Patent · US Expired

Water purification apparatus

US7578416B2 · kind B2 · utility

24Cited by
27References
25Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 7, 2003
Grant dateAug 25, 2009
Priority date
Expiry dateJul 11, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S210/90
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A water purification apparatus having an inlet and an outlet, and at least one water purification device thereinbetween, wherein the outlet includes at least a first and second water release valve, the first release valve being operable at a first flow rate, and the second release valve being operable at a second flow, is described. Preferably, at least one water release valve is operable at a relatively slow flow rate of generally up to 0.1 liter per minute, and at least one other water release valve is operable at a relatively fast flow rate of, for example, up to 2 liters per minute. The present water purification apparatus provides the operator with the ability to very accurately obtain an exact volume of water desired.

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