Patents by Inventor Joseph T. Mitchell

Joseph T. Mitchell 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).

  • Portable powered pipe working machine
    Patent number: 4682919
    Abstract: A portable powered machine particularly suited for cutting and bevelling large diameter pipe of various composition. The machine comprises a carriage and adjustable link assembly movable manually about the periphery of a pipe. A motor for rotating a cutting and bevelling tool is mounted in the carriage for adjustable movement radially of the pipe. A tool guard housing having a rectractable cover is mounted to the carriage for adjustable movement with the motor.
    Type: Grant
    Filed: May 5, 1986
    Date of Patent: July 28, 1987
    Assignee: Reed Manufacturing Company
    Inventor: Joseph T. Mitchell