Surface cleaning apparatus
US10687679B2 · kind B2 · utility
15Cited by
13References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2017 |
| Grant date | Jun 23, 2020 |
| Priority date | — |
| Expiry date | Jun 9, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB04C2009/008
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An upright surface cleaning apparatus such as an extractor has an upright section moveably mounted to a surface cleaning head. The upright section comprises a first stage liquid separator and a second stage cyclone separator, wherein the cyclone separator is positioned above and downstream from the first stage liquid separator when the upright section is in the storage position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.