Patents by Inventor Stephen P. Armstrong

Stephen P. Armstrong 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).

  • Methods and apparatus for installation of VIV suppression during installation of marine pipeline
    Patent number: 8029210
    Abstract: Methods and apparatus for the installation of VIV suppression during the S-Lay installation of a subsea pipeline. A locking member will be interposed between a pipe and a fairing rotatably mounted on the pipe, sufficient to bias the fairing against rotating. Upon marine application, the locking member will degrade, thereby releasing the fairing.
    Type: Grant
    Filed: May 17, 2004
    Date of Patent: October 4, 2011
    Assignee: Shell Oil Company
    Inventors: David W. McMillan, Donald W. Allen, Dean L. Henning, Kenneth Loch, Stephen P. Armstrong, Li Lee
  • Methods for remote installation of devices for reducing drag and vortex induced vibration
    Patent number: 6994492
    Abstract: Methods for remotely installing vortex-induced vibration (VIV) reduction and drag reduction devices on elongated structures in flowing fluid environments. The devices installed can include clamshell-shaped strakes, shrouds, fairings, sleeves and flotation modules.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: February 7, 2006
    Assignee: Shell Oil Company
    Inventors: David Wayne McMillan, Stephen P. Armstrong, Dennis E. Walker
  • Apparatus for remote installation of devices for reducing drag and vortex induced vibration
    Patent number: 6928709
    Abstract: Apparatus and methods for remotely installing vortex-induced vibration (VIV) reduction and drag reduction devices on elongated structures in flowing fluid environments. The apparatus is a tool for transporting and installing the devices. The devices installed can include clamshell-shaped strakes, shrouds, fairings, sleeves and flotation modules.
    Type: Grant
    Filed: March 6, 2003
    Date of Patent: August 16, 2005
    Assignee: Shell Oil Company
    Inventors: David Wayne McMillan, Stephen P. Armstrong, Dennis E. Walker
  • Apparatus and methods for remote installation of devices for reducing drag and vortex induced vibration
    Publication number: 20030213113
    Abstract: Apparatus and methods for remotely installing vortex-induced vibration (VIV) reduction and drag reduction devices on elongated structures in flowing fluid environments. The apparatus is a tool for transporting and installing the devices. The devices installed can include clamshell-shaped strakes, shrouds, fairings, sleeves and flotation modules.
    Type: Application
    Filed: March 6, 2003
    Publication date: November 20, 2003
    Inventors: David Wayne McMillan, Stephen P. Armstrong, Dennis E. Walker