Patents by Inventor Hsi-Chuan Lo

Hsi-Chuan Lo 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).

  • Apparatus for killing insects
    Patent number: 5020270
    Abstract: An apparatus for killing unwanted insects such as mosquito includes a lamp assembly powered to generate light attractive to insects, an electric screen surround the lamp assembly and applied thereto with a voltage sufficient to kill insects in contact, a grill surrounding the electric screen for preventing persons or pets from access of the electric screen and a fan assembly arranged to force insects flying around the grill inwardly to contact the electric screen and thus to be killed.
    Type: Grant
    Filed: April 10, 1990
    Date of Patent: June 4, 1991
    Inventor: Hsi-Chuan Lo