Patents Assigned to Wen-Chin Liu
  • Lighting fixture with air cleaning and ventilating means
    Patent number: 5422795
    Abstract: A lighting fixture includes a lamp shade having a lamp holder to hold a lamp bulb on the inside and a plurality of hooks around the lamp holder, an air filter fastened to the hooks around the lamp holder, an electrical fan mounted on the lamp shade at the top and controlled to cause currents of air blowing through vent holes on the top of the lamp shade or to draw currents of air out of the lamp shade, and a covered on the electrical fan at the top and having a wire hole for passing electrical wires.
    Type: Grant
    Filed: April 19, 1994
    Date of Patent: June 6, 1995
    Assignee: Wen-Chin Liu
    Inventor: Ming-Jen Liu