Issued Patents 2018
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10052710 | Resistance spot welding steel and aluminum workpieces using electrode weld face cover | David R. Sigler, Blair E. Carlson | 2018-08-21 |
| 10010966 | Electrode for resistance spot welding of dissimilar metals | David Yang, David R. Sigler, Blair E. Carlson, James G. Schroth | 2018-07-03 |
| 9999938 | Multi-step direct welding of an aluminum-based workpiece to a steel workpiece | David R. Sigler, Blair E. Carlson, Yelena Myasnikova | 2018-06-19 |
| 9969026 | Weld schedule for resistance spot welding of aluminum alloy workpieces | David R. Sigler | 2018-05-15 |
| 9925617 | Electrode for spot welding | David R. Sigler, James G. Schroth | 2018-03-27 |
| 9914599 | Systems, processes and apparatuses for automated handling of non-ferrous metal objects | Chandra S. Namuduri, Thomas W. Nehl, James J. Abramczyk, Kenneth J. Shoemaker, James S. Dorenbecker | 2018-03-13 |
| 9908199 | Programmable polarity module for DC resistance spot welding | David R. Sigler | 2018-03-06 |