Patents by Inventor Clifford B. Anderson

Clifford B. Anderson 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 bending shoe
    Patent number: 7721583
    Abstract: A pipe bending shoe including a support frame, a pipe channel defined by a first bending frame connected with the support frame and by a second bending frame connected with the support frame, and a plurality of flexible straps spaced along the pipe channel and spanning the pipe channel transversely between the first bending frame and the second bending frame in order to provide a transversely segmented pipe sling, wherein the pipe sling maintains a constant convex longitudinal sling profile during bending of a pipe using the pipe bending shoe.
    Type: Grant
    Filed: May 7, 2009
    Date of Patent: May 25, 2010
    Assignee: Proline Pipe Equipment Inc.
    Inventors: Clifford B. Anderson, David Styre, Brian Thicke