Air filter assembly
US5312467A · kind A · utility
28Cited by
14References
9Claims
0Family size
Inventor
Key dates
| Filing date | Oct 23, 1992 |
| Grant date | May 17, 1994 |
| Priority date | — |
| Expiry date | Oct 23, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S95/901
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A window air filtering assembly for repulsive filtering of pollen, dirt and small particulate matter. The air filtering assembly includes a frame assembly and a filtering medium disposed in the frame assembly. The filtering medium is formed from woven, smooth-surfaced microfilament strands having at least 16% of its surface area open.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.