Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8557185 | Pressure vessel arrangement comprising an external pressure vessel and at least one insert basket | Stefan Geyer, Manfred Gehrig | 2013-10-15 |
| 7858138 | Method for decaffeinating tea | Manfred Gehrig, Stefan Geyer, Birgit Forchhammer, Karin Simon | 2010-12-28 |
| 5087468 | Process for aromatization of treated tea | — | 1992-02-11 |
| 4946695 | Process for the extraction of nonpolar constituents from plant material | Adrian Forster, Stefan Geyer, Roland Schmidt, Manfred Gehrig | 1990-08-07 |
| 4842878 | Process for the extraction of nonpolar constituents of hops | Adrian Forster, Stefan Geyer, Roland Schmidt, Manfred Gehrig | 1989-06-27 |