Liquid filter arrangement and methods
US7955502B2 · kind B2 · utility
18Cited by
130References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2009 |
| Grant date | Jun 7, 2011 |
| Priority date | — |
| Expiry date | Dec 22, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/4076
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A liquid filter arrangement is provided, as well as methods of assembly and use. The liquid filter arrangement includes an anti-drain back valve assembly therein. Advantageous features, relating to a preferred filter cartridge and preferred anti-drain back valve arrangement, are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.