US Patent Issued to RTX on Sept. 22 for "Interlocking plate heat exchanger" (Connecticut Inventor)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,309, issued on Sept. 22, was assigned to RTX Corp. (Farmington, Conn.).

"Interlocking plate heat exchanger" was invented by James F. Wiedenhoefer (Windsor, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for making a heat exchanger includes machining a plate of material having a starting thickness and at least one alignment feature. The machining includes machining down the starting thickness to produce a heat exchanger plate having at least one flow passage segment and at least two ribs arranged extending along each side of the at least one flow segment. The at least one alignment feature is removed to provide a trimmed heat exchange...