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Class Information
Number: 148/699
Name: Metal treatment > Process of modifying or maintaining internal physical structure (i.e., microstructure) or chemical properties of metal, process of reactive coating of metal and process of chemical-heat removing (e.g., flame-cutting, etc.) or burning of metal > Heating or cooling of solid metal > Aluminum(al) or aluminum base alloy > With ageing, solution treating (i.e., for hardening), precipitation hardening or strengthening > Copper(cu) containing
Description: Process wherein the aluminum alloy contains copper (Cu) in any amount.

Sub-classes under this class:

Class Number Class Name Patents
148/700 Magnesium(mg) containing 94

Patents under this class:

Patent Number Title Of Patent Date Issued
8636855 Methods of enhancing mechanical properties of aluminum alloy high pressure die castings Jan. 28, 2014
8366846 Aluminum alloy sheet with excellent post-fabrication surface qualities and method of manufacturing same Feb. 5, 2013
8333853 Aging of aluminum alloys for improved combination of fatigue performance and strength Dec. 18, 2012
7597770 Aluminum-based alloy and method of fabrication of semiproducts thereof Oct. 6, 2009
7125459 High strength aluminum alloy Oct. 24, 2006
6869490 High strength aluminum alloy Mar. 22, 2005
6696175 Unrecrystallized layer and associated alloys and methods Feb. 24, 2004
6344096 Method of producing aluminum alloy sheet for automotive applications Feb. 5, 2002
6264771 Process for forming a plate-like component Jul. 24, 2001
6258463 Anodized cryogenically treated aluminum Jul. 10, 2001
6221515 Bimetallic strip for a sliding bearing and process for producing said bimetallic strip Apr. 24, 2001
6113850 2XXX series aluminum alloy Sep. 5, 2000
6074498 Heat treated Al-Cu-Li-Sc alloys Jun. 13, 2000
5922147 Method and apparatus for simplified production of heat-treatable aluminum alloy castings Jul. 13, 1999
5916385 Aluminum-cooper alloy Jun. 29, 1999
5858133 Method for preparing pre-coated aluminum alloy articles and articles prepared thereby Jan. 12, 1999
5766546 High internal pressure forming of aluminum alloy hollow bodies Jun. 16, 1998
5766380 Method for fabricating randomly oriented aluminum alloy sputtering targets with fine grains and fine precipitates Jun. 16, 1998
5690758 Process for the fabrication of aluminum alloy sheet having high formability Nov. 25, 1997
5643372 Process for the desensitisation to intercrystalline corrosion of 2000 and 6000 series Al alloys and corresponding products Jul. 1, 1997
5616189 Aluminum alloys and process for making aluminum alloy sheet Apr. 1, 1997
5614037 Method for preparing pre-coated aluminum articles and articles prepared thereby Mar. 25, 1997
5547633 Aluminum-titanium alloy Aug. 20, 1996
5455003 Al-Cu-Li alloys with improved cryogenic fracture toughness Oct. 3, 1995
5439536 Method of minimizing strength anisotropy in aluminum-lithium alloy wrought product by cold rolling, stretching and aging Aug. 8, 1995
5383986 Method of improving transverse direction mechanical properties of aluminum-lithium alloy wrought product using multiple stretching steps Jan. 24, 1995
5308410 Process for producing high strength and high toughness aluminum alloy May. 3, 1994
5306359 Method and apparatus for heat treating Apr. 26, 1994
5273594 Delaying final stretching for improved aluminum alloy plate properties Dec. 28, 1993
5226983 High strength, ductile, low density aluminum alloys and process for making same Jul. 13, 1993
5194102 Method for increasing the strength of aluminum alloy products through warm working Mar. 16, 1993
5178695 Strength enhancement of rapidly solidified aluminum-lithium through double aging Jan. 12, 1993
5171374 Rapidly solidified superplastic aluminum-lithium alloys and process for making same Dec. 15, 1992
5120372 Aluminum casting alloy for high strength/high temperature applications Jun. 9, 1992
4929283 Vapor phase artificial aging of metal alloys using fluorochemicals May. 29, 1990
4897125 Method of heat treatment of AL-based alloys containing Li and the product obtained by the method Jan. 30, 1990
4840682 Low temperature underaging process for lithium bearing alloys Jun. 20, 1989
4820488 Aluminum alloy Apr. 11, 1989
4812178 Method of heat treatment of Al-based alloys containing Li and the product obtained by the method Mar. 14, 1989
4629517 High strength and corrosion resistant aluminum article and method Dec. 16, 1986
4019927 Products forged in aluminum alloys with improved mechanical characteristics and a method for obtaining same Apr. 26, 1977

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