Patents by Inventor Hei Yan Lam

Hei Yan Lam 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).

  • Quick connect device for ceiling fan blade and method therefor
    Patent number: 6699014
    Abstract: An attachment mechanism for mounting fan blades to a ceiling fan, characterized in that a ring is attached to the bottom of the motor housing, the ring having a plurality of dovetailed recesses spaced equally apart. A tongue is located on an end of each fan blade, the tongue having a corresponding dovetail shape such that the tongue can be inserted into a recess. A biasing member is located between the recess and tongue to provide a bias that prevents undue vibration.
    Type: Grant
    Filed: January 16, 2002
    Date of Patent: March 2, 2004
    Assignee: DHI Acquisition Corp.
    Inventors: Hei Yan Lam, Wai Nan Leung