Patents by Inventor Jonathan Barnhart

Jonathan Barnhart 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).

  • Railroad direct fixation tie covering system
    Patent number: 8603376
    Abstract: A method and an apparatus for the protection of a railroad rail, a direct fixation plate or another support unit, a rail to rail connection and a rail to plate connection contacting with concrete upon placing of concrete during construction. The method comprises a step of disposing a mask over a railroad track having a railroad rail, a rail connector and a rail tie to protect the railroad track while placing concrete, the mask configured to cover the rail connector and tie. The mask has a connecting portion, a central portion, an extending portion configured to mask an upper longitudinally extending portion of a railroad rail, and at least one perpendicular section disposed to cover a railroad tie, direct fixation plate or other support unit.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: December 10, 2013
    Inventors: Thomas Sands, Jonathan Barnhart
  • Railroad track and tie cover
    Patent number: D652350
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: January 17, 2012
    Inventors: Thomas Sands, Jonathan Barnhart