Filter apparatus and associated method
US6896803B2 · kind B2 · utility
33Cited by
41References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2003 |
| Grant date | May 24, 2005 |
| Priority date | — |
| Expiry date | Aug 1, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49922
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter apparatus comprises a ring secured to a filter cover so as to engage a center tube extending within a filter element to retain the center tube and the filter element. A method of assembling a filter apparatus is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.