ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,495,892, issued on Dec. 16, was assigned to Shenzhen Dingshang Youpin E-commerce Co. Ltd. (Shenzhen, China).
"Electric cleaning brush" was invented by Feifei Liu (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention discloses an electric cleaning brush, including a handle, a baffle and a brush head. The brush head includes a housing, roller brushes and a driving mechanism. The driving mechanism transmits power with a bevel gear set. A motor drives a first bevel gear and a second bevel gear to drive a transmission shaft through a connecting unit, so as to make the roller brushes roll, thereby solving the problem of shifting of a p...