Portable water filtering device
US5569380A · kind A · utility
Inventor
Key dates
| Filing date | Nov 25, 1994 |
| Grant date | Oct 29, 1996 |
| Priority date | — |
| Expiry date | Nov 25, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2201/006
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A device to filter water having a tubular housing with seven chambers therein divided by dividing members and filter screens. The first chamber includes a granular activated carbon filtering medium, the second chamber includes a mixed bed ion exchange resin filter medium, the third chamber being empty, the fourth chamber includes an iodinated filtering medium, the fifth chamber includes a granular activated carbon filtering medium, the sixth chamber has an anion exchange resin filtering medium and the seventh chamber, being adjacent to the sixth chamber and to the outlet port, includes a carbon filtering medium. A faucet adapter is removably connected to the source of water and it is designed to limit the water pressure applied to the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.