US Patent Issued to Settima Meccanica on June 3 for "Screw assembly for a triple screw pump and screw pump comprising said assembly" (Italian Inventor)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,355, issued on June 3, was assigned to Settima Meccanica S.r.l. (Milan).

"Screw assembly for a triple screw pump and screw pump comprising said assembly" was invented by Manuele Rossi (Ponte dell'Olio, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "Screw assembly (1) for a triple screw pump (10), comprising: a central screw (2) and at least one lateral screw (3) configured to mesh with said central screw (2) with a lateral screw axis (zl) parallel to the central screw axis (zc), wherein a central screw external diameter (Oce) is greater than a lateral screw external diameter (Ole) and a central screw internal diameter (0ci) is smaller than the ...