Patents by Inventor Lloyd E. Andrews

Lloyd E. Andrews 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).

  • Method and apparatus for transporting oil rig
    Patent number: 7357616
    Abstract: An oil rig capable of being at least partially disassembled to form at least two portions, such as a top half and bottom half, and an associated structure for transport. An oil rig top portion may be loaded onto a trailer for transport separate from a bottom portion. The trailer includes a bottom frame, a top frame, a structure operably associated with said bottom and top frames for moving said top and bottom frames away from and towards one another, and a moving means attached to at least said bottom frame to allow the trailer to be moved along the support surface. The trailer may be towed by a truck or other vehicle.
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: April 15, 2008
    Assignee: Doyon Drilling, Inc.
    Inventors: Lloyd E. Andrews, Todd A. Driskill
  • Method and apparatus for transporting oil rig
    Publication number: 20040240973
    Abstract: An oil rig capable of being at least partially disassembled to form at least two portions, such as a top half and bottom half, and an associated structure for transport. An oil rig top portion may be loaded onto a trailer for transport separate from a bottom portion. The trailer includes a bottom frame, a top frame, a structure operably associated with said bottom and top frames for moving said top and bottom frames away from and towards one another, and a moving means attached to at least said bottom frame to allow the trailer to be moved along the support surface. The trailer may be towed by a truck or other vehicle.
    Type: Application
    Filed: January 30, 2004
    Publication date: December 2, 2004
    Inventors: Lloyd E. Andrews, Todd A. Driskill