Patents Examined by Lawrence M. Meier
  • Patent number: 4483222
    Abstract: A device for removing pipe attached to a fitting includes cutting apparatus for removing the pipe disposed within the fitting. A wrench apparatus is connected to the cutting apparatus for gripping the fitting to prevent its movement when the cutting apparatus is activated. Alternatively, this device may be used as a reaming device which permits radial movement of the cutting blades into engagement with a pipe after the cutting blades have been inserted within the pipe.
    Type: Grant
    Filed: August 28, 1981
    Date of Patent: November 20, 1984
    Inventor: Dalton W. Davis