ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,578, issued on Dec. 16, was assigned to Stilla Technologies (Villejuif, France).

"Assembly for pressure controlled fluid release and its method therefore" was invented by Remi Dangla (Paris), Nicolas Fernandez (Paris), Etienne Fradet (Arcueil, France) and Gwilherm Jaspard (Villejuif, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an assembly for contactless pressure-controlled release of a fluid comprising a non-compressible compartment, at least two fluids in fluidic contact and enclosed inside the non-compressible compartment, one of the two fluids being compressible, and one channel for fluid flow."

The patent was...