Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5867862 | Vacuum cleaning appliance with telescopic handle | Heinz-Jurgen Ahlf, Rolf Strohmeyer | 1999-02-09 |
| 5766283 | Dust filter bag for a vacuum cleaner | Germann Bumb, Stephan Peter Dieudonne, Stefan Kraut-Reinkober, Ralf Sauer, Bastiaan Schultink | 1998-06-16 |
| 5468271 | Dust filter bag for a vacuum cleaner | Ralf Sauer, Stefan Kraut-Reinkober, Werner Hoyer | 1995-11-21 |
| 4888850 | Vacuum cleaner nozzle arrangement | Paul Lienenluke | 1989-12-26 |
| 4610340 | Overload safety on clutches | Rolf Kramer | 1986-09-09 |
| 4532667 | Floor cleaning device having a replaceable brush assembly | Heinrich Komesker | 1985-08-06 |
| 4458378 | Vacuum cleaner nozzle | — | 1984-07-10 |