ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,880, issued on Feb. 17, was assigned to TECAN TRADING AG (Mannedorf, Switzerland).

"Method and device for detecting contact of a pipette tip with a liquid as well as a laboratory system with such a device" was invented by Luca Frei (Rapperswil, Switzerland), Pascal Dieterich (Wetzikon, Switzerland), Sabrina Harsch (Zurich, Switzerland), Nemanja Popovic (Zurich, Switzerland) and Benjamin Dorner (Munich).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for detecting contact of a pipette tip with a surface of a liquid in a pipetting device is disclosed. The method consists of moving the pipette tip in the direction of the surface of the liquid th...