Air purifier and air purifying system
US11566800B2 · kind B2 · utility
0Cited by
9References
16Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 17, 2020 |
| Grant date | Jan 31, 2023 |
| Priority date | — |
| Expiry date | Dec 30, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2273/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A handheld air purifier may include a suction body provided with a suction surface having a first and second frame, a fan to suction air, and a filter to filter suctioned air, a bending portion extending rearward from the suction body to bend upward, and a handle extending further from the bending portion and held by the user. The second frame may be provided behind the first frame and may include a protrusion that penetrates through the first frame to create a gap between the suction surface and a garment being treated to promote a free airflow through the handheld air purifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.