Water pitcher filter
US8043502B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 19, 2008 |
| Grant date | Oct 25, 2011 |
| Priority date | — |
| Expiry date | Aug 19, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2307/06
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A filter assembly for a household water filtration apparatus, and a method for filtering water using a household water filtration apparatus are provided. The filter assembly comprises a through-flow cartridge, which has an accessible cavity. The cartridge is removably received in the household water filtration apparatus. The filter assembly further comprises a water permeable enclosure that contains filter media, which is removably received in the accessible cavity. The method comprises opening a through-flow cartridge, depositing a filter packet in the cartridge, closing the cartridge, depositing the cartridge in the household water filtration apparatus, and passing water through the cartridge. Alternately, the filter assembly may be fabricated using polylactic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.