Patents by Inventor Cheng Hsian Chen

Cheng Hsian 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).

  • Front brake of an electric motor
    Patent number: 6740997
    Abstract: The front brake of an electric motor has mechanical structure and is fitted on the output spindle at the front end of the electric motor, able to diminish the dimensions of an electric motor and save cost, and having no problem pertaining to circuit control and power compatibility in case of maintenance.
    Type: Grant
    Filed: August 19, 2003
    Date of Patent: May 25, 2004
    Inventor: Cheng Hsian Chen