Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10408173 | Filter element | Michael Kaufmann | 2019-09-10 |
| 10337471 | Filter and filter cartridge | Michael Kaufmann | 2019-07-02 |
| 10337472 | Filter and filter cartridge | Michael Kaufmann | 2019-07-02 |
| 10293294 | Air filter system and air filter element for an air filter system | Michael Kaufmann | 2019-05-21 |
| 10245541 | Air filter system, air filter element and method for exchanging an air filter element | Michael Kaufmann | 2019-04-02 |