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:
Jan. 29, 2008
Filed:
Aug. 11, 2004
Applicants:
Eric A. Janikowski, Jefferson, WI (US);
Jason E. Dorgan, Madison, WI (US);
Christopher E. Holm, Madison, WI (US);
Z. Gerald Liu, Madison, WI (US);
Inventors:
Eric A. Janikowski, Jefferson, WI (US);
Jason E. Dorgan, Madison, WI (US);
Christopher E. Holm, Madison, WI (US);
Z. Gerald Liu, Madison, WI (US);
Assignee:
Fleetguard, Inc., Nashville, TN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 27/06 (2006.01); B01D 29/07 (2006.01);
U.S. Cl.
CPC ...
Abstract
A direct flow filter includes a pleated filter element filtering fluid flowing axially therethrough parallel to the wall segment pleat tip bend lines. Embossments on the wall segments have a height extending along a lateral direction into a respective flow channel to maintain channel width and guiding and directing fluid axially into and along the flow channels from the upstream ends of the wall segments.