Patents by Inventor John D. Norwood

John D. Norwood 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: 11018613
    Abstract: Embodiments of a mixing device power system generally include a power control module, an AC motor, and a variable frequency drive, wherein upon application of AC power to the system, electrical power is provided to the power control module which transmits electrical power to the AC motor, whereby rotation of a mixing spindle is initiated. After the spindle has begun rotating, transmission of electrical power from the power control module to the AC motor is ceased, and substantially simultaneously electrical power transmission is commenced from the power control module to the variable frequency drive which transmits electrical power to the AC motor, whereby rotation of the mixing spindle is continued. A method of using the mixing device power system to mix a fluid sample is also provided.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: May 25, 2021
    Assignee: OFI Testing Equipment, Inc.
    Inventors: John D. Norwood, Doanh Ba Ho, Adam G. Olson
  • Publication number: 20200259443
    Abstract: Embodiments of a mixing device power system generally include a power control module, an AC motor, and a variable frequency drive, wherein upon application of AC power to the system, electrical power is provided to the power control module which transmits electrical power to the AC motor, whereby rotation of a mixing spindle is initiated. After the spindle has begun rotating, transmission of electrical power from the power control module to the AC motor is ceased, and substantially simultaneously electrical power transmission is commenced from the power control module to the variable frequency drive which transmits electrical power to the AC motor, whereby rotation of the mixing spindle is continued. A method of using the mixing device power system to mix a fluid sample is also provided.
    Type: Application
    Filed: April 30, 2020
    Publication date: August 13, 2020
    Applicant: OFI Testing Equipment, Inc.
    Inventors: John D. Norwood, Doanh Ba Ho, Adam G. Olson
  • Patent number: 10686396
    Abstract: Embodiments of a mixing device power system generally include a power control module, an AC motor, and a variable frequency drive, wherein upon application of AC power to the system, electrical power is provided to the power control module which transmits electrical power to the AC motor, whereby rotation of a mixing spindle is initiated. After the spindle has begun rotating, transmission of electrical power from the power control module to the AC motor is ceased, and substantially simultaneously electrical power transmission is commenced from the power control module to the variable frequency drive which transmits electrical power to the AC motor, whereby rotation of the mixing spindle is continued. A method of using the mixing device power system to mix a fluid sample is also provided.
    Type: Grant
    Filed: January 14, 2019
    Date of Patent: June 16, 2020
    Assignee: OFI Testing Equipment, Inc.
    Inventors: John D. Norwood, Doanh Ba Ho, Adam G. Olson
  • Patent number: 10656064
    Abstract: Embodiments of a quantifying force management system generally include a force applicator, a force indicator, and a force application assembly that includes a housing having an internal bore, a housing cap, and a force translator. In various embodiments, a portion of the force applicator extends through a housing cap opening wherein a force applicator bottom surface contacts a force translator top surface within the housing bore and whereby upon application of longitudinal force via the force applicator the force translator is compressed, and wherein the force indicator indicates the quantity of force being applied. In one aspect, embodiments of the quantifying force management system are incorporated in a piston assembly for use with a pressurized fluid density balance. A method of using the quantifying force management system, as a component of the piston assembly, in measuring the density of a liquid sample utilizing a fluid density balance is also provided.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: May 19, 2020
    Assignee: OFI Testing Equipment, Inc.
    Inventors: John D. Norwood, Virgilio Go Boncan, Kevin Madsen, Adam Olson
  • Patent number: 10359355
    Abstract: Exemplary embodiments of a high temperature aging cell provide a metal-to-metal fluid seal, and generally include a central tension post containing a flange having an inclined surface; and a seal ring concentrically arranged thereon, its outer circumference positioned at least partly intermediate the flange and the cell interior surface. In various embodiments, a thrust ring retains the seal ring; a thrust washer engages the thrust ring; a tension ring is attached to the tension post for biasing the thrust ring toward the flange; and an outer cap retains various components in relation to the aging cell. A pressure control device allows for pressure elevation. Exemplary embodiments of a sample aging method generally include aging a liquid sample by sealing the sample in the cell via biasing of the seal ring into sealing engagement with an interior surface of the cell. Subsequent sample treatment may involve elevating its temperature and/or pressure.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: July 23, 2019
    Assignee: OFI Testing Equipment, Inc.
    Inventors: Richard F. Lukay, John D. Norwood
  • Publication number: 20190222157
    Abstract: Embodiments of a mixing device power system generally include a power control module, an AC motor, and a variable frequency drive, wherein upon application of AC power to the system, electrical power is provided to the power control module which transmits electrical power to the AC motor, whereby rotation of a mixing spindle is initiated. After the spindle has begun rotating, transmission of electrical power from the power control module to the AC motor is ceased, and substantially simultaneously electrical power transmission is commenced from the power control module to the variable frequency drive which transmits electrical power to the AC motor, whereby rotation of the mixing spindle is continued. A method of using the mixing device power system to mix a fluid sample is also provided.
    Type: Application
    Filed: January 14, 2019
    Publication date: July 18, 2019
    Applicant: OFI Testing Equipment, Inc.
    Inventors: John D. Norwood, Doanh Ba Ho, Adam G. Olson
  • Publication number: 20180340875
    Abstract: Embodiments of a quantifying force management system generally include a force applicator, a force indicator, and a force application assembly that includes a housing having an internal bore, a housing cap, and a force translator. In various embodiments, a portion of the force applicator extends through a housing cap opening wherein a force applicator bottom surface contacts a force translator top surface within the housing bore and whereby upon application of longitudinal force via the force applicator the force translator is compressed, and wherein the force indicator indicates the quantity of force being applied. In one aspect, embodiments of the quantifying force management system are incorporated in a piston assembly for use with a pressurized fluid density balance. A method of using the quantifying force management system, as a component of the piston assembly, in measuring the density of a liquid sample utilizing a fluid density balance is also provided.
    Type: Application
    Filed: May 22, 2018
    Publication date: November 29, 2018
    Applicant: OFI Testing Equipment, Inc.
    Inventors: John D. Norwood, Virgilio Go Boncan, Kevin Madsen, Adam Olson
  • Publication number: 20180164274
    Abstract: Embodiments of an emulsion stability probe generally include two opposing electrodes with a gap there between, one or more electrical circuitry devices embedded in a probe assembly, and electrical circuitry devices that function to quantify and manipulate a sensed current signal, wherein the manipulated signal can be transmitted to an emulsion stability meter. Embodiments of an in-line emulsion stability measurement system generally include an electrical stability probe equipped with a process-connectable fitting, wherein attachment of the electrical stability probe to a process piping segment, utilizing the fitting, provides the electrodes and gap at least partially within the process piping segment, and whereby an in-line emulsion stability measurement of process fluid disposed within the piping segment may be performed. Methods of performing an emulsion stability measurement in-line and/or using an embodiment of the emulsion stability probe disclosed herein are also provided.
    Type: Application
    Filed: December 8, 2017
    Publication date: June 14, 2018
    Applicant: OFI Testing Equipment, Inc.
    Inventors: John D. Norwood, David Hoffman
  • Publication number: 20170328829
    Abstract: Exemplary embodiments of a high temperature aging cell provide a metal-to-metal fluid seal, and generally include a central tension post containing a flange having an inclined surface; and a seal ring concentrically arranged thereon, its outer circumference positioned at least partly intermediate the flange and the cell interior surface. In various embodiments, a thrust ring retains the seal ring; a thrust washer engages the thrust ring; a tension ring is attached to the tension post for biasing the thrust ring toward the flange; and an outer cap retains various components in relation to the aging cell. A pressure control device allows for pressure elevation. Exemplary embodiments of a sample aging method generally include aging a liquid sample by sealing the sample in the cell via biasing of the seal ring into sealing engagement with an interior surface of the cell. Subsequent sample treatment may involve elevating its temperature and/or pressure.
    Type: Application
    Filed: July 31, 2017
    Publication date: November 16, 2017
    Applicant: OFI Testing Equipment, Inc.
    Inventors: Richard F. Lukay, John D. Norwood
  • Patent number: 9784667
    Abstract: Exemplary embodiments of a high temperature aging cell provide a metal-to-metal fluid seal, and generally include a central tension post containing a flange having an inclined surface; and a seal ring concentrically arranged thereon, its outer circumference positioned at least partly intermediate the flange and the cell interior surface. In various embodiments, a thrust ring retains the seal ring; a thrust washer engages the thrust ring; a tension ring is attached to the tension post for biasing the thrust ring toward the flange; and an outer cap retains various components in relation to the aging cell. A pressure control device allows for pressure elevation. Exemplary embodiments of a sample aging method generally include aging a liquid sample by sealing the sample in the cell via biasing of the seal ring into sealing engagement with an interior surface of the cell. Subsequent sample treatment may involve elevating its temperature and/or pressure.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: October 10, 2017
    Assignee: OFI Testing Equipment, Inc.
    Inventors: Richard F. Lukay, John D. Norwood
  • Patent number: 9375715
    Abstract: A pressure relief tool including a stem connected to a plunger assembly, a plunger rod slidably retained in the plunger assembly and the stem, a stem connector for connecting the stem to a test cell vent opening, a handle operably connected to the plunger rod, and a vent tube extending from said plunger assembly, the vent tube fluidly connected to an annular opening within the stem. A method of opening a blockage and venting pressure from a high temperature high pressure test cell includes attaching a pressure relief tool of the present invention to the test cell vent opening; advancing the plunger rod through the vent opening, puncturing the blockage in the test cell to allow fluid flow to the vent opening, and allowing fluid to exit the test cell through the annular opening in the stem and the vent tube.
    Type: Grant
    Filed: January 12, 2015
    Date of Patent: June 28, 2016
    Assignee: OFI Testing Equipment, Inc.
    Inventors: John D. Norwood, Richard F. Lukay
  • Publication number: 20150219573
    Abstract: Exemplary embodiments of a high temperature aging cell provide a metal-to-metal fluid seal, and generally include a central tension post containing a flange having an inclined surface; and a seal ring concentrically arranged thereon, its outer circumference positioned at least partly intermediate the flange and the cell interior surface. In various embodiments, a thrust ring retains the seal ring; a thrust washer engages the thrust ring; a tension ring is attached to the tension post for biasing the thrust ring toward the flange; and an outer cap retains various components in relation to the aging cell. A pressure control device allows for pressure elevation. Exemplary embodiments of a sample aging method generally include aging a liquid sample by sealing the sample in the cell via biasing of the seal ring into sealing engagement with an interior surface of the cell. Subsequent sample treatment may involve elevating its temperature and/or pressure.
    Type: Application
    Filed: February 3, 2015
    Publication date: August 6, 2015
    Applicant: OFI Testing Equipment, Inc.
    Inventors: Richard F. Lukay, John D. Norwood
  • Publication number: 20150211651
    Abstract: A pressure relief tool including a stem connected to a plunger assembly, a plunger rod slidably retained in the plunger assembly and the stem, a stem connector for connecting the stem to a test cell vent opening, a handle operably connected to the plunger rod, and a vent tube extending from said plunger assembly, the vent tube fluidly connected to an annular opening within the stem. A method of opening a blockage and venting pressure from a high temperature high pressure test cell includes attaching a pressure relief tool of the present invention to the test cell vent opening; advancing the plunger rod through the vent opening, puncturing the blockage in the test cell to allow fluid flow to the vent opening, and allowing fluid to exit the test cell through the annular opening in the stem and the vent tube.
    Type: Application
    Filed: January 12, 2015
    Publication date: July 30, 2015
    Applicant: OFI TESTING EQUIPMENT, INC.
    Inventors: John D. Norwood, Richard F. Lukay
  • Patent number: 8949067
    Abstract: A test cell for determining expansion or contraction of a sample contained therein includes, a test cell body, a reflective surface within the test cell body, the reflective surface moveable responsive to expansion or contraction of the sample, a displacement sensor system exterior of the cell body, the displacement sensor system having a transmitter for transmitting directed electromagnetic radiation and a sensor for sensing electromagnetic radiation, a lens provided in the cell body, the lens constructed to allow electromagnetic radiation to pass therethrough. The transmitter, reflective surface, and sensor are constructed and positioned such that directed electromagnetic radiation transmitted from transmitter toward reflective surface is reflected from reflective surface toward the sensor.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: February 3, 2015
    Assignee: OFI Testing Equipment, Inc.
    Inventors: Jarod Hammar, John D Norwood
  • Publication number: 20120072133
    Abstract: In an exemplary embodiment of the present invention, a materials testing method and apparatus comprises a test cell, a temperature control system, a pressure control system, a volume measurement system, a strength indicator system, at least one processor and an output device. The apparatus provides real-time output of temperature and pressure conditions, volume change of a test sample, and strength indication. A method of sample testing includes concurrent measurement of pressure, temperature, volume measurement and strength indication. Processed data is output to at least one graphic user interface as a function of time.
    Type: Application
    Filed: May 26, 2010
    Publication date: March 22, 2012
    Applicant: OFI TESTING EQUIPMENT, INC.
    Inventors: John D. Norwood, Jarod R. Hammar