US 12,168,191 B2
Spin-on filter with external threads and methods
Brian Tucker, Farmington, MN (US); Bradley S. Honermann, Prior Lake, MN (US); Gary H. Gift, Richfield, MN (US); Brent A. Gulsvig, Faribault, MN (US); Kent Mehlhop, Arlington, MN (US); John R. Hacker, Minneapolis, MN (US); and Mark S. Emery, Minneapolis, MN (US)
Assigned to Donaldson Company, Inc., Bloomington, MN (US)
Filed by Donaldson Company Inc., Bloomington, MN (US)
Filed on May 19, 2022, as Appl. No. 17/748,542.
Application 15/373,209 is a division of application No. 12/995,937, granted, now 9,555,347, issued on Jan. 31, 2017, previously published as PCT/US2009/046139, filed on Jun. 3, 2009.
Application 17/748,542 is a continuation of application No. 16/983,303, filed on Aug. 3, 2020, granted, now 11,344,829.
Application 16/983,303 is a continuation of application No. 16/290,623, filed on Mar. 1, 2019, granted, now 10,729,997, issued on Aug. 4, 2020.
Application 16/290,623 is a continuation of application No. 15/373,209, filed on Dec. 8, 2016, granted, now 10,220,339, issued on Mar. 5, 2019.
Claims priority of provisional application 61/058,337, filed on Jun. 3, 2008.
Prior Publication US 2022/0274038 A1, Sep. 1, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B01D 35/30 (2006.01); B01D 29/11 (2006.01); B01D 29/21 (2006.01); B01D 29/96 (2006.01); B01D 35/00 (2006.01); B01D 35/153 (2006.01); B01D 35/16 (2006.01)
CPC B01D 35/30 (2013.01) [B01D 29/11 (2013.01); B01D 29/111 (2013.01); B01D 29/21 (2013.01); B01D 29/96 (2013.01); B01D 35/005 (2013.01); B01D 35/153 (2013.01); B01D 35/16 (2013.01); B01D 2201/12 (2013.01); B01D 2201/127 (2013.01); B01D 2201/16 (2013.01); B01D 2201/291 (2013.01); B01D 2201/295 (2013.01); B01D 2201/34 (2013.01); B01D 2201/342 (2013.01); B01D 2201/347 (2013.01); B01D 2201/4023 (2013.01); Y10T 29/49879 (2015.01); Y10T 29/49895 (2015.01)] 14 Claims
OG exemplary drawing
 
1. A filter arrangement for threadably securing to a filter head, the filter arrangement comprising:
(a) a housing having a surrounding wall defining an interior volume, an open mouth providing access to the interior volume, and an end opposite of the open mouth; the surrounding wall having an exterior and an interior;
(b) a filter cartridge operably held within the interior volume; the filter cartridge including:
(i) a cylindrical arrangement of filter media;
(ii) a first end cap secured to an end of the filter media;
(iii) a second end cap secured to an end of the filter media opposite of the first end cap;
(iv) a filter element seal member held by the first end cap; and
(v) an inner filter liner surrounded by the filter media;
(c) a sleeve secured to the housing; the sleeve having an exterior and an interior;
(i) the exterior of the sleeve defining mounting threads constructed and arranged to removably mount with the filter head, when the filter arrangement is secured to the filter head;
(ii) the exterior of the sleeve having an outwardly facing first groove;
(iii) the exterior of the sleeve having an outwardly facing second groove,
(iv) the sleeve having a flange radially extending therefrom and axially between the first groove and second groove;
(d) a first seal member held by the sleeve in the first groove;
(e) a second seal member held by the sleeve in the second groove; and
(f) an extension extending from the housing over a portion of the sleeve and against the first seal member;
(i) wherein a seal is formed between and against the first seal member and the extension.