Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10612674 | Valve, in particular a vacuum valve | Friedrich Geiser, Rico Rohner | 2020-04-07 |
| 8827241 | Door for sealing an opening | Friedrich Geiser, Cedric Wagner | 2014-09-09 |
| 7604065 | Process and device for extinguishing metal fires | Reinhard Effenberger | 2009-10-20 |