Patents by Inventor Richard N. Callahan

Richard N. Callahan 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).

  • Nozzle for lubricating a workpiece
    Patent number: 6746185
    Abstract: The present invention relates to a nozzle for use in a metalworking process, whereby the nozzle is designed to precisely deliver an oil-containing liquid and non-flammable gas mixture onto the interface between a metalworking tool and a workpiece, whereby the nozzle is comprised of a tip and a valve body affixed to one another. Furthermore, the present invention relates to a method for cooling and lubricating a tool and workpiece during a metalworking process.
    Type: Grant
    Filed: January 2, 2002
    Date of Patent: June 8, 2004
    Assignee: University of Missouri Board of Curators
    Inventors: Kevin Hubbard, Richard N. Callahan
  • Nozzle for lubricating a workpiece
    Publication number: 20030123940
    Abstract: The present invention relates to a nozzle for use in a metalworking process, whereby the nozzle is designed to precisely deliver an oil-containing liquid and nonflammable gas mixture onto the interface between a metalworking tool and a workpiece, whereby the nozzle is comprised of a tip and a valve body affixed to one another. Furthermore, the present invention relates to a method for cooling and lubricating a tool and workpiece during a metalworking process.
    Type: Application
    Filed: January 2, 2002
    Publication date: July 3, 2003
    Inventors: Kevin Hubbard, Richard N. Callahan