Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9661971 | Vacuum-cleaning robot | — | 2017-05-30 |
| 9526388 | Upright vacuum | Martin Zydke | 2016-12-27 |
| 8127399 | Self-propelled vacuum-cleaning device | Horst Dilger, Dieter Kaffenberger | 2012-03-06 |
| 6823559 | Front brush attachment device for vacuum cleaner | Dieter Kaffenberger | 2004-11-30 |
| 6796350 | Vehicle tire having non-uniformly profiled tread with respect to its center | Manfred Gerresheim, Saburo Miyabe, Hideaki Sugihara | 2004-09-28 |
| 6672735 | Suction head for a suction cleaning device | Horst Dilger, Dieter Kaffenberger | 2004-01-06 |
| 6672351 | Vehicle tire with continously reducing vertical spacing of tread surface with respect to breaker | Manfred Gerresheim, Saburo Miyabe, Hans Winter | 2004-01-06 |
| 6668887 | Vehicle tire with reinforcement beneath overwide circumferential tread groove | Manfred Gerresheim, Saburo Miyabe, Hans Winter | 2003-12-30 |
| 5351362 | Active vacuum cleaner nozzle | Wilfried Kramer | 1994-10-04 |
| D333022 | Suction cleaner nozzle | Wilfried Kramer, Otto Illesy | 1993-02-02 |