Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420258 | Diatomaceous earth composition with a low endotoxin content | Florian Hebenstreit, Andreas Pickl | 2025-09-23 |
| 12285708 | Liquid filtering method and system | Sebastian Pruehl, Andreas Pickl, Roland Leetsch, Adam Gilbert, Martin Purshouse | 2025-04-29 |
| 11911741 | Diatomaceous earth composition with a low endotoxin content | Florian Hebenstreit, Andreas Pickl | 2024-02-27 |
| 11877982 | Media filtration device | Holger Linne, Andreas Graus, Stefan Schlack | 2024-01-23 |
| 11826720 | Diatomaceous earth composition containing salt water | Andreas Pickl, Florian Hebenstreit | 2023-11-28 |
| 11806675 | Method of vacuum membrane filtration | Sebastian Pruehl, Juliane Grossmann, Michael Schuetzler | 2023-11-07 |
| 11666840 | Liquid filtering system | Sebastian Pruehl, Andreas Pickl, Roland Leetsch, Adam Gilbert, Martin Purshouse | 2023-06-06 |
| 11541357 | Filter module and method for detecting microorganisms | Roland Leetsch, Sebastian Pruehl | 2023-01-03 |
| 11426696 | Connection device for a suction apparatus of a vacuum diaphragm filter | Sebastian Pruehl, Michael Schuetzler, Juliane Grossmann | 2022-08-30 |
| 10233476 | Apparatus and method for analyzing a contaminated surface | — | 2019-03-19 |
| 10184101 | Nutrient medium unit and method for holding a filter from a filtration device | — | 2019-01-22 |
| 9790462 | Device and method for treating a filtration medium | Alexandra Scholz | 2017-10-17 |
| 9404075 | Device and method for treating a filtration medium | — | 2016-08-02 |
| 9156594 | Closure for a nutrient medium container | Andreas Graus | 2015-10-13 |
| 9017995 | Liquid-transport and analytical test device | Eric Jallerat, Darius Haeusler, Markus Hollas, Uwe Andag | 2015-04-28 |
| 8951788 | Filtration unit and method for the microbiological analysis of liquid samples | — | 2015-02-10 |
| 8697436 | Single use, disposable diaphragm valve in which the valve body and sealing membrane are welded to one another | Andreas Graus | 2014-04-15 |