Patents by Inventor Robert A. Dirienzo

Robert A. Dirienzo 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 for applying thermoplastic marking material to a pavement surface
    Publication number: 20040099212
    Abstract: The present invention provides an apparatus for applying thermoplastic marking material to a pavement surface. The apparatus includes a hopper for holding a supply of particulate thermoplastic marking material in a non-molten state, a means for conveying the thermoplastic marking material from the hopper to a continuous melt processor, and a conduit from the continuous melt processor to a dispenser that directs molten thermoplastic marking material to the pavement surface. The apparatus further includes means for heating the continuous melt processor and conduit to a temperature that is higher than the melt temperature of the thermoplastic marking material. The present invention also provides a method of applying a thermoplastic marking material to a pavement surface.
    Type: Application
    Filed: November 22, 2002
    Publication date: May 27, 2004
    Applicant: LaFarge Road Marking, Inc.
    Inventors: Robert A. Dirienzo, Buddy Reed