Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8603387 | Water-cooled cover for a treatment vessel for metal melts | Harald Holzgruber, Christian Buchmaier, Johannes Obitz | 2013-12-10 |
| 8097206 | Lance duct for vacuum treatment systems | Harald Holzgruber | 2012-01-17 |