ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,865, issued on March 18, was assigned to VERNET (Ollainville, France).
"Thermostatic device for controlling the circulation of a fluid, and thermostatic valve comprising such a device" was invented by William Da Silva (Villeconin, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device including a main plug controlling fluid flow between a chamber and an outside of a housing by pressing against a housing seat, and a bypass plug controlling fluid flow between the chamber and a housing lateral passage. The device includes a thermostatic element with a movable part to which the plugs are connected to control backflows. For efficiency, economy a...