RS

Robert T. Szymanski

General Motors: 11 patents #1,393 of 18,328Top 8%
Overall (All Time): #451,775 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11471972 Combined stackup apparatus for resistance spot welding Amberlee S. Haselhuhn, David R. Sigler 2022-10-18
10239152 Friction stir welding bobbin tool Blair E. Carlson, Yuri Hovanski, Spyros P. Mellas, Kenneth A. Ross 2019-03-26
10058949 Resistance spot welding steel and aluminum workpieces using insertable cover Blair E. Carlson, David Yang, David R. Sigler, Anil K. Sachdev 2018-08-28
8960523 Friction stir welding of dissimilar metals Sri Krishna Chimbli, Mark Hall, Yen-Lung Chen 2015-02-24
8708214 Servo-controlled rotating clamping device for use with a friction stir spot welding apparatus Bradley J. Blaski 2014-04-29
8561877 Structural integrity welded assembly Blair E. Carlson, Mark Cunningham 2013-10-22
8052028 Device for use with a friction stir spot welding (FSSW) apparatus Mark Hall, Yen-Lung Chen, Corey C. Holupko 2011-11-08
8052029 Method of calibrating a friction stir spot welding system David R. Sigler, Blair E. Carlson, Mark Hall 2011-11-08
8033443 Anvil with rolling elements for friction stir welding David R. Sigler, Yen-Lung Chen 2011-10-11
8011560 Apparatus and method of solid-state welding Yen-Lung Chen, Mark Hall, Robert L. Totten, Xiaohong Q. Gayden, Gregory A. Fischer 2011-09-06
7997472 Friction stir welding using an adhesive, copper, tin and zinc interlayer Sri Krishna Chimbli, Mark Hall, Yen-Lung Chen 2011-08-16