Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8272094 | Floor care disk | Bernd Falkenstein | 2012-09-25 |
| 5815883 | Vacuum cleaner and a handle for suction lines thereof | Heinz Kaulig | 1998-10-06 |
| 5687450 | Machine, such as a vacuum cleaner, which exhausts a clean gas, which machine has a protective bumper | Heinz Kaulig | 1997-11-18 |
| 5255410 | Vacuum cleaner | Heinz Kaulig | 1993-10-26 |
| D339433 | Vacuum cleaner | Heinz Kaulig | 1993-09-14 |
| 5228169 | Brush type vacuum cleaner | Heinz Kaulig | 1993-07-20 |
| 5141827 | Ion conductor or electrolyte for a galvanic element | Heinz P. Fritz | 1992-08-25 |
| 5056175 | Floor cleaning machine | Heinz Kaulig | 1991-10-15 |
| 5028245 | Vacuum cleaner including filter bag mounting apparatus | Heinz Kaulig | 1991-07-02 |
| 4955106 | Upright vacuum cleaner | Heinz Kaulig | 1990-09-11 |
| 4624025 | Protective device for floor cleaning apparatus | Heinz Kaulig | 1986-11-25 |
| 4235321 | Safety clutch for the drive of floor cleaning machines | — | 1980-11-25 |
| 4220231 | Drive mechanism | Gerhard Richter | 1980-09-02 |