Patent · US Expired

Method and device for the purification, especially desalination, of water

US7488421B2 · kind B2 · utility

4Cited by

12References

30Claims

0Family size

Assignee

Clean Water Gesellschaft Fuer Wasseraufbereitungstechnik mbH · DE

Inventors

Guenther Hambitzer · Remchingen, DE
Heide Biollaz · Waldshut-Tiengen, DE
Markus Borck · Stuttgart, DE
Christiane Ripp · Remchingen, DE

Key dates

Filing date	Apr 24, 2004
Grant date	Feb 10, 2009
Priority date	—
Expiry date	Jul 9, 2025

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W10/37
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Water processing method, in particular for producing fresh water from salt water by membrane distillation. In comparison with previously known methods, a significant reduction in investment cost and operating cost can be achieved by the combination of the following measures:

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