Patents by Inventor Harry Baum

Harry Baum 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).

  • Method and apparatus for removing a pipe lining
    Publication number: 20070161339
    Abstract: An apparatus for removing a lining from a pipe includes a collapsible stripping tool having a plurality of extensible arms with an abrading tool mounted on each arm that is deployed by inserting the apparatus into the pipeline, supplying pressurized fluid to a cylinder to extend the arms and force the abrading tools into engagement with the lining and rotating and pulling the tool down the pipe without destroying the pipe.
    Type: Application
    Filed: December 30, 2005
    Publication date: July 12, 2007
    Inventors: Steven Wentworth, Harry Baum