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Class Information
Number: 420/447
Name: Alloys or metallic compositions > Nickel base > Chromium containing > Aluminum containing > Titanium containing > Tantalum, niobium, vanadium, or hafnium containing
Description: Alloy which additionally contains at least one, or the metals tantalum, niobium, vanadium, or hafnium.










Sub-classes under this class:

Class Number Class Name Patents
420/448 Molybdenum or tungsten containing 241


Patents under this class:
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Patent Number Title Of Patent Date Issued
8652400 Thermo-mechanical processing of nickel-base alloys Feb. 18, 2014
8512488 Ni--Fe based forging superalloy excellent in high-temperature strength and high-temperature ductility, method of manufacturing the same, and steam turbine rotor Aug. 20, 2013
8512874 Coating systems containing beta phase and gamma-prime phase nickel aluminide Aug. 20, 2013
8426033 High strength nickel alloy welds through precipitation hardening Apr. 23, 2013
8343419 Ni base alloy solid wire for welding Jan. 1, 2013
8197748 Corrosion resistant structural alloy for electrolytic reduction equipment for spent nuclear fuel Jun. 12, 2012
8017242 Antireflection film, polarizing plate and image display Sep. 13, 2011
7938919 Method for the heat treatment of nickel-based superalloys May. 10, 2011
H2245 Age-hardenable, nickel-base superalloy with improved notch ductility Aug. 3, 2010
7662740 Platinum-chromium-copper/nickel fuel cell catalyst Feb. 16, 2010
7547188 Ni-based alloy member, method of producing the alloy member, turbine engine part, welding material, and method of producing the welding material Jun. 16, 2009
7531054 Nickel alloy and method including direct aging May. 12, 2009
7484926 Steam turbine power plant Feb. 3, 2009
7459035 Steam turbine rotor and steam turbine plant Dec. 2, 2008
7165325 Welding material, gas turbine blade or nozzle and a method of repairing a gas turbine blade or nozzle Jan. 23, 2007
7052782 High-temperature protection layer May. 30, 2006
7014723 Nickel-base alloy Mar. 21, 2006
6974508 Nickel base superalloy turbine disk Dec. 13, 2005
6919042 Oxidation and fatigue resistant metallic coating Jul. 19, 2005
6860948 Age-hardenable, corrosion resistant Ni--Cr--Mo alloys Mar. 1, 2005
6818077 High-strength Ni-base superalloy and gas turbine blades Nov. 16, 2004
6797232 Nickel-based alloy for high-temperature technology Sep. 28, 2004
6756131 High temperature corrosion resistant alloy, thermal barrier coating material, and gas turbine using high temperature corrosion resistant alloy Jun. 29, 2004
6752883 Free-cutting Ni-base heat-resistant alloy Jun. 22, 2004
6740177 Nickel-base alloy May. 25, 2004
6702906 Ni-base heat resistant alloy and welded joint thereof Mar. 9, 2004
6696176 Superalloy material with improved weldability Feb. 24, 2004
6544668 Ductile filler metal alloys for welding nickel aluminide alloys Apr. 8, 2003
6475642 Oxidation-resistant coatings, and related articles and processes Nov. 5, 2002
6458318 Heat resistant nickel base alloy Oct. 1, 2002
6284392 Superalloys with improved weldability for high temperature applications Sep. 4, 2001
6242113 Welding alloy and articles for use in welding, weldments and methods for producing weldments Jun. 5, 2001
6210635 Repair material Apr. 3, 2001
6132535 Process for the heat treatment of a Ni-base heat-resisting alloy Oct. 17, 2000
6054096 Stable heat treatable nickel superalloy single crystal articles and compositions Apr. 25, 2000
5997809 Alloys for high temperature service in aggressive environments Dec. 7, 1999
5964966 Method of forming biaxially textured alloy substrates and devices thereon Oct. 12, 1999
5939204 Article for transporting a hot, oxidizing gas Aug. 17, 1999
5730792 Opaque ceramic coatings Mar. 24, 1998
5728279 Cobalt base alloy target for a magnetron cathode sputtering system Mar. 17, 1998
5599385 High temperature-resistant corrosion protection coating for a component, in particular a gas turbine component Feb. 4, 1997
5582635 High temperature-resistant corrosion protection coating for a component in particular a gas turbine component Dec. 10, 1996
5543109 Heat resistant high chromium austenitic alloy excellent in strength at elevated temperatures Aug. 6, 1996
5425912 Low expansion superalloy with improved toughness Jun. 20, 1995
5403547 Oxidation resistant low expansion superalloys Apr. 4, 1995
5374319 Welding high-strength nickel base superalloys Dec. 20, 1994
5364587 Nickel alloy for hydrogen battery electrodes Nov. 15, 1994
5294239 Nickel-base superalloy Mar. 15, 1994
5122206 Precipitation hardening nickel base single crystal cast alloy Jun. 16, 1992
5077004 Single crystal nickel-base superalloy for turbine components Dec. 31, 1991

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