Patents by Inventor Chin-Hu Feng

Chin-Hu Feng 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: 5314071
    Abstract: The invention provides a method and apparatus for purification and color sortation of waste glass, a glass beneficiation process and apparatus. The invention crushes the glass into pieces less than 3 inches in size, delables the glass, and then sorts the glass according to the light transmissive properties of the glass utilizing an array of lamps electrically connected to a control module.
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: May 24, 1994
    Assignee: FMC Corporation
    Inventors: Donald J. Christian, Chin-Hu Feng, Jerry L. McComas, Andrew K. Chang