The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 21, 2007
Filed:
Jun. 07, 2005
Robert K. Miller, Indianapolis, IN (US);
Z. Gerald Liu, Madison, WI (US);
William C. Haberkamp, Cookeville, TN (US);
Barry M. Verdegan, Stoughton, WI (US);
Murray R. Schukar, Fitchburg, WI (US);
A. Caner Demirdogen, Cookeville, TN (US);
Robert K. Miller, Indianapolis, IN (US);
Z. Gerald Liu, Madison, WI (US);
William C. Haberkamp, Cookeville, TN (US);
Barry M. Verdegan, Stoughton, WI (US);
Murray R. Schukar, Fitchburg, WI (US);
A. Caner Demirdogen, Cookeville, TN (US);
Fleetguard, Inc., Nashville, TN (US);
Abstract
A filter includes first and second sheets of filter media, the second sheet being pleated and forming with the first sheet a plurality of axially extending flow channels having lateral cross-sectional shapes with two adjacent included angles each greater than 45° and less than 75°. Forming apparatus and methods are provided.