Uniformly expandable air filter
US11642617B2 · kind B2 · utility
0Cited by
62References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2021 |
| Grant date | May 9, 2023 |
| Priority date | — |
| Expiry date | Nov 2, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F2221/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present disclosure relates to air filters. More particularly, it relates to air filters including pleated filter media that can be uniformly expanded and contracted. In some embodiments, the air filters are adjustably sized air filter systems. In some embodiments, the air filters can be used in a window opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.