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:
Dec. 28, 2021
Filed:
Nov. 22, 2019
Applicant:
Donaldson Company, Inc., Minneapolis, MN (US);
Inventors:
Philip Edward Johnson, Apple Valley, MN (US);
Jonathan G. Parsons, Lino Lakes, MN (US);
Assignee:
Donaldson Company, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/02 (2006.01); B01D 29/33 (2006.01); B01D 46/00 (2006.01); B01D 46/24 (2006.01); B01D 27/08 (2006.01); B01D 29/31 (2006.01); B01D 35/00 (2006.01);
U.S. Cl.
CPC ...
B01D 29/33 (2013.01); B01D 27/08 (2013.01); B01D 29/31 (2013.01); B01D 35/005 (2013.01); B01D 46/0005 (2013.01); B01D 46/2411 (2013.01); B01D 2201/304 (2013.01); B01D 2201/306 (2013.01); B01D 2265/027 (2013.01); B01D 2265/029 (2013.01); B01D 2265/05 (2013.01); B01D 2271/02 (2013.01); B01D 2279/60 (2013.01);
Abstract
A filter assembly includes a filter head and filter cartridge. The filter cartridge includes a housing and element. The housing includes a can with an open mouth. An interface ring is secured to the can adjacent to the open mouth. The outer ring surface is against the inner wall of the can. The ring wall is angled between the first and second ends greater than one degree and less than 6 degrees. Methods of filtering and making the housing are provided.