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:
Sep. 20, 2022
Filed:
Oct. 29, 2020
Applicant:
Donaldson Company, Inc., Minneapolis, MN (US);
Inventors:
Kurt B. Joscher, Burnsville, MN (US);
Mark C. Shepherd, Apple Valley, MN (US);
Patricia L. Palmby, Wayzata, MN (US);
Assignee:
Donaldson Company, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 29/33 (2006.01); B01D 35/30 (2006.01);
U.S. Cl.
CPC ...
B01D 29/333 (2013.01); B01D 35/306 (2013.01); B01D 2201/12 (2013.01); B01D 2201/295 (2013.01); B01D 2201/301 (2013.01); B01D 2201/4092 (2013.01);
Abstract
A filter cartridge has media construction, a housing, and a first end construction. The first end constructions includes an outer radial wall with circumferentially spaced connecting sections; each connecting section having a plurality of helical profiles extending at a helix angle. The filter cartridge is removably attached to a filter head, which has mating connecting segments. A bowl cartridge assembly is also provided including connecting sections with a plurality of helical profiles.