ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,601, issued on April 22, was assigned to TECHNION RESEARCH & DEVELOPMENT FOUNDATION Ltd. (Haifa, Israel).

"Heat engine" was invented by Carmel Rotschild (Haifa, Israel) and Joseph Cassell (Haifa, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for converting heat to mechanical work includes providing incoming heat transfer liquid (HTL) at a first temperature to a plurality of mixing chambers, providing incoming compressed gas at a second temperature to the plurality of mixing chamber, enabling the gas and the HTL to mix, producing a gas-and-HTL mix, enabling the HTL in the gas-and-HTL mix to heat the gas and isothermal expansion of the...