Patents by Inventor J. Mark Major

J. Mark Major 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: 11313660
    Abstract: In an embodiment, an apparatus includes one or more probes, a tip, a pin, and a measurement device. The one or more probes may be configured for insertion through an aperture in a component. The tip may be slidably engaged with the one or more probes and include a first end configured to contact a first surface of the component. The first end of the tip may be conically shaped. The pin may be slidably engaged with the one or more probes and include a first end configured for insertion into the aperture in the component such that the one or more probes are configured to contact a second surface of the component. The pin may be configured to move between a first position and a second position. An axis of the pin may be substantially aligned with an axis of the tip. The measurement device may be coupled to the tip and configured to measure a value indicating a grip length.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: April 26, 2022
    Assignee: Lockheed Martin Corporation
    Inventors: Jonathan Richard Olson, Tyler Martin Rup, Philip Michael Chovanec, Matthew Timothy McKee, Alondra Renee Guevara, Carl Bargainer, Glynn Bartlett, Thomas E. Lyons, Jr., J. Mark Major, Ryan McBee, Paul Wood, Stephen L. Wiedmann
  • Patent number: 11183048
    Abstract: A method of identifying a ballistic impact on a power transmission asset is disclosed. The method includes the steps of deploying a sensor assembly at the power transmission asset; using the sensor assembly to receive and process data at the power transmission asset; using an algorithm to compare the processed data to known data and determine if a ballistic impact has occurred on the power transmission asset; and triggering an alarm if a ballistic impact has occurred and dispatching personnel to the power transmission asset.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: November 23, 2021
    Assignee: ELECTRIC POWER RESEARCH INSTITUTE, INC.
    Inventors: Andrew John Phillips, James Wu, Drew Benton McGuire, J. Mark Major, Mark C. Webb
  • Publication number: 20210302145
    Abstract: In an embodiment, an apparatus includes one or more probes, a tip, a pin, and a measurement device. The one or more probes may be configured for insertion through an aperture in a component. The tip may be slidably engaged with the one or more probes and include a first end configured to contact a first surface of the component. The first end of the tip may be conically shaped. The pin may be slidably engaged with the one or more probes and include a first end configured for insertion into the aperture in the component such that the one or more probes are configured to contact a second surface of the component. The pin may be configured to move between a first position and a second position. An axis of the pin may be substantially aligned with an axis of the tip. The measurement device may be coupled to the tip and configured to measure a value indicating a grip length.
    Type: Application
    Filed: March 30, 2020
    Publication date: September 30, 2021
    Inventors: Jonathan Richard Olson, Tyler Martin Rup, Philip Michael Chovanec, Matthew Timothy McKee, Alondra Renee Guevara, Carl Bargainer, Glynn Bartlett, Thomas E. Lyons, JR., J. Mark Major, Ryan McBee, Paul Wood, Stephen L. Wiedmann
  • Patent number: 10466294
    Abstract: A sensor to monitor health of surge arresters such as metal oxide arresters is disclosed. The sensor includes a housing; a sensor assembly contained in the housing, the sensor assembly including an electronics board to receive, transmit, process, and store signals; and a voltage measurement strap extending around a periphery of the housing, the voltage measurement strap being electrically connected to the electronics board and configured to measure voltage using electric field.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: November 5, 2019
    Assignee: ELECTRIC POWER RESEARCH INSTITUTE, INC.
    Inventors: Andrew John Phillips, Christiaan Engelbrecht, Robert Carlton Lynch, J. Mark Major
  • Publication number: 20190154750
    Abstract: A sensor to monitor health of surge arresters such as metal oxide arresters is disclosed. The sensor includes a housing; a sensor assembly contained in the housing, the sensor assembly including an electronics board to receive, transmit, process, and store signals; and a voltage measurement strap extending around a periphery of the housing, the voltage measurement strap being electrically connected to the electronics board and configured to measure voltage using electric field.
    Type: Application
    Filed: January 3, 2019
    Publication date: May 23, 2019
    Inventors: Andrew John Phillips, Christiaan Engelbrecht, Robert Carlton Lynch, J. Mark Major
  • Patent number: 10209293
    Abstract: A sensor to monitor health of surge arresters such as metal oxide arresters is disclosed. The sensor including a housing; a sensor assembly contained in the housing, and a voltage measurement strap extending around a periphery of the housing. The voltage measurement strap being electrically connected to the electronics board and configured to measure voltage using electric field. The sensor assembly including: an electronics board to receive, transmit, process, and store signals; a Rogowski coil electrically connected to the electronics board to measure surge currents diverted by the surge arrestor; and a current transformer electrically connected to the electronics board to measure leakage current.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: February 19, 2019
    Assignee: Electric Power Research Institute, Inc.
    Inventors: Andrew John Phillips, Christiaan Engelbrecht, Robert Carlton Lynch, J. Mark Major
  • Patent number: 10073131
    Abstract: An apparatus for evaluating an electrical insulator includes: a frame having a base and a pair of spaced-apart resilient arms each having a distal end; and a flexible probe disposed between the arms, the flexible probe being generally U-shaped and having a pair of distal ends, each distal end of the probe being connected to a respective distal end of one of the arms.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: September 11, 2018
    Assignee: ELECTRIC POWER RESEARCH INSTITUTE, INC.
    Inventors: Andrew John Phillips, J. Mark Major, Robert Carlton Lynch, Lester Ray Harrell
  • Publication number: 20180102042
    Abstract: A method of identifying a ballistic impact on a power transmission asset is disclosed. The method includes the steps of deploying a sensor assembly at the power transmission asset; using the sensor assembly to receive and process data at the power transmission asset; using an algorithm to compare the processed data to known data and determine if a ballistic impact has occurred on the power transmission asset; and triggering an alarm if a ballistic impact has occurred and dispatching personnel to the power transmission asset.
    Type: Application
    Filed: October 4, 2017
    Publication date: April 12, 2018
    Inventors: Andrew John Phillips, James Wu, Drew Benton McGuire, J. Mark Major, Mark C. Webb
  • Patent number: 9903899
    Abstract: A sensor apparatus for detecting leakage current in a post-type insulator of an electrical power system includes: a sensor unit having a housing, the sensor unit including: a sensor assembly operable to generate an analog signal proportional to a received leakage current; an electronics module operable to covert the analog signal to a digital value; and a communications system operable to wirelessly transmit the digital value to an external receiver; a collection band adapted to be connected to an exterior surface of the insulator; and a transfer lead interconnecting the sensor assembly and the collection band, the transfer lead operable to transfer leakage current from the insulator from the collection band to the sensor assembly.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: February 27, 2018
    Assignee: ELECTRIC POWER RESEARCH INSTITUTE, INC.
    Inventors: Andrew John Phillips, Christiaan Stephan Engelbrecht, J. Mark Major, Robert Carlton Lynch
  • Publication number: 20180017610
    Abstract: A sensor to monitor health of surge arresters such as metal oxide arresters is disclosed. The sensor including a housing; a sensor assembly contained in the housing, and a voltage measurement strap extending around a periphery of the housing. The voltage measurement strap being electrically connected to the electronics board and configured to measure voltage using electric field. The sensor assembly including: an electronics board to receive, transmit, process, and store signals; a Rogowski coil electrically connected to the electronics board to measure surge currents diverted by the surge arrestor; and a current transformer electrically connected to the electronics board to measure leakage current.
    Type: Application
    Filed: July 11, 2017
    Publication date: January 18, 2018
    Inventors: Andrew John Phillips, Christiaan Engelbrecht, Robert Carlton Lynch, J. Mark Major
  • Publication number: 20170261543
    Abstract: An apparatus for evaluating an electrical insulator includes: a frame having a base and a pair of spaced-apart resilient arms each having a distal end; and a flexible probe disposed between the arms, the flexible probe being generally U-shaped and having a pair of distal ends, each distal end of the probe being connected to a respective distal end of one of the arms.
    Type: Application
    Filed: March 11, 2016
    Publication date: September 14, 2017
    Inventors: Andrew John Phillips, J. Mark Major, Robert Carlton Lynch, Lester Ray Harrell
  • Patent number: 9535105
    Abstract: An apparatus and method for accurately detecting and monitoring leakage currents on porcelain and glass insulator disc strings is disclosed. The sensor apparatus includes a sensor unit configured to attach to a cap of an insulator disc string. The sensor unit includes a sensor disc configured to surround the cap and a housing connected to the sensor disc. The sensor disc includes a conducting lower disc set, a conducting upper disc set, an insulating disc set sandwiched between the upper and lower conducting disc sets, and a conducting mesh connected to a bottom of the lower disc set. The housing including electronics configured to measure and communicate leakage currents on an insulator disc. Leakage currents on a surface of the insulator disc are intercepted by the sensor disc and transferred to the housing for processing and communication by the electronics.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: January 3, 2017
    Assignee: Electric Power Research Institute, Inc.
    Inventors: Andrew John Phillips, Christiaan Stephan Engelbrecht, J. Mark Major, Robert Carlton Lynch
  • Patent number: 9488678
    Abstract: An apparatus and method for measuring geomagnetically induced currents (GIC) is disclosed. The apparatus is configured to measure GICs temporarily flowing in high-voltage, 60 Hz power transmission conductors, and includes a securing means for securing the apparatus to the power transmission conductor. The apparatus further includes a flux concentrator having a toroidal ferrite core and winding wound around the core configured to capture a magnetic field from the power transmission conductor; a hall-effect sensor assembly configured to receive the magnetic field from the flux concentrator and produce a voltage signal corresponding to the magnetic field; and an electronics module configured to receive the voltage signal from the hall-effect sensor assembly, conduct measurements, and transmit the measurements to a local access point.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: November 8, 2016
    Assignee: Electric Power Research Institute, Inc.
    Inventors: Andrew John Philips, Richard Lordan, J. Mark Major
  • Patent number: 9261549
    Abstract: A sensor apparatus for detecting leakage current in a suspension-type insulator of an electrical power system is disclosed. The sensor apparatus includes a housing having a leakage current sensor contained therein, a door pivotally connected to the housing and adapted to move between an open position where a grounded end fitting of the insulator is received by the sensor apparatus and a closed position, and a clamping mechanism connected to the housing. The leakage current sensor is adapted to detect a leakage current along the insulator. The clamping mechanism is adapted to clamp the sensor apparatus to the grounded end fitting of the insulator.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: February 16, 2016
    Assignee: ELECTRIC POWER RESEARCH INSTITUTE, INC.
    Inventors: Andrew John Phillips, Chris Engelbecht, J. Mark Major, Bob Lynch
  • Publication number: 20160018455
    Abstract: A sensor apparatus for detecting leakage current in a suspension-type insulator of an electrical power system includes: a housing having a first half of a leakage current sensor contained therein; a door pivotally connected to the housing by a hinge, and having a second half of the leakage current sensor contained therein, the door pivotable about the hinge between an open position in which the first and second halves of the leakage current sensor are separate from each other, and a closed position in which mating surfaces of the first and second halves of the leakage current sensor join together to define a closed perimeter; and a clamping mechanism connected to the housing comprising a first jaw and a second jaw, wherein the jaws are moveable between an open position and a closed position.
    Type: Application
    Filed: September 29, 2015
    Publication date: January 21, 2016
    Inventors: Andrew John Phillips, Christiaan Stephan Engelbrecht, J. Mark Major, Robert Carlton Lynch
  • Publication number: 20160011241
    Abstract: An apparatus and method for measuring geomagnetically induced currents (GIC) is disclosed. The apparatus is configured to measure GICs temporarily flowing in high-voltage, 60 Hz power transmission conductors, and includes a securing means for securing the apparatus to the power transmission conductor. The apparatus further includes a flux concentrator having a toroidal ferrite core and winding wound around the core configured to capture a magnetic field from the power transmission conductor; a hall-effect sensor assembly configured to receive the magnetic field from the flux concentrator and produce a voltage signal corresponding to the magnetic field; and an electronics module configured to receive the voltage signal from the hall-effect sensor assembly, conduct measurements, and transmit the measurements to a local access point.
    Type: Application
    Filed: July 8, 2014
    Publication date: January 14, 2016
    Inventors: Andrew John Phillips, Richard Lordan, J. Mark Major
  • Publication number: 20150168472
    Abstract: An apparatus and method for accurately detecting and monitoring leakage currents on porcelain and glass insulator disc strings is disclosed. The sensor apparatus includes a sensor unit configured to attach to a cap of an insulator disc string. The sensor unit includes a sensor disc configured to surround the cap and a housing connected to the sensor disc. The sensor disc includes a conducting lower disc set, a conducting upper disc set, an insulating disc set sandwiched between the upper and lower conducting disc sets, and a conducting mesh connected to a bottom of the lower disc set. The housing including electronics configured to measure and communicate leakage currents on an insulator disc. Leakage currents on a surface of the insulator disc are intercepted by the sensor disc and transferred to the housing for processing and communication by the electronics.
    Type: Application
    Filed: December 12, 2013
    Publication date: June 18, 2015
    Applicant: Electric Power Research Institute, Inc.
    Inventors: Andrew John Phillips, Christiann Stephan Engelbrecht, J. Mark Major, Robert Carlton Lynch
  • Patent number: 8666553
    Abstract: The present invention relates to an overhead transmission line inspection robot and system for inspecting transmission line components and right of way conditions. The overhead transmission line inspection robot includes a communications and control system adapted to control the robot and transmit information and a drive system for propelling the robot along a shield wire to enable inspection over a large area. The robot further includes a camera adapted to inspect right of way and component conditions; a light detection and ranging (LiDar) sensor adapted to measure conductor position, vegetation, and nearby structures; and a global positioning system adapted to identify the robot's position and speed.
    Type: Grant
    Filed: February 10, 2011
    Date of Patent: March 4, 2014
    Assignee: Electric Power Research Institute, Inc.
    Inventors: Andrew John Phillips, J. Mark Major, Glynn R. Bartlett
  • Publication number: 20110192315
    Abstract: The present invention relates to a diverter system to allow a line inspection robot to traverse an object. The diverter system includes a first diverter attached to a shield wire, a second diverter attached to the shield wire at a position spaced from the first diverter, and a bridge having a first end connected to the first diverter and a second end connected to the second diverter. The first diverter disengages the robot from the shield wire and onto the bridge and the second diverter disengages the robot from the bridge and onto the shield wire to allow the robot to traverse the object.
    Type: Application
    Filed: February 10, 2011
    Publication date: August 11, 2011
    Applicant: ELECTRIC POWER RESEARCH INSTITUTE, INC.
    Inventors: Andrew John Phillips, J. Mark Major, Glynn R. Bartlett
  • Publication number: 20110196535
    Abstract: The present invention relates to an overhead transmission line inspection robot and system for inspecting transmission line components and right of way conditions. The overhead transmission line inspection robot includes a communications and control system adapted to control the robot and transmit information and a drive system for propelling the robot along a shield wire to enable inspection over a large area. The robot further includes a camera adapted to inspect right of way and component conditions; a light detection and ranging (LiDar) sensor adapted to measure conductor position, vegetation, and nearby structures; and a global positioning system adapted to identify the robot's position and speed.
    Type: Application
    Filed: February 10, 2011
    Publication date: August 11, 2011
    Applicant: ELECTRIC POWER RESEARCH INSTITUTE, INC.
    Inventors: Andrew John Phillips, J. Mark Major, Glynn R. Bartlett