ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,736, issued on July 8, was assigned to ECOMEMBRANE SPA (Gadesco-Pieve Delmona, Italy).

"Pneumatic membrane gasometer for the storage of hydrogen gas at low pressure" was invented by Lorenzo Spedini (Cremona, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a pneumatic membrane gasometer for the storage of hydrogen gas at low pressure. The gasometer includes: a first bag-shaped membrane delimiting a hydrogen storage chamber; a second membrane partially delimiting a pressurization chamber superimposed, at least in part, on the storage chamber; a third membrane, placed resting on top of the first membrane, fixed in an impermeable manner...