Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10934599 | Device for treating metal workpieces with cooling gas | Torsten Hesse, Marc Warmbold, Matthias Rink, Markus Reinhold | 2021-03-02 |
| 9890999 | Industrial heat treating furnace that uses a protective gas | Marc Angenendt | 2018-02-13 |
| 9188392 | Method and industrial furnace for using a residual protective gas as a heating gas | Wilhelm van de Kamp | 2015-11-17 |
| 8246901 | Retort furnace for heat treating metal workpieces | Heinz Schwall | 2012-08-21 |