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Class Information
Number: 420/107
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Chromium containing, but less than 9 percent > Molybdenum containing > Cobalt containing
Description: Alloy or metallic composition which additionally contains cobalt.

Patents under this class:

Patent Number Title Of Patent Date Issued
8187530 Steel for high-cleanliness spring with excellent fatigue characteristics and high-cleanliness spring May. 29, 2012
7922968 Corrosion resistance improved steel sheet for automotive muffler and method of producing the steel sheet Apr. 12, 2011
7879159 Martensitic stainless steel strengthened by Ni.sub.3Ti .eta.-phase precipitation Feb. 1, 2011
7820098 High Cr ferritic heat resistance steel Oct. 26, 2010
7695576 Low alloy high steel tool having constant toughness Apr. 13, 2010
7601230 Medical devices Oct. 13, 2009
7235212 Nanocarbide precipitation strengthened ultrahigh strength, corrosion resistant, structural steels and method of making said steels Jun. 26, 2007
7211159 Ferritic heat-resistant steel and method for production thereof May. 1, 2007
7160399 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels Jan. 9, 2007
7083686 Steel product for oil country tubular good Aug. 1, 2006
6869692 Bimetal saw band Mar. 22, 2005
6841122 Hot working die steel excelling in molten corrosion resistance and strength at elevated temperature and member for high temperature use formed of the hot working die steel Jan. 11, 2005
6561258 Mold steel May. 13, 2003
6485678 Wear-resistant iron base alloys Nov. 26, 2002
6482354 High-hardness powder metallurgy tool steel and article made therefrom Nov. 19, 2002
6479013 Casting components made from a tool steel Nov. 12, 2002
6280685 Tool steel composition Aug. 28, 2001
6248292 Overlay welding alloy and engine valve overlayed therewith Jun. 19, 2001
6221183 High-strength and low-thermal-expansion alloy, wire of the alloy and method of manufacturing the alloy wire Apr. 24, 2001
6123504 Steam-turbine power plant and steam turbine Sep. 26, 2000
6117388 Hot working die steel and member comprising the same for high-temperature use Sep. 12, 2000
6057045 High-speed steel article May. 2, 2000
6030469 Fully martensitic steel alloy Feb. 29, 2000
5969277 Steel for shaping tools Oct. 19, 1999
5817191 Iron-based soft magnetic alloy containing cobalt for use as a solenoid core Oct. 6, 1998
5605559 Alloy steel powders, sintered bodies and method Feb. 25, 1997
5531659 Roll caster shell for use in a continuous sheet casting machine Jul. 2, 1996
5393488 High strength, high fatigue structural steel Feb. 28, 1995
5322182 Microwave container Jun. 21, 1994
5268044 High strength, high fracture toughness alloy Dec. 7, 1993
5110379 High temperature fine-grained steel product May. 5, 1992
5102619 Ferrous alloys having enhanced fracture toughness and method of manufacturing thereof Apr. 7, 1992
5087415 High strength, high fracture toughness structural alloy Feb. 11, 1992
5066455 Alloy steel wires suitable for tire cord applications Nov. 19, 1991
4865661 Product of a high-strength nitrogen containing fully austenitic cobalt steel having yield strengths above 600 N/MM2 Sep. 12, 1989
4729872 Isotropic tool steel Mar. 8, 1988
4671930 High hardness and high toughness nitriding powder metallurgical high-speed steel Jun. 9, 1987
4599109 High hardness and high toughness nitriding powder metallurgical high-speed steel Jul. 8, 1986
4514235 Frog, in particular frog point, for rail crossing or rail switches as well as process for producing same Apr. 30, 1985
4266974 Alloy steel powder having excellent compressibility, moldability and heat-treatment property May. 12, 1981
4224060 Hard alloys Sep. 23, 1980
4152148 High strength, high toughness steel welding compositions May. 1, 1979
4116685 Tool steel for warm and hot working Sep. 26, 1978
4116684 High speed tool steel having high toughness Sep. 26, 1978
4076525 High strength fracture resistant weldable steels Feb. 28, 1978

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