ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,447, issued on March 3, was assigned to Kongsberg Discovery AS (Horten, Norway).

"Method for steering an autonomous underwater vehicle along a buried object in the seabed" was invented by Thorbjorn Rekdal (Hovik, Norway) and Trond E. Figenschou Crantz (Hvalstad, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for steering an Autonomous Underwater Vehicle along an object buried below a seabed: the AUV being equipped with at least one acoustic transmitter for generating acoustic signal towards the buried object and the seabed; arranging a first sensor assembly flush with the AUV hull of the starboard side of the AUV for recording reflec...