Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10478037 | Method for operating a floor-cleaning device and floor-cleaning device | Michael Schahpar, Harold Artes | 2019-11-19 |
| 10362918 | Self-propelled and self-steering floor cleaner and method for cleaning a floor surface | Christian Hofner, Christian Wurm, Heiko Hoennige, Barbara Pfister, Norman Kohler +3 more | 2019-07-30 |
| 8823487 | Cleaning apparatus and method for controlling access to a cleaning apparatus | Christian Hofner, Juergen Walz | 2014-09-02 |
| 7992245 | Cleaning tool and cleaning device having such a cleaning tool | Michael Schuetz, Juergen Walz, Wilhelm Eisenmann, Alexander Fuchs, Ruwantha De Silva +2 more | 2011-08-09 |