ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,654, issued on Dec. 16, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY Co. Ltd. (Ningde, China).

"Ultrasonic welding head and welding device" was invented by Zhongbao Huang (Fujian, China) and Long Zhang (Fujian, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are an ultrasonic welding head and a welding device. The ultrasonic welding head comprises a welding surface and a side surface. The welding surface is provided with a first welding tooth. The first welding tooth is configured to weld members to be welded. The side surface has an extension direction which intersects an extension direction of the welding surface. The ultrasonic w...