Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10920309 | Method for producing a nitrided packaging steel | Burkhard Kaup, Blaise Massicot | 2021-02-16 |
| 9650692 | Method for producing packaging steel | Anika Szesni, Helmut Oberhoffer, Martin Schlupp, Reiner Sauer | 2017-05-16 |
| 9623473 | Method for producing a ring-pull top from a steel sheet provided with a protective layer and a ring-pull top produced thereby | Karl Ernst Friedrich, Burkhard Kaup, Reiner Sauer | 2017-04-18 |