US 12,434,178 B2
Filtration devices and associated filter element
Mirko Massara, Borgo Mantavano (IT); Stefano Bertelli, Magnacavallo (IT); Alessandro Torresani, Nogara (IT); Fabrizio Buratto, Sustinente (IT); Isacco Pavanelli, Sermide e Felonica (IT); Miloslav Krystufek, Brussels (BE); Luca Ghisu, Bierbeek (BE); John K. Aune, Edina, MN (US); and Gert Willems, Edegem (BE)
Assigned to Donaldson Company, Inc., Bloomington, MN (US)
Filed by Donaldson Company, Inc., Bloomington, MN (US)
Filed on Nov. 8, 2023, as Appl. No. 18/504,411.
Application 18/504,411 is a continuation of application No. 17/342,121, filed on Jun. 8, 2021, granted, now 11,839,844.
Claims priority of provisional application 63/036,536, filed on Jun. 9, 2020.
Prior Publication US 2024/0066445 A1, Feb. 29, 2024
Int. Cl. B01D 35/30 (2006.01); B01D 29/33 (2006.01); B01D 35/027 (2006.01)
CPC B01D 35/306 (2013.01) [B01D 29/33 (2013.01); B01D 35/027 (2013.01); B01D 2201/0461 (2013.01); B01D 2201/295 (2013.01); B01D 2201/301 (2013.01); B01D 2201/4092 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A filter cartridge for use in a filter housing main part, said filter cartridge having a longitudinal axis, comprising:
filter media surrounding an open filter interior;
said filter media having first and second, opposite, ends;
a first end cap at one end of and secured directly to said filter media;
wherein
said first end cap comprises a central portion and a radial extension arrangement comprising one or more radial extensions extending radially away from said central portion;
said one or more radial extensions comprise an angular extent around said longitudinal axis which totals at least 20° and less than 340°; and
said radial extension arrangement comprises a threaded portion.