Patents by Inventor Charles E. Ball

Charles E. Ball 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).

  • Tool for joining and separating plastic pipe joints
    Patent number: 4054984
    Abstract: A tool for joining and separating plastic pipe and their fittings employs a pair of clamps which are secured adjacent the ends of the pipe sections. The clamps in turn are slidable on a frame and operated by a toggle-type linkage which moves the clamps and pipe sections and fittings axially toward or away from each other.
    Type: Grant
    Filed: December 30, 1976
    Date of Patent: October 25, 1977
    Inventors: Dorothy P. Ball, Charles E. Ball