Patents by Inventor John Cannetti

John Cannetti 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).

  • Internal pipe gripping device
    Patent number: 5257559
    Abstract: An internal pipe gripping device is provided which consists of a mechanism at one end for grasping an inner surface of a pipe and a structure at an opposite end for coupling to a pipe turning machine, so that the pipe can be rotated to be cut, polished, threaded and the like.
    Type: Grant
    Filed: June 3, 1992
    Date of Patent: November 2, 1993
    Inventor: John Cannetti