US Patent Issued to Feifan Hu on July 15 for "Electric handle, electric toothbrush and electric cleaning brush" (Chinese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,439, issued on July 15, was assigned to Feifan Hu (Shenzhen, China).

"Electric handle, electric toothbrush and electric cleaning brush" was invented by Feifan Hu (Guangdong, China) and Jiankun Hu (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are an electric handle, an electric toothbrush and an electric cleaning brush. The electric handle comprises a housing, a rear cover, a swing motor and a main control structure. By installing a vibration control mass with limited mass, the rotational inertia of the stator of the swing motor is increased, so that the vibration amplitude of the shell of the swing motor is reduced. It al...