Patents by Inventor Luping Wand

Luping Wand 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).

  • Aerator for an aquarium
    Patent number: 5256282
    Abstract: An aerator for an aquarium is provided which consists of a structure placed onto a bottom of the aquarium holding water therein, for introducing small air bubbles into the water, so that the air will mix with and enhance the water, to allow fish to better breathe within the water.
    Type: Grant
    Filed: January 13, 1993
    Date of Patent: October 26, 1993
    Inventors: Yichao Chang, Luping Wand