ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,261, issued on July 21, was assigned to Robert Bosch GmbH (Stuttgart, Germany).
"Shut-off valve, and hydrogen tank system comprising shut-off valve" was invented by Andreas Rau (Stuttgart, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A shut-off valve for hydrogen tank systems includes a main valve having a reciprocally movable valve member which is formed of one or more pieces and interacts at one end with a valve seat and delimits at another end a control chamber. A control valve has a reciprocally movable control valve piston for opening and closing a housing-side of a control valve seat via which the control chamber can be connected to ...