Issued Patents 2020
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10857619 | Control of intermetallic compound growth in aluminum to steel resistance welding | Tyson W. Brown, David R. Sigler, Amberlee S. Haselhuhn | 2020-12-08 |
| 10857618 | Improving mechanical performance of Al-steel weld joints by limiting steel sheet deformation | David R. Sigler, Amberlee S. Haselhuhn | 2020-12-08 |
| 10766095 | Mating electrodes for resistance spot welding of aluminum workpieces to steel workpieces | Hui Wang, David R. Sigler, Michael J. Karagoulis | 2020-09-08 |
| 10730133 | Electrode weld face design | Amberlee S. Haselhuhn, David R. Sigler | 2020-08-04 |
| 10682723 | Resistance spot welding steel and aluminum workpieces with electrode having insert | David R. Sigler, James G. Schroth, David Yang, Anil K. Sachdev | 2020-06-16 |
| 10682724 | Resistance spot welding of aluminum-to-aluminum, aluminum-to-steel, and steel-to-steel in a specified sequence and using a cover | David R. Sigler, Michael J. Karagoulis | 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 | David R. Sigler, Michael J. Karagoulis | 2020-06-09 |
| 10675701 | Method and apparatus for resistance spot welding overlapping steel workpieces | David Yang, Wu Tao, Qi Lu | 2020-06-09 |
| 10675702 | Joining of light metal alloy workpieces to steel workpieces using resistance spot welding and adhesive | David R. Sigler | 2020-06-09 |
| 10675703 | Al-steel weld joint | David R. Sigler, Surender Maddela | 2020-06-09 |
| 10675712 | Hot cracking reduction in aluminum laser welding | Hui Wang, Michael G. Poss, Fenggui Lu, Haichao Cui | 2020-06-09 |
| 10625367 | Method of resistance spot welding aluminum to steel | David R. Sigler, Surender Maddela | 2020-04-21 |
| 10610956 | Welding electrode cutting tool and method of using the same | David R. Sigler, Michael J. Karagoulis, James G. Schroth | 2020-04-07 |
| 10591405 | Electrochemical testing for corrosion analysis | Surender Maddela | 2020-03-17 |
| 10577710 | Method of coating body-in-white structure having at least one surface comprising an aluminum alloy | Surender Maddela | 2020-03-03 |