Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8394279 | Method for regenerating a filter aid | Helmut Meffert, Marianna Pierobon, Tobias Petsch, Julia Brodersen, Hermann Josef Feise +4 more | 2013-03-12 |
| 7993533 | Method for regenerating an auxiliary filtering agent | Helmut Meffert, Marianna Pierobon, Tobias Petsch, Julia Brodersen, Hermann Josef Feise +3 more | 2011-08-09 |