ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,520, issued on May 5, was assigned to Gaztransport et Technigaz (Saint Remy les Chevreuse, France).

"Sealed and thermally insulating tank" was invented by Bruno Deletre (Saint Remy les Chevreuse, France), Alain Tessier (Saint Remy les Chevreuse, France), Vincent Lorin (Saint Remy les Chevreuse, France), Marc Boyeau (Saint Remy les Chevreuse, France) and Vincent Berger (Saint Remy les Chevreuse, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a sealed and thermally insulating tank for storing fluid, comprising, from the outside to the inside of the tank, a secondary thermally insulating barrier and a secondary sealing mem...