Patents by Inventor Keith Laker

Keith Laker 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).

  • Pipeline pig
    Patent number: 6792641
    Abstract: A pig for use with a tubular bore wherein the pig is comprised of a body which supports a plurality of turbine blades wherein the blades mechanically break down and remove debris from the tubular bore. The blades have a profile which allows forward movement and rotation about a longitudinal axis when acted upon by a propulsion fluid traveling through the tubular. In an alternative embodiment the blades are mounted on a stabilizer body to allow simultaneous centralization and cleaning.
    Type: Grant
    Filed: July 24, 2000
    Date of Patent: September 21, 2004
    Assignee: Hamdeen Incorporated Limited
    Inventor: Keith Laker