ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,514, issued on July 14, was assigned to RTX Corp. (Farmington, Conn.).

"Actuated frame and tail cone for exhaust channel track selection" was invented by Gregory M. Chere (Glastonbury, Conn.), Simon W. Evans (Farmington, Conn.) and Jesse M. Chandler (S Windsor, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft propulsion system includes a dual exhaust path assembly that includes actuatable blocker doors moveable between a bypass configuration for directing the exhaust gas flow through an outer passage and a heat exchange configuration for directing the exhaust gas flow through a heat exchanger assembly."

The patent was filed on July ...