ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,949, issued on Nov. 11, was assigned to HERRMANN ULTRASCHALLTECHNIK GMBH & Co. KG (Karlsbad, Germany).

"Sonotrode having optimized slot geometry" was invented by Matthias Schweitzer (Keltern, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ultrasonic vibration element which vibrates with a longitudinal ultrasonic vibration, the vibration unit is bounded in the longitudinal direction by a rear face and a front face, the front face is either intended to come into contact with a further vibration element or is designed as a sealing surface or adjoins a sealing surface which comes into contact with a material to be processed, wherein a circumf...