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. 20, 2013
Filed:
Aug. 11, 2011
Patrick Golden, Roseville, MN (US);
Gregory L. Reichter, Bloomington, MN (US);
Daniel T. Risch, Burnsville, MN (US);
Patrick Golden, Roseville, MN (US);
Gregory L. Reichter, Bloomington, MN (US);
Daniel T. Risch, Burnsville, MN (US);
Donaldson Company, Inc., Minneapolis, MN (US);
Abstract
An approach to providing folded flute ends in z-filter media is provided. The approach generally involves providing an initial deformation in a flute or corrugation to form at least one foldable tip and then folding the at least one foldable tip over. Techniques for both supported deformation and unsupported deformation are provided. Preferred corrugated media having fold arrangements, filter constructions having such fold arrangements, and filter system using such filter constructions are provided.