ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,593, issued on March 24, was assigned to PI.LU.VIA. SRL (Sant'Ilario d'Enza, Italy) and EUROTRE S.R.L. (Castelnovo di Sotto, Italy).
"Non-refillable cylinder" was invented by Giacomo Lugari (Sant'Ilario d'Enza, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A non-refillable cylinder that includes a hollow container body designed to hold pressurized gas, with a port for gas release. A one-way valve is securely coupled to the port through a threaded clamping portion. The valve is designed with a specially shaped end that prevents its removal from the container body. The valve is movable between a pressurization position, where it prevents gas l...