Patents by Inventor Fedor Ilkov

Fedor Ilkov 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: 20250251333
    Abstract: Systems for detecting light (e.g., in a flow stream) are described. Light detection systems according to certain embodiments include a wavelength separator configured to generate first, second and third predetermined spectral ranges of light from a light source and first, second and third light detection modules configured to receive each of the first, second and third predetermined spectral ranges of light, the light detection modules having a plurality of photodetectors and an optical component that conveys light having a predetermined sub-spectral range to the photodetectors. Systems and methods for measuring light emitted by a sample (e.g., in a flow stream) and kits having three or more wavelength separators, a plurality of photodetectors and an optical component are also provided.
    Type: Application
    Filed: April 25, 2025
    Publication date: August 7, 2025
    Inventor: Fedor Ilkov
  • Patent number: 12360041
    Abstract: Aspects of the disclosure include systems for irradiating a sample in a flow stream. Systems according to certain embodiments include a light propagator having a first fiber optic operably coupled to a first laser and configured to receive light from the first laser at a proximal end and to convey the laser light from a distal end to a first position on the flow stream and a second fiber optic operably coupled to a second laser and configured to receive light from the second laser at a proximal end and to convey the laser light from a distal end to a second position on the flow stream. Methods for irradiating a sample in a flow stream with the subject systems and detecting light from two or more positions on irradiated flow stream are also provided.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: July 15, 2025
    Assignee: BECTON, DICKINSON AND COMPANY
    Inventors: Bing Shan, Jizuo Zou, Svitlana Berezhna, Eric D. Diebold, An-Dien Nguyen, Fedor Ilkov, Mark Dorighi
  • Patent number: 12313520
    Abstract: Systems for detecting light (e.g., in a flow stream) are described. Light detection systems according to certain embodiments include a wavelength separator configured to generate first, second and third predetermined spectral ranges of light from a light source and first, second and third light detection modules configured to receive each of the first, second and third predetermined spectral ranges of light, the light detection modules having a plurality of photodetectors and an optical component that conveys light having a predetermined sub-spectral range to the photodetectors. Systems and methods for measuring light emitted by a sample (e.g., in a flow stream) and kits having three or more wavelength separators, a plurality of photodetectors and an optical component are also provided.
    Type: Grant
    Filed: June 5, 2024
    Date of Patent: May 27, 2025
    Assignee: BECTON, DICKINSON AND COMPANY
    Inventor: Fedor Ilkov
  • Publication number: 20240418675
    Abstract: A method includes providing a system comprising an electrophoresis cartridge interface that releasably engages with an electrophoresis cartridge that includes an anode, a cathode, and at least one electrophoresis capillary that is in fluid communication with the anode and the cathode.
    Type: Application
    Filed: August 26, 2024
    Publication date: December 19, 2024
    Applicant: IntegenX, Inc.
    Inventors: Alexander Kindwall, Chungsoo Charles Park, Fedor Ilkov, Stevan Jovanovich, David King, Tristan Robert Littlehale, David Grant Nilson, Rick Pittaro, Robert A. Schueren, Mattias Vangbo, Philip Justus Wunderle
  • Publication number: 20240353308
    Abstract: Systems for detecting light (e.g., in a flow stream) are described. Light detection systems according to certain embodiments include a wavelength separator configured to generate first, second and third predetermined spectral ranges of light from a light source and first, second and third light detection modules configured to receive each of the first, second and third predetermined spectral ranges of light, the light detection modules having a plurality of photodetectors and an optical component that conveys light having a predetermined sub-spectral range to the photodetectors. Systems and methods for measuring light emitted by a sample (e.g., in a flow stream) and kits having three or more wavelength separators, a plurality of photodetectors and an optical component are also provided.
    Type: Application
    Filed: June 5, 2024
    Publication date: October 24, 2024
    Inventor: Fedor Ilkov
  • Patent number: 12038373
    Abstract: Systems for detecting light (e.g., in a flow stream) are described. Light detection systems according to certain embodiments include a wavelength separator configured to generate first, second and third predetermined spectral ranges of light from a light source and first, second and third light detection modules configured to receive each of the first, second and third predetermined spectral ranges of light, the light detection modules having a plurality of photodetectors and an optical component that conveys light having a predetermined sub-spectral range to the photodetectors. Systems and methods for measuring light emitted by a sample (e.g., in a flow stream) and kits having three or more wavelength separators, a plurality of photodetectors and an optical component are also provided.
    Type: Grant
    Filed: August 18, 2023
    Date of Patent: July 16, 2024
    Assignee: BECTON, DICKINSON AND COMPANY
    Inventor: Fedor Ilkov
  • Patent number: 11994458
    Abstract: Integrated light interrogation modules are provided. In embodiments, the subject integrated light interrogation modules include a flow cell having a light-accessible flow channel for transporting particles in a flow stream, a focusing optical assembly integrated with the flow cell, and a connector for operably attaching a fiber optic light conveyor to the focusing optical assembly, where the focusing optical assembly is projects excitation wavelength light from the fiber optic light conveyor onto a focal spot of the flow cell when the fiber optic light conveyor is operably attached to the connector. In certain embodiments, focusing optical assemblies also include a connector for operably attaching a fiber optic light collection element for collecting fluorescent light emitted by the particles transported through the flow cell. Flow cytometers, methods and kits for practicing the invention are also provided.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: May 28, 2024
    Assignee: BECTON, DICKINSON AND COMPANY
    Inventor: Fedor Ilkov
  • Publication number: 20230417648
    Abstract: Systems for detecting light (e.g., in a flow stream) are described. Light detection systems according to certain embodiments include a wavelength separator configured to generate first, second and third predetermined spectral ranges of light from a light source and first, second and third light detection modules configured to receive each of the first, second and third predetermined spectral ranges of light, the light detection modules having a plurality of photodetectors and an optical component that conveys light having a predetermined sub-spectral range to the photodetectors. Systems and methods for measuring light emitted by a sample (e.g., in a flow stream) and kits having three or more wavelength separators, a plurality of photodetectors and an optical component are also provided.
    Type: Application
    Filed: August 18, 2023
    Publication date: December 28, 2023
    Inventor: Fedor Ilkov
  • Patent number: 11821830
    Abstract: Systems for detecting light (e.g., in a flow stream) are described. Light detection systems according to certain embodiments include a wavelength separator configured to generate first, second and third predetermined spectral ranges of light from a light source and first, second and third light detection modules configured to receive each of the first, second and third predetermined spectral ranges of light, the light detection modules having a plurality of photodetectors and an optical component that conveys light having a predetermined sub-spectral range to the photodetectors. Systems and methods for measuring light emitted by a sample (e.g., in a flow stream) and kits having three or more wavelength separators, a plurality of photodetectors and an optical component are also provided.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: November 21, 2023
    Assignee: BECTON, DICKINSON AND COMPANY
    Inventor: Fedor Ilkov
  • Patent number: 11781963
    Abstract: Aspects of the present disclosure include methods for determining a parameter of a photodetector (e.g., a photodetector in a particle analyzer). Methods according to certain embodiments include irradiating a photodetector positioned in a particle analyzer with a light source (e.g., a continuous wave light source) at a first intensity for a first predetermined time interval, irradiating the photodetector with the light source at a second intensity for a second predetermined time interval, integrating data signals from the photodetector over a period of time that includes the first predetermined interval and the second predetermined interval and determining one or more parameters of the photodetector based on the integrated data signals. Systems (e.g., particle analyzers) having light source and a photodetector for practicing the subject methods are also described.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: October 10, 2023
    Assignee: BECTON, DICKINSON AND COMPANY
    Inventors: Fedor Ilkov, Shreyas Bhaban
  • Publication number: 20230091403
    Abstract: Aspects of the present disclosure include methods for determining a parameter of a photodetector (e.g., a photodetector in a particle analyzer). Methods according to certain embodiments include irradiating a photodetector positioned in a particle analyzer with a light source (e.g., a continuous wave light source) at a first intensity for a first predetermined time interval, irradiating the photodetector with the light source at a second intensity for a second predetermined time interval, integrating data signals from the photodetector over a period of time that includes the first predetermined interval and the second predetermined interval and determining one or more parameters of the photodetector based on the integrated data signals. Systems (e.g., particle analyzers) having light source and a photodetector for practicing the subject methods are also described.
    Type: Application
    Filed: September 28, 2022
    Publication date: March 23, 2023
    Inventors: Fedor Ilkov, Shreyas Bhaban
  • Patent number: 11486812
    Abstract: Aspects of the present disclosure include methods for determining a parameter of a photodetector (e.g., a photodetector in a particle analyzer). Methods according to certain embodiments include irradiating a photodetector positioned in a particle analyzer with a light source (e.g., a continuous wave light source) at a first intensity for a first predetermined time interval, irradiating the photodetector with the light source at a second intensity for a second predetermined time interval, integrating data signals from the photodetector over a period of time that includes the first predetermined interval and the second predetermined interval and determining one or more parameters of the photodetector based on the integrated data signals. Systems (e.g., particle analyzers) having light source and a photodetector for practicing the subject methods are also described.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: November 1, 2022
    Assignee: BECTON, DICKINSON AND COMPANY
    Inventors: Fedor Ilkov, Shreyas Bhaban
  • Publication number: 20220244166
    Abstract: Integrated light interrogation modules are provided. In embodiments, the subject integrated light interrogation modules include a flow cell having a light-accessible flow channel for transporting particles in a flow stream, a focusing optical assembly integrated with the flow cell, and a connector for operably attaching a fiber optic light conveyor to the focusing optical assembly, where the focusing optical assembly is projects excitation wavelength light from the fiber optic light conveyor onto a focal spot of the flow cell when the fiber optic light conveyor is operably attached to the connector. In certain embodiments, focusing optical assemblies also include a connector for operably attaching a fiber optic light collection element for collecting fluorescent light emitted by the particles transported through the flow cell. Flow cytometers, methods and kits for practicing the invention are also provided.
    Type: Application
    Filed: December 8, 2021
    Publication date: August 4, 2022
    Inventor: Fedor Ilkov
  • Publication number: 20220120658
    Abstract: Flow cytometers including tilted beam shaping optical components are provided. In certain embodiments, the subject flow cytometers include a flow cell, a light source configured to produce a beam for irradiating particles in the flow cell at an interrogation point, and a tilted beam shaping optical component positioned between the light source and the flow cell. In such embodiments, the tilted beam shaping optical component is configured to generate beam ellipticity by creating astigmatism in the beam. In some embodiments, the tilted beam shaping optical component is a lens. In other embodiments, the tilted beam shaping optical component is a concave mirror. Methods of analyzing a sample using a flow cytometer including a tilted beam shaping optical component are also provided.
    Type: Application
    Filed: September 22, 2021
    Publication date: April 21, 2022
    Inventors: Bing Shan, Fedor Ilkov, Brianna Conroy
  • Publication number: 20220074858
    Abstract: Aspects of the disclosure include systems for irradiating a sample in a flow stream. Systems according to certain embodiments include a light propagator having a first fiber optic operably coupled to a first laser and configured to receive light from the first laser at a proximal end and to convey the laser light from a distal end to a first position on the flow stream and a second fiber optic operably coupled to a second laser and configured to receive light from the second laser at a proximal end and to convey the laser light from a distal end to a second position on the flow stream. Methods for irradiating a sample in a flow stream with the subject systems and detecting light from two or more positions on irradiated flow stream are also provided.
    Type: Application
    Filed: August 12, 2021
    Publication date: March 10, 2022
    Inventors: Bing Shan, Jizuo Zou, Svitlana Berezhna, Eric D. Diebold, An-Dien Nguyen, Fedor Ilkov, Mark Dorighi
  • Publication number: 20210325289
    Abstract: Aspects of the present disclosure include methods for determining a parameter of a photodetector (e.g., a photodetector in a particle analyzer). Methods according to certain embodiments include irradiating a photodetector positioned in a particle analyzer with a light source (e.g., a continuous wave light source) at a first intensity for a first predetermined time interval, irradiating the photodetector with the light source at a second intensity for a second predetermined time interval, integrating data signals from the photodetector over a period of time that includes the first predetermined interval and the second predetermined interval and determining one or more parameters of the photodetector based on the integrated data signals. Systems (e.g., particle analyzers) having light source and a photodetector for practicing the subject methods are also described.
    Type: Application
    Filed: March 15, 2021
    Publication date: October 21, 2021
    Inventors: Fedor Ilkov, Shreyas Bhaban
  • Publication number: 20210247293
    Abstract: Systems for detecting light (e.g., in a flow stream) are described. Light detection systems according to certain embodiments include a wavelength separator configured to generate first, second and third predetermined spectral ranges of light from a light source and first, second and third light detection modules configured to receive each of the first, second and third predetermined spectral ranges of light, the light detection modules having a plurality of photodetectors and an optical component that conveys light having a predetermined sub-spectral range to the photodetectors. Systems and methods for measuring light emitted by a sample (e.g., in a flow stream) and kits having three or more wavelength separators, a plurality of photodetectors and an optical component are also provided.
    Type: Application
    Filed: January 27, 2021
    Publication date: August 12, 2021
    Inventor: Fedor Ilkov
  • Patent number: 10690627
    Abstract: The present disclosure provides systems and methods for sample preparation, processing and analysis. Also provided in the present disclosure is a fully-integrated electrophoresis cartridge which has a small footprint and configured to removably engage with the system.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: June 23, 2020
    Assignee: IntegenX, Inc.
    Inventors: Alexander Kindwall, Chungsoo Charles Park, Fedor Ilkov, Stevan Jovanovich, David King, Tristan Robert Littlehale, David Grant Nilson, Rick Pittaro, Robert A. Schueren, Mattias Vangbo, Philip Justus Wunderle
  • Publication number: 20160116439
    Abstract: The present disclosure provides systems and methods for sample preparation, processing and analysis. Also provided in the present disclosure is a fully-integrated electrophoresis cartridge which has a small footprint and configured to removably engage with the system.
    Type: Application
    Filed: October 21, 2015
    Publication date: April 28, 2016
    Inventors: Alexander Kindwall, Chungsoo Charles Park, Fedor Ilkov, Stevan Jovanovich, David King, Tristan Robert Littlehale, David Grant Nilson, Rick Pittaro, Robert A. Schueren, Mattias Vangbo, Philip Justus Wunderle
  • Patent number: 8922778
    Abstract: In a particle analyzing apparatus including a capillary for passing through a fluid containing particles to be analyzed, an optical system is employed to collect fluorescent light emitted from particles or substances labeled to the particles with improved collection efficiency preserving resolution of the instrument. The optical system may include a first collection lens attached to the capillary and a first reflection element arranged adjacent to the first collection lens configured to reflect fluorescent light of one or more wavelengths. The optical system may include a second collection lens attached to the capillary and a second reflection element arranged adjacent to the second collection lens configured to reflect fluorescent light of one or more wavelengths.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: December 30, 2014
    Assignee: EMD Millipore Corporation
    Inventor: Fedor Ilkov