ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,848, issued on Sept. 9, was assigned to Aurora & Gloria Hong Kong Technology Co. Ltd. (Hong Kong).
"Electric heavy-load push-pull tool" was invented by Yuxuan Zhao (Xi'an, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an electric heavy-load push-pull tool including a power input unit, a power conversion unit and a power output unit. Through the transmission design of multiple stages of reducers and a planetary roller screw of a downhole operation tool, low-speed and high-torque power output of the motor is realized. The heavy-load push-pull tool provided by the present disclosure can not only provide large-torque thrust force, bu...