ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,691, issued on July 15, was assigned to Hyundai Motor Co. (Seoul, South Korea) and Kia Corp. (Seoul, South Korea).

"Air foil bearing and compressor including the same" was invented by Byung Hwa Oh (Yongin-si, South Korea) and Tae Young Kim (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air foil bearing includes a bearing plate having a plate shape and a material layer coupled and fixed to the bearing plate and made of a different material from the bearing plate. A viscoelasticity of the material layer is greater than a viscoelasticity of the bearing plate. A compressor includes an air foil bearing."

The patent was filed on...