Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11272821 | Floor treatment system and method for operating such a system | Heiko Blumhardt, Barbara Pfister, Christoph Wäller, Christian Hofner | 2022-03-15 |
| 10362918 | Self-propelled and self-steering floor cleaner and method for cleaning a floor surface | Christian Hofner, Heiko Hoennige, Barbara Pfister, Markus Duenne, Norman Kohler +3 more | 2019-07-30 |