ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,940, issued on Nov. 25, was assigned to Hyundai Motor Co. (Seoul, South Korea), Kia Corp. (Seoul, South Korea) and Ajou University Industry-Academic Cooperation Foundation (Gyeonggi-do, South Korea).

"Methane cracking apparatus" was invented by Jung Han Yu (Gyeonggi-do, South Korea), Joo Young Kim (Gyeonggi-do, South Korea), Yu Kwon Kim (Seoul, South Korea), Hyung Tak Seo (Seoul, South Korea), Jin A Kim (Gyeonggi-do, South Korea) and Young Jae Lee (Gyeonggi-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A methane cracking apparatus includes a supply pipeline that supplies a gas, a reactor having an interior space, and in which a cata...