US 12,263,419 B2
Filter element and associated filter media providing fuel water separation using surface embossing
Jason L. Tate, Thompsons Station, TN (US); Sreevalli Bokka, Akron, OH (US); and Swarna Agarwal, Modesto, CA (US)
Assigned to Parker-Hannifin Corporation, Cleveland, OH (US)
Filed by Parker-Hannifin Corporation, Cleveland, OH (US)
Filed on Feb. 23, 2022, as Appl. No. 17/678,522.
Application 17/678,522 is a continuation of application No. PCT/US2020/047394, filed on Aug. 21, 2020.
Claims priority of provisional application 62/989,409, filed on Mar. 13, 2020.
Claims priority of provisional application 62/891,452, filed on Aug. 26, 2019.
Prior Publication US 2022/0203265 A1, Jun. 30, 2022
Int. Cl. B01D 17/04 (2006.01); B01D 17/00 (2006.01); B01D 29/33 (2006.01); B01D 46/00 (2022.01); B01D 46/52 (2006.01)
CPC B01D 17/045 (2013.01) [B01D 17/10 (2013.01); B01D 29/333 (2013.01); B01D 46/001 (2013.01); B01D 46/521 (2013.01)] 43 Claims
OG exemplary drawing
 
1. A method of processing filter media, comprising the steps of:
a. providing a layer of filtration media having a surface with a predetermined roughness; and
b. contacting the surface of the layer of filtration media with a device having a selected roughness, selected from the group consisting of a roller or plate, to impart a greater roughness to a portion of the surface of the layer of filtration media than the predetermined roughness, wherein contacting the surface of the layer of filtration media includes the step of compressing the layer of filtration media with the device.