ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,644, issued on Nov. 3, was assigned to SEGULA ENGINEERING (Courbevoie, France).
"Device for energy conversion" was invented by Thibault Neu (Chateau-Thebaud, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for isothermal expansion and compression of a gas, ensuring the compression of the gas by consuming mechanical energy and the restitution of the mechanical energy by the expansion of the gas. The device includes at least two liquid pistons movable in at least two chambers each including a gas that is able to be compressed or expanded by movement of the liquid pistons. A mechanical actuator, including at least one solid piston, ensure...