Patents by Inventor Tze L. Chen

Tze L. Chen 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: 5614002
    Abstract: In an air purifying apparatus having a housing formed with a recess in which are fitted a static activated carbon panel and a high voltage dust collecting panel, the improvement wherein said high voltage dust collecting panel includes a plurality of cross bars and ventilation slits therebetween, said cross bars being coated with a high conductive and oxidation resistant alloy powder to form anodes and cathodes which are respectively connected to the positive pole and negative pole of a high voltage generating circuit.
    Type: Grant
    Filed: October 24, 1995
    Date of Patent: March 25, 1997
    Inventor: Tze L. Chen
  • Patent number: 5524450
    Abstract: An air-conditioning ceiling fan including a body portion provided with an electric motor and a plurality of blades, an evaporator mounted on the body portion, a hollow supporter adapted to be fixedly mounted on a ceiling and having a tubular lower end depending downwardly through the evaporator, a water tray arranged under the evaporator, a condensing case including a compressor, a condenser and an exhaust fan, the compressor being connected between the condenser and the evaporator via refrigerant pipes, the condenser being connected with the evaporator via refrigerant pipes, and a connecting pipe connecting the hollow supporter and the condensing case.
    Type: Grant
    Filed: October 24, 1995
    Date of Patent: June 11, 1996
    Inventor: Tze L. Chen