ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,505, issued on May 20, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).
"Underwater tools with sacrificial battery" was invented by Huseyin Rahmi Seren (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "An untethered device includes a tool including circuitry, a ballast weight mechanically attached to the tool, and including a dissolvable ballast, and a sacrificial battery including a first electrode provided by the dissolvable ballast and an electrolytic solution provided by a fluid surrounding the untethered device. The sacrificial battery powers the circuitry."
The patent was filed on Jan. 30, 2024, under Application No. 1...