US Patent Issued to UNIVERSITA' DEGLI STUDI DI ROMA "LA SAPIENZA" on May 19 for "Multidirectional hysteretic damper endowed with negative stiffness" (Italian Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,041, issued on May 19, was assigned to UNIVERSITA' DEGLI STUDI DI ROMA "LA SAPIENZA" (Rome).

"Multidirectional hysteretic damper endowed with negative stiffness" was invented by Andrea Salvatore (Rome), Biagio Carboni (Rome) and Walter Lacarbonara (Rome).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a mechanical device to be connected in series or in parallel to a structure to be protected from dynamic stresses so as to vary mechanical features of the system and control the general dynamic behavior. The mechanical device is a multi-purpose rheological element employable in various applications including vibration isolation, vibration abso...