Handheld vacuum cleaner
US12035872B2 · kind B2 · utility
1Cited by
91References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2022 |
| Grant date | Jul 16, 2024 |
| Priority date | — |
| Expiry date | Aug 28, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB04C2009/002
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A vacuum cleaner including a dirty air inlet, a fluid flow path extending from the dirty air inlet to a clean air outlet, a fluid flow motor positioned in the fluid flow path, and a filter assembly positioned in the fluid flow path. The filter assembly including a first cylindrical filter and a second cylindrical filter nested within and removable from the first cylindrical filter. An inner diameter of the first cylindrical filter is smaller than an outer diameter of the second cylindrical filter such that the second cylindrical filter is compressed in order to be nested within the first cylindrical filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.