Water filter housing sieve
US9132369B2 · kind B2 · utility
10Cited by
19References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 17, 2013 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | Dec 12, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2307/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A gravity flow water filtration cartridge with a novel sieve system. The sieve system comprises an air vent and a shroud. The sieve system is attached or welded onto a housing bottom or barrel. An air permeable material covers the opening of the air vent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.