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Class Information
Number: 420/585
Name: Alloys or metallic compositions > Containing over 50 per cent metal but no base metal > Iron containing > Chromium containing > Nickel containing > Cobalt containing
Description: Alloy, or metallic composition which additionally contains cobalt.










Sub-classes under this class:

Class Number Class Name Patents
420/586 Titanium, or zirconium containing 122


Patents under this class:
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Patent Number Title Of Patent Date Issued
8486204 Hinge device and electronic device using the same Jul. 16, 2013
8313591 Austenitic heat resistant alloy Nov. 20, 2012
7749431 Stainless steel for high-pressure hydrogen gas Jul. 6, 2010
7601230 Medical devices Oct. 13, 2009
7531129 Stainless steel for high-pressure hydrogen gas May. 12, 2009
6908468 Devices for nuclear spin tomography magnetic resonance imaging (MRI) Jun. 21, 2005
6685881 Stainless cast steel having good heat resistance and good machinability Feb. 3, 2004
6592811 Magnetic material having a high saturation magnetic flux density and a low coercive force Jul. 15, 2003
6562293 Material formulation for galvanizing equipment submerged in molten aluminum and aluminum/zinc melts May. 13, 2003
6485678 Wear-resistant iron base alloys Nov. 26, 2002
6485679 Heat resistant austenitic stainless steel Nov. 26, 2002
6355212 Alloy for corrosion-resistant coatings or surface coatings Mar. 12, 2002
6350324 Soft magnetic alloy Feb. 26, 2002
6248292 Overlay welding alloy and engine valve overlayed therewith Jun. 19, 2001
6168757 Material formulation for galvanizing equipment submerged in molten aluminum and aluminum/zinc melts Jan. 2, 2001
6004507 Material formulation for galvanizing equipment submerged in molten and aluminum zinc melts Dec. 21, 1999
5951789 Heat resisting alloy for exhaust valve and method for producing the exhaust valve Sep. 14, 1999
5882440 Heat-resistant alloy steel for hearth metal members of steel material heating furnaces Mar. 16, 1999
5516485 Weldable cast heat resistant alloy May. 14, 1996
5514328 Cavitation erosion resistent steel May. 7, 1996
5439640 Controlled thermal expansion superalloy Aug. 8, 1995
5425822 Hard facing chromium-base alloys Jun. 20, 1995
5422072 Enhanced Co-based alloy Jun. 6, 1995
5350560 Wear resistant alloy Sep. 27, 1994
5320801 High carbon high chromium alloys having corrosion and abrasion resistance Jun. 14, 1994
5314659 Hard facing chromium-base alloys May. 24, 1994
5310522 Heat and corrosion resistant iron-nickel-chromium alloy May. 10, 1994
5226980 Skid rail alloy Jul. 13, 1993
5194222 Alloy and composite steel tube with corrosion resistance in combustion environment where V, NA, S and C1 are present Mar. 16, 1993
5190832 Alloy and composite steel tube with corrosion resistance in combustion environment where V, Na, S and Cl are present Mar. 2, 1993
5154885 Highly corrosion and/or oxidation-resistant protective coating containing rhenium Oct. 13, 1992
5114503 Magnetic core May. 19, 1992
5064610 Heat resistant steel for use as material of engine valve Nov. 12, 1991
5064731 Dental prostheses Nov. 12, 1991
5019459 High temperture corrosion resistant bimetallic cylinder May. 28, 1991
5002731 Corrosion-and-wear-resistant cobalt-base alloy Mar. 26, 1991
4931255 Nickel-cobalt based alloys Jun. 5, 1990
4853183 Air meltable castable corrosion resistant alloy and its process thereof Aug. 1, 1989
4822567 Antibiotic alloys Apr. 18, 1989
4818483 Alloy resistant to seawater and corrosive process fluids Apr. 4, 1989
4765956 Nickel-chromium alloy of improved fatigue strength Aug. 23, 1988
4765957 Alloy resistant to seawater and other corrosive fluids Aug. 23, 1988
4743318 Carburization/oxidation resistant worked alloy May. 10, 1988
4735772 Palladium-cobalt alloys; manufacture of a root cap Apr. 5, 1988
4727740 Thermal and wear resistant tough nickel based alloy guide rolls Mar. 1, 1988
4724012 Material for in-tube components and method of manufacturing it Feb. 9, 1988
4711826 Iron-nickel alloys having improved glass sealing properties Dec. 8, 1987
4711763 Sulfidation-resistant Co-Cr-Ni alloy with critical contents of silicon and cobalt Dec. 8, 1987
4708848 Nickel/chrome base superalloys Nov. 24, 1987
4643767 Nuclear grade steels Feb. 17, 1987

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