Electrostatic filter unit for an air-purification device and air-purification device
US12275017B2 · kind B2 · utility
0Cited by
4References
20Claims
0Family size
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Key dates
| Filing date | Feb 27, 2020 |
| Grant date | Apr 15, 2025 |
| Priority date | — |
| Expiry date | Jun 10, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03C2201/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An electrostatic filter unit for an air-purification device, the filter unit comprising an ionization unit and a separation unit with at least one voltage-carrying collecting electrode and at least one grounded collecting electrode, characterized in that the at least two collecting electrodes are air-permeable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.