ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,888, issued on April 29, was assigned to GE Infrastructure Technology LLC (Greenville, S.C.).

"Mitigation of rotating stall in turbine section using outer flow control vanes" was invented by Shashwat Swami Jaiswal (Bangalore, India), Moorthi Subramaniyan (Bangalore, India), Gunnar Leif Dan Siden (Greenville, S.C.) and Nisha Singh (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a turbine having an exhaust flow path, an inner turbine wall radially disposed along the exhaust flow path, an outer turbine wall disposed along the exhaust flow path and radially outward from the inner turbine wall, and an outer flow control ...