Patent · US Active

Electrical purification apparatus having a blocking spacer

US8956521B2 · kind B2 · utility

10Cited by

34References

7Claims

0Family size

Assignee

Evoqua Water Technologies LLC · US

Inventors

Li-Shiang Liang · Harvard, US
Joseph D. Gifford · Harvard, US
John Chan · Vancouver, CA
Lawrence J. Salvo · Stow, US

Key dates

Filing date	Nov 11, 2011
Grant date	Feb 17, 2015
Priority date	—
Expiry date	Nov 11, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/4902
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An electrical purification apparatus and methods of making same are disclosed. The electrical purification apparatus may provide for increases in operation efficiencies, for example, with respect to current efficiencies and membrane utilization.

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