ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,248, issued on Sept. 15, was assigned to Kawasaki Jukogyo K.K. (Kobe, Japan).

"Method for constructing triple-shell tank" was invented by Takanori Komatsu (Kobe, Japan), Masato Terabayashi (Kobe, Japan) and Makoto Nakayama (Kobe, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for constructing a triple shell tank including an inner tank, an intermediate tank, and an outer tank each having a roof and a side plate includes the following procedure. An intermediate tank roof is temporarily fixed onto an inner tank roof, and further an outer tank roof is temporarily fixed onto the intermediate tank roof to form a connected roof body. An ou...