US 12,186,689 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 Jul. 19, 2022, as Appl. No. 17/868,482.
Application 17/868,482 is a continuation of application No. 17/365,217, filed on Jul. 1, 2021, granted, now 11,400,394.
Application 17/365,217 is a continuation of application No. 16/915,288, filed on Jun. 29, 2020, abandoned.
Application 16/915,288 is a continuation of application No. 16/040,821, filed on Jul. 20, 2018, granted, now 10,695,700, issued on Jun. 30, 2020.
Application 16/040,821 is a continuation of application No. 15/372,062, filed on Dec. 7, 2016, granted, now 10,046,256, issued on Aug. 14, 2018.
Application 15/372,062 is a continuation of application No. 12/995,926, granted, now 9,545,587, issued on Jan. 17, 2017, previously published as PCT/US2009/046131, filed on Jun. 3, 2009.
Claims priority of provisional application 61/058,337, filed on Jun. 3, 2008.
Prior Publication US 2022/0362694 A1, Nov. 17, 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)] 19 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;
(b) a pleated filter media construction operably held within the interior volume;
(i) the pleated filter media construction including a cylinder of pleated filter media having an open filter interior;
(ii) an inner filter support within the filter interior;
(c) a ring secured to the housing; the ring having an exterior and an interior;
(i) the exterior of the ring defining mounting threads;
(ii) the exterior of the ring having an outwardly facing first groove;
(iii) the exterior of the ring having an outwardly facing second groove,
(iv) the ring having a flange radially extending therefrom and axially between the first groove and second groove;
(d) a first seal member held by the ring in the first groove;
(e) a second seal member held by the ring in the second groove;
(f) an extension extending from the housing over a portion of the ring and against the first seal member;
(i) the extension of the housing terminating in the ring between the first seal member and second seal member; and
(ii) a seal being formed between and against the first seal member and the extension.