ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,069, issued on Aug. 5, was assigned to Hyundai Motor Co. (Seoul, South Korea) and Kia Corp. (Seoul, South Korea).
"Pressure vessel" was invented by Cheol Hwan Kim (Gyeonggi-do, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pressure vessel includes: a barrel part disposed in a predefined square area and having a diameter corresponding to a length of one side of the square area; a first nozzle member disposed at one end of the barrel part; a second nozzle member disposed at an opposite end of the barrel part; and clamp rings disposed in the square area, positioned outside the barrel part, and configured to lock the first and second nozzl...