ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,271, issued on March 24.
"Pneumatic pressure controller" was invented by Ettienne Antonius Goutier (Cape Town, South Africa).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pneumatic pressure controller includes a body, an inflation plunger, a vent and a deflation diaphragm or piston. The body defines an input chamber and an output chamber for connection of a pneumatic pressure source and pneumatic container respectively. The plunger is biased towards a closed condition wherein it inhibits fluid flow from the input chamber to the output chamber and is movable against the bias to allow such fluid flow for inflation of the pneumatic container. The di...