Patents by Inventor Dave DEFRANG

Dave DEFRANG 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).

  • APPARATUS AND METHODS FOR PILE PLACEMENT
    Publication number: 20130004243
    Abstract: Assemblies for improving the installation of pilings into the ground are disclosed. The assemblies may include a modified pipe pile and a removable point inserted into the end of the pile. Methods of using the assemblies in the installation of pipe piling into the ground are also disclosed.
    Type: Application
    Filed: May 3, 2012
    Publication date: January 3, 2013
    Inventor: Dave DEFRANG