US Patent Issued to Defensya Ingenieria Internacional on March 3 for "System to eliminate sound noise inside a receptacle" (Spanish Inventor)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,397, issued on March 3, was assigned to Defensya Ingenieria Internacional S.L. (Madrid).

"System to eliminate sound noise inside a receptacle" was invented by Alberto Adarve Lozano (Madrid).

According to the abstract* released by the U.S. Patent & Trademark Office: "System that prevents the transmission of sound noise from the outside to a receptacle based on the use of a vacuum chamber that surrounds the receptacle to be protected, for this purpose the system comprises: A first receptacle (1), which is a hermetic one with rigid walls. A second receptacle (2) or outer receptacle enveloping the first receptacle and separated from the previous one by a separation chamber (3) and wi...