ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,691, issued on Feb. 18, was assigned to ENI S.P.A. (Rome).
"Generator of acoustic waves" was invented by Davide Calcagni (San Donato Milanese, Italy), Antonio Carcaterra (Tarquinia, Italy), Vincenzo Milluzzo (San Donato Milanese, Italy) and Simone Baudo (San Donato Milanese, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A generator of acoustic waves for submarine environments has a hollow body that extends along an axis delimited by a first closed end and by a second end that is provided with an acoustic diffuser member. The hollow body has a first cylindrical portion delimited by the first end that houses a first piston and a second cylindri...