Patents by Inventor Robert A. Blue

Robert A. Blue 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).

  • Dog-type lockout and position indicator assembly
    Patent number: 8388255
    Abstract: A connector assembly for connecting two members that allows manual lockdown to prevent accidental disengagement. The connector assembly can be used to connect a tension ring to a housing on a riser by using a lower set of hydraulically actuated dogs. A set of upper hydraulically actuated dogs on the connector assembly can be used to connect the tension ring to a diverter housing mounted on a rig. The connector assembly also has position indicators that ride along with the dogs to indicate whether the dogs are in the engaged or disengaged position.
    Type: Grant
    Filed: July 13, 2009
    Date of Patent: March 5, 2013
    Assignee: Vetco Gray Inc.
    Inventors: Eric D. Larson, John V. Leba, Robert A. Blue
  • DOG-TYPE LOCKOUT AND POSITION INDICATOR ASSEMBLY
    Publication number: 20110008099
    Abstract: A connector assembly for connecting two members that allows manual lockdown to prevent accidental disengagement. The connector assembly can be used to connect a tension ring to a housing on a riser by using a lower set of hydraulically actuated dogs. A set of upper hydraulically actuated dogs on the connector assembly can be used to connect the tension ring to a diverter housing mounted on a rig. The connector assembly also has position indicators that ride along with the dogs to indicate whether the dogs are in the engaged or disengaged position.
    Type: Application
    Filed: July 13, 2009
    Publication date: January 13, 2011
    Applicant: VETCO GRAY INC.
    Inventors: Eric D. Larson, John V. Leba, Robert A. Blue