US Patent Issued to Philip Morris USA on Feb. 24 for "Compound horizontal filter assembly machine and process" (Virginia Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,557,837, issued on Feb. 24, was assigned to Philip Morris USA Inc. (Richmond, Va.).

"Compound horizontal filter assembly machine and process" was invented by Michael S. Braunshteyn (Richmond, Va.) and Raquel M. Olegario (Richmond, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and processes for producing compound cigarette filters by horizontally assembling multiple filter segments onto the horizontally oriented transverse flutes of a continuous belt. Spaced apart hoppers are serially arranged above the belt, and each hopper contains at least one of the multiple segments of the compound filter being assembled. A transfer structure betwe...