Patents by Inventor Mark W. Markle

Mark W. Markle 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).

  • Pipe chamfering tool
    Patent number: 7712404
    Abstract: A tool for chamfering the end of a pipe which is capable of accommodating a wide variety of different pipes, and employing at least one cutter assembly which can be positioned to cut either the outside or the inside edges of pipes, while simultaneously truing the end of the pipe.
    Type: Grant
    Filed: May 24, 2005
    Date of Patent: May 11, 2010
    Inventor: Mark W. Markle