Patents by Inventor Huaqing Chen

Huaqing Chen 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).

  • Working attachment and combination of working attachment and power tool
    Patent number: 10286466
    Abstract: A working attachment for a power tool is provided. The working attachment is able to be driven by the power tool to oscillate around a central axis. The working attachment includes a working portion for realizing a function of the working attachment and a connecting portion for connecting the working attachment with the power tool. The connecting portion includes at least two driven points for receiving a driving force of the power tool. The at least two driven points are disposed in a plane which is substantially perpendicular to the central axis and located between an upper end and a lower end of the connecting portion in a direction of the central axis.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: May 14, 2019
    Assignee: CHERVON (HK) LIMITED
    Inventors: Xiaofeng Zhang, Huaqing Chen, Dong Cao
  • WORKING ATTACHMENT AND COMBINATION OF WORKING ATTACHMENT AND POWER TOOL
    Publication number: 20170348780
    Abstract: A working attachment for a power tool is provided. The working attachment is able to be driven by the power tool to oscillate around a central axis. The working attachment includes a working portion for realizing a function of the working attachment and a connecting portion for connecting the working attachment with the power tool. The connecting portion includes at least two driven points for receiving a driving force of the power tool. The at least two driven points are disposed in a plane which is substantially perpendicular to the central axis and located between an upper end and a lower end of the connecting portion in a direction of the central axis.
    Type: Application
    Filed: December 28, 2016
    Publication date: December 7, 2017
    Inventors: Xiaofeng Zhang, Huaqing Chen, Dong Cao