RD

R. Jeffrey Ding

NASA: 12 patents #58 of 3,881Top 2%
📍 Athens, AL: #8 of 108 inventorsTop 8%
🗺 Alabama: #510 of 10,951 inventorsTop 5%
Overall (All Time): #421,233 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
8899467 Ultrasonically-assisted thermal stir welding system 2014-12-02
8657179 Weld nugget temperature control in thermal stir welding 2014-02-25
8393520 Pulsed ultrasonic stir welding system 2013-03-12
8393523 Pulsed ultrasonic stir welding method 2013-03-12
8225984 Thermal stir welding process 2012-07-24
8127977 Thermal stir welder 2012-03-06
7980449 Thermal stir welding apparatus 2011-07-19
7568608 Ultrasonic stir welding process and apparatus 2009-08-04
6497355 System for controlling the stirring pin of a friction stir welding apparatus Peter L. Romine, Peter A. Oelgoetz 2002-12-24
6259052 Orbital friction stir weld system Robert W. Carter 2001-07-10
6173880 Friction stir weld system for welding and weld repair Peter L. Romine, Peter A. Oelgoetz 2001-01-16
5893507 Auto-adjustable pin tool for friction stir welding Peter A. Oelgoetz 1999-04-13