ALEXANDRIA, Va., June 9 -- United States Patent no. 12,650,532, issued on June 9, was assigned to Subsea Micropiles Ltd. (Dublin).

"System and method for determining water bottom sediment acoustic properties using a pile driver acoustic source" was invented by Jacques Y. Guigne (Paradise, Canada) and Jonathan B. Machin (Essex, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for mapping acoustic properties of water bottom sediments includes penetrating a piling into the water bottom sediments at a first of a plurality of locations. A first distributed acoustic sensor is inserted adjacent to the first piling. A second piling is driven into sediments at a second location. Acoustic signals ...