Patents by Inventor Sara N. Riddle

Sara N. Riddle 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).

  • Patent number: 8511387
    Abstract: A cap is lowered onto and secured to a subsea member with an external flange, effecting a seal between the external flange and cap. The cap includes a tubular outer body defining a cavity, and a tubular inner body defining a bore, wherein the lower end of the inner body resides within the cavity. The cap also includes a lower engaging member coupled to the outer body that is radially movable between an inward state and an outward state and configured to alternately engage and disengage at least one of a backside of the external flange. Finally, the cap includes an upper engaging member coupled to the outer body and being radially movable independently of the lower engaging member between an inward state and an outward state and configured to engage and disengage the inner body.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: August 20, 2013
    Assignee: BP Corporation North America Inc.
    Inventors: Thomas A Fraser, John G Landthrip, Eric D Larson, Sara N Riddle, Dale Norman, Jamie C Gamble, Satish N Ramasheshaiah, James R Reams
  • Patent number: 8499838
    Abstract: A connector is lowered onto and secured to a subsea member, effecting a seal between subsea member and the connector. The connector includes an outer body defining a cavity, and an inner body defining a bore, wherein the lower end of the inner body resides within the cavity. The connector also includes an engaging member coupled to the outer body and adapted to engage the subsea device, the engaging member radially movable between a disengaged position and an engaged position. The connector includes a seal carried by the inner body and adapted to form a seal between the bore and the subsea device. Finally, the connector includes a pre-loading member coupled to the outer body, operable to urge the inner body and seal against the subsea device to exert a pre-loading force on the seal. A differential pressure between the bore and a subsea environment energizes the seal.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: August 6, 2013
    Assignee: BP Corporation North America Inc.
    Inventors: Thomas A Fraser, John G Landthrip, Eric D Larson, Sara N Riddle, Dale Norman, Jamie C Gamble, Satish N Ramasheshaiah, James R Reams
  • Publication number: 20120006557
    Abstract: A cap is lowered onto and secured to a subsea member with an external flange, effecting a seal between the external flange and cap. The cap includes a tubular outer body defining a cavity, and a tubular inner body defining a bore, wherein the lower end of the inner body resides within the cavity. The cap also includes a lower engaging member coupled to the outer body that is radially movable between an inward state and an outward state and configured to alternately engage and disengage at least one of a backside of the external flange. Finally, the cap includes an upper engaging member coupled to the outer body and being radially movable independently of the lower engaging member between an inward state and an outward state and configured to engage and disengage the inner body.
    Type: Application
    Filed: December 21, 2010
    Publication date: January 12, 2012
    Inventors: Thomas A. Fraser, John G. Landthrip, Eric D. Larson, Dale Norman, Jamie C. Gamble, Satish N. Ramasheshaiah, Sara N. Riddle, James R. Reams
  • Publication number: 20120006555
    Abstract: A connector is lowered onto and secured to a subsea member, effecting a seal between subsea member and the connector. The connector includes an outer body defining a cavity, and an inner body defining a bore, wherein the lower end of the inner body resides within the cavity. The connector also includes an engaging member coupled to the outer body and adapted to engage the subsea device, the engaging member radially movable between a disengaged position and an engaged position. The connector includes a seal carried by the inner body and adapted to form a seal between the bore and the subsea device. Finally, the connector includes a pre-loading member coupled to the outer body, operable to urge the inner body and seal against the subsea device to exert a pre-loading force on the seal. A differential pressure between the bore and a subsea environment energizes the seal.
    Type: Application
    Filed: December 21, 2010
    Publication date: January 12, 2012
    Inventors: Thomas A. Fraser, John G. Landthrip, Eric D. Larson, Sara N. Riddle, Dale Norman, Jamie C. Gamble, Satish N. Ramasheshaiah, James R. Reams