Patents by Inventor David Schlumpf

David Schlumpf 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).

  • Publication number: 20090000236
    Abstract: The present invention is a keeper device for securely and horizontally positioning a tie rod or snap tie within a receiving through hole of a panel wall. By positioning a plurality of tie rods in a horizontal (i.e. perpendicular) relationship to a first panel wall, a second panel wall with corresponding receiving though holes may be conveniently and readily positioned into its proper working relationship: construction of bracing forms for a concrete or cement form wall assembly.
    Type: Application
    Filed: January 18, 2007
    Publication date: January 1, 2009
    Inventor: David Schlumpf