Patents by Inventor Jonathan J. Carr

Jonathan J. Carr 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).

  • Patent number: 8567872
    Abstract: An apparatus for grinding material includes a grinder bit including a drum and a plurality of grinders, at least a portion of the grinders disposed longitudinally in a first helical pattern along the outer surface of the drum. The apparatus further includes a plurality of cleats, at least a portion of the cleats disposed longitudinally in a second helical pattern along the outer surface of the drum. The second helical pattern is offset from the first helical pattern.
    Type: Grant
    Filed: September 19, 2008
    Date of Patent: October 29, 2013
    Assignee: Raytheon Company
    Inventor: Jonathan J. Carr
  • Publication number: 20100074705
    Abstract: An apparatus for grinding material, including a grinder bit including a drum, a plurality of grinders, at least a portion of the grinders disposed longitudinally in a first helical pattern along the outer surface of the drum, and a plurality of cleats, at least a portion of the cleats disposed longitudinally in a second helical pattern along the outer surface of the drum, the second helical pattern offset from the first helical pattern.
    Type: Application
    Filed: September 19, 2008
    Publication date: March 25, 2010
    Inventor: Jonathan J. Carr