ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,766, issued on May 13, was assigned to VERNET (Ollainville, France).
"Thermostatic valve" was invented by William Da Silva (Villeconin, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The valve includes a housing, a thermostatic element, a first shutter displaced by the thermostatic element along an axis relative to a first seat integrated into the housing to control a flow of fluid between the first and second paths, a cage, a first return spring, a second shutter axially displaced by the thermostatic element relative to a second shutter axially displaced by the thermostatic element with respect to a second seat integrated into the cage, a th...