Patent · US Expired

Multi-element filter with multiple pleat channel height

US7323106B2 · kind B2 · utility

52Cited by

15References

6Claims

0Family size

Assignee

Fleetguard, Inc. · US

Inventors

Tadeusz Jaroszczyk · Stoughton, US
Mark A. Terres · Stoughton, US
Scott W. Schwartz · Cottage Grove, US
Eric A. Janikowski · Jefferson, US
Jeffrey S. Morgan · Stoughton, US
Barry M. Verdegan · Stoughton, US
Scott P. Heckel · Stoughton, US
Caryn J. Christianson · Stoughton, US
Jerald J. Moy · Stoughton, US
Murray R. Schukar · Fitchburg, US

Key dates

Filing date	Oct 11, 2005
Grant date	Jan 29, 2008
Priority date	—
Expiry date	Feb 15, 2026

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2275/208
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter has multiple pleated filter elements having axially extending channels having a transverse pleat channel height and a lateral channel width. The pleated filter elements have different channel heights.

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