Patents by Inventor Roger Dale Brown

Roger Dale Brown 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).

  • Blowout preventer monitor with trigger sensor and method of using same
    Patent number: 9428994
    Abstract: The present disclosure relates to a monitor for a blowout preventer of a wellbore. The blowout preventer includes a housing, rams, and an actuator comprising a cylinder with a piston. The piston is operatively connectable with the ram and movable therewith. The monitor includes a monitor base operatively connectable to the cylinder (the monitor base having an interior side inside the cylinder and an exterior side outside the cylinder), an interior plate positionable inside the cylinder about the interior side of the base (the interior plate operatively connectable to the piston and movable therewith), an exterior plate positionable outside the cylinder about the exterior surface of the monitor base (the exterior plate coupled by magnets to the interior plate and rotatable therewith), and a trigger sensor operatively connectable about the monitor base and the exterior plate to detect rotation thereof whereby a position of the ram may be determined.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: August 30, 2016
    Assignee: National Oilwell Varco, L.P.
    Inventors: James Ray Landrith, II, Roger Dale Brown, Jonathan Lewis Buelow, Joseph James Liotta, Eric Trevor Ensley, Christopher Dale Johnson
  • BLOWOUT PREVENTER MONITOR WITH TRIGGER SENSOR AND METHOD OF USING SAME
    Publication number: 20140311735
    Abstract: The present disclosure relates to a monitor for a blowout preventer of a wellbore. The blowout preventer includes a housing, rams, and an actuator comprising a cylinder with a piston. The piston is operatively connectable with the ram and movable therewith. The monitor includes a monitor base operatively connectable to the cylinder (the monitor base having an interior side inside the cylinder and an exterior side outside the cylinder), an interior plate positionable inside the cylinder about the interior side of the base (the interior plate operatively connectable to the piston and movable therewith), an exterior plate positionable outside the cylinder about the exterior surface of the monitor base (the exterior plate coupled by magnets to the interior plate and rotatable therewith), and a trigger sensor operatively connectable about the monitor base and the exterior plate to detect rotation thereof whereby a position of the ram may be determined.
    Type: Application
    Filed: June 27, 2014
    Publication date: October 23, 2014
    Inventors: James Ray Landrith, II, Roger Dale Brown, Jonathan Lewis Buelow, Joseph James Liotta, Eric Trevor Ensley, Christopher Dale Johnson