Cleaner head for a vacuum cleaner
US6334234B1 · kind B1 · utility
136Cited by
86References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 1999 |
| Grant date | Jan 1, 2002 |
| Priority date | — |
| Expiry date | Jan 29, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/03
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An upright vacuum cleaner has a cleaning head for cleaning a surface and an upper body portion mounted on the cleaning head. The upper portion comprises a longitudinally extending axis, at least one cyclone having an air entry port and a motor positioned above the at least one cyclone and in air flow communication with the at least one cyclone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.