ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,971, issued on April 29, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Scroll compressor" was invented by Minho Lee (Seoul, South Korea), Sungyong Ahn (Seoul, South Korea), Junghoon Park (Seoul, South Korea) and Seheon Choi (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A scroll compressor is provided that may include a casing, a main frame, a rotational shaft, an orbiting scroll, a fixed scroll, and an oil supply guide. A second oil supply guide of the oil supply guide may be disposed in at least one of the orbiting scroll or the fixed scroll and extend along a thrust bearing surface between the orbiting scroll and t...