Patents by Inventor Fred Fortson

Fred Fortson 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).

  • Walking drilling rig
    Patent number: 9518429
    Abstract: An improved walking drilling rig is disclosed. The walking drilling rig includes a preassembled substructure that includes a first skid beam disposed parallel and spaced apart from a second skid beam. A plurality of crossbeams couple the first skid beam to the second skid beam, and a plurality of extendable legs are supported by the first and second skid beams. An elevatable drill floor is coupled to the plurality of extendable legs and includes a rotary table disposed between a pair of lateral platforms. Each lateral platform has a retracted position and an extended position.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: December 13, 2016
    Assignee: Independence Contract Drilling, Inc.
    Inventors: Fred Fortson, David Brown
  • WALKING DRILLING RIG
    Publication number: 20150114717
    Abstract: An improved walking drilling rig is disclosed. The walking drilling rig includes a preassembled substructure that includes a first skid beam disposed parallel and spaced apart from a second skid beam. A plurality of crossbeams couple the first skid beam to the second skid beam, and a plurality of extendable legs are supported by the first and second skid beams. An elevateable drill floor is coupled to the plurality of extendable legs and includes a rotary table disposed between a pair of lateral platforms. Each lateral platform has a retracted position and an extended position.
    Type: Application
    Filed: October 31, 2013
    Publication date: April 30, 2015
    Applicant: INDEPENDENCE CONTRACT DRILLING, INC.
    Inventors: Fred Fortson, David Brown