Patents by Inventor Fan Jian Wen

Fan Jian Wen 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).

  • Retractable electric cord receiving device and ventilation apparatus
    Patent number: 7490706
    Abstract: A cord winding mechanism for an electrically powered device such as a vacuum cleaner. The cord winding mechanism may be used with a device having an electric motor. The mechanism may include a cord receiving member for receiving a cord. The cord receiving member may define an interior space and have an axis. The mechanism may include a biasing member that may transmit a rotational force to the cord receiving member to rotate the cord receiving member about the axis. The mechanism may include a retention member that may selectively prevent the cord receiving member from rotating under the rotational force of the biasing member. The cord receiving member may be adapted to receive at least part of the motor inside the interior space of the cord receiving member. The mechanism may include ventilation openings for providing ventilation An electric motor assembly may include the mechanism and a motor. An electric appliance may include a housing and the assembly.
    Type: Grant
    Filed: March 3, 2005
    Date of Patent: February 17, 2009
    Assignee: Euro-Pro Operating LLC
    Inventors: Terry Robertson, Fan Jian Wen