ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,121, issued on June 23, was assigned to Hyundai Motor Co. (Seoul, South Korea) and Kia Corp. (Seoul, South Korea).
"Coupling device for pressure vessel" was invented by Seong Nyeong Park (Hwaseong-si, South Korea) and Do Hyeon Kim (Hwaseong-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment coupling device includes a boss disposed at an end of a pressure vessel that is configured to store a target fluid, the boss including an inflow/outflow path through which the target fluid is introduced or discharged and a guide hole disposed in a reference direction orthogonal to a longitudinal direction of the pressure vessel and a man...