Patents by Inventor Robert W. Hinley

Robert W. Hinley 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).

  • Ultrasonic method of producing a score in a thermoplastic film pouch
    Patent number: 5202065
    Abstract: A method of creating a score in a pouch formed from a thermoplastic film is described. Ultrasonic energy is used to create the score in a film that is later formed into a pouch. The score can be used to open the pouch by pulling opposite sides of the scored area. The ultrasonic force is applied to the film as a part of a downstream process in a blown film manufacturing line to produce the pouch.
    Type: Grant
    Filed: April 11, 1991
    Date of Patent: April 13, 1993
    Assignee: Baxter International Inc.
    Inventors: John G. Lenander, Robert W. Hinley