ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,078, issued on May 27, was assigned to GE Infrastructure Technology LLC (Greenville, S.C.).

"Extraction impeller for axial compressor" was invented by Moorthi Subramaniyan (Bengaluru, India) and Navaneeth Kishan T R (Kadugodi, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "An extraction impeller for an axial compressor includes first vanes having an elongated S-shape arranged on the surface of an impeller body. The first vanes extend radially from an outer flow inlet edge of the body to a flow outlet hub centered on the surface at the rotation axis. A radially inner end of each of the first vanes connects at the flow outlet hub in a direction ...