ALEXANDRIA, Va., May 1 -- United States Patent no. 11,969,817, issued on April 30, was assigned to LISA DRAEXLMAIER GMBH (Vilsbiburg, Germany).
"Device for determining a status of an ultrasonic welding process" was invented by Felix Klimas (Langquaid, Germany), Thomas Herzing (Landshut, Germany), Lutz Lehmann (Landshut, Germany), Daniel Zemann (Landshut, Germany), Gabriel Ertz (Hannover, Germany), Jens Twiefel (Hannover, Germany), Joerg Wallaschek (Hannover, Germany) and Michael Weinstein (Hannover, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device to determine a state of an ultrasound welding process, which can be carried out using an ultrasound tool, includes a sensor element and an evaluatio...