ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,505, issued on May 12, was assigned to Oceaneering International Inc. (Houston).

"Remotely deployed and operated drone-based sealed tank inspections" was invented by Nikunj Patel (Katy, Texas), Samao Silva (Houston) and Matthew Smith (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A remotely deployed and operated drone-based sealed tank inspector comprises a direct replacement of normal hatch cover which is a sealed hatch cover comprising electrical penetrations, a sealing cable transit, and a predetermined set of eyelets for retention of lifting slings, and is handled using small hoist and parking stand. Drone-based inspections, including ul...