Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11272821 | Floor treatment system and method for operating such a system | Christian Wurm, Heiko Blumhardt, Barbara Pfister, Christoph Wäller | 2022-03-15 |
| 10390674 | Method for cleaning a floor surface and floor cleaning device | Juergen Walz, Barbara Pfister, Carsten Eckart | 2019-08-27 |
| 10362918 | Self-propelled and self-steering floor cleaner and method for cleaning a floor surface | Christian Wurm, Heiko Hoennige, Barbara Pfister, Markus Duenne, Norman Kohler +3 more | 2019-07-30 |
| 10338595 | Method for treating a floor surface and floor treating apparatus | Heiko Hoennige, Carsten Eckart | 2019-07-02 |
| 8823487 | Cleaning apparatus and method for controlling access to a cleaning apparatus | Markus Duenne, Juergen Walz | 2014-09-02 |