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:
Mar. 16, 2021
Filed:
Dec. 29, 2017
Applicant:
Donaldson Company, Inc., Minneapolis, MN (US);
Inventor:
Gary J. Rocklitz, Burnsville, MN (US);
Assignee:
Donaldson Company, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 29/03 (2006.01); B01D 46/52 (2006.01); B01D 25/26 (2006.01); B01D 35/00 (2006.01);
U.S. Cl.
CPC ...
B01D 29/031 (2013.01); B01D 25/26 (2013.01); B01D 35/005 (2013.01); B01D 46/522 (2013.01); B01D 46/523 (2013.01); B01D 46/525 (2013.01); B01D 46/526 (2013.01);
Abstract
Pleated filtration media, media packs, filter elements, and methods for filtering fluid are provided which contain three dimensional flutes in the media surface, the flutes configured to improve filter performance. In certain embodiments the flutes have defined peaks that reduce masking between adjacent pleats, the flutes have ridges along their length to modify flute cross sectional geometry, and/or the flutes provide for volume asymmetry across the media.