Patents by Inventor Robert X. Pastor

Robert X. Pastor 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).

  • Boring head cutter
    Patent number: 6857488
    Abstract: A tunnel boring including a rotatable head is disclosed. The head has a cutting face transverse to a head axis of rotation. A plurality of cutters are mounted in the face each on an associated one of a plurality of hubs. The hubs mounted for rotation about a respective hub axes. Each such respective hub axis is in an imaginary plane intersecting another imaginary plane including the head axis. Each of the cutters has a cutting edge symmetrical about another imaginary plane which is skewed with respect to the respective hub axis of the associated hub.
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: February 22, 2005
    Inventor: Robert X. Pastor
  • Boring head cutter
    Publication number: 20040150257
    Abstract: A tunnel boring including a rotatable head is disclosed. The head has a cutting face transverse to a head axis of rotation. A plurality of cutters are mounted in the face each on an associated one of a plurality of hubs. The hubs mounted for rotation about a respective hub axes. Each such respective hub axis is in an imaginary plane intersecting another imaginary plane including the head axis. Each of the cutters has a cutting edge symmetrical about another imaginary plane which is skewed with respect to the respective hub axis of the associated hub.
    Type: Application
    Filed: January 31, 2003
    Publication date: August 5, 2004
    Inventor: Robert X. Pastor