Vacuum cleaner with two stage filtration
US8117713B2 · kind B2 · utility
61Cited by
15References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2006 |
| Grant date | Feb 21, 2012 |
| Priority date | — |
| Expiry date | Feb 21, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4088
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A canister vacuum cleaner comprises a base, a recovery tank, and a clean solution tank. The vacuum cleaner can be used for dry vacuuming, wet vacuuming, and can distribute cleaning solution to a floor surface and has means for a fluid distribution system and a recovery system. The clean solution tank can be filled with a cleaning solution for distribution to a floor surface and the recovery tank is used for collecting dry or liquid matter recovered from vacuuming.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.