ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,852, issued on April 7, was assigned to Engineered Controls International LLC (Elon, N.C.).
"Cryogenic fluid shut-off valve" was invented by Guangbin Cao (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "Shut-off valves for cryogenic fluids are disclosed herein. A shut-off valve includes a body that defines void(s) in fluid communication with a valve inlet and a valve outlet. The shut-off valve includes a valve seat defined by the body, a housing connected to the body, and a valve spindle disposed within the housing. The valve spindle includes a seat disc configured to sealingly engage with the valve seat. The shut-off valve includes a buffer...