Patents by Inventor Ryan D. Jesswein

Ryan D. Jesswein 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: 20230273144
    Abstract: A system for determining a level of hematocrit includes a test strip configured to receive a sample; a meter configured to receive the test strip; and further including circuitry and a microprocessor, the circuitry and microprocessor configured to apply electrical energy to the test strip and the sample and determine an electrical property of the sample, either the impedance phase angle or the impendence magnitude of the test strip and the sample and, based on the electrical property, calculate the level of hematocrit in the sample.
    Type: Application
    Filed: May 4, 2023
    Publication date: August 31, 2023
    Inventors: Gary L. Hughes, Ryan D. Jesswein
  • Patent number: 11680925
    Abstract: A system for determining a level of hematocrit includes a test strip configured to receive a sample; a meter configured to receive the test strip; and further including circuitry and a microprocessor, the circuitry and microprocessor configured to apply electrical energy to the test strip and the sample and determine an electrical property of the sample, either the impedance phase angle or the impedance magnitude of the test strip and the sample and, based on the electrical property, calculate the level of hematocrit in the sample.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: June 20, 2023
    Assignee: Polymer Technology Systems, Inc.
    Inventors: Gary L. Hughes, Ryan D. Jesswein
  • Publication number: 20160146750
    Abstract: A system for determining a level of hematocrit includes a test strip configured to receive a sample; a meter configured to receive the test strip; and further including circuitry and a microprocessor, the circuitry and microprocessor configured to apply electrical energy to the test strip and the sample and determine an electrical property of the sample, either the impedance phase angle or the impedance magnitude of the test strip and the sample and, based on the electrical property, calculate the level of hematocrit in the sample.
    Type: Application
    Filed: November 25, 2015
    Publication date: May 26, 2016
    Inventors: Gary L. Hughes, Ryan D. Jesswein