Patents by Inventor De Ping Gao

De Ping Gao 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: 6789503
    Abstract: An animal feeding device includes a housing having a front opening directed toward a food dish, a paddle device rotatably received in the housing with a shaft and having a number of blades to dispense the food through the opening of the housing and into the food dish when the paddle device is rotated relative to the housing. A motor is coupled to the paddle device to rotate the paddle device to dispense a predetermined quantity of the food into the food dish, preferably in a predetermined time interval by a timer. The paddle device includes a partition extended from the shaft, and perpendicular to the shaft, to separate the blades into two parts.
    Type: Grant
    Filed: August 18, 2003
    Date of Patent: September 14, 2004
    Inventor: De Ping Gao