Patents by Inventor Chuan-Chin Wu

Chuan-Chin 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).

  • Waste-receiving plate for chicken cages
    Patent number: 5179912
    Abstract: A waste-receiving plate for chicken cages comprising a plate member and four feet supporting the plate member high above the ground, the plate member having many net-like holes, four receptacles for fitting with the feet to secure the feet with the plate member, and two large notches at both ends of a side to contact an inclined post of a chicken cage to secure the plate member on the feet, and many crossing ribs extending downward to reinforce the plate member to endure weight of any chicken wastes.
    Type: Grant
    Filed: July 29, 1992
    Date of Patent: January 19, 1993
    Inventor: Chuan-Chin Wu