Patent · US Expired

Water filter unit

US5188727A · kind A · utility

40Cited by
11References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 10, 1992
Grant dateFeb 23, 1993
Priority date
Expiry dateMar 10, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F1/003
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

An improved water filter unit including a casing having a removable snap-type cover with the casing mountable to a surface or free standing. The casing including a plurality of removable different type water filter cartridges, each of which includes a pair of different water filters, connected to a manifold formed in the casing. The casing including a pair of change water filter indicators.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.