Patents by Inventor David Vandenbeek

David Vandenbeek 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).

  • Patent number: 6991408
    Abstract: A lightweight, non water retaining, biodegradable soil replacement material which may be charged into a flexible non biodegradable synthetic bag. The fill material may be expanded polymeric materials to afford lightweight, insulation and adequate drainage which may be charged into a flexible bag having a mesh composition. The product may be used against foundations, walls, retaining walls, piers, columns, weeping tiles or any other structure where backfill is required. The product may have other applications due to its insulating ability which do not include soil replacement but may simply be to fill a space or opening.
    Type: Grant
    Filed: April 29, 2003
    Date of Patent: January 31, 2006
    Assignee: North American Profill Products Inc.
    Inventors: Phil Bottriell, David Vandenbeek
  • Publication number: 20040218986
    Abstract: A lightweight, non water retaining, biodegradable soil replacement material which may be charged into a flexible non biodegradable synthetic bag. The fill material may be expanded polymeric materials to afford lightweight, insulation and adequate drainage which may be charged into a flexible bag having a mesh composition. The product may be used against foundations, walls, retaining walls, piers, columns, weeping tiles or any other structure where backfill is required. The product may have other applications due to its insulating ability which do not include soil replacement but may simply be to fill a space or opening.
    Type: Application
    Filed: April 29, 2003
    Publication date: November 4, 2004
    Applicant: North American Profill Products Inc.
    Inventors: Phil Bottriell, David Vandenbeek