ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,346, issued on April 15, was assigned to EAGLE INDUSTRY Co. LTD. (Japan).
"Fluid control valve" was invented by Hideki Higashidozono (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid control valve having extremely high responsiveness not only when a pressure of a working fluid of a first flow path is high but also when the pressure of the working fluid of the first flow path is low includes: a valve seat; a valve body contacting and separating from the valve seat; a first biasing member biasing the valve body in a valve closing direction; and a second biasing member having a spring force lower than that of the first biasing member, wherei...