ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,727, issued on Sept. 30, was assigned to HERRMANN ULTRASCHALLTECHNIK GMBH & Co. KG (Karlsbad, Germany).

"Sonotrode having coated inlet portion" was invented by Raquel Roussel-Garcia (Pforzheim, Germany), Robin Alexander Bode (Pforzheim, Germany) and Tobias Rosenkranz (Ettlingen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sonotrode or ultrasonic welding apparatus for ultrasonically processing a material, including a sealing surface adapted to contact the material to be processed, a rear surface opposite to the sealing surface, and a circumferential lateral surface connecting the sealing surface to the rear surface, the lateral surface ...