ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,377, issued on Nov. 3, was assigned to EXAIL (Saint-Germain-en-Laye, France).

"Subsea automotive system travelling along a pipeline" was invented by Sebastien Grall (Saint-Germain-en-Laye, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a subsea automotive system including a unit for moving coaxially along a pipeline, an elongated body, at least three bearing members each bearing in a mobile, rolling or sliding manner on the pipeline to roll/slide in a stable manner at least parallel to the pipeline, an articulated side arm supporting a bearing member, enabling the bearing member to move transversely to the body between an open pos...