DS

David R. Sigler

General Motors: 9 patents #18 of 1,408Top 2%
Overall (2021): #10,690 of 548,734Top 2%
9
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11132986 Tailored panel assembly and method of manufacturing the same Anil K. Sachdev, Raja K. Mishra, Jon T. Carter, Tyson W. Brown, Blair E. Carlson +2 more 2021-09-28
11123816 Aluminum alloy to steel welding process James G. Schroth, Blair E. Carlson, Yelena Myasnikova, David Yang 2021-09-21
11084119 Electrode for resistance spot welding of dissimilar materials David Yang, Blair E. Carlson, James G. Schroth, Michael J. Karagoulis 2021-08-10
11065710 Resistance spot welding workpiece stack-ups having a steel workpiece and an aluminum workpiece with a steel plate Blair E. Carlson, Charles E. Jensen 2021-07-20
11065711 High aspect ratio weld face design for dissimilar metal welding Amberlee S. Haselhuhn 2021-07-20
11045894 Weld schedule for resistance spot welding of aluminum alloy workpieces Michael J. Karagoulis 2021-06-29
10981243 Multi-step direct welding of an aluminum-based workpiece to a steel workpiece Blair E. Carlson, Yelena Myasnikova, Michael J. Karagoulis 2021-04-20
10981244 Resistance welding electrode Hui Wang, Blair E. Carlson, Amberlee S. Haselhuhn, Michael J. Karagoulis 2021-04-20
10940557 Programmable polarity module for DC resistance spot welding Michael J. Karagoulis 2021-03-09