US 11,944,921 B2
Filtration container assemblies and methods
Nancie Weston, Camano Island, WA (US); Travis Merrigan, Bremerton, WA (US); and Michael Bargiel, Phoenix, AZ (US)
Assigned to GRAYL INC., Seattle, WA (US)
Filed by GRAYL INC., Seattle, WA (US)
Filed on Aug. 25, 2023, as Appl. No. 18/238,367.
Application 18/238,367 is a continuation of application No. 17/508,790, filed on Oct. 22, 2021.
Application 17/508,790 is a continuation of application No. 16/927,609, filed on Jul. 13, 2020, granted, now 11,179,657, issued on Nov. 23, 2021.
Application 16/927,609 is a continuation of application No. 13/926,496, filed on Jun. 25, 2013, granted, now 10,710,007, issued on Jul. 14, 2020.
Claims priority of provisional application 61/826,460, filed on May 22, 2013.
Claims priority of provisional application 61/675,267, filed on Jul. 24, 2012.
Claims priority of provisional application 61/664,073, filed on Jun. 25, 2012.
Prior Publication US 2023/0405498 A1, Dec. 21, 2023
Int. Cl. B01D 29/60 (2006.01); A61M 5/315 (2006.01); B01D 33/01 (2006.01); B01D 33/42 (2006.01); A47J 31/00 (2006.01); A47J 31/20 (2006.01); C02F 1/00 (2023.01)
CPC B01D 29/60 (2013.01) [B01D 33/01 (2013.01); B01D 33/0116 (2013.01); B01D 33/42 (2013.01); A47J 31/005 (2013.01); A47J 31/20 (2013.01); A61M 5/31513 (2013.01); B01D 2313/20 (2013.01); B01L 2300/0681 (2013.01); B01L 2400/0478 (2013.01); C02F 1/002 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A filtration container assembly, the assembly comprising:
an outer container having a first open end and a second closed end and defining an inner cavity; and
a plunging assembly having a longitudinal axis and being configured to be received at least partially within the inner cavity of the outer container, wherein the plunging assembly includes an inner sleeve having a first end and a second end and an outer wall, the plunging assembly defining an inner bore, a filtration assembly in fluid communication with the inner bore, and a seal movable between first and second surfaces of the plunging assembly, wherein the seal includes a first portion coupled to the plunging assembly and disposed in an annular groove, the first portion having a width extending along the longitudinal axis between a first end at or near a first end of the groove and a second end at or near the second end of the groove, and a second portion coupled to the first portion at an interface, the interface spaced along the longitudinal axis from each of the first and second ends of the first portion, and wherein the plunging assembly is configured to filter a liquid as the liquid moves from the inner cavity of the outer container through the filtration assembly to the inner bore of the plunging assembly.