Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method of imparting a fine grain structure to aluminum alloys having precipitating constituents

Method of imparting a fine grain structure to aluminum alloys having precipitating constituents

US Patent 4222797 · Granted Sep 16, 1980

Estimated economic value: $2,310,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

High durability structures of amorphous alloy and a method of forming2019
Methods to fabricate fully enclosed hollow structures using friction stir weldin2013
Methods to fabricate fully enclosed hollow structures using friction stir weldin2012
Friction stir weld tool and method2006
Apparatus and method for forming weld joints having compressive residual stress 2005
Thick-section metal forming via friction stir processing2005
Metal superplasticity enhancement and forming process2004
Interface preparation for weld joints2003
Linear friction welded brake shoe assembly2001
Friction stir welding pin with internal flow channels2001
Thermal barrier coating stress measurement2000
Method to repair voids in aluminum alloys1999