Patents by Inventor Robert J. Coulton

Robert J. Coulton 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).

  • Fill behind zipper and fill through the flange zipper
    Patent number: 9027310
    Abstract: The method and apparatus relates to providing a slit, perforation, line of weakness or similar structure in a flange of a zipper for a reclosable package or bag, including a high-capacity zipper. The slit, perforation, line of weakness or similar structure provides an opening for filling the reclosable package or bag without the need to separate the zipper profiles from each other. After filling, the opening is sealed and the cosmetic appearance of the reclosable package or bag is maintained.
    Type: Grant
    Filed: February 15, 2012
    Date of Patent: May 12, 2015
    Assignee: Illinois Tool Works Inc.
    Inventors: Glyn Russell, Charles Greco, Lars Wihlborg, Robert J. Coulton, David Anzini, Brian Ehrhardt, Francis Olajide, Jr., Eric Plourde, David Pritchard
  • FILL BEHIND ZIPPER AND FILL THROUGH THE FLANGE ZIPPER
    Publication number: 20130047553
    Abstract: The method and apparatus relates to providing a slit, perforation, line of weakness or similar structure in a flange of a zipper for a reclosable package or bag, including a high-capacity zipper. The slit, perforation, line of weakness or similar structure provides an opening for filling the reclosable package or bag without the need to separate the zipper profiles from each other. After filling, the opening is sealed and the cosmetic appearance of the reclosable package or bag is maintained.
    Type: Application
    Filed: February 15, 2012
    Publication date: February 28, 2013
    Applicant: ILLINOIS TOOL WORKS INC.
    Inventors: Glyn Russell, Charles Greco, Lars Wihlborg, Robert J. Coulton, David Anzini, Brian Ehrhardt, Francis Olajide, JR., Eric Plourde, David Pritchard