Portable water purifier
US5019252A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Feb 6, 1990 |
| Grant date | May 28, 1991 |
| Priority date | — |
| Expiry date | Feb 6, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2313/44
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A portable water-purifying means comprising an oblong pump room containing a hand pump therein and an oblong water-purifying room containing a water-purifying means therein and being equipped on its upper side with a water outlet in a casing equipped with a water inlet. The pump room and the water-purifying room are arranged in parallel to each other with a partition separating the two rooms, and these rooms communicate with each other through a passage arranged on their bottom sides. The water inlet and the passage are provided respectively with check valves which operates to limit flow of water to the direction from the inlet to the water-purifying room.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.