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Class Information
Number: 420/117
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Two percent or more silicon containing
Description: Alloy or metallic composition which additionally contains 2 percent or more silicon.

Sub-classes under this class:

Class Number Class Name Patents
420/118 Titanium, molybdenum, tungsten or vanadium containing 27

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8663399 Iron-based high saturation induction amorphous alloy Mar. 4, 2014
8657972 Development of a high strength high toughness steel Feb. 25, 2014
8491731 Alloy composition, Fe-based nano-crystalline alloy and forming method of the same and magnetic component Jul. 23, 2013
8414712 Thin strip of amorphous alloy, nanocrystal soft magnetic alloy, and magnetic core Apr. 9, 2013
8372217 Iron-based high saturation magnetic induction amorphous alloy core having low core and low audible noise Feb. 12, 2013
8241559 Steel material having a high silicon content for producing piston rings and cylinder sleeves Aug. 14, 2012
8187530 Steel for high-cleanliness spring with excellent fatigue characteristics and high-cleanliness spring May. 29, 2012
8177920 Grain-oriented electrical steel sheet and process for producing the same May. 15, 2012
8071018 High carbon hot-rolled steel sheet Dec. 6, 2011
8038934 High-strength spring steel excellent in brittle fracture resistance and method for producing same Oct. 18, 2011
7993728 Aluminum/silicon carbide composite and radiating part comprising the same Aug. 9, 2011
7905966 Method of producing a strip of nanocrystalline material and device for producing a wound core from said strip Mar. 15, 2011
7799147 Flaky soft magnetic metal powder and magnetic core member for RFID antenna Sep. 21, 2010
7754383 Non-aqueous electrolyte secondary battery, negative electrode material therefor, and method of manufacturing the negative electrode material Jul. 13, 2010
7416615 Very-high-strength and low-density, hot-rolled steel sheet and manufacturing process Aug. 26, 2008
7004493 Ski edge profile Feb. 28, 2006
6918966 Low iron loss and low noise grain-oriented electrical steel sheet and a method for producing the same Jul. 19, 2005
6822831 Magnetic thin film, magnetic thin film forming method, and recording head Nov. 23, 2004
6800146 Magnetic circuit member Oct. 5, 2004
6723914 Composite magnetic tape Apr. 20, 2004
6695985 Electromagnetic wave suppressor sheet Feb. 24, 2004
6565674 High flux density grain-oriented electrical steel sheet excellent in high magnetic field core loss property and method of producing the same May. 20, 2003
6562207 Refractory metal silicide alloy sputter targets, use and manufacture thereof May. 13, 2003
RE38098 Magneto-elastically excitable tag having a reliable deactivatable amorphous alloy for use in a mechanical resonance monitoring system Apr. 29, 2003
6531001 Non-oriented magnetic steel sheet having low iron loss and high magnetic flux density and manufacturing method therefor Mar. 11, 2003
6444168 Apparatus comprising furnaces, reactors or conduits used in applications requiring anti-coking properties and novel steel compositions Sep. 3, 2002
6432227 Electromagnetic steel sheet and process for producing the same Aug. 13, 2002
6428632 Non-oriented electromagnetic steel sheet having reduced magnetic anisotropy in high frequency region and excellent press workability Aug. 6, 2002
6423157 Method of making grain-oriented magnetic steel sheet having low iron loss Jul. 23, 2002
6355212 Alloy for corrosion-resistant coatings or surface coatings Mar. 12, 2002
6322638 Electromagnetic steel sheet having excellent high-frequency magnetic properties Nov. 27, 2001
6293988 Inoculant and inoculant method for gray and ductile cast irons Sep. 25, 2001
6210496 High-strength high-workability cold rolled steel sheet having excellent impact resistance Apr. 3, 2001
6162306 Electromagnetic steel sheet having excellent high-frequency magnetic properities and method Dec. 19, 2000
6103022 Grain oriented electrical steel sheet having very low iron loss and production process for same Aug. 15, 2000
6060172 Fe-based rapidly quenched metal strip May. 9, 2000
5944917 Stainless steel for ozone added water and manufacturing method thereof Aug. 31, 1999
5919319 Iron-cobalt alloy, process for manufacturing a strip made of iron-cobalt alloy, and strip obtained Jul. 6, 1999
5902419 Silicon steel sheet and method thereof May. 11, 1999
5885374 Process for producing grain oriented silicon steel sheet and decarburized sheet Mar. 23, 1999
5876520 Semiprocessed nonoriented magnetic steel sheet having excellent magnetic characteristics and method for making the same Mar. 2, 1999
5873954 Amorphous alloy with increased operating induction Feb. 23, 1999
5871593 Amorphous Fe-B-Si-C alloys having soft magnetic characteristics useful in low frequency applications Feb. 16, 1999
5833769 Wide iron-based amorphous alloy thin strip, and method of making the same Nov. 10, 1998
5779819 Grain oriented electrical steel having high volume resistivity Jul. 14, 1998
5772728 Method for upgrading of silicon-containing residues obtained after leaching of copper-containing residues from chlorosilane synthesis Jun. 30, 1998
5766375 Non-oriented magnetic steel sheet having excellent bending workability Jun. 16, 1998
5728237 Magneto-elastically excitable tag having a reliably deactivatable amorphous alloy for use in a mechanical resonance monitoring system Mar. 17, 1998
5725686 Magnetic core for pulse transformer and pulse transformer made thereof Mar. 10, 1998
5718775 Grain-oriented electrical steel sheet and method of manufacturing the same Feb. 17, 1998

1 2 3

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