Issued Patents 2019
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10456856 | Welding electrode cutting tool and method of using the same | David R. Sigler, Blair E. Carlson | 2019-10-29 |
| 10335891 | Weld face design for spot welding | David R. Sigler | 2019-07-02 |
| 10335892 | Weld electrode for attractive weld appearance | David R. Sigler, James G. Schroth | 2019-07-02 |
| 10272515 | Power pulse method for controlling resistance weld nugget growth and properties during steel spot welding | David R. Sigler | 2019-04-30 |
| 10259071 | Resistive welding electrode and method for spot welding steel and aluminum alloy workpieces with the resistive welding electrode | David R. Sigler, Blair E. Carlson, David P. Kelly | 2019-04-16 |
| 10245675 | Multi-stage resistance spot welding method for workpiece stack-up having adjacent steel and aluminum workpieces | David R. Sigler, Blair E. Carlson | 2019-04-02 |