ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,545, issued on Feb. 17, was assigned to RTX Corp. (Farmington, Conn.).

"Drivetrain for aircraft powerplant with boosted turbine engine" was invented by Paul R. Hanrahan (Sedona, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An assembly for an aircraft powerplant includes a first powerplant component, a differential geartrain, a first clutch, a second clutch and a first turbine engine. The first powerplant component includes a first component rotor. The differential geartrain includes a first geartrain component and a second geartrain component. The first clutch is configured to operatively couple the first geartrain component to the first com...