Nestable framed pleated air filter and method of making
US11179665B2 · kind B2 · utility
1Cited by
40References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 10, 2019 |
| Grant date | Nov 23, 2021 |
| Priority date | — |
| Expiry date | Aug 20, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A nestable framed pleated air filter, including a non-self-supporting, compressible, pleated air filter media with a plurality of oppositely-facing pleats and with a plurality of upstream pleat tips and downstream pleat tips and downstream pleat valleys, the pleated air filter media further including a plurality of bridging filaments that are bonded to at least some of the upstream pleat tips. The filter includes a frame with sidewalls that are angled so that the framed pleated air filter is nestable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.