US 12,246,271 B2
Media retention plate for a block underdrain system
Rehan A Mukadam, Albuquerque, NM (US); Roy Yancey, Albuquerque, NM (US); Steve Jantsch, Beaver Falls, PA (US); Kevin Schwarz, Albuquerque, NM (US); and Stan Shmia, Philadephia, PA (US)
Assigned to De Nora Water Technologies, LLC, Colmar, PA (US)
Filed by De Nora Water Technologies, LLC, Colmar, PA (US)
Filed on Apr. 3, 2024, as Appl. No. 18/626,036.
Claims priority of provisional application 63/494,138, filed on Apr. 4, 2023.
Prior Publication US 2024/0335770 A1, Oct. 10, 2024
Int. Cl. B01D 24/46 (2006.01); B01D 24/00 (2006.01); B01D 24/24 (2006.01)
CPC B01D 24/4631 (2013.01) [B01D 24/001 (2013.01); B01D 24/24 (2013.01); B01D 2101/04 (2013.01); B01D 2201/087 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A media retention plate for an underdrain filter block, comprising:
a top surface, and a bottom surface opposite the top surface;
a pair of opposing sidewalls, and a pair of opposing end walls, the pair of opposing sidewalls and the pair of opposing end walls together connecting the top surface and the bottom surface;
a plurality of plate sections formed on the top surface, wherein each plate section further comprises a central protrusion, the central protrusion flanked on either side by a pair of opposing downward sloping surfaces; and
wherein an air slot is formed along a first intersection, the first intersection formed by intersecting a lower edge of the central protrusion and a first end of a downward sloping surface, and
a plurality of legs, wherein each leg is attached to the bottom surface of the media retention plate and is configured for affixation to a top surface of the underdrain filter block.