ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,653, issued on April 22, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Scroll compressor" was invented by Byungkil Yoo (Seoul, South Korea), Jungsun Choi (Seoul, South Korea) and Seheon Choi (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A scroll compressor includes a plurality of fixing protrusions that are provided spaced apart from each other in a key that constitutes an Oldham ring, and an orbiting scroll, to which the key is coupled, or a ring body of the Oldham ring may be provided with a plurality of fixing grooves which are spaced part from each other and into which the plurality of fixing protrusions are resp...