Patent · US Expired

Water filtration vessel

US5922378A · kind A · utility

44Cited by
5References
18Claims
0Family size

Inventors

Key dates

Filing dateNov 26, 1997
Grant dateJul 13, 1999
Priority date
Expiry dateNov 26, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F2307/04
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

The invention provides a water filtration vessel of the type having an upper reservoir for receiving tap water, a lower reservoir for storing filtered water and a filter-retaining passageway connecting between the upper and the lower reservoirs, further having a dispenser, mounted in communication with the lower reservoir for controllably adding a prequantified amount of a comestible additive to the filtered water.

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