US Patent Issued to NATIONAL UNIVERSITY OF DEFENSE TECHNOLOGY on Aug. 12 for "Thin-layer low-frequency underwater sound insulation metamaterial" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,387,705, issued on Aug. 12, was assigned to NATIONAL UNIVERSITY OF DEFENSE TECHNOLOGY (Changsha, China).

"Thin-layer low-frequency underwater sound insulation metamaterial" was invented by Honggang Zhao (Changsha, China), Yang Wang (Changsha, China), Chao Wang (Changsha, China), Junhui Cao (Changsha, China) and Jihong Wen (Changsha, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a thin-layer low-frequency underwater sound insulation metamaterial, including two cover plates and a sound insulation layer. The sound insulation layer is composed of sound insulation components arranged in an array periodically. The sound ...