Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410386 | Device and method for extracting value adding contents from plant based content carriers into a brew liquid | Michael Kohles | 2025-09-09 |
| 9493732 | Method for extracting aromatic substances from solid plant aromatic substance bearers in a brew liquid | Markus Langer | 2016-11-15 |
| 7063790 | Filter candle | Adolf Hahn, Rudolf Flossmann, Harald Gratzer | 2006-06-20 |
| 5957318 | Brewing vessel with manhole opening | Harald Gratzer, Rudolf Flossmann | 1999-09-28 |