Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5021627 | Electrode for resistance welding surface-treated sheets of steel and method of manufacturing such electrodes | Axel Fuchs, Ralf Eck | 1991-06-04 |
| 4713519 | Apparatus for laser beam welding the longitudinal edges of a can | Heinz Juttner, Ulrich Tenhaven | 1987-12-15 |
| 4707385 | Method for directly enameling steel parts using a single enamel coating | Heinrich Warnke, Friedel Kaup, Willi Mertinkat, Ulrich Tenhaven | 1987-11-17 |