ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,907, issued on April 29, was assigned to RTX Corp. (Farmington, Conn.).

"Increased water heat absorption capacity for steam injected turbine engine" was invented by Neil J. Terwilliger (Cheshire, Conn.) and Joseph B. Staubach (Colchester, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A turbine engine assembly includes a core engine that generates an exhaust gas flow, a condenser where water is extracted from the exhaust gas flow, an evaporator where heat is input into the water that is extracted by the condenser into a first steam flow, a steam turbine where the first steam flow is expanded and cooled, and a superheater where additional heat i...