Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11638887 | Filter unit | Ralf Griesbach | 2023-05-02 |
| 10126241 | Measuring apparatus, measuring and evaluation apparatus and measurement data system | Ralf Griesbach | 2018-11-13 |
| 9210937 | Composition for destroying thread algae | — | 2015-12-15 |
| 8582103 | Bulbless spectrometer | Achim Sack, Ralf Griesbach | 2013-11-12 |
| 8496120 | Filter network | — | 2013-07-30 |
| D681486 | Spectrophotometer | — | 2013-05-07 |
| 7384777 | Microbiological culture for triggering microbiological processes in water | Peter Söll, Robert Muller | 2008-06-10 |
| 6569342 | Process for treating waters, soils, sediments and/or silts | Stefan Nowicki, Kai-Uwe Ulrich, Gerald Jakobson | 2003-05-27 |
| 6419836 | Composition for treatment of water and reconditioning of soils | — | 2002-07-16 |