ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,567, issued on March 11, was assigned to Sanden International (Europe) GmbH (Bad Nauheim, Germany).

"Scroll compressor with direct return of oil from an oil separator into a compression portion" was invented by Manuel Wagner (Gosheim, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a scroll compressor for compressing a fluid, comprising a compression section with an inlet for sucking the fluid into the compression section, an outlet for discharging the compressed fluid out of the compression section, a stationary disk having a stationary spiral, and an orbiting disk having an orbiting spiral. The orbiting disk is orb...