Patents by Inventor Brian Ehrhardt

Brian Ehrhardt 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
  • Various gusset seals or treatments for reclosable packages
    Publication number: 20090052812
    Abstract: Reclosable gusseted packages or bags have improved resistance to leaking or spilling through the gussets by sealing the gussets together through apertures in the gusset walls, by sealing the zipper flanges together through apertures passing through the gussets in the package or bag, by folding portions of the gussets, or by sewing the gussets shut in areas proximate to the zipper.
    Type: Application
    Filed: August 25, 2008
    Publication date: February 26, 2009
    Applicant: ILLINOIS TOOL WORKS INC.
    Inventors: Eric Plourde, Kevin Owen, David J. Anzini, Lars G. Wihlborg, Paul M. Jenkins, Rusty Koenigkramer, Clifton R. Howell, Daniel Sullivan, Glyn Russell, Brian Ehrhardt, Steven Ausnit
  • Slider clip for reclosable zipper
    Patent number: D682157
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: May 14, 2013
    Assignee: Illinois Tool Works Inc.
    Inventors: Brian Ehrhardt, Glyn Russell, Jose Manuel Septien Rojas, Martin J. C. Offa-Jones, Murray Edward Bruce Leighton, David Anzini