ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,056, issued on Sept. 23, was assigned to VAT Holding AG (Haag, Switzerland).
"Valve, in particular a vacuum valve" was invented by Hanspeter Frehner (Sevelen, Switzerland) and Martin Netzer (Bludenz, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve on which a valve plate is arranged in a valve housing interior space of a valve housing and fixed to a shaft, in which the valve plate together with the shaft can be displaced back and forth in directions parallel to a shaft longitudinal axis between a closed position and an intermediate position, and by rotation of the shaft about the shaft longitudinal axis can be pivoted back and forth b...