Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D804004 | Air filter element | Pedro Miguel Pereira Madeira, Nadine Sorger | 2017-11-28 |
| 9726123 | Air filter, filter element and filter housing of an air filter | Pedro Miguel Pereira Madeira, Nadine Sorger, Irmgard Thalmann | 2017-08-08 |
| 9644580 | Filter element with retaining surfaces, filter with a filter element and filter housing of a filter | Werner Blossey, Mario Rieger, Robert Hasenfratz, Nadine Sorger, Andreas Weber | 2017-05-09 |
| 9638147 | Filter element with at least one guide crosspiece, filter with a filter element and filter housing of a filter | Robert Hasenfratz, Fabian Wagner, André Roesgen, Christian Thalmann, Frank Pflueger +4 more | 2017-05-02 |
| 9579596 | Air filter element having a specific retaining geometry | Mario Rieger, Werner Blossey, Gelase Mbadinga Mouanda, Sven Epli, Franziska Schulz +4 more | 2017-02-28 |