ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,725,239, issued on Sept. 1, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Underwater machinery performance analysis using surface sensors" was invented by Sudheesh S. Kairali (Kozhikode, India) and Sarbajit K. Rakshit (Kolkata, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system, method, and computer program product perform audio-visual inspection at a surface of a liquid over machinery that is operating under the surface. The audio-visual inspection includes each of feeding surface wave movements into a neural network, feeding bubble formation pattern into the neural network, feeding bubble dimensions into the neural ...