Patents by Inventor Robert J. Writt

Robert J. Writt 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).

  • Flying lead workover interface system
    Patent number: 6102124
    Abstract: Flying lead hydraulic and electrical umbilical arrangements are disclosed for control of a subsea christmas tree for production and workover operations. Alternative arrangements for deep water ROV arrangements for a conventional christmas tree are illustrated in FIGS. 2A, 2B and in FIGS. 3A, 3B, and 3C. Alternative arrangements for a horizontal christmas tree are illustrated in FIGS. 5, 6, and 7.
    Type: Grant
    Filed: June 30, 1999
    Date of Patent: August 15, 2000
    Assignee: FMC Corporation
    Inventors: Harold B. Skeels, Timothy R. Goggans, Sterling F. Lewis, Robert J. Writt