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Class Information
Number: 420/479
Name: Alloys or metallic compositions > Copper base > Zinc containing > Aluminum containing > Nickel containing
Description: Alloy, or metallic composition which additionally contains nickel.










Patents under this class:

Patent Number Title Of Patent Date Issued
8506730 Copper/zinc alloys having low levels of lead and good machinability Aug. 13, 2013
8425697 Tin-free lead-free free-cutting magnesium brass alloy Apr. 23, 2013
8366841 Lead-free free-cutting corrosion-resistant silicon-bismuth brass alloy Feb. 5, 2013
8293034 Lead-free brass alloy Oct. 23, 2012
8273192 Lead-free, bismuth-free free-cutting phosphorous brass alloy Sep. 25, 2012
8273193 Lead-free, bismuth-free free-cutting silicon brass alloy Sep. 25, 2012
7736448 Nano icrystals copper material with super high strength and conductivity and method of preparing thereof Jun. 15, 2010
7712965 Piston pin bushing May. 11, 2010
7628872 Lead-free free-cutting copper-antimony alloys Dec. 8, 2009
7354489 Lead-free copper alloy and a method of manufacture Apr. 8, 2008
7056396 Copper/zinc alloys having low levels of lead and good machinability Jun. 6, 2006
6787101 Die-casting brass alloy which is resistant to dezincification Sep. 7, 2004
6632300 Copper alloy having improved stress relaxation resistance Oct. 14, 2003
6413330 Lead-free free-cutting copper alloys Jul. 2, 2002
6391163 Method of enhancing hardness of sputter deposited copper films May. 21, 2002
6103188 High-conductivity copper microalloys obtained by conventional continuous or semi-continuous casting Aug. 15, 2000
6059901 Bismuthized Cu-Ni-Mn-Zn alloy May. 9, 2000
5879477 Reduced lead bismuth yellow brass Mar. 9, 1999
5788924 Wear resistant copper alloy and synchronizer ring made thereof Aug. 4, 1998
5766377 Copper-zinc-alloy for use in drinking-water installations Jun. 16, 1998
5653827 Brass alloys Aug. 5, 1997
5487867 Copper-bismuth casting alloys Jan. 30, 1996
5441696 Copper-nickel based alloy Aug. 15, 1995
5360591 Reduced lead bismuth yellow brass Nov. 1, 1994
5346668 Copper based alloy for wear resistant sliding layer and sliding member Sep. 13, 1994
5344606 Fluid treatment alloy casting of Cu-Sn-Ni-Zn Sep. 6, 1994
5288683 Wear-resistant copper alloys and synchronizer rings for automobiles comprising the same Feb. 22, 1994
5250256 High-tensile copper alloy for current conduction having superior flexibility Oct. 5, 1993
5246509 Copper base alloy superior in resistances to seizure, wear and corrosion suitable for use as material of sliding member Sep. 21, 1993
5183637 Wear resistant copper alloys Feb. 2, 1993
5098654 Alloy based on copper, manganese and aluminum, and objects made of said alloy Mar. 24, 1992
5069874 Method for reducing high-load, low-speed wear resistance in sliding members Dec. 3, 1991
5000915 Wear-resistant copper alloy Mar. 19, 1991
4995924 Synchronizer ring in speed variator made of copper-base alloy Feb. 26, 1991
4994235 Wear-resistance aluminum bronze alloy Feb. 19, 1991
4954187 Precipitates copper-zinc alloy with nickel silicide Sep. 4, 1990
4944915 Copper alloys for electrical and electronic parts and its manufacturing process Jul. 31, 1990
4874439 Synchronizer ring in speed variator made of wear-resistant copper alloy having high strength and toughness Oct. 17, 1989
4872048 Semiconductor device having copper alloy leads Oct. 3, 1989
4786470 Aluminum-bronze dental alloy Nov. 22, 1988
4750953 Copper-base shape-memory alloys Jun. 14, 1988
4749548 Copper alloy lead material for use in semiconductor device Jun. 7, 1988
4687633 Lead material for ceramic package IC Aug. 18, 1987
4642146 Alpha copper base alloy adapted to be formed as a semi-solid metal slurry Feb. 10, 1987
4632806 Copper alloy having high resistance to oxidation for use in leads on semiconductor devices Dec. 30, 1986
4589938 Single phase copper-nickel-aluminum-alloys May. 20, 1986
4242132 Copper base alloy containing manganese and nickle Dec. 30, 1980
4191564 Brass having superior adhesion and wear resistant properties Mar. 4, 1980
4148635 High temperature softening resistance of alloy 688 and modified 688 through the addition of Nb Apr. 10, 1979











 
 
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