ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,138, issued on Nov. 18, was assigned to BANZA STAMPING INDUSTRY Corp. (Su'ao Township, Taiwan).

"Spring-loaded piercing mechanism for a pressurized gas vessel" was invented by Li-Wei Chen (Su'ao Township, Taiwan), Chun-Yi Wang (Su'ao Township, Taiwan) and Shen-Kai Ho (Su'ao Township, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A piercing mechanism for a pressure vessel having a recessed membrane includes an inner housing that receives the pressure vessel and controls longitudinal movement of the vessel. The inner housing is slidably received in an outer housing, which can constrain the inner housing to reciprocating longitudinal movement t...