Patents by Inventor Chyi-Ying Wu

Chyi-Ying 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).

  • Method for making disposable bowls and trays
    Patent number: 5500089
    Abstract: A method is used for making disposable trays and bowls with organic materials or herbaceous plants that can be easily disintegrated and that has low economical value. The organic materials include straws, bagasses or forage grasses etc., which are cheap and can be easily obtained. The manufacturing costs of the trays and bowls are thus competitive in price and suitable for producing disposable trays and bowls for containing food. No waste water and gas will be produced such that the method meets the requirement of environmental protection.
    Type: Grant
    Filed: June 29, 1994
    Date of Patent: March 19, 1996
    Inventors: Frank Huang, Chyi-Ying Wu
  • Collapsible storage box for floppy disk
    Patent number: 4538730
    Abstract: A collapsible storage box for floppy disk includes a casing, a switch means and a collapsible storing means consisting of a plurality of storage bags for storing floppy disk for computor use whereby the collapsible bags can be extended to form a sector type for easy and convenient take-out or take-in service for the floppy disks.
    Type: Grant
    Filed: May 18, 1984
    Date of Patent: September 3, 1985
    Inventor: Chyi-Ying Wu