Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12256875 | Portable hard surface cleaning appliance | Juergen Zuger, Saulius Martinkenas, Christoph Frohmader, Hannes Belz, Daniel Krohm | 2025-03-25 |
| 10258207 | Portable hard surface cleaning appliance | Anne Oberländer, Sandra L. Bartel | 2019-04-16 |
| 8186005 | Vacuum cleaning device | Uli Haeussermann | 2012-05-29 |
| 7867304 | Method for cleaning the filters of a vacuum cleaner and vacuum cleaner for carrying out said method | Uli Haeussermann | 2011-01-11 |
| 6891874 | Laser amplifier system | Steffen Erhard, Adolf Giesen | 2005-05-10 |
| 6577666 | Laser amplification system | Steffen Erhard, Adolf Giesen, Martin Karszewski, Andreas Voss | 2003-06-10 |
| 6438152 | Laser amplification system | Karsten Contag, Steffen Erhard, Adolf Giesen, Martin Karszewski, Andreas Voss | 2002-08-20 |