ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,098, issued on Sept. 29, was assigned to SHENZHEN SUPERLINE TECHNOLOGY Co. LTD. (Shenzhen City, China).
"Rotatable ultrasonic vibration device" was invented by Zhong Wang (Shenzhen City, China) and Jinsong Zhou (Shenzhen City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a rotatable ultrasonic vibration device. The ultrasonic vibration device includes: a shell; a hollow locking rod having a center hole; a piezoelectric transducer surrounding the hollow locking rod; a first amplitude-change pole mounted in the center hole, one end of the first amplitude-change pole being fixedly connected to the hollow locking rod, and at least ...