ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,351, issued on May 27, was assigned to General Electric Co. (Evendale, Ohio).

"Asymmetric flow path topology" was invented by Thomas Kupiszewski (Liberty Township, Ohio), Jeffrey Douglas Rambo (Mason, Ohio) and Emily Rosette Clark (Cincinnati).

According to the abstract* released by the U.S. Patent & Trademark Office: "Flow paths and boundary layer restart features are provided. For example, a flow path comprises a flow path wall defining an inner flow path surface and an asymmetric notch defined in the flow path wall. The asymmetric notch comprises a first surface and a second surface and is asymmetric about a first line extending through an intersection of the first and second ...