ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,981, issued on May 12, was assigned to Ecolab USA Inc. (Saint Paul, Minn.).
"Apparatus for handling and/or measuring a liquid contained in a container and an empty level indicator system for detecting a corresponding empty level" was invented by Thomas Fassbender (Neuss, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus (14) for handling and/or measuring a liquid contained in a container (10) includes an elongate component (18) having a free end (20) and being insertable through a container opening (12) of the container (10) into the interior (22) of the container (10) with said free end (20) first and at least a part of an empty le...