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Class Information
Number: 420/581
Name: Alloys or metallic compositions > Containing over 50 per cent metal but no base metal > Iron containing
Description: Alloy, or metallic composition which contains iron in an amount which does not exceed 50 percent by weight.










Sub-classes under this class:

Class Number Class Name Patents
420/583 Chromium containing 87
420/582 Copper containing 123


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7842639 Mechanical alloying of a hydrogenation catalyst used for the remediation of contaminated compounds Nov. 30, 2010
7815850 High-strength nanostructured alloys Oct. 19, 2010
7776259 High-strength high-temperature creep-resistant iron-cobalt alloys for soft magnetic applications Aug. 17, 2010
7744702 Soft magnetic alloy powder, compact, and inductance element Jun. 29, 2010
7582171 High-strength, soft-magnetic iron-cobalt-vanadium alloy Sep. 1, 2009
7578893 Electrical contact material comprising a cobalt-nickel-iron alloy Aug. 25, 2009
7465423 Low cost brazes for titanium Dec. 16, 2008
7226515 Fe--Ni based permalloy and method of producing the same and cast slab Jun. 5, 2007
6929726 Sputtering target, Al interconnection film, and electronic component Aug. 16, 2005
6890480 Ductile medium- and high-density, non-toxic shot and other articles and method for producing the same May. 10, 2005
6787103 Hydrogen storage alloy having laves phase and production method therefor Sep. 7, 2004
6736947 Sputtering target, A1 interconnection film, and electronic component May. 18, 2004
6666930 FePt magnet and manufacturing method thereof Dec. 23, 2003
6652991 Ductile NiAl intermetallic compositions Nov. 25, 2003
6592811 Magnetic material having a high saturation magnetic flux density and a low coercive force Jul. 15, 2003
6592810 FE-NI ALLOY HAVING HIGH STRENGTH AND LOW THERMAL EXPANSION, A SHADOW MASK MADE OF THE ALLOY, A BRAUN TUBE WITH THE SHADOW MASK, A LEAD FRAME MADE OF THE ALLOY AND A SEMICONDUCTOR ELEMENT WITH Jul. 15, 2003
6562293 Material formulation for galvanizing equipment submerged in molten aluminum and aluminum/zinc melts 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
6334912 Thermomechanical method for producing superalloys with increased strength and thermal stability Jan. 1, 2002
6309441 Reduction-melting process to form rare earth-transition metal alloys and the alloys Oct. 30, 2001
6270593 Mn alloy materials for magnetic materials, Mn alloy sputtering targets, and magnetic thin films Aug. 7, 2001
6221183 High-strength and low-thermal-expansion alloy, wire of the alloy and method of manufacturing the alloy wire Apr. 24, 2001
6187112 Metallic glass alloys for mechanically resonant marker surveillance systems Feb. 13, 2001
6162551 Alloy used for joining to cemented carbide, and its composite material Dec. 19, 2000
6146474 Iron-cobalt alloy Nov. 14, 2000
6102983 Cast iron inoculant and method for production of cast iron inoculant Aug. 15, 2000
5968449 Iron base Si--Mn alloy or iron base Si--Mn--Ni alloy having good crushability and alloy powder thereof Oct. 19, 1999
5958331 Fe-Ni based alloy sheet having superior surface characteristic and superior etchability Sep. 28, 1999
5948179 Alloy used for production of a rare-earth magnet and method for producing the same Sep. 7, 1999
5916519 Hydrogen storage alloy containing iron Jun. 29, 1999
5851690 Hydrogen absorbing alloys Dec. 22, 1998
5792286 High-strength thin plate of iron-nickel-cobalt alloy excellent in corrosion resisitance, repeated bending behavior and etchability, and production thereof Aug. 11, 1998
5783145 Iron-nickel alloy and cold-rolled strip with a cubic texture Jul. 21, 1998
5750044 Magnet and bonded magnet May. 12, 1998
5738953 Alkaline metal oxide/metal hydride battery Apr. 14, 1998
5728237 Magneto-elastically excitable tag having a reliably deactivatable amorphous alloy for use in a mechanical resonance monitoring system Mar. 17, 1998
5690889 Production method for making rare earth compounds Nov. 25, 1997
5688471 High strength low thermal expansion alloy Nov. 18, 1997
5650023 Metallic glass alloys for mechanically resonant marker surveillance systems Jul. 22, 1997
5628840 Metallic glass alloys for mechanically resonant marker surveillance systems May. 13, 1997
5605582 Alloy sheet having high etching performance Feb. 25, 1997
5554232 Amorphous metal wire Sep. 10, 1996
5490970 Method of producing hydrogen-storing alloy and electrode making use of the alloy Feb. 13, 1996
5480495 Magnetic material Jan. 2, 1996
5422071 Heat resistant iron/steel weld material Jun. 6, 1995
5403547 Oxidation resistant low expansion superalloys Apr. 4, 1995
5401463 Hydrogen-occlusion alloy electrode Mar. 28, 1995
5401464 Solid state reaction of silicon or manganese oxides to carbides and their alloying with ferrous melts Mar. 28, 1995
5393723 Catalyst for improving the combustion and operational qualities of hydrocarbon fuels Feb. 28, 1995
5340413 Fe-NI based soft magnetic alloys having nanocrystalline structure Aug. 23, 1994

1 2 3 4










 
 
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