ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,937, issued on Sept. 2, was assigned to Viega Technology GmbH & Co. KG (Attendorn, Germany).
"Valve for regulating the flow of a medium" was invented by Jorg Rosenthal (Reichshof-Eckenhagen, Germany) and Jan Wessels (Olpe, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve for regulating the flow of a medium, with a housing, with at least three valve discs, wherein at least one valve disc is arranged in the housing so as to be non-rotatable, wherein at least two valve discs are arranged so as to be rotatable relative to the at least one valve disc arranged so as to be non-rotatable, wherein the valve discs each have at least one passage ...