Patents by Inventor Glenn J. Szejna

Glenn J. Szejna 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).

  • METHODS OF SPERM CELL SENSING UTILIZING A SEMICONDUCTOR DETECTOR AND CYTOMETER APPARATUS
    Publication number: 20240113246
    Abstract: A cytometer includes an avalanche photodiode, a switching power supply, a filter, and voltage adjustment circuitry. The switching power supply includes a feedback loop. The filter is electrically connected between the switching power supply and the avalanche photodiode. The voltage adjustment circuitry adjusts a voltage on the feedback loop based at least in part on a voltage measured between the filter and the avalanche photodiode.
    Type: Application
    Filed: November 22, 2023
    Publication date: April 4, 2024
    Inventors: Frederick Savage, Glenn J. Szejna, Zheng Xia
  • Methods of sperm cell sensing utilizing a semiconductor detector and cytometer apparatus
    Patent number: 11862748
    Abstract: A cytometer includes an avalanche photodiode, a switching power supply, a filter, and voltage adjustment circuitry. The switching power supply includes a feedback loop. The filter is electrically connected between the switching power supply and the avalanche photodiode. The voltage adjustment circuitry adjusts a voltage on the feedback loop based at least in part on a voltage measured between the filter and the avalanche photodiode.
    Type: Grant
    Filed: February 1, 2023
    Date of Patent: January 2, 2024
    Assignee: ABS Global, Inc.
    Inventors: Frederick Savage, Glenn J. Szejna, Zheng Xia
  • METHODS OF SPERM CELL SENSING UTILIZING A SEMICONDUCTOR DETECTOR AND CYTOMETER APPARATUS
    Publication number: 20230178678
    Abstract: A cytometer includes an avalanche photodiode, a switching power supply, a filter, and voltage adjustment circuitry. The switching power supply includes a feedback loop. The filter is electrically connected between the switching power supply and the avalanche photodiode. The voltage adjustment circuitry adjusts a voltage on the feedback loop based at least in part on a voltage measured between the filter and the avalanche photodiode.
    Type: Application
    Filed: February 1, 2023
    Publication date: June 8, 2023
    Inventors: Frederick Savage, Glenn J. Szejna, Zheng Xia
  • Methods of sperm cell sensing utilizing an avalanche photodiode and cytometer apparatus
    Patent number: 11600736
    Abstract: A cytometer includes an avalanche photodiode, a switching power supply, a filter, and voltage adjustment circuitry. The switching power supply includes a feedback loop. The filter is electrically connected between the switching power supply and the avalanche photodiode. The voltage adjustment circuitry adjusts a voltage on the feedback loop based at least in part on a voltage measured between the filter and the avalanche photodiode.
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: March 7, 2023
    Assignee: ABS Global, Inc.
    Inventors: Frederick Savage, Glenn J. Szejna, Zheng Xia
  • METHODS OF SPERM CELL SENSING UTILIZING AN AVALANCHE PHOTODIODE AND CYTOMETER APPARATUS
    Publication number: 20220246785
    Abstract: A cytometer includes an avalanche photodiode, a switching power supply, a filter, and voltage adjustment circuitry. The switching power supply includes a feedback loop. The filter is electrically connected between the switching power supply and the avalanche photodiode. The voltage adjustment circuitry adjusts a voltage on the feedback loop based at least in part on a voltage measured between the filter and the avalanche photodiode.
    Type: Application
    Filed: April 25, 2022
    Publication date: August 4, 2022
    Inventors: Frederick Savage, Glenn J. Szejna, Zheng Xia
  • Methods of sperm cell sensing utilizing an avalanche photodiode and cytometer apparatus
    Patent number: 11342473
    Abstract: A cytometer includes an avalanche photodiode, a switching power supply, a filter, and voltage adjustment circuitry. The switching power supply includes a feedback loop. The filter is electrically connected between the switching power supply and the avalanche photodiode. The voltage adjustment circuitry adjusts a voltage on the feedback loop based at least in part on a voltage measured between the filter and the avalanche photodiode.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: May 24, 2022
    Assignee: ABS Global, Inc.
    Inventors: Frederick Savage, Glenn J. Szejna, Zheng Xia
  • METHODS OF SPERM CELL SENSING UTILIZING AN AVALANCHE PHOTODIODE AND CYTOMETER APPARATUS
    Publication number: 20210098645
    Abstract: A cytometer includes an avalanche photodiode, a switching power supply, a filter, and voltage adjustment circuitry. The switching power supply includes a feedback loop. The filter is electrically connected between the switching power supply and the avalanche photodiode. The voltage adjustment circuitry adjusts a voltage on the feedback loop based at least in part on a voltage measured between the filter and the avalanche photodiode.
    Type: Application
    Filed: November 20, 2020
    Publication date: April 1, 2021
    Inventors: Frederick Savage, Glenn J. Szejna, Zheng Xia
  • Methods of sperm cell sensing utilizing an avalanche photodiode and cytometer apparatus
    Patent number: 10879416
    Abstract: A cytometer includes an avalanche photodiode, a switching power supply, a filter, and voltage adjustment circuitry. The switching power supply includes a feedback loop. The filter is electrically connected between the switching power supply and the avalanche photodiode. The voltage adjustment circuitry adjusts a voltage on the feedback loop based at least in part on a voltage measured between the filter and the avalanche photodiode.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: December 29, 2020
    Assignee: ABS Global, Inc.
    Inventors: Frederick Savage, Glenn J. Szejna, Zheng Xia
  • Avalanche photodiode and cytometer sperm sex sensing apparatus
    Patent number: 10763387
    Abstract: A cytometer includes an avalanche photodiode, a switching power supply, a filter, and voltage adjustment circuitry. The switching power supply includes a feedback loop. The filter is electrically connected between the switching power supply and the avalanche photodiode. The voltage adjustment circuitry adjusts a voltage on the feedback loop based at least in part on a voltage measured between the filter and the avalanche photodiode.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: September 1, 2020
    Assignee: ABS Global, Inc.
    Inventors: Frederick Hershel Savage, Glenn J. Szejna, Zheng Xia
  • AVALANCHE PHOTODIODE AND CYTOMETER SPERM SEX SENSING APPARATUS
    Publication number: 20200220038
    Abstract: A cytometer includes an avalanche photodiode, a switching power supply, a filter, and voltage adjustment circuitry. The switching power supply includes a feedback loop. The filter is electrically connected between the switching power supply and the avalanche photodiode. The voltage adjustment circuitry adjusts a voltage on the feedback loop based at least in part on a voltage measured between the filter and the avalanche photodiode.
    Type: Application
    Filed: March 18, 2020
    Publication date: July 9, 2020
    Inventors: Frederick Savage, Glenn J. Szejna, Zheng Xia
  • CYTOMETER SPERM SEX SENSING APPARATUS WITH AN AVALANCHE PHOTODIODE
    Publication number: 20190259901
    Abstract: A cytometer includes an avalanche photodiode, a switching power supply, a filter, and voltage adjustment circuitry. The switching power supply includes a feedback loop. The filter is electrically connected between the switching power supply and the avalanche photodiode. The voltage adjustment circuitry adjusts a voltage on the feedback loop based at least in part on a voltage measured between the filter and the avalanche photodiode.
    Type: Application
    Filed: May 3, 2019
    Publication date: August 22, 2019
    Inventors: Frederick Hershel Savage, Glenn J. Szejna, Zheng Xia
  • Cytometer sperm sex sensing apparatus with an avalanche photodiode
    Patent number: 10333018
    Abstract: A cytometer includes an avalanche photodiode, a switching power supply, a filter, and voltage adjustment circuitry. The switching power supply includes a feedback loop. The filter is electrically connected between the switching power supply and the avalanche photodiode. The voltage adjustment circuitry adjusts a voltage on the feedback loop based at least in part on a voltage measured between the filter and the avalanche photodiode.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: June 25, 2019
    Assignee: Premium Genetics (UK) LTD
    Inventors: Frederick Hershel Savage, Glenn J. Szejna, Zheng Xia
  • CYTOMETER SPERM SEX SENSING APPARATUS WITH AN AVALANCHE PHOTODIODE
    Publication number: 20190088813
    Abstract: A cytometer includes an avalanche photodiode, a switching power supply, a filter, and voltage adjustment circuitry. The switching power supply includes a feedback loop. The filter is electrically connected between the switching power supply and the avalanche photodiode. The voltage adjustment circuitry adjusts a voltage on the feedback loop based at least in part on a voltage measured between the filter and the avalanche photodiode.
    Type: Application
    Filed: August 6, 2018
    Publication date: March 21, 2019
    Inventors: Frederick Hershel Savage, Glenn J. Szejna, Zheng Xia
  • Cytometer sperm sex sensing apparatus with an avalanche photodiode
    Patent number: 10069027
    Abstract: A cytometer includes an avalanche photodiode, a switching power supply, a filter, and voltage adjustment circuitry. The switching power supply includes a feedback loop. The filter is electrically connected between the switching power supply and the avalanche photodiode. The voltage adjustment circuitry adjusts a voltage on the feedback loop based at least in part on a voltage measured between the filter and the avalanche photodiode.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: September 4, 2018
    Assignee: PREMIUM GENETICS (UK) LTD
    Inventors: Frederick Hershel Savage, Glenn J. Szejna, Zheng Xia