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C22C33/10
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CHEMISTRY METALLURGY
C22
Metallurgy
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ALLOYS
C22C33/00
Making ferrous alloys
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C22C33/10
including procedures for adding magnesium
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Patents Grants
last 30 patents
Information
Patent Grant
Ferritic spheroidal graphite cast iron, differential case, and diff...
Patent number
12,270,092
Issue date
Apr 8, 2025
Aisin Takaoka Co., Ltd.
Tomohiro Yamaguchi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Biodegradable iron-containing compositions, methods of preparing an...
Patent number
12,171,912
Issue date
Dec 24, 2024
University of Pittsburgh of the Commonwealth System of Higher Education
Prashant N. Kumta
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
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
Biodegradable iron-containing compositions, methods of preparing an...
Patent number
11,590,266
Issue date
Feb 28, 2023
University of Pittsburgh of the Commonwealth System of Higher Education
Prashant N. Kumta
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Spheroidal graphite cast iron
Patent number
11,466,349
Issue date
Oct 11, 2022
Toyota Jidosha Kabushiki Kaisha
Takumi Hijii
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
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
Spheroidal graphite cast iron having excellent strength and toughne...
Patent number
10,087,509
Issue date
Oct 2, 2018
Hitachi Metals, Ltd.
Lin Wang
C21 - METALLURGY OF IRON
Information
Patent Grant
High rigid spheroidal graphite cast iron
Patent number
9,834,831
Issue date
Dec 5, 2017
Kabushiki Kaisha Riken
Tomoyuki Tobita
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for fabricating vane using a nodular graphite cast iron
Patent number
9,644,245
Issue date
May 9, 2017
LG Electronics Inc.
Jaebong Park
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing spheroidal graphite cast iron and vehicle comp...
Patent number
9,556,498
Issue date
Jan 31, 2017
Akebono Brake Industry Co., Ltd.
Takao Horiya
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of repairing defects in cast iron workpieces, and a method o...
Patent number
9,545,665
Issue date
Jan 17, 2017
Vestas Wind Systems A/S
Hong Wei Zhang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ferritic spheroidal graphite cast iron
Patent number
8,540,932
Issue date
Sep 24, 2013
Toyota Jidosha Kabushiki Kaisha
Yoshikazu Genma
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for production of semisolidified slurry of iron-base alloy...
Patent number
8,486,329
Issue date
Jul 16, 2013
Kogi Corporation
Syuichi Shikai
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Additive for inoculation of cast iron and method
Patent number
7,081,150
Issue date
Jul 25, 2006
Carl R. Loper, Jr.
C21 - METALLURGY OF IRON
Information
Patent Grant
Alloy and method for producing same
Patent number
7,081,151
Issue date
Jul 25, 2006
Sintercast AB
Wolfgang Troschel
C21 - METALLURGY OF IRON
Information
Patent Grant
Method to produce compacted graphite iron (CGI)
Patent number
6,544,359
Issue date
Apr 8, 2003
CGI-Promotion AB
Lennart Bäckerud
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and equipment for a treatment in molten cast iron baths with...
Patent number
6,099,614
Issue date
Aug 8, 2000
Ettore Bennati
C21 - METALLURGY OF IRON
Information
Patent Grant
Process and an apparatus for removal of silicon, manganese, carbon...
Patent number
6,063,157
Issue date
May 16, 2000
Shilowbhadra Banerjee
C21 - METALLURGY OF IRON
Information
Patent Grant
Magnesium treatment process and apparatus for carrying out this pro...
Patent number
5,098,651
Issue date
Mar 24, 1992
Georg Fischer A.G.
Henych Ivo
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Agent for the treatment of cast iron melts, process for the product...
Patent number
5,087,290
Issue date
Feb 11, 1992
SKW Trostberg Aktiengesellschaft
Friedrich Wolfsgruber
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Ladle inoculant dispenser
Patent number
4,997,167
Issue date
Mar 5, 1991
Elkem A/s
Pertti Harma
C21 - METALLURGY OF IRON
Information
Patent Grant
Process of producing nodular cast iron
Patent number
4,889,688
Issue date
Dec 26, 1989
Honda Giken Kogyo K.K.
Makoto Suenaga
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing nodular cast iron
Patent number
4,874,576
Issue date
Oct 17, 1989
Metallgesellschaft Aktiengesellschaft
Karl J. Reifferscheid
C21 - METALLURGY OF IRON
Information
Patent Grant
Radiant heat vaporizing injector
Patent number
4,756,880
Issue date
Jul 12, 1988
Harbinger Labs, Inc.
Richard N. Haigh
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for storing and maintaining the temperature of molten metal
Patent number
4,690,385
Issue date
Sep 1, 1987
Kloeckner-Humboldt-Deutz AG
Gunther Beele
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus and method for maintaining the temperature of molten metal
Patent number
4,638,980
Issue date
Jan 27, 1987
Kloeckner-Humboldt-Deutz AG
Gunther Beele
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of vaporizing additives in metal melts
Patent number
4,624,702
Issue date
Nov 25, 1986
Georg Fischer Aktiengesellschaft
Kurt Fehr
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
BIODEGRADABLE IRON-CONTAINING COMPOSITIONS, METHODS OF PREPARING AN...
Publication number
20250090731
Publication date
Mar 20, 2025
University of Pittsburgh of the Commonwealth System of Higher Education
PRASHANT N. KUMTA
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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
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
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
SPHERICAL GRAPHITE CAST IRON SEMI-SOLID CASTING METHOD AND SEMI-SOL...
Publication number
20200283859
Publication date
Sep 10, 2020
Tohoku University
Masayuki ITAMURA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
SPHEROIDAL GRAPHITE CAST IRON
Publication number
20190211426
Publication date
Jul 11, 2019
Toyota Jidosha Kabushiki Kaisha
Takumi HIJII
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SPHEROIDAL GRAPHITE CAST IRON, CAST ARTICLE AND AUTOMOBILE STRUCTUR...
Publication number
20190071756
Publication date
Mar 7, 2019
Hitachi Metals, Ltd.
Lin WANG
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
DUCTILE IRON COMPOSITION AND PROCESS OF FORMING A DUCTILE IRON COMP...
Publication number
20170314104
Publication date
Nov 2, 2017
GENERAL ELECTRIC COMPANY
Junyoung PARK
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
DUCTILE IRON COMPOSITION AND PROCESS OF FORMING A DUCTILE IRON COMP...
Publication number
20170314105
Publication date
Nov 2, 2017
GENERAL ELECTRIC COMPANY
Junyoung PARK
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD OF REPAIRING DEFECTS IN CAST IRON WORKPIECES, AND A METHOD O...
Publication number
20150224572
Publication date
Aug 13, 2015
VESTAS WIND SYSTEMS A/S
Hong Wei Zhang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SPHEROIDAL GRAPHITE CAST IRON HAVING EXCELLENT STRENGTH AND TOUGHNE...
Publication number
20140352851
Publication date
Dec 4, 2014
Hitachi Metals, Ltd.
Lin Wang
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING SPHEROIDAL GRAPHITE CAST IRON AND VEHICLE COMP...
Publication number
20140271330
Publication date
Sep 18, 2014
Takao Horiya
C21 - METALLURGY OF IRON
Information
Patent Application
FORK FOR CLUTCH AND MANUFACTURING METHOD THEREOF
Publication number
20140251751
Publication date
Sep 11, 2014
Jaebong PARK
C21 - METALLURGY OF IRON
Information
Patent Application
NODULAR GRAPHITE CAST IRON AND METHOD FOR FABRICATING VANE USING TH...
Publication number
20130122325
Publication date
May 16, 2013
LG ELECTRONICS INC.
Jaebong PARK
C21 - METALLURGY OF IRON
Information
Patent Application
TREATMENT LADLE
Publication number
20120152060
Publication date
Jun 21, 2012
Emmanuel Berthelet
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR PRODUCTION OF SEMISOLIDIFIED SLURRY OF IRON-BASE ALLOY;...
Publication number
20120003115
Publication date
Jan 5, 2012
Kogi Corporation
Syuichi Shikai
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
FERRITIC SPHEROIDAL GRAPHITE CAST IRON
Publication number
20110297280
Publication date
Dec 8, 2011
Yoshikazu Genma
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Additive for inoculation of cast iron and method
Publication number
20050050992
Publication date
Mar 10, 2005
Carl R. Loper
C21 - METALLURGY OF IRON
Information
Patent Application
Method for production of ductile iron
Publication number
20040042925
Publication date
Mar 4, 2004
Torbjorn Skaland
C21 - METALLURGY OF IRON
Information
Patent Application
Alloy and method for producing same
Publication number
20030102056
Publication date
Jun 5, 2003
Wolfgang Troschel
C21 - METALLURGY OF IRON