ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,986, issued on Nov. 18, was assigned to Stark Future S.L. (Sitges, Spain).
"Valve for battery" was invented by Anton Wass (Sitges, Spain) and Paul Soucy (Sitges, Spain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve for a battery is provided to expel the air in case of overpressure generated in a battery includes from an external body (2) and a plunger (3) that travels inside it pushed by the battery pressure. The valve presents two opening positions and is coupled to a plunger (3), at least: -a first O-ring (5) that closes the passage of the air when there is no pressure and opens it when the plunger (3) moves at a first position from a give...