Patents by Inventor Chuang T. Chuan

Chuang T. Chuan 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).

  • Simulative candle
    Patent number: 4839780
    Abstract: A simulative candle includes a housing receiving therein a battery, an oscillator converting the battery power into an a.c. power, a half-wave-rectifying filtering network changing the a.c. power into an astable high-voltage d.c. electric power, and a neon lamp energized by the astable d.c. power to sparkle like a real candle flame.
    Type: Grant
    Filed: July 18, 1988
    Date of Patent: June 13, 1989
    Assignee: Ta Yu Electric Co., Ltd.
    Inventors: Chuang T. Chuan, Der C. Cheng