Patent · US Active

Electrostatic filter unit for an air-purification device and air-purification device

US12275017B2 · kind B2 · utility

0Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 27, 2020
Grant dateApr 15, 2025
Priority date
Expiry dateJun 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.