Cyclonic vacuum cleaner with improved filter cartridge
US8161599B2 · kind B2 · utility
90Cited by
7References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2009 |
| Grant date | Apr 24, 2012 |
| Priority date | — |
| Expiry date | Jul 27, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB04C5/185
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An upright cyclonic vacuum cleaner comprises juxtaposed first and second filters for filtering a working airstream on both the inlet and outlet sides of a vacuum motor. The first and second filters can be mounted in a common frame in the upright housing of the vacuum cleaner. The first and second filters can be juxtaposed to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.