Air purifier
US12313279B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 10, 2021 |
| Grant date | May 27, 2025 |
| Priority date | — |
| Expiry date | May 17, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F2110/20
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An air purifier and methods to sterilize an internal surface of an air purifier. The air purifier includes a removable particulate or gas filter, an air flow generator, a controller for said air flow generator, a first air flow setting with an air filtration air flow speed, and a second air flow setting which correlates with sterilization of an internal surface of the air purifier and/or removable particulate or gas filter. The air flow speed measured at the removable filter at the second air flow setting is from 0.1 to 1.2 cms−1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.