Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6695008 | Liquid distributor for columns | Emil Fehr, Markus Fischer | 2004-02-24 |
| 6631860 | Guide member for a liquid jet to be deflected | Christian Bachmann, Emil Fehr | 2003-10-14 |
| 6540213 | Column comprising a base between filler body sections | Christian Bachmann, Emil Fehr | 2003-04-01 |