Patent · US Expired

Water quality meter and water monitoring system

US6290908A · kind A · utility

19Cited by
6References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 1999
Grant dateSep 18, 2001
Priority date
Expiry dateMar 29, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02A20/212
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A water quality meter is composed of a plurality of analyzing units for analyzing water samples introduced from a water distribution pipe, each analyzing unit including a reagent mixing cell and a measuring cell, and a liquid introducing unit integrated with the analyzing units, which is composed of a single member in which a plurality of fluid flow paths for feeding various types of liquid including the water sample into the analyzing unit are formed. Furthermore, the cells and the plurality of three-dimensional fluid flow paths formed in the single member are fabricated by a micro-fabrication technique using photo-curing resin.

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