High performance, high efficiency filter
US7097694B1 · kind B1 · utility
92Cited by
65References
6Claims
0Family size
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Key dates
| Filing date | Dec 4, 2003 |
| Grant date | Aug 29, 2006 |
| Priority date | — |
| Expiry date | Feb 12, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/724
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A high performance, high efficiency filter is provided by a multi-stage filter having combinations of tribologically different fibers, nanofibers, and layering.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.