US 11,998,891 B2
Geotextile sediment cap with active media
James Thomas Olsta, Bartlett, IL (US); Kristof Benedikt Klaus Thimm, Muenster (DE); and Lilma Ribeiro Schimmel, Fort Mill, SC (US)
Assigned to Huesker, Inc., Charlotte, NC (US)
Filed by HUESKER, INC., Charlotte, NC (US)
Filed on Jun. 12, 2023, as Appl. No. 18/208,420.
Application 18/208,420 is a continuation of application No. 16/183,465, filed on Nov. 7, 2018, granted, now 11,673,117.
Claims priority of provisional application 62/583,139, filed on Nov. 8, 2017.
Prior Publication US 2024/0017244 A1, Jan. 18, 2024
Int. Cl. B01J 20/28 (2006.01); B01J 20/02 (2006.01); C02F 1/28 (2023.01); C02F 103/06 (2006.01)
CPC B01J 20/2805 (2013.01) [B01J 20/02 (2013.01); B01J 20/28011 (2013.01); B01J 20/28016 (2013.01); C02F 1/288 (2013.01); C02F 1/281 (2013.01); C02F 1/283 (2013.01); C02F 2103/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A filtration system, the filtration system comprising:
a mattress formed from a top layer and a bottom layer made of a water permeable geotextile material sufficient to allow water and/or air to pass through while retaining a filtration media;
a plurality of sides that are connected to outer edges of the top and bottom layers of the mattress, thereby defining an outer perimeter of the mattress and enclosing an interior space of the mattress, wherein the plurality of sides are made of the water permeable geotextile material;
the plurality of sides of the mattress are formed from folded portions of the top layer that are sewn to the bottom layer and/or from folded portions of the bottom layer that are sewn to the top layer to form the mattress.