Patent · US Expired

Filter module

US7857969B2 · kind B2 · utility

1Cited by

22References

23Claims

0Family size

Assignee

Pall Corporation · US

Inventors

Gerhard Strohm · Dexheim, DE
Georg Schnieder · Bad Kreuznach, DE

Key dates

Filing date	Sep 13, 2004
Grant date	Dec 28, 2010
Priority date	—
Expiry date	Sep 13, 2024

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2201/34
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter module has layers of a filter medium between which are draining elements. The draining layers and the filter layers are stacked on one another, and the draining layers are sealed on alternate sides by sealing elements.

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