Air purifier and air purifying system
US11739960B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 17, 2020 |
| Grant date | Aug 29, 2023 |
| Priority date | — |
| Expiry date | Mar 19, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/70
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An air cleaning or purifying system includes a main air cleaner or purifier having an upper seating surface that is at least partially flat and at least one portable air purifier having a base configured to be seated on re lifted from the upper seating surface. The main air purifier and the portable air purifier may each have a filter and a fan. The air main and portable air purifiers may operate together. The portable air purifier may be moved to another room, or may be seated on the main air purifier such that various combinations of air purifying modes and air purifying capacities may be performed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.