Patents by Inventor An D. Nguyen

An D. Nguyen 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).

  • CONVERSION OF CARBON DIOXIDE CAPTURED FROM FRACTURING OPERATION TO FORMIC ACID USED IN FRACTURING FLUID
    Publication number: 20230160293
    Abstract: A method including collecting exhaust gas comprising carbon dioxide (CO2) at a wellsite to provide a collected exhaust gas, separating CO2 from the collected exhaust gas to provide a separated CO2, and forming formic acid utilizing at least a portion of the separated CO2. At least a portion of the formic acid can be utilizing in a wellbore servicing fluid (e.g., a fracturing fluid) introduced downhole via a wellbore. The exhaust gas can be produced during a wellbore servicing operation at the or another wellbore. A system for carrying out the method is also provided.
    Type: Application
    Filed: November 23, 2021
    Publication date: May 25, 2023
    Inventors: Philip D. NGUYEN, Tatyana Vladimirov KHAMATNUROVA, Ronald Glen DUSTERHOFT
  • Methods of Forming Conductive Pipes Between Neighboring Features, and Integrated Assemblies Having Conductive Pipes Between Neighboring Features
    Publication number: 20230154989
    Abstract: Some embodiments include an integrated assembly having a pair of substantially parallel features spaced from one another by an intervening space. A conductive pipe is between the features and substantially parallel to the features. The conductive pipe may be formed within a tube. The tube may be generated by depositing insulative material between the features in a manner which pinches off a top region of the insulative material to leave the tube as a void region under the pinched-off top region.
    Type: Application
    Filed: January 23, 2023
    Publication date: May 18, 2023
    Applicant: Micron Technology, Inc.
    Inventors: Ahmed Nayaz Noemaun, Stephen W. Russell, Tao D. Nguyen, Santanu Sarkar
  • POINT OF SALE DEVICES
    Publication number: 20230120610
    Abstract: Point of sale devices are disclosed. A register point-of-sale system may include: a register base; a customer screen that is removeable received by the register base; a merchant screen adjustably mounted on the register base; and a card reader integrated into the customer screen. A mobile payment terminal system may include: a mobile payment terminal comprising a wireless card reader, magnetic stripe reader, slot that receives a chip card, a screen, and an integrated receipt printer; and a dock that removably receives the mobile payment terminal. A mobile card reader system may include a cylindrical mobile card reader comprising a screen, a wireless card reader, a magnetic stripe reader, a slot that receives a chip card, and a plurality of base slots that receive a plurality of base latches; and a cylindrical base with an angled end and latches.
    Type: Application
    Filed: October 18, 2022
    Publication date: April 20, 2023
    Inventors: Patrick GUINDON, John FRERICHS, Inna LOBEL, Francois D NGUYEN, Jung Soo PARK, Kebei LI, Adam Christopher WRIGLEY
  • SUBSTRATE SUPPORT
    Publication number: 20230114751
    Abstract: A substrate support assembly and processing chamber having the same are disclosed herein. In one embodiment, a substrate support assembly is provided that includes a body. The body has a center, an outer perimeter connecting a substrate support surface and a backside surface. The body additionally has a pocket disposed on the substrate support surface at the center and a lip disposed between the pocket and the outer perimeter. A layer is formed in the pocket of the substrate support surface. A plurality of discreet islands are disposed in the layer, wherein the discreet islands are disposed about a center line extending perpendicular from the substrate support surface.
    Type: Application
    Filed: October 8, 2021
    Publication date: April 13, 2023
    Inventors: Zhepeng CONG, Nyi Oo MYO, Hui CHEN, Huy D. NGUYEN, Shaofeng CHEN, Xinning LUAN, Kirk Allen FISHER, Aimee S. ERHARDT, Shawn Joseph BONHAM, Philip Michael AMOS, James M. AMOS
  • Multiphase ground fault circuit interrupter
    Patent number: 11626720
    Abstract: A multiphase ground fault circuit interrupter includes a first phase power line input, a second phase power line input, a third phase power line input, a neutral line input, a controller circuit having a relay control output, a first phase latching relay having a first phase switch input coupled to the first phase power line input and a first phase relay control input coupled to the relay control output of the controller circuit, a sensor having a core and a sensor pickup coupled to the controller circuit, and a first phase load wire coupled to a first phase switch output of the first phase latching relay and passed through the core.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: April 11, 2023
    Assignee: NEILSEN-KULJIAN, INC.
    Inventors: Huy D. Nguyen, Tom Lik-Chung Lee
  • Low profile electrodes for a shock wave catheter
    Patent number: 11622780
    Abstract: The invention provides a device for generating shock waves. The device may comprise an elongated tube and a conductive sheath circumferentially mounted around the elongated tube. The device may further comprise first and second insulated wires extending along the outer surface of the elongated tube. A portion of the first insulated wire is removed to form a first inner electrode, which is adjacent to a first side edge of the conductive sheath. A portion of the second insulated wire is removed to form a second inner electrode, which is adjacent to a second side edge of the conductive sheath. Responsive to a high voltage being applied across the first inner electrode and the second inner electrode, a first shock wave is created across the first side edge and the first inner electrode, and a second shock wave is created across the second side edge and the second inner electrode.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: April 11, 2023
    Assignee: SHOCKWAVE MEDICAL, INC.
    Inventors: Hoa D. Nguyen, Khanh Vo
  • Anti-vibration mount
    Patent number: 11619326
    Abstract: An anti-vibration mount has a base with a cavity. A core extends through the cavity and is coupled at its lower end to the base. A connector is threaded to the core and couples a part subject to vibration to the mount. The base cavity and the core define a receptacle extending around the core. A lower portion of the receptacle is substantially filled with lead. A bushing is carried in the upper portion of the receptacle around the core and bears on the lead. The upper surface of the bushing is elevated above the top surface of the base and bears the load of the part. A resilient body is carried around the connecter and, when the part is coupled to the mount, between the part and a connector head.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: April 4, 2023
    Assignee: Cantex International, Inc.
    Inventors: Duy D. Nguyen, Mark J. Adamson, John M. Adamson
  • MULTIFUNCTION MEDICAL DEVICE AND RELATED METHODS OF USE
    Publication number: 20230078251
    Abstract: An embodiment of the invention may include a medical device. The medical device may include a flexible tube, an elongate member configured to cut tissue and extend from the flexible tube, and a cauterizing member configured to cauterize tissue and to move relative to the elongate member and the flexible tube. The cauterizing member may substantially surround at least a portion of the elongate member.
    Type: Application
    Filed: November 21, 2022
    Publication date: March 16, 2023
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Paul M. SCOPTON, Thinh D. NGUYEN, Stephen J. PERRY
  • Device and method for generating forward directed shock waves
    Patent number: 11602363
    Abstract: Described herein is a shock wave device for the treatment of vascular occlusions. The shock wave device includes an outer covering and an inner member inner connected at a distal end of the device. First and second conductive wires extend along the length of the device within the volume between the outer covering and the inner member. A conductive emitter band circumscribes the ends of the first and second wires to form a first spark gap between the end of the first wire and the emitter band and a second spark gap between the end of the second wire and the emitter band. When the volume is filled with conductive fluid and a high voltage pulse is applied across the first and second wires, first and second shock waves can be initiated from the first and second spark gaps.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: March 14, 2023
    Assignee: SHOCKWAVE MEDICAL, INC.
    Inventor: Hoa D. Nguyen
  • System for treating occlusions in body lumens
    Patent number: 11596423
    Abstract: The invention provides a system for treating an occlusion within a body lumen. The system may comprise an insulated outer sheath; an elongated conductive tube, wherein the insulated outer sheath is circumferentially mounted around the elongated conductive tube; and an insulated wire having a helically coiled portion at a distal end of the insulated wire. The coiled portion includes an exposed distal tip, and a distal portion of the elongated conductive tube is circumferentially mounted around the distal coiled portion of the insulated wire. When a voltage is applied across the insulated wire and the elongated conductive tube, a current is configured to flow from the exposed distal tip of the insulated wire to the elongated conductive tube to generate a plurality of cavitation bubbles. In an alternate embodiment, an elongated central electrode is used in place of the conductive tube.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: March 7, 2023
    Assignee: Shockwave Medical, Inc.
    Inventors: Hoa D. Nguyen, Camilo Perez Saaibi
  • Methods of forming conductive pipes between neighboring features, and integrated assemblies having conductive pipes between neighboring features
    Patent number: 11600707
    Abstract: Some embodiments include an integrated assembly having a pair of substantially parallel features spaced from one another by an intervening space. A conductive pipe is between the features and substantially parallel to the features. The conductive pipe may be formed within a tube. The tube may be generated by depositing insulative material between the features in a manner which pinches off a top region of the insulative material to leave the tube as a void region under the pinched-off top region.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: March 7, 2023
    Assignee: Micron Technology, Inc.
    Inventors: Ahmed Nayaz Noemaun, Stephen W. Russell, Tao D. Nguyen, Santanu Sarkar
  • Actively cooled heat sink for OVJP print head
    Publication number: 20230063757
    Abstract: An organic vapor jet printing (OVJP) device is provided that includes an OVJP print head having a nozzle configured to eject an organic material entrained in a carrier gas, one or more heaters to heat the nozzle, and one or more heat sinks to remove heat from the region of the nozzle. OVJP deposition devices and techniques are also provided in which heat sinks are arranged in the region of one or more OVJP nozzle, which maintain an ambient temperature of not more than 40 C. when the print head is operated at an operating temperature of 450 C.
    Type: Application
    Filed: August 3, 2022
    Publication date: March 2, 2023
    Inventors: William E. QUINN, Craig Anthony OUTTEN, Gregory MCGRAW, Kent Khuong NGUYEN, Steven Shigeki AOCHI, Neil D. NGUYEN, David SMILEY, Michael FILIPPI
  • AORTIC LEAFLET REPAIR USING SHOCK WAVE APPLICATORS
    Publication number: 20230056062
    Abstract: Described herein are shock wave devices and methods for the treatment of calcified heart valves. One variation of a shock wave device may comprise an elongated flexible tube carried by a sheath. The tube may have a fluid input end, which may be located near a proximal end of the sheath. The tube may include a loop portion. The loop portion may be configured to be at least partially accommodated within a cusp of the heart valve. The tube may be fillable with a conductive fluid. In some variations, the shock wave device may include an array of electrode pairs associated with a plurality of wires positioned within the loop portion of a tube. The electrode pairs may be electrically connectable to a voltage source and configured to generate shock waves in the conductive fluid in response to voltage pulses.
    Type: Application
    Filed: November 7, 2022
    Publication date: February 23, 2023
    Inventors: Rainier BETELIA, Hoa D. NGUYEN, Camilo Perez SAAIBI, Adam R. TANNER
  • METHOD OF PROVIDING CLEAN AIR, CLEAN WATER, AND/OR HYDRAULIC CEMENT AT WELL SITES
    Publication number: 20230057459
    Abstract: A method including reacting, at a jobsite, a total dissolved solids (TDS) water with a gas comprising carbon dioxide (CO2) in the presence of a proton-removing agent to produce a CO2-reduced gas and an aqueous product comprising water and a precipitate, wherein the TDS water comprises produced water, wherein the precipitate comprises one or more carbonates, and wherein the CO2-reduced gas comprises less CO2 than the gas comprising CO2; and separating at least a portion of the water from the aqueous product to provide a concentrated slurry of the precipitate and a TDS-reduced water, wherein the TDS-reduced water comprises less TDS than the TDS water.
    Type: Application
    Filed: August 20, 2021
    Publication date: February 23, 2023
    Inventors: Philip D. NGUYEN, Tatyana Vladimirov KHAMATNUROVA, Ronald Glen DUSTERHOFT
  • Omniphobic emulsions for mitigating gas condensate banking and methods of making and using same
    Patent number: 11578258
    Abstract: An omniphobic emulsion comprising an aqueous continuous phase having dispersed therein a plurality of non-aqueous discontinuous phase droplets; wherein the non-aqueous discontinuous phase droplets are characterized by a droplet size of less than about 100 micrometers (?m); wherein each of the plurality of non-aqueous discontinuous phase droplets comprises a plurality of surfactant molecules and an omniphobic agent, wherein each surfactant molecule has a hydrophilic head portion and a hydrophobic tail portion; wherein each of the plurality of non-aqueous discontinuous phase droplets comprises the plurality surfactant molecules having the hydrophilic head portions disposed into a droplet outer layer with the hydrophobic tail portions extending inward from the droplet outer layer toward the omniphobic agent; and wherein the droplet outer layer encloses the omniphobic agent.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: February 14, 2023
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Philip D. Nguyen, Tatyana V. Khamatnurova
  • BOTTLE WITH ENHANCED GRIPPING FACETS
    Publication number: 20230014914
    Abstract: A thermoplastic bottle is provided that has a sidewall having an exterior surface that defines a plane curve. The sidewall is joined with a base and a mouth to define an interior volume. Facets are integrally formed in the sidewall that each have a recess interior to the plane curve and a protrusion extending above the recess. The protrusion being either above or below the plane curve. The recess can surround the protrusion or be adjacent thereto. Facets can be arranged in a variety of patterns and vary in shape, size, or both relative to one another. A ratio is defined for a recess depth to an absolute value of a height of a protrusion of 0.2-5:1. The resulting bottle offers a better grip when fluid bottle contents have dripped on the exterior surface relative to a conventional bottle. By allowing the drippage to seep into recesses of the facets.
    Type: Application
    Filed: July 14, 2022
    Publication date: January 19, 2023
    Applicant: Illinois Tool Works Inc.
    Inventors: Tu D. Nguyen, Chi Quang Nguyen
  • Vehicle seat storage system
    Patent number: 11554695
    Abstract: A vehicle seat storage system includes a center passenger seat disposed between side passenger seats. The center seat includes a seat base and a seat back. A reclining mechanism mounted to one of side frame members of the seat base allows the seat back to move relative to the seat base. Seat anchors are disposed outwardly of the side frame members for securing a child seat. The center seat has a seating condition where the center seat is attached to a vehicle floor, and a stowed condition where the center seat is unattached from the floor with the seat back folded against the seat base. A vehicle interior sidewall includes a recessed portion configured to receive the center seat in the stowed condition. A lock mechanism provided in the recessed portion releasably engages the center seat when positioned in the recessed portion.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: January 17, 2023
    Inventors: Kelly M. Whalen, Eric D. Daume, Paul D. Nguyen, Michael J. Wilms, Ganesh Narayanan
  • Gas Bearing Plate with integrated OVJP vacuum source
    Publication number: 20230011198
    Abstract: Embodiments of the disclosed subject matter provide a system having at least one carrier gas source, at least one heated container that includes organic material, and a jet array print head that includes a plurality of apertures to print lines on a substrate, and that is connected to a vacuum source. The system includes a pair of gas bearing plates, with a top gas bearing plate and a bottom gas bearing plate, each having a plurality of pressure apertures and vacuum apertures. The top gas bearing plate applies a uniform force to a top surface of the substrate, and the bottom gas bearing plate applies a uniform force to a bottom surface of the substrate. The top gas bearing plate includes a slot configured for the print head to fit within. The vacuum apertures are arranged perpendicular to a direction of travel of the substrate.
    Type: Application
    Filed: June 24, 2022
    Publication date: January 12, 2023
    Inventors: William E. QUINN, Craig Anthony Outten, Kent Khuong Nguyen, Steven Shigeki Aochi, Neil D. NGUYEN
  • Using converted hydrogen and solid carbon from captured methane to power wellbore equipment
    Patent number: 11548782
    Abstract: Green hydrogen and solid carbon can be produced by reacting captured methane with a catalyst in a reaction chamber. A liquid base fluid can form a continuous phase within the reaction chamber with a plurality of liquid metal carrier droplets dispersed in the base fluid. The catalyst can be nano-sized particles that can coat the surfaces of the carrier droplets. Agitation can be supplied to the reaction chamber to maintain dispersion of the liquid metal carrier droplets and increase contact of the methane and catalyst particles. The reaction temperature can be less than the temperature required for water electrolysis or steam methane reforming processes. The green hydrogen and solid carbon can be used as a power source for wellsite equipment in the form of fuel cells to generate electricity or power or used to charge batteries.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: January 10, 2023
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Philip D Nguyen, Ronald Glen Dusterhoft, Brian Alan Evans, Stanley Vernon Stephenson
  • DYNAMIC TREATMENT SYSTEM AND PATHOGEN REDUCTION DEVICES
    Publication number: 20230001034
    Abstract: A dynamic treatment system incorporates multiple pathogen reduction devices and sensors for enhanced pathogen reduction. The system can provide coordinated multi-level control to provide automated engineered control of pathogen reduction that is suitable for use in confined spaces, such as building and vehicle systems. Room level occupancy tracking provides biological load level estimates while pressure level sensing provides pathogen travel path estimation through the building. Combining this pathogen load information and airflow path information the system can drive room level and building level pathogen reduction device adjustments to enhance pathogen reduction based on expected pathogen travel. Zone level pathogen interception, height adjustable portable treatment devices, along with various application specific pathogen reduction devices can be integrated into the dynamic treatment system.
    Type: Application
    Filed: June 30, 2021
    Publication date: January 5, 2023
    Inventors: David W Baarman, Paul Byrne, Colin J. Moore, Hai D. Nguyen, Luke Platz, Ryan D. Schamper, Michael Halloran