ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,634, issued on Feb. 10, was assigned to elobau GmbH & Co. KG (Leutkirch, Germany).
"Sensor unit" was invented by Andreas Lieb (Bad Wurzach, Germany) and Wolfgang Keller (Rettenberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sensor unit for a penetrating connection to an installation wall of a hygiene-critical technical installation. The sensor unit has a passage end located inside a hygiene area of the technical installation when in use, a hygiene cover for the passage end, and a connecting device for force-locking connection between hygiene cover and installation wall. The connecting device has an external thread on the sensor unit, ...