Patents by Inventor Jason Armistead

Jason Armistead 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: 10458198
    Abstract: Embodiments of the present disclosure include a test dart for wellbore pressure isolation. The test dart includes a body extending from a first end to a second end, the body having a bore extending therethrough, a diameter of the bore being greater at a first end than the second end. The test dart also includes a groove formed proximate the first end and extending radially outward from the bore and into the body. Additionally, the test dart includes an anti-rotation pin positioned between the groove and the second end, the anti-rotation pin extending radially outward from the body. The test dart further includes a check valve positioned in the bore, the check valve enabling flow in a single direction and being moveable between an open position to enable the flow and a closed position to block the flow.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: October 29, 2019
    Assignee: GE Oil & Gas Pressure Control LP
    Inventors: Detrick Deyon Garner, Alfred Olvera, Eugene Borak, Jason Armistead, Samuel Cheng, John Warner, Nathan Burcham
  • Publication number: 20190040709
    Abstract: Embodiments of the present disclosure include a test dart for wellbore pressure isolation. The test dart includes a body extending from a first end to a second end, the body having a bore extending therethrough, a diameter of the bore being greater at a first end than the second end. The test dart also includes a groove formed proximate the first end and extending radially outward from the bore and into the body. Additionally, the test dart includes an anti-rotation pin positioned between the groove and the second end, the anti-rotation pin extending radially outward from the body. The test dart further includes a check valve positioned in the bore, the check valve enabling flow in a single direction and being moveable between an open position to enable the flow and a closed position to block the flow.
    Type: Application
    Filed: August 7, 2017
    Publication date: February 7, 2019
    Applicant: GE Oil & Gas Pressure Control LP
    Inventors: Detrick Deyon Garner, Alfred Olvera, Eugene Borak, Jason Armistead, Samuel Cheng, John Warner, Nathan Burcham
  • Patent number: 8930506
    Abstract: A system and method automatically assigns unique addresses to devices connected on a communication bus based on the parameters measured by each device. Assignment of addresses may be provided centrally by a controller or may be distributed, in which each device negotiates with other devices to assign unique addresses to each device.
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: January 6, 2015
    Assignee: Otis Elevator Company
    Inventors: Dang Nguyen, Jason Armistead, Bradley Scoville, Ming Martin Fang
  • Publication number: 20120066356
    Abstract: A system and method automatically assigns unique addresses to devices connected on a communication bus based on the parameters measured by each device. Assignment of addresses may be provided centrally by a controller or may be distributed, in which each device negotiates with other devices to assign unique addresses to each device.
    Type: Application
    Filed: June 5, 2009
    Publication date: March 15, 2012
    Applicant: OTIS ELEVATOR COMPANY
    Inventors: Dang Nguyen, Jason Armistead, Bradley Scoville, Ming Martin Fang