ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,110, issued on Feb. 24, was assigned to Eaton Intelligent Power Ltd. (Dublin).

"Poppet valve" was invented by Marco Aimo Boot (Turin, Italy), Pierfrancesco De Giovanni (Lecce, Italy) and Luigi Lia (Turin, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A poppet valve, in particular, a hollow poppet valve, can include a valve stem; a valve cap; a valve body comprising a longitudinal axis with a stem end to which the valve stem is arranged and a cap end to which the valve cap is arranged, the valve body further comprising a cavity with a stem opening towards the stem end and a cap opening towards the cap end; wherein the stem opening of the cavit...