Water treatment devices and cartridges therefor
US8215492B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2008 |
| Grant date | Jul 10, 2012 |
| Priority date | — |
| Expiry date | Feb 21, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2307/06
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A cartridge for treating water capable of releasably engaging a water treatment device. The cartridge includes a housing, an inlet for introducing untreated water into the cartridge, an outlet port for egress of treated water from the cartridge, and a treatment media for treating untreated water that is in fluid communication with the inlet and the outlet port. The cartridge includes a first tube and a second tube, wherein each of the tubes comprise an inside surface, an outside surface, a proximal end, and a distal end, where the inside surface and/or the outside surface is a sealing surface. The first tube extends from the housing and surrounds the outlet port. At least a portion of the first tube or the second tube surrounds the other such that a gap is formed between the first tube and the second tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.