Method and apparatus for making filter element, including multi-characteristic filter element
US8231752B2 · kind B2 · utility
10Cited by
103References
59Claims
0Family size
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Key dates
| Filing date | May 30, 2006 |
| Grant date | Jul 31, 2012 |
| Priority date | — |
| Expiry date | Dec 1, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2239/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Method and apparatus are provided for making a filter element by spinning fibers from one or more dies onto a collector, including designated combinations providing designated filter characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.