Patents by Inventor Ching S. Wu

Ching S. Wu 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).

  • Paint drying furnace
    Patent number: 5038361
    Abstract: This invention relates to an improved paint drying furnace and in particular to one having a square recess to receive a casing which contains a glass, several light bulbs, a ceramic reflective plate, an electric heating plate and a heat resisting plate. The light bulbs can emit near infrared, middle infrared and far infrared energy to dry the painted object and are controlled by an outer control panel.
    Type: Grant
    Filed: November 9, 1988
    Date of Patent: August 6, 1991
    Inventor: Ching S. Wu