Patents by Inventor Alan P. Dewberry

Alan P. Dewberry 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).

  • Patch vent for flexible packaging bags
    Patent number: 11104485
    Abstract: A method of manufacture and an adhesive patch vent is provided for application to a flexible packaging material. A fabric material has an adhesive applied to its surface. The adhesive being applied to outer portions of the fabric material where a central portion is adhesive free. The adhesive patch vent is applied to an interior of a flexible package material where the adhesive free portion aligns with a perforation in the flexible package material. The adhesive vent patch enables air to be expelled from a package but is resistant to damage to the exterior of the bag. In addition a food grade oil resistant adhesive is utilized.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: August 31, 2021
    Assignee: EPC Industries Limited
    Inventors: Emlyn Mulford, Alan P. Dewberry
  • Patch Vent for Flexible Packaging Bags
    Publication number: 20190193896
    Abstract: A method of manufacture and an adhesive patch vent is provided for application to a flexible packaging material. A fabric material has an adhesive applied to its surface. The adhesive being applied to outer portions of the fabric material where a central portion is adhesive free. The adhesive patch vent is applied to an interior of a flexible package material where the adhesive free portion aligns with a perforation in the flexible package material. The adhesive vent patch enables air to be expelled from a package but is resistant to damage to the exterior of the bag. In addition a food grade oil resistant adhesive is utilized.
    Type: Application
    Filed: October 24, 2018
    Publication date: June 27, 2019
    Applicant: Emmerson Packaging
    Inventors: Emlyn Mulford, Alan P. Dewberry