ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,644, issued on Nov. 4, was assigned to HANON SYSTEMS (Daejeon, South Korea).

"Scroll compressor" was invented by Kwang Jin Kim (Daejeon, South Korea), Kyung Jae Lee (Daejeon, South Korea), Jong Hyun Jeon (Daejeon, South Korea) and Soo Cheol Jeong (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A scroll compressor, more particularly, a scroll compressor capable of minimizing deformation of a valve plate of an injection valve assembly, and maintaining a flat shape of the gasket retainer, since deformation is not transmitted to an inner side portion of the gasket retainer supporting an injection valve even when the bead portion of t...