ALEXANDRIA, Va., July 16 -- United States Patent no. 12,360,030, issued on July 15, was assigned to KRUSS GmbH (Hamburg, Germany).

"Method and apparatus for measuring a receding contact angle" was invented by Thomas Willers (Hamburg, Germany) and Katrin Oetjen (Schenefeld, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for measuring a receding contact angle between a sample surface and a drop of a liquid is provided. The method includes ejecting a dosing volume of the liquid from an opening onto the sample surface such that the liquid is ejected as a continuous jet at a defined flow rate for a defined dosing time period, and the opening comprises an opening diameter. The dosing volume of the...