Patents by Inventor Woon Kwai Yung

Woon Kwai Yung 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).

  • Bag
    Publication number: 20040141665
    Abstract: A bag (100) is disclosed as including an opening at an open end (102) and a seal (108) adjacent to a closed end (104), in which the bag is movable between a collapsed configuration in which the bag is flat and an expanded configuration in which the opening is closed and the bag is fully inflated, and the seal is non-straight when the bag is in the collapsed configuration, and the seal is straight when the bag is in the expanded configuration.
    Type: Application
    Filed: March 28, 2003
    Publication date: July 22, 2004
    Applicant: Chun Yip Plastics Limited
    Inventor: Woon Kwai Yung