Carbon media filter element
US7070641B1 · kind B1 · utility
63Cited by
36References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2003 |
| Grant date | Jul 4, 2006 |
| Priority date | — |
| Expiry date | May 31, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/31
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A carbon media filter element with urethane frame and seal has a border member composed of urethane providing a combined structural frame and seal extending along the perimeter and providing both the support frame for the media and a seal along the ends of the media sheet retaining carbon granules between backing layers and preventing escape of carbon granules out of the end. Manufacturing apparatus and methods are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.