ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,467, issued on Oct. 14, was assigned to GEA Tuchenhagen GmbH (Buchen, Germany).
"Double seat valve" was invented by Frank Leiter (Schwarzenbek, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A double seat valve including a first closure element that can be brought into sealing contact with a first valve seat, a second closure element that can be brought into sealing contact with a second valve seat, a sensor object coupled to the first closure element, and a sensor apparatus that interacts with the sensor object is disclosed. The sensor apparatus comprises a sensor and an electronic evaluation unit. A manipulator designed to interact with th...