Vacuum cleaner
US6974488B2 · kind B2 · utility
81Cited by
14References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 28, 2002 |
| Grant date | Dec 13, 2005 |
| Priority date | — |
| Expiry date | Jun 23, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/03
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A vacuum cleaner with an external surface incorporates a cyclonic separating apparatus that includes a plurality of cyclones arranged in parallel with one another. The cyclones each have a tapered body with an outside wall and are arranged so that at least a part of each outside wall forms part of the external surface of the vacuum cleaner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.