Filter cartridge with a lugged concentric closure portion
US4857189A · kind A · utility
61Cited by
9References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 1988 |
| Grant date | Aug 15, 1989 |
| Priority date | — |
| Expiry date | Oct 13, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/17
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filtering system for water treatment including a head member having inlet and outlet ports and a replaceable, disposable filter cartridge for insertion into the head member, the filter cartridge including a dual lug retaining system for retaining the filter cartridge in the head member, one of said lug retaining systems being disposed on the pressure vessel of the filter cartridge and the other of said lug retaining systems being disposed on the closure member of the filter cartridge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.