ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,675, issued on March 11, was assigned to NIPPON THERMOSTAT Co. LTD. (Kiyose, Japan).
"Thermostat device" was invented by Tetsuya Nishimura (Kiyose, Japan) and Masayuki Numata (Kiyose, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The thermostat device includes a housing having a valve seat formed thereinside, a thermo-element having one end inserted inside the housing, a valve body seated on or separated from the valve seat by the extension/contraction of the thermo-element, a coil spring biasing the valve body toward the valve seat, and a frame supporting one end of the coil spring. The housing has a hollow body part opening at one end, pai...