ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,602, issued on May 12, was assigned to Geolog S.R.L. (San Giuliano Milanese, Italy).

"Method for determining a flow rate of a drilling mud in a subsoil drilling system" was invented by Antonio Calleri (San Giuliano Milanese, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method for determining a flow rate of a drilling mud in a subsoil drilling system which includes a main duct and a bypass conduit. The bypass conduit has a narrowed section. The method includes: feeding the bypass conduit with drilling mud, coming from a drilling well formed by the system and carrying drilling cuttings; coupling, to the narrowed section, a differential pressure...