Patents by Inventor Donald E. Lewis, Jr.

Donald E. Lewis, Jr. 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).

  • Automated pipe bending machine
    Patent number: 6253595
    Abstract: A pipe bending system employing a feedback and control system that provides continuous data to a programmed processor. The processor is programmed to automatically carry out an incremental bending cycle in which the pipe is clamped by a predefined pressure by the pin-up shoe, a stiffback is moved upwardly to a predefined position to achieve a desired angular bend in the pipe, the stiffback is returned to its fill back position, as is the pin-up shoe, whereupon the pipe is axially moved a predefined distance to proceed with the subsequent incremental bend.
    Type: Grant
    Filed: September 21, 1999
    Date of Patent: July 3, 2001
    Assignee: CRC-Evans Pipeline International, Inc.
    Inventor: Donald E. Lewis, Jr.