US 11,944,927 B2
Filter media packs, methods of making and filter media presses
Jason L Tate, Thompsons Station, TN (US); Farrell F. Calcaterra, Kearney, NE (US); Thomas B. Green, College Grove, TN (US); Charles R. Wick, Pleasanton, NE (US); Ryan M. Pastrana, Franklin, TN (US); and John Michlitsch, Summertown, TN (US)
Assigned to PARKER INTANGIBLES LLC, Cleveland, OH (US)
Filed by Jason L Tate, Thompsons Station, TN (US); Farrell F. Calcaterra, Kearney, NE (US); Thomas B. Green, College Grove, TN (US); Charles R. Wick, Pleasanton, NE (US); Ryan M. Pastrana, Franklin, TN (US); and John Michlitsch, Summertown, TN (US)
Filed on Dec. 9, 2021, as Appl. No. 17/546,264.
Application 17/546,264 is a continuation of application No. 15/896,589, filed on Feb. 14, 2018, granted, now 11,235,270.
Application 15/896,589 is a continuation of application No. PCT/US2016/047283, filed on Aug. 17, 2016.
Claims priority of provisional application 62/243,740, filed on Oct. 20, 2015.
Claims priority of provisional application 62/206,100, filed on Aug. 17, 2015.
Prior Publication US 2022/0096985 A1, Mar. 31, 2022
Int. Cl. B01D 46/00 (2022.01); B01D 46/52 (2006.01)
CPC B01D 46/0001 (2013.01) [B01D 46/522 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A method of forming a filter media pack with a filter media sheet, comprising:
pressing at least one feature into the filter media sheet repeatedly with a stamping press, the stamping press comprising stamping dies, the stamping dies being in a non-roll form;
conveying the filter media sheet forwardly along a travel path while the stamping press is pressing the filter media sheet and engaged with the filter media sheet such that the stamping dies move along forwardly the travel path;
assembling multiple pressed sections of the filter media sheet into the filter media pack; and
reciprocating the stamping dies into and out of engagement for repeatedly pressing the at least one feature with a ram.