Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10294536 | Cooling element with spacer | Andreas Sommer, Reiner Kelsch, Dieter Hartmann | 2019-05-21 |
| 10000823 | Method and device for partially hardening sheet metal components | Dieter Hartmann, Roland Ziegler | 2018-06-19 |
| 8597441 | Method for producing partially hardened steel components | Andreas Sommer, Dieter Hartmann | 2013-12-03 |