ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,558, issued on Nov. 4, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Heat exchanger having a mixing chamber and protrusions" was invented by Jason Fish (Oakville, Canada) and Gabriel Naccache (Longueuil, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for an aircraft engine, has: an aircraft component; and a heat exchanger having: a housing defining a first inlet, a first outlet, a second inlet, and a second outlet; first conduits within the housing, the first conduits fluidly connecting the first inlet to the first outlet; one or more second conduit within the housing, the one or more second conduits fluidly conne...