US Patent Issued to Volvo Construction Equipment on May 20 for "Noise reducing resonator in a surface compaction machine" (Pennsylvania Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,342, issued on May 20, was assigned to Volvo Construction Equipment AB (Eskilstuna, Sweden).

"Noise reducing resonator in a surface compaction machine" was invented by Hongan Xu (Mechanicsburg, Pa.) and David Clark (Mechanicsburg, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A resonator assembly for a surface compaction machine comprising a resonator housing (36) defining an internal cavity, the resonator housing comprising a first head plate (242) comprising a plurality of first cutouts (44); and a plurality of first extension tubes (246), wherein each first extension tube of the plurality of first extension tubes is coupled to the first head...