US Patent Issued to The United States of America as represented by the Secretary of the Army on July 28 for "Metamaterial acoustic barrier using vortex generation for internal circulation" (Maryland Inventor)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,694,860, issued on July 28, was assigned to The United States of America as represented by the Secretary of the Army (Washington).

"Metamaterial acoustic barrier using vortex generation for internal circulation" was invented by Michael V. Scanlon (Laurel, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Metamaterials that may reduce or modify the spectrum of acoustic energy or power (and/or other types of fluid energy or power) via an array of circulation elements, such as vortex diodes are described. Circulation elements may be arranged in various types of arrays (e.g., serial, parallel, etc.) that may be able to form various differently shaped metam...