Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration packs
US8343347B2 · kind B2 · utility
8Cited by
98References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2009 |
| Grant date | Jan 1, 2013 |
| Priority date | — |
| Expiry date | Feb 4, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F1/444
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention is directed to an alternative compact portable filtration device that can be used in remote locations and includes a single filtration cartridge that provides redundant filtration of the fluid (water). In particular, the device is a dual stage ultrafilter cartridge (apparatus) that is constructed and designed to provide a portable device that can be used in the field, such as during camping or military assignment, and offers two filtration stages (redundant filtration) within a single housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.