| 2524117 | Vacuum cleaner | |||
| 2484491 | Movable filter type suction cleaner | |||
| 2404657 | Transmission | |||
| 2302548 | Vacuum cleaner | |||
| 2244165 | Suction cleaner | |||
| 2242163 | Vacuum cleaner and the like apparatus | |||
| 2202999 | Suction cleaner | |||
| 2046684 | Suction cleaner | |||
| 1936761 | Suction cleaner | |||
| 1631549 | Vacuum cleaner |