Patents by Inventor Doug Thurman

Doug Thurman 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).

  • Sift-Resistant Bag
    Publication number: 20140133783
    Abstract: A sift-resistant valve bag is disclosed herein. The bag includes an upper end, the upper end being at least partially closed, a lower end opposite the upper end, the lower end being closed, a valve in the upper end, the valve being configured to receive flowable material for filling the bag, and a patch in the upper end and opposite from the valve, the patch being configured to restrict leakage of material flowing through the valve, wherein the patch includes a cuff.
    Type: Application
    Filed: November 13, 2013
    Publication date: May 15, 2014
    Applicant: Graphic Packaging International, Inc.
    Inventor: Doug Thurman