Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Material Science
Class Information
Number: 420/484
Name: Alloys or metallic compositions > Copper base > Zinc containing > Refractory metal containing
Description: Alloy, or metallic composition which additionally contains at least one of the metals titanium, vanadium, rhromium, zirconium, niobium, molybdenium, hafnium, tantalum, or tungsten.










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
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
7628872 Lead-free free-cutting copper-antimony alloys Dec. 8, 2009
7056396 Copper/zinc alloys having low levels of lead and good machinability Jun. 6, 2006
6881281 High-strength, high conductivity copper alloy excellent in fatigue and intermediate temperature properties Apr. 19, 2005
6632300 Copper alloy having improved stress relaxation resistance Oct. 14, 2003
6093499 Copper alloy foils Jul. 25, 2000
5766377 Copper-zinc-alloy for use in drinking-water installations Jun. 16, 1998
5288683 Wear-resistant copper alloys and synchronizer rings for automobiles comprising the same Feb. 22, 1994
4965045 Copper-based alloy for obtaining aluminum-beta-brasses, containing grain size reducing additives of titanium and niobium Oct. 23, 1990
4886641 Electrical contact spring material made of copper base alloy of high strength and toughness with reduced anisotropy in characteristics Dec. 12, 1989
4612167 Copper-base alloys for leadframes Sep. 16, 1986
4559200 High strength and high conductivity copper alloy Dec. 17, 1985
4284436 Process for the production of bands or sheets of isotropic mechanical properties from copper or copper alloys Aug. 18, 1981
4207096 Method of producing graphite-containing copper alloys Jun. 10, 1980
4180398 Modification of leaded brasses to improve hot workability Dec. 25, 1979
4076560 Wrought copper-silicon based alloys with enhanced elasticity and method of producing same Feb. 28, 1978











 
 
  Recently Added Patents
Methods and systems for managing print device supplies using cloud administration system configured for chemical signature tracking
Cooling structure for electronic device
Method and apparatus for detection of LVDT core fallout condition
Device for increasing chip testing efficiency and method thereof
System, method and computer program product for efficient caching of hierarchical items
Techniques for forming a contact to a buried diffusion layer in a semiconductor memory device
Image sensor pixels with junction gate photodiodes
  Randomly Featured Patents
Time base control system for a spindle servo
Method for making metal interconnection with chlorine plasma etch
Tire
Multi-function tool handle
Hybrid rock bit
Output circuit
Motor vehicle with an air-conducting device
Independent wheel suspension apparatus for vehicle
Substituted benzene sulfonyl isocyanates as intermediates to herbicidal sulfonamides
Fail-safe variable damping suspension for a motor vehicle