US 12,325,002 B2
Filter assemblies; components and features thereof; and, methods of use and assembly
Richard Osendorf, West St. Paul, MN (US); and Joseph Einberger, Oakdale, MN (US)
Assigned to Donaldson Company, Inc., Bloomington, MN (US)
Filed by Donaldson Company, Inc., Bloomington, MN (US)
Filed on Dec. 19, 2023, as Appl. No. 18/544,762.
Application 18/544,762 is a continuation of application No. 17/734,598, filed on May 2, 2022, granted, now 11,890,565.
Application 17/734,598 is a continuation of application No. 16/744,360, filed on Jan. 16, 2020, granted, now 11,331,609, issued on May 17, 2022.
Application 16/744,360 is a continuation of application No. 15/582,995, filed on May 1, 2017, granted, now 10,576,403, issued on Mar. 3, 2020.
Application 15/582,995 is a continuation of application No. 14/518,102, filed on Oct. 20, 2014, granted, now 9,636,615, issued on May 2, 2017.
Application 14/518,102 is a continuation of application No. 13/662,022, filed on Oct. 26, 2012, granted, now 8,864,866, issued on Oct. 21, 2014.
Claims priority of provisional application 61/712,454, filed on Oct. 11, 2012.
Claims priority of provisional application 61/565,114, filed on Nov. 30, 2011.
Claims priority of provisional application 61/551,741, filed on Oct. 26, 2011.
Prior Publication US 2024/0189750 A1, Jun. 13, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B01D 46/00 (2022.01); B01D 46/24 (2006.01); B01D 46/52 (2006.01)
CPC B01D 46/0005 (2013.01) [B01D 46/2414 (2013.01); B01D 46/527 (2013.01); B01D 2265/021 (2013.01); B01D 2265/026 (2013.01); B01D 2265/06 (2013.01); B01D 2271/027 (2013.01)] 31 Claims
OG exemplary drawing
 
1. A filter cartridge comprising:
(a) filter media comprising pleated media surrounding an open filter interior and having a first end and a second end, wherein a filter cartridge axis extends through the filter media first end and the filter media second end;
(b) an end cap positioned on one of the filter media first end or the filter media second end;
(c) an opposite end cap positioned on the other of the filter media first end or the filter media second end; and,
(d) a housing seal arrangement extending from the end cap in a direction of the axis, the housing seal arrangement comprising:
(i) a radially directed housing seal surface defining a non-circular configuration having at least two, radially outwardly projecting sections alternating with at least two, radially inwardly projecting sections in the radially directed housing seal surface, in a direction around, and relative to, the axis, wherein the radially directed housing seal surface is a surface that engages a housing to provide a seal, in use.