Filter device and fume extraction device comprising filter device
US11885505B2 · kind B2 · utility
1Cited by
3References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2019 |
| Grant date | Jan 30, 2024 |
| Priority date | — |
| Expiry date | Feb 8, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2275/206
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter device for a fume extraction device includes at least two filter elements arranged at an angle relative to one another, and a holding frame for holding the at least two filter elements. An edge of one of the at least two filter elements lies adjacent to an edge of the other one of the at least two filter element. Each of the at least two filter elements has a surface with a variable distance between opposite outer faces of the filter element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.