Patent · US Active

Filter module

US8128824B2 · kind B2 · utility

1Cited by

1References

20Claims

0Family size

Assignee

Pall Corporation · US

Inventors

Wolfgang Diemer · Schwäbisch Gmünd, DE
Martin Zeiler · Schwäbisch Gmünd, DE
Georg Schnieder · Bad Kreuznach, DE
Gerhard Strohm · Dexheim, DE

Key dates

Filing date	Aug 27, 2010
Grant date	Mar 6, 2012
Priority date	—
Expiry date	Aug 27, 2030

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2201/0461
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter module comprises a non-filtrate draining spacer element, a filter layer, a filtrate draining spacer element, a filter layer, a non-filtrate draining spacer element, a filter layer, and a filtrate draining spacer layer stacked on one another in an axial direction, wherein at least some of the draining spacer elements comprise connecting means around the outer circumference to compress and seal off the filter layers between the draining spacer elements.

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