Patent · US Active

Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration

US8557115B2 · kind B2 · utility

5Cited by
2References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 11, 2012
Grant dateOct 15, 2013
Priority date
Expiry dateMay 11, 2032

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.