Surface cleaning apparatus
US11717128B2 · kind B2 · utility
1Cited by
17References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2022 |
| Grant date | Aug 8, 2023 |
| Priority date | — |
| Expiry date | Nov 28, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB04C2009/008
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A surface cleaning apparatus such as an extractor has a fluid flow path extending from a dirty fluid inlet head to a clean air outlet. The fluid flow path upstream of the separation stage comprises a removable portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.