Modular flat filter assembly and method of making same
US5460719A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 29, 1993 |
| Grant date | Oct 24, 1995 |
| Priority date | — |
| Expiry date | Oct 29, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D35/303
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A flat filter assembly may be installed in relatively narrow spaces which would otherwise be wasted such as the space beside a kitchen cabinet and the basin of a kitchen sink, inside a freezer door or on a countertop. The filter assembly includes a housing, preferably U-shaped, having a plurality of transversely extending ribs, formed in the opposed side walls of the housing, which reinforce the housing and which cause a generally serpentine flow of water through the housing during operation of the filter. Protrusions preferably are formed in the housing in addition to the ribs to strengthen further the housing and to aid in preventing the formation of channels through the granulated filter medium contained within the housing. The filter housing is preferably manufactured via a blow molding process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.