Patents by Inventor Qiong DU

Qiong DU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • CARPET RECOGNITION METHOD APPLICABLE TO ROBOT CLEANER
    Publication number: 20230139503
    Abstract: A carpet recognition method for a robot cleaner. The robot cleaner comprises a sleeve and an ultrasonic sensor, wherein the ultrasonic sensor is fixed in the sleeve.
    Type: Application
    Filed: October 19, 2020
    Publication date: May 4, 2023
    Inventors: Yanjun LIU, Zhenyu LIANG, Chi ZHANG, Qiong DU, Yinqi LIU, Lizhi XIANG