Patents by Inventor David Stewart

David Stewart 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: 11810689
    Abstract: A signal cable for an AC-coupled link, may include: a signal conductor; a dielectric surrounding the signal conductor; and a ground sheath having a conductive layer disposed at least partially around the conductor such that the dielectric is positioned between the ground sheath and the signal conductor, wherein the conductive layer comprises a first portion extending in a first direction along the cable and a second portion extending in a second direction, opposite the first direction, along the cable and further wherein the first and second portions of the conductive layer are separated from each other by a gap, the gap being dimensioned to provide a determined amount of capacitance in series in the ground sheath. The gap may form a complete separation between the first and second portions of the conductive layer.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: November 7, 2023
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Karl J. Bois, James David Stewart, David P. Kopp, Elene Chobanyan
  • Publication number: 20230299967
    Abstract: A method for monitoring operation of a controller area network (CAN) comprising a plurality of nodes. The method comprises measuring a voltage associated with a CAN message transmitted on the network, determining a message signature in dependence on the measured voltage, and comparing the message signature with a node signature to determine the authenticity of the CAN message. One or more actions may be taken in dependence on the determined authenticity.
    Type: Application
    Filed: March 10, 2021
    Publication date: September 21, 2023
    Applicant: Warwick Control Technologies Limited
    Inventors: Christopher Patrick Quigley, David Stewart Roy Charles
  • Patent number: 11755498
    Abstract: Emulating scratchpad functionality using caches in processor-based devices is disclosed. In one aspect, each cache line within a cache of a processor-based device is associated with a corresponding scratchpad indicator indicating whether the corresponding cache line is exempt from the replacement policy used to select a cache line for eviction. Upon receiving data that corresponds to a memory access operation indicated as requiring scratchpad functionality, the cache controller stores the data in a cache line of the cache, and then sets the corresponding scratchpad indicator for the cache line. Subsequently, the cache controller emulates scratchpad functionality by allowing conventional memory read and write operations to be performed on the cache line, but does not apply its replacement policy to that cache line when selecting a cache line as a candidate for eviction. In this manner, the cache line may remain in the cache for use as scratchpad memory by software.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: September 12, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Shekhar Yeshwant Borkar, David Stewart Dunning, Nitin Yeshwant Borkar, Rishi Khan, Matthew Scott Radecic
  • Patent number: 11719929
    Abstract: Disclosed are optical trains for imaging systems. More particularly described are imaging systems configured to limit optical aberrations. Also disclosed are methods of limiting optical aberrations in imaging systems.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: August 8, 2023
    Assignee: RareCyte, Inc.
    Inventors: Jeremy Ryan Cooper, David Stewart
  • Publication number: 20230235002
    Abstract: Provided herein are polypeptides comprising a therapeutic targeted for delivery to an organ or tissue, and uses thereof.
    Type: Application
    Filed: October 14, 2022
    Publication date: July 27, 2023
    Inventors: Luis ALVAREZ, David STEWART, Hyeon PARK, Todd HEIL
  • Patent number: 11706733
    Abstract: A system for determining the location of a wireless device is described, the system includes a map, a fixed beacon, a fixed sensor and a server component. The server component receives a beacon identifier and a beacon signal strength from a wireless device. A sensor is located on the map. The fixed sensor receives the beacon identifier and the sensor captures a measured sensor beacon signal strength. The sensor is communicatively coupled to the server component. The server component receives the beacon identifier and the measured sensor beacon signal strength from the fixed sensor. The server component uses the beacon identifier and the beacon signal strength communicated by the wireless device and the sensor beacon signal strength and the beacon identifier received by the sensor to determine the location of the wireless device.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: July 18, 2023
    Assignee: NEXRF Corp.
    Inventors: Michael A. Kerr, David Stewart
  • Patent number: 11679929
    Abstract: Capsule containing a substance for the preparation of a potable beverage. The capsule comprises an aluminum capsule body having a side wall and an outwardly extending flange and a sealing member for providing a fluid sealing contact with an enclosing member of a beverage preparation device. The beverage preparation device comprises an annular element having a free contact end which is provided with a plurality of radially extending open grooves. The sealing member comprises a separate crushable element made of aluminum provided on the capsule body at a side thereof, which side is—when seen from the outwardly extending flange—opposite the cover.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: June 20, 2023
    Assignee: Koninklijke Douwe Egberts B.V.
    Inventors: Rebecca Bartel, David Stewart Mackie Christensen, Jeffrey Alexander Hughes, Ivo Van Os, Edwin Petrus Elisabeth Van Opstal
  • Publication number: 20230167663
    Abstract: A mounting system for mounting a door for movement adjacent an opening in a wall structure includes a cleat having a central web and two sides, a track plate having a central web and two sides, a track attached to the track plate, and at least one fastener for attaching the cleat to the wall structure. When mounted, the cleat extends lengthwise above the opening and engages drywall, the at least one fastener extends through at least one aperture defined by the cleat web and engages at least one stud(s) and/or header of the wall structure, and the first side of the track plate engages the first side of the cleat. A related door mounting method includes mounting a cleat to the wall structure, hanging a track plate on the cleat, securing the track plate to the cleat, and hanging the door on the track plate.
    Type: Application
    Filed: November 28, 2022
    Publication date: June 1, 2023
    Inventors: Bryan Ogle, David Stewart, Phil LaMarche
  • Publication number: 20230155335
    Abstract: A light bulb socket adapter comprising a main body having an internal cavity, the main body having a first end and a second end, the first end having an Edison screw extending therefrom, a power supply driver arranged within the main body in communication with the Edison screw, a primary light source arranged within the main body proximate the second end, the primary light source in communication with the Edison screw, a processor arranged within the main body and in communication with the power supply drive, the processor in communication with at least one sensor within the main body, the processor having a radio transceiver and at least one antenna, and an electrical output in communication with the power supply driver. The light bulb socket adapter may also include at least one of a passive heat management system and an active heat management system.
    Type: Application
    Filed: November 11, 2022
    Publication date: May 18, 2023
    Inventors: David Stewart, Joseph T.J. Stewart
  • Publication number: 20230142556
    Abstract: A non-destructive testing (NDT) system which includes a chassis, a NDT scanner which may be an ultrasound scanner, a drive system comprising at least one drive wheel and at least one drive motor, a guidance system operatively connected to the drive system for controlling the motion of the NDT system, and a magnet assembly for adhering the NDT 5 system to a ferromagnetic object, which magnet assembly is configured to be switched on or off as required.
    Type: Application
    Filed: April 16, 2021
    Publication date: May 11, 2023
    Inventor: David STEWART
  • Publication number: 20230131097
    Abstract: A method of forming an article includes producing a base powder including a plurality of base particles. Each base particle includes an external surface and a first material. The method further includes removing one or more oxides from the external surface of each base particle to form a cleaned powder including a plurality of cleaned particles. Each cleaned particle includes a cleaned external surface made of the first material. The method further includes coating the cleaned external surface of each cleaned particle with a second material having a greater oxidation resistance than the first material to form a coated powder including a plurality of coated particles. Each coated particle includes an external layer including the second material that fully covers the cleaned external surface made of the first material. The method further includes forming the article using the coated powder.
    Type: Application
    Filed: September 30, 2022
    Publication date: April 27, 2023
    Applicant: ROLLS-ROYCE PLC
    Inventor: David A. STEWART
  • Patent number: 11582836
    Abstract: An apparatus for heating a window of a vehicle comprises an electrical storage unit configured to store an electrical charge and a plurality of heating circuits disposed on a window of the vehicle. The apparatus further comprises a controller configured to monitor the electrical charge of the electrical storage unit and selectively activate one or more of the heating circuits based on the electrical charge.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: February 14, 2023
    Assignee: Ford Global Technologies, LLC
    Inventors: Mary Caye Catherine Spieth, Mukesh Kumar, Lawrence C. Karas, David Stewart, Andrew Phillips, Ajay Pal, Yang Yang
  • Patent number: 11573415
    Abstract: This disclosure is directed to a system and method for changing an angle of incidence of a filter or filter wheel.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: February 7, 2023
    Assignee: RareCyte, Inc.
    Inventor: David Stewart
  • Patent number: 11534708
    Abstract: The present disclosure includes compositions and methods for filtering a liquid, e.g., water. The compositions herein may include a filter aid comprising a filter medium and packaging having at least one water-soluble portion. When the filter aid is introduced into the liquid to be filtered, the water-soluble portion(s) may dissolve or otherwise degrade in order to expose the filter medium to the liquid.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: December 27, 2022
    Assignee: IMERYS USA, INC.
    Inventors: Udaya Bhimaraja, David Gittins, David Stewart
  • Publication number: 20220333454
    Abstract: A method of recovering casing from a wellbore in which: a logging tool is run to an estimated stuck point of the casing through the central bore of the casing spear and casing cutter; the casing spear is attached to the casing and tension applied so that logging can be performed over a length at an estimated stuck point both with and without tension to provide the verified stuck point; and the casing cutter is positioned relative to this to cut the free casing; and the spear used to remove it. The method can be performed on a single trip. Embodiments include incorporating a packer to circulate fluid during casing cutting; a disconnect, anchor mechanism and motor to allow use of a motor to operate the cutter; and a Down Hole Power Tool with a method of establishing the required force to recover a length of stuck casing.
    Type: Application
    Filed: April 13, 2022
    Publication date: October 20, 2022
    Inventors: Alan Fairweather, David Stewart
  • Publication number: 20220297382
    Abstract: Systems, methods, and devices may be configured to detect and remediate component failures in three-dimensional object printers (10, 10a-f) preemptively. For example, systems may include: (a) a plurality of printers (10, 10a-f) each configured to produce three-dimensional objects (13), each printer including: (i) a plurality of subsystems; and (ii) at least one sensor; and (b) processor(s) (41, 42) and memory resource(s) (21) storing an inventory of available replacement components for at least some of said subsystems. The one or more memory resources may (21) store instructions that may cause the one or more processors to: (i) identify a predetermined pattern in data sensed during a process of producing a three-dimensional object by a sensor of a printer as an indicator of likely failure of a subsystem or component thereof; and (ii) assign a component in inventory to said printer based on a unique identifier of the printer and the indicator of likely failure identified in the signal.
    Type: Application
    Filed: May 27, 2020
    Publication date: September 22, 2022
    Inventors: Akruti M. Gupta, Devlin David Stewart, Gabriel Alfonso Navarro, Hunter Alex van Adelsberg
  • Publication number: 20220294638
    Abstract: A method for monitoring operation of a controller area network (CAN) comprising a plurality of nodes. The method comprises measuring a voltage associated with a CAN message transmitted on the network, determining a message signature in dependence on the measured voltage, and comparing the message signature with a node signature to determine the authenticity of the CAN message. One or more actions may be taken in dependence on the determined authenticity.
    Type: Application
    Filed: March 10, 2021
    Publication date: September 15, 2022
    Applicant: Warwick Control Technologies Limited
    Inventors: Christopher Patrick Quigley, David Stewart Roy Charles
  • Publication number: 20220265691
    Abstract: Cancer patients that express high levels of the E-selectin ligand (sialyl Lea/x) on their tumors have a poorer outcome. Interestingly, relapsed/refractory acute myeloid leukemia (AML) patients expressing high levels of sialyl Lex on their blasts show the greatest therapeutic response when treated with the E-selection inhibitor compound of Formula I. Transcriptome profiling of E-selectin ligand-forming glycosylation genes showed that ST3GAL4 and FUT7 were consistently expressed in the majority of cancers evaluated. Poor survival outcomes of FLT3-mutated AML patients that express high levels of ST3GAL4 and FUT7 implicated E-selectin in this disease state. These genes may be predictive biomarkers in AML patients. Methods of treatment of cancer comprising screening AML patients for expression of genes that contribute to the synthesis of the E-selectin ligand sialyl Lex, then treating those patients with an E-selection inhibitor, are disclosed.
    Type: Application
    Filed: July 12, 2020
    Publication date: August 25, 2022
    Applicant: GLYCOMIMETICS, INC.
    Inventors: John L. MAGNANI, William E. FOGLER, Helen M. THACKRAY, Eric J. FELDMAN, David STEWART
  • Patent number: 11422352
    Abstract: This disclosure is directed to system for transferring a substrate, such as a microscope slide, and holding the substrate within at least one device. The system includes a holder for holding the substrate and a gripper for transferring the substrate, such as between a cassette or stack and the holder. A method is also discussed herein.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: August 23, 2022
    Assignee: RareCyte, Inc.
    Inventors: Steve Quarre, Edward Shafer, David Stewart, Joel Smith
  • Patent number: 11406929
    Abstract: To provide a new compound with pores finely tunable in size so as to take up a specific element and release the specific element taken up in the pores as necessary, a synthesis method of the new compound, and a separation and recovery agent. The new compound represented by the following molecular formula: (NH4)[Ln(C2O4)2(H2O)] wherein Ln represents a lanthanide selected from Sm, Eu, Tb, Dy, Ho, Er, Tm, Yb, and Lu.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: August 9, 2022
    Assignee: Japan Atomic Energy Agency
    Inventors: Takuya Nankawa, Matthew Rosseinsky, David Stewart, Alexandros Katsoulidis