Patents by Inventor Bernard Cheung

Bernard Cheung 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).

  • Movable U-bar sealing device and a method for shrink wrapping a load with a flexible material
    Publication number: 20060021293
    Abstract: The present invention comprises a movable, heated U-bar sealing device for a shrink wrap apparatus and a method for rapidly and continuously shrink wrapping a load with a flexible material such as a film. The movable, heated U-bar moves with the load as it seals the corners of the load with a film without creating multiple layers of film on the corners of the load.
    Type: Application
    Filed: July 29, 2005
    Publication date: February 2, 2006
    Applicant: Arpac. L.P.
    Inventor: Bernard Cheung