ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,093, issued on Oct. 21, was assigned to WAL Fuel Systems USA Inc. (Livonia, Mich.).

"Pressure vessel" was invented by Xiankai Song (Livonia, Mich.), Sami Siddiqui (Livonia, Mich.) and Longhan Chen (Livonia, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pressure vessel may include a body formed of a polymeric material. The body may extend between a first end and a second end. The body may include a center column defining a first inner volume extending between the first end and the second end. A wall may be connected to the center column. The wall may surround the center column and define a second inner volume therebetween. The second inner v...