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:
Oct. 11, 2011
Filed:
Jun. 10, 2005
Bruce Allen Boehrs, Blaine, MN (US);
Paul Anthony Wendt, Bloomington, MN (US);
Gregory L. Reichter, Bloomington, MN (US);
Stephen W. Sabelko, Prescott, WI (US);
Bruce Allen Boehrs, Blaine, MN (US);
Paul Anthony Wendt, Bloomington, MN (US);
Gregory L. Reichter, Bloomington, MN (US);
Stephen W. Sabelko, Prescott, WI (US);
Donaldson Company, Inc., Minneapolis, MN (US);
Abstract
An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes strips of media comprising corrugated sheets secured to facing sheets and forming inlet and outlet flutes secured to one another in a stack. Blocked stacked arrangements and slanted stacked arrangements are shown. Such stacked media is provided with molded end pieces to secure and seal opposite side edges of the media strips. Also described are serviceable filter cartridges and air cleaners including the filter cartridges.