Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |