ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,804, issued on Sept. 2, was assigned to General Electric Co. (Evendale, Ohio).

"Heat exchangers for gas turbine engines" was invented by Eyitayo James Owoeye (Houston), William D. Gerstler (Niskayuna, N.Y.), Daniel J. Erno (Clifton Park, N.Y.) and Lana Maria Osusky (Rexford, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heat exchanger for a gas turbine engine includes an outer shell extending between a first end and a second end opposite the first end. The outer shell defines a first fluid chamber, a first fluid inlet adjacent the first end, and a first fluid outlet adjacent the second end. The outer shell also defines a first plurality of s...