Multi-throat air filter
US7964011B2 · kind B2 · utility
6Cited by
4References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 25, 2008 |
| Grant date | Jun 21, 2011 |
| Priority date | — |
| Expiry date | Jun 27, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2265/05
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An air filter is provided having a filter body and a throat connected to a bottom of the filter body. The throat includes a plurality of throat sections. Each of the plurality of throat sections has a different inner diameter. The throat may further included molded trim guides for facilitating trimming of the throat at throat section interfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.