent Application
REFINING METHOD OF MOLTEN IRON AND MANUFACTURING METHOD OF MOLTEN S...
Publication number
20240068060
Publication date
Feb 29, 2024
JFE STEEL CORPORATION
Hidemitsu NEGISHI
C21 - METALLURGY OF IRON
Information
Patent Application
CONVERTER STEELMAKING METHOD
Publication number
20240068061
Publication date
Feb 29, 2024
JFE STEEL CORPORATION
Rei YOKOMORI
C21 - METALLURGY OF IRON
Information
Patent Application
MOLTEN IRON REFINING METHOD
Publication number
20240060149
Publication date
Feb 22, 2024
JFE STEEL CORPORATION
Futoshi OGASAWARA
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR TREATING MOLTEN IRON
Publication number
20240052443
Publication date
Feb 15, 2024
FOSECO INTERNATIONAL LIMITED
David HRABINA
C21 - METALLURGY OF IRON
Information
Patent Application
PRODUCTION METHOD FOR NON-ORIENTED SILICON STEEL AND NON-ORIENTED S...
Publication number
20240011121
Publication date
Jan 11, 2024
INSTITUTE OF RESEARCH OF IRON AND STEEL, JIANGSU PROVINCE/SHA-STEEL, CO. LTD...
Chongxiang YUE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
PROCESSES FOR PURIFYING IRON-BEARING MATERIALS
Publication number
20230399710
Publication date
Dec 14, 2023
Michael Andrew GIBSON
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SPHEROIDAL GRAPHITE CAST IRON, CAST ARTICLE AND AUTOMOBILE STRUCTUR...
Publication number
20230392237
Publication date
Dec 7, 2023
Proterial, Ltd.
Lin WANG
C21 - METALLURGY OF IRON
Information
Patent Application
APPARATUS FOR ELECTROREFINING A FERROUS MOLTEN METAL AND METHOD ASS...
Publication number
20230235470
Publication date
Jul 27, 2023
THE GOVERNING COUNCIL OF THE UNIVERSITY OF TORONTO
GISELE AZIMI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MAKING STEEL BY DEEPLY DEPHOSPHORIZATION IN HOT METAL TAN...
Publication number
20230121123
Publication date
Apr 20, 2023
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Yanling ZHANG
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR IRON MAKING BY CONTINUOUS SMELTING REDUCTION
Publication number
20230082269
Publication date
Mar 16, 2023
NORTHEASTERN UNIVERSITY
Tingan ZHANG
C21 - METALLURGY OF IRON
Information
Patent Application
SCROLL COMPRESSOR WITH A COMPRESSION SECTION MADE OF SOLID SOLUTION...
Publication number
20230055808
Publication date
Feb 23, 2023
Danfoss Commercial Compressors
Mickael BRON
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 CURRENT ELECTRIC ARC FURNACE
Publication number
20220389529
Publication date
Dec 8, 2022
Matti HURTTA
C21 - METALLURGY OF IRON
Information
Patent Application
PRODUCTION OF MOLDED BODIES FROM A SILICON ALLOY BY WATER JET CUTTI...
Publication number
20220379436
Publication date
Dec 1, 2022
ASK Chemicals Metallurgy GmbH
Manfred HUBER
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR CONTROLLING AMOUNT OF SILICON ADDED TO DUCTILE CAST IRON...
Publication number
20220325390
Publication date
Oct 13, 2022
TIANRUN INDUSTRY TECHNOLOGY CO., LTD.
Jianchen CONG
C21 - METALLURGY OF IRON
Information
Patent Application
SPHERICAL GRAPHITE CAST IRON SEMI-SOLID CASTING METHOD AND SEMI-SOL...
Publication number
20220275467
Publication date
Sep 1, 2022
Tohoku University
Masayuki ITAMURA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
MOLTEN IRON DEPHOSPHORIZATION METHOD
Publication number
20220259686
Publication date
Aug 18, 2022
JFE STEEL CORPORATION
Yumi MURAKAMI
C21 - METALLURGY OF IRON
Information
Patent Application
CAST IRON, IN PARTICULAR FOR COMPONENTS OF DISC BRAKES
Publication number
20220251691
Publication date
Aug 11, 2022
Brembo S.p.A.
Bozena DUDZIK
C21 - METALLURGY OF IRON
Information
Patent Application
SPHEROIDAL GRAPHITE CAST IRON, CAST ARTICLE AND AUTOMOBILE STRUCTUR...
Publication number
20220243308
Publication date
Aug 4, 2022
Hitachi Metals, Ltd.
Lin WANG
C21 - METALLURGY OF IRON
Information
Patent Application
ADDITIVE FOR TREATING MOLTEN IRON TO PRODUCE CAST IRON WITH ZERO CO...
Publication number
20220243294
Publication date
Aug 4, 2022
Francisco Alfonso LABRADOR RODRIGUEZ
C21 - METALLURGY OF IRON
Information
Patent Application
SPHEROIDAL GRAPHITE CAST IRON AND METHOD OF PRODUCING SPHEROIDAL GR...
Publication number
20220213568
Publication date
Jul 7, 2022
Kabushiki Kaisha Riken
Tomoyuki TOBITA
C21 - METALLURGY OF IRON
Information
Patent Application
DEVICE AND METHOD FOR CONTINUOUS DESULPHURISATION OF LIQUID HOT METAL
Publication number
20220170122
Publication date
Jun 2, 2022
TATA STEEL NEDERLAND TECHNOLOGY BV
Ali EMAMI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING DIE-CAST PRODUCT OF SPHERICAL GRAPHITIC CAST I...
Publication number
20220106652
Publication date
Apr 7, 2022
I2C CO., LTD.
Haruki ITOFUJI
C21 - METALLURGY OF IRON
Information
Patent Application
NICKEL MAGNESIUM WIRE INJECTION SYSTEM AND METHOD THEREOF
Publication number
20210340639
Publication date
Nov 4, 2021
Deere & Company
William J. Gammill
C21 - METALLURGY OF IRON
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
CASTING SOLIDIFICATION ANALYSIS METHOD, CASTING METHOD, AND ELECTRO...
Publication number
20210178464
Publication date
Jun 17, 2021
I2C Co., Ltd,
Haruki ITOFUJI
B22 - CASTING POWDER METALLURGY