Patents by Inventor Leung Fai Lau

Leung Fai Lau 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).

  • Patent number: 7073287
    Abstract: A housing is provided for attracting and eradicating mosquitoes. The interior walls of the housing is painted with a dark color such as black and it is coupled to a water container with an air duct. An electrified conductive grid is mounted at a large front opening of the main housing. A mixture of water and charcoal is placed in the water container. A louver panel is mounted in front of the electrified conductive grid to provide a shield as well as a canopy against rain and sun light. An interior container having a plurality of open top compartment is located in the main housing with various selected organic materials placed in those compartments for creating an environment in the main housing attractive to various types of mosquitoes.
    Type: Grant
    Filed: September 13, 2004
    Date of Patent: July 11, 2006
    Inventor: Leung Fai Lau