ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,947, issued on Sept. 2.
"Solenoid valve" was invented by Hugh Johnson (Fordingbridge, Great Britain) and Andrew Mcmillen (Christchurch, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A solenoid valve for controlling a fluid flow comprises an actuating member moveable between a first position and a second position. Movement of the actuating member in one direction effects opening of the valve and movement of the actuating member in an opposite direction effects closing of the valve. The solenoid valve comprises a biasing member for biasing the actuating member towards the first position; and an armature moveable in response to energisin...