US 12,006,643 B2
Sound dampening barrier wall
Keith A. Sanders, Litchfield Park, AZ (US)
Assigned to Mute Wall Systems, Inc., Peoria, AZ (US)
Filed by Mute Wall Systems, Inc., Peoria, AZ (US)
Filed on May 26, 2021, as Appl. No. 17/330,615.
Claims priority of provisional application 63/030,844, filed on May 27, 2020.
Prior Publication US 2021/0372060 A1, Dec. 2, 2021
Int. Cl. E01F 8/00 (2006.01); G10K 11/16 (2006.01)
CPC E01F 8/0011 (2013.01) [E01F 8/0023 (2013.01); E01F 8/0029 (2013.01); G10K 11/16 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A wall panel, comprising:
a block of expanded polystyrene including a cylindrical opening formed completely through the block;
a resonator tube disposed in the opening of the block, wherein the resonator tube is formed of a cylindrical metal tube;
a sound dampening material disposed within the resonator tube; and
an inlet pipe extending through the base material into the resonator tube.