EL

Edward Litwinski

TB The Boeing: 13 patents #704 of 15,756Top 5%
Overall (All Time): #387,318 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7534079 Rivets having high strength and formability Rahmatollah F. Toosky 2009-05-19
6865919 Method and apparatus for producing a refined grain structure Steven G. Keener 2005-03-15
6854634 Method of manufacturing rivets having high strength and formability Rahmatollah F. Toosky 2005-02-15
6843404 Method of manufacturing rivets having high strength and formability Rahmatollah F. Toosky 2005-01-18
6780525 High strength friction stir welding 2004-08-24
6726085 Method and apparatus for producing a refined grain structure Steven G. Keener 2004-04-27
6638381 Method for preparing ultra-fine grain titanium and titanium-alloy articles and articles prepared thereby Steven G. Keener 2003-10-28
6464127 Tooling and methods for circumferential friction stir welding Leo Delangis, Juan Valdez 2002-10-15
6257479 Tooling and methods for circumferential friction stir welding Leo Delangis, Juan Valdez 2001-07-10
6237835 Method and apparatus for backing up a friction stir weld joint Bert E. Syms 2001-05-29
6227430 FSW tool design for thick weld joints Charles D. Rosen, Juan Valdez 2001-05-08
6045027 Friction stir welding interlocking joint design and method Charles D. Rosen, Juan Valdez 2000-04-04
5971252 Friction stir welding process to repair voids in aluminum alloys Charles D. Rosen, Juan Valdez 1999-10-26