Patents by Inventor Gregory J. Sherwood

Gregory J. Sherwood 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).

  • Publication number: 20210147238
    Abstract: Embodiments herein relate to methods and systems for applying a transfer material layer to graphene during a graphene fabrication process. In an embodiment, a method of producing a graphene sensor element is included. The method includes forming a graphene layer on a growth substrate and applying a fluoropolymer coating layer over the graphene layer. The method includes removing the growth substrate and transferring the graphene and fluoropolymer coating layers onto a transfer substrate, where the graphene layer is disposed on the transfer substrate and the fluoropolymer layer is disposed on the graphene layer. The method also includes removing the fluoropolymer coating layer. Other embodiments are also included herein.
    Type: Application
    Filed: November 12, 2020
    Publication date: May 20, 2021
    Inventors: Steven J. Koester, Xue Zhen, Philippe Pierre Joseph Buhlmann, Qun Su, Justin Theodore Nelson, Gregory J. Sherwood
  • Publication number: 20210148848
    Abstract: Embodiments herein relate to systems and devices for measuring analyte presence on graphene varactors, which can be used for analyte sensing in physiological gas samples. In an embodiment, a system for measuring analyte presence on a graphene varactor is included having a capacitance to digital converter (CDC) and a graphene varactor. The CDC can be in electrical communication with the graphene varactor and can be configured to measure the capacitance of the graphene varactor in response to an excitation signal over a plurality of DC bias voltages. Other embodiments are also included herein.
    Type: Application
    Filed: November 23, 2020
    Publication date: May 20, 2021
    Inventors: David W. Kelly, Gregory J. Sherwood, Justin Theodore Nelson
  • Publication number: 20210072208
    Abstract: Embodiments herein relate to breath analysis system. In an embodiment, a gas measurement device is included having a housing defining an interior volume. The housing can include a fluid ingress port, a fluid egress port, a bottom wall, and a circuit board disposed within the interior volume. The circuit board can include a first side and a second side, where the first side of the circuit board faces inward toward the interior volume. The circuit board can include a plurality of gas sensors disposed on the first side of the circuit board and a plurality of conductive pads disposed on the second side of the circuit board, wherein a plurality of electrical contacts contact the conductive pads when the circuit board is seated within the housing. Other embodiments are also included herein.
    Type: Application
    Filed: September 4, 2020
    Publication date: March 11, 2021
    Inventors: Gregory J. Sherwood, Justin Theodore Nelson, Raia Colette Finc, Michael J. Lyden, John M. Darst, Michael Mathias Freking
  • Patent number: 10933246
    Abstract: A method of preventing infection resulting from implanting a medical device. The method includes installing a polymer device at least substantially within a subcutaneous pocket formed to contain a housing of the medical device, and installing the medical device housing in the subcutaneous pocket. The polymer device includes a bioresorbable polymer structure and an antimicrobial agent configured to elute from the polymer structure. The polymer device covers less than about 20% of the surface area of the medical device housing.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: March 2, 2021
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Gregory J. Sherwood, Mary M. Byron, David R. Wulfman
  • Patent number: 10852264
    Abstract: Embodiments herein relate to systems and devices for measuring analyte presence on graphene varactors, which can be used for analyte sensing in physiological gas samples. In an embodiment, a system for measuring analyte presence on a graphene varactor is included having a capacitance to digital converter (CDC) and a graphene varactor. The CDC can be in electrical communication with the graphene varactor and can be configured to measure the capacitance of the graphene varactor in response to an excitation signal over a plurality of DC bias voltages. Other embodiments are also included herein.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: December 1, 2020
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: David W. Kelly, Gregory J. Sherwood, Justin Theodore Nelson
  • Patent number: 10770182
    Abstract: Embodiments herein include medical systems, devices, and methods for assessing the health status of a patient. In an embodiment, a method includes evaluating the presence of volatile organic compounds in a breath or gas sample of the patient with a plurality of graphene sensors to generate volatile organic compound data, wherein the plurality of graphene sensors include sensors that are specific for different volatile organic compounds. The method can further include collecting data regarding the patient's sympathetic nervous activity. The method can further include combining the volatile organic compound data with the collected data regarding the patient's sympathetic nervous activity to form a combined data set. The method can further include matching the combined data set against one or more data patterns to find the best match, the best match indicating the health status of the patient. Other embodiments are also included herein.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: September 8, 2020
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Gregory J. Sherwood, Kyle Harish Srivastava, Bryan Allen Clark, Justin Theodore Nelson, Carl Walter Bauer
  • Publication number: 20200219661
    Abstract: A capacitor case sealed to retain electrolyte; a sintered anode disposed in the capacitor case, the sintered anode having a shape wherein the sintered anode includes a mating portion; a conductor coupled to the sintered anode, the conductor sealingly extending through the capacitor case to a terminal disposed on an exterior of the capacitor case; a sintered cathode disposed in the capacitor case, the sintered cathode having a shape that mates with the mating portion of the sintered anode such that the sintered cathode matingly fits in the mating portion of the sintered anode; a separator between the sintered anode and the sintered cathode; and a second terminal disposed on the exterior of the capacitor case and in electrical communication with the sintered cathode, with the terminal and the second terminal electrically isolated from one another.
    Type: Application
    Filed: March 19, 2020
    Publication date: July 9, 2020
    Inventors: Gregory J. Sherwood, Peter Jay Kuhn, Jaymes Olson, Matthew Anderson, Brian V. Waytashek, Aaron Louis Floeter
  • Publication number: 20200191737
    Abstract: Embodiments herein include a kinetic response system for measuring analyte presence on a chemical sensor element. The chemical sensor element includes one or more discrete binding detectors, each discrete binding detector including a graphene varactor. The kinetic response system includes a measurement circuit having an excitation voltage generator for generating a series of excitation cycles over a time period. Each excitation cycle includes delivering a DC bias voltage to the discrete binding detectors at multiple discrete DC bias voltages across a range of DC bias voltages. The kinetic response system includes a capacitance sensor to measure capacitance of the discrete binding detectors resulting from the excitation cycles. The kinetic response system includes a controller circuit to determine the kinetics of change in at least one of a measured capacitance value and a calculated value based on the measured capacitance over the time period. Other embodiments are also included herein.
    Type: Application
    Filed: December 12, 2019
    Publication date: June 18, 2020
    Inventors: Gregory J. Sherwood, Justin Theodore Nelson, Steven J. Koester
  • Publication number: 20200166435
    Abstract: Embodiments herein include a method for detecting a health condition of a subject. The method can include obtaining a biological sample from the subject and placing it into a container having a headspace surrounding the biological sample. The method can include contacting a gas from the headspace with a chemical sensor element, the chemical sensor element including one or more discrete graphene varactors. The method can include sensing and storing capacitance of the discrete graphene varactors to obtain a sample data set. Other embodiments are also included herein.
    Type: Application
    Filed: November 26, 2019
    Publication date: May 28, 2020
    Inventors: Gregory J. Sherwood, Justin Theodore Nelson
  • Patent number: 10636578
    Abstract: A capacitor case sealed to retain electrolyte; a sintered anode disposed in the capacitor case, the sintered anode having a shape wherein the sintered anode includes a mating portion; a conductor coupled to the sintered anode, the conductor sealingly extending through the capacitor case to a terminal disposed on an exterior of the capacitor case; a sintered cathode disposed in the capacitor case, the sintered cathode having a shape that mates with the mating portion of the sintered anode such that the sintered cathode matingly fits in the mating portion of the sintered anode; a separator between the sintered anode and the sintered cathode; and a second terminal disposed on the exterior of the capacitor case and in electrical communication with the sintered cathode, with the terminal and the second terminal electrically isolated from one another.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: April 28, 2020
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Gregory J. Sherwood, Peter Jay Kuhn, Jaymes Olson, Matthew Anderson, Brian V. Waytashek, Aaron Louis Floeter
  • Publication number: 20200124588
    Abstract: Embodiments herein include a method for detecting a brain condition in a subject. The method can include obtaining a breath sample from the subject and contacting it with a chemical sensor element, where the chemical sensor element includes a plurality of discrete graphene varactors. The method can include sensing and storing capacitance of the discrete graphene varactors to obtain a sample data set and classifying the sample data set into one or more preestablished brain condition classifications. Other embodiments are also included herein.
    Type: Application
    Filed: October 17, 2019
    Publication date: April 23, 2020
    Inventors: Gregory Kermit Peterson, Justin Theodore Nelson, Gregory J. Sherwood
  • Patent number: 10518004
    Abstract: An implantable drug eluting medical device includes a polymer substrate having a surface, a first plurality of nanofibers, and at least one antimicrobial drug. Each of the first plurality of nanofibers includes a first portion interpenetrated with the surface of the substrate to mechanically fix the nanofiber to the substrate, and a second portion projecting from the surface. The at least one antimicrobial drug is disposed within or among the second portion of the first plurality of nanofibers.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: December 31, 2019
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Mary M. Byron, David R. Wulfman, Angelo Fruci, Adam McGraw, Danielle Frankson, Gregory J. Sherwood, Joseph T. Delaney, Jr., Adeniyi O. Aremu
  • Publication number: 20190254538
    Abstract: Embodiments herein include a breath sampling mask, systems, and related methods. In an embodiment, a breath sensing system is included. The breath sensing system can include a breath sampling mask. The breath sampling mask can include a mask housing configured to cover a portion of the face of a patient. The mask housing can define a breath receiving chamber. The breath sampling mask can include a chemical sensor element in fluid communication with the breath sampling mask, where the chemical sensor element can include a plurality of discrete binding detectors. The chemical sensor element can interface with a breath sample collected through the breath sampling mask. Other embodiments are also included herein.
    Type: Application
    Filed: February 20, 2019
    Publication date: August 22, 2019
    Inventors: Arthur Guy Erdman, Gregory J. Sherwood, Gregory Kermit Peterson, Justin Theodore Nelson, Michael Mathias Freking
  • Publication number: 20190240492
    Abstract: This document describes an implantable medical device including a housing. Electronic components are located within the housing, and a non-metallic hydrogen getter is located within the housing.
    Type: Application
    Filed: April 15, 2019
    Publication date: August 8, 2019
    Inventors: Michael C. Smith, Gregory J. Sherwood, Dustin J. Olynyk, John M. Edgell, Daniel Bowen, Scott Heineman, Joseph Thomas Delaney, JR., Kyle A. Kalstabakken
  • Publication number: 20190184158
    Abstract: A method of preventing infection resulting from implanting a medical device. The method includes installing a polymer device at least substantially within a subcutaneous pocket formed to contain a housing of the medical device, and installing the medical device housing in the subcutaneous pocket. The polymer device includes a bioresorbable polymer structure and an antimicrobial agent configured to elute from the polymer structure. The polymer device covers less than about 20% of the surface area of the medical device housing.
    Type: Application
    Filed: February 7, 2019
    Publication date: June 20, 2019
    Inventors: Gregory J. Sherwood, Mary M. Byron, David R. Wulfman
  • Publication number: 20190172653
    Abstract: An example includes a capacitor case sealed to retain electrolyte, at least one anode disposed in the capacitor case, the at least one anode comprising a sintered portion disposed on a substrate, an anode conductor coupled to the substrate in electrical communication with the sintered portion, the anode conductor sealingly extending through the capacitor case to an anode terminal disposed on the exterior of the capacitor case with the anode terminal in electrical communication with the sintered portion, a second electrode disposed in the capacitor case, a separator disposed between the second electrode and the anode and a second electrode terminal disposed on an exterior of the capacitor case and in electrical communication with the second electrode, with the anode terminal and the second electrode terminal electrically isolated from one another.
    Type: Application
    Filed: February 5, 2019
    Publication date: June 6, 2019
    Inventors: Gregory J. Sherwood, Michael J. Root, Eric Stemen
  • Patent number: 10236131
    Abstract: An example includes a capacitor case sealed to retain electrolyte, at least one anode disposed in the capacitor case, the at least one anode comprising a sintered portion disposed on a substrate, an anode conductor coupled to the substrate in electrical communication with the sintered portion, the anode conductor sealingly extending through the capacitor case to an anode terminal disposed on the exterior of the capacitor case with the anode terminal in electrical communication with the sintered portion, a second electrode disposed in the capacitor case, a separator disposed between the second electrode and the anode and a second electrode terminal disposed on an exterior of the capacitor case and in electrical communication with the second electrode, with the anode terminal and the second electrode terminal electrically isolated from one another.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: March 19, 2019
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Gregory J. Sherwood, Michael J. Root, Eric Stemen
  • Publication number: 20190025237
    Abstract: Embodiments herein relate to systems and devices for measuring analyte presence on graphene varactors, which can be used for analyte sensing in physiological gas samples. In an embodiment, a system for measuring analyte presence on a graphene varactor is included having a capacitance to digital converter (CDC) and a graphene varactor. The CDC can be in electrical communication with the graphene varactor and can be configured to measure the capacitance of the graphene varactor in response to an excitation signal over a plurality of DC bias voltages. Other embodiments are also included herein.
    Type: Application
    Filed: July 17, 2018
    Publication date: January 24, 2019
    Inventors: David W. Kelly, Gregory J. Sherwood, Justin Theodore Nelson
  • Publication number: 20180358183
    Abstract: A capacitor case sealed to retain electrolyte; a sintered anode disposed in the capacitor case, the sintered anode having a shape wherein the sintered anode includes a mating portion; a conductor coupled to the sintered anode, the conductor sealingly extending through the capacitor case to a terminal disposed on an exterior of the capacitor case; a sintered cathode disposed in the capacitor case, the sintered cathode having a shape that mates with the mating portion of the sintered anode such that the sintered cathode matingly fits in the mating portion of the sintered anode; a separator between the sintered anode and the sintered cathode; and a second terminal disposed on the exterior of the capacitor case and in electrical communication with the sintered cathode, with the terminal and the second terminal electrically isolated from one another.
    Type: Application
    Filed: August 21, 2018
    Publication date: December 13, 2018
    Inventors: Gregory J. Sherwood, Peter Jay Kuhn, Jaymes Olson, Matthew Anderson, Brian V. Waytashek, Aaron Louis Floeter
  • Publication number: 20180336970
    Abstract: Embodiments herein include medical systems, devices, and methods for assessing the health status of a patient. In an embodiment, a method includes evaluating the presence of volatile organic compounds in a breath or gas sample of the patient with a plurality of graphene sensors to generate volatile organic compound data, wherein the plurality of graphene sensors include sensors that are specific for different volatile organic compounds. The method can further include collecting data regarding the patient's sympathetic nervous activity. The method can further include combining the volatile organic compound data with the collected data regarding the patient's sympathetic nervous activity to form a combined data set. The method can further include matching the combined data set against one or more data patterns to find the best match, the best match indicating the health status of the patient. Other embodiments are also included herein.
    Type: Application
    Filed: May 17, 2018
    Publication date: November 22, 2018
    Inventors: Gregory J. Sherwood, Kyle Harish Srivastava, Bryan Allen Clark, Justin Theodore Nelson, Carl Walter Bauer