DS

David R. Sigler

General Motors: 12 patents #18 of 1,450Top 2%
📍 Shelby Charter Township, MI: #3 of 95 inventorsTop 4%
🗺 Michigan: #117 of 10,373 inventorsTop 2%
Overall (2020): #6,457 of 565,922Top 2%
12
Patents 2020

Issued Patents 2020

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
10857619 Control of intermetallic compound growth in aluminum to steel resistance welding Tyson W. Brown, Blair E. Carlson, Amberlee S. Haselhuhn 2020-12-08
10857618 Improving mechanical performance of Al-steel weld joints by limiting steel sheet deformation Amberlee S. Haselhuhn, Blair E. Carlson 2020-12-08
10766095 Mating electrodes for resistance spot welding of aluminum workpieces to steel workpieces Hui Wang, Blair E. Carlson, Michael J. Karagoulis 2020-09-08
10751830 Welding electrode for use in a resistance spot welding workpiece stack-ups that include an aluminum workpiece and a steel workpiece David Yang 2020-08-25
10730133 Electrode weld face design Amberlee S. Haselhuhn, Blair E. Carlson 2020-08-04
10682724 Resistance spot welding of aluminum-to-aluminum, aluminum-to-steel, and steel-to-steel in a specified sequence and using a cover Blair E. Carlson, Michael J. Karagoulis 2020-06-16
10682723 Resistance spot welding steel and aluminum workpieces with electrode having insert Blair E. Carlson, James G. Schroth, David Yang, Anil K. Sachdev 2020-06-16
10675704 Alternately direct resistance spot welding of Al-to-Al, al-to-steel, and steel-to-steel with welding electrode having oxide-disrupting structural features Blair E. Carlson, Michael J. Karagoulis 2020-06-09
10675703 Al-steel weld joint Blair E. Carlson, Surender Maddela 2020-06-09
10675702 Joining of light metal alloy workpieces to steel workpieces using resistance spot welding and adhesive Blair E. Carlson 2020-06-09
10625367 Method of resistance spot welding aluminum to steel Blair E. Carlson, Surender Maddela 2020-04-21
10610956 Welding electrode cutting tool and method of using the same Blair E. Carlson, Michael J. Karagoulis, James G. Schroth 2020-04-07