Patents by Inventor Freddie Yang

Freddie Yang 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).

  • Decorative aquarium with water dance effect
    Patent number: 6447138
    Abstract: The present invention discloses a new decorative aquarium with water dance effect comprising an air pump, multiple light emitting sources, and a music source that generates variable melodies of music, in which an amount of air pumped out by an air pump and the colors of light emitted by light sources can be varied with the melody of music. Therefore, the user can at the same time listen to the music and watch the water dance to enjoy both audio and visual effects.
    Type: Grant
    Filed: February 23, 2001
    Date of Patent: September 10, 2002
    Inventor: Freddie Yang
  • DECORATIVE AQUARIUM WITH WATER DANCE EFFECT
    Publication number: 20020118531
    Abstract: The present invention discloses a new decorative aquarium with water dance effect comprising an air pump, multiple light emitting sources, and a music source that generates variable melodies of music, in which an amount of air pumped out by an air pump and the colors of light emitted by light sources can be varied with the melody of music. Therefore, the user can at the same time listen to the music and watch the water dance to enjoy both audio and visual effects.
    Type: Application
    Filed: February 23, 2001
    Publication date: August 29, 2002
    Inventor: Freddie Yang