Patent · US Expired

Membrane for the protection of buildings

US7698858B2 · kind B2 · utility

18Cited by

16References

22Claims

0Family size

Assignee

EWALD DÖRKEN AG · DE

Inventors

Jörn Schröer · Herdecke, DE
Heinz Peter Raidt · Dortmund, DE
Norbert Klingelhage · Wetter, DE

Key dates

Filing date	May 28, 2004
Grant date	Apr 20, 2010
Priority date	—
Expiry date	Dec 28, 2024

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02A50/00
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A studded membrane is proposed for the protection of buildings with a drainage and slip surface formed on the reverse side thereof. This ensures that water is drained

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