ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,906, issued on Sept. 8, was assigned to FPT INDUSTRIAL S.P.A. (Turin, Italy).

"Method and a relative apparatus for producing liquified gases" was invented by Clino D'Epiro (Alpignano, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing liquefied gases includes providing an internal combustion engine with at least one cylinder and an exhaust manifold, providing a flow circuit, which includes the cylinder and connects an air inlet to the exhaust manifold, conveying air along the flow circuit according to a flow direction from the air inlet towards the exhaust manifold, compressing the air along a portion of the flow circuit, an...