Patents by Inventor Chris Todd

Chris Todd 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: 12595449
    Abstract: Embodiments described herein relate generally to devices, apparatuses, and systems with embedded electrodes for growing, maintaining, and/or using 3D tissues in vitro. The devices, apparatuses, and systems described herein can provide scalable, automated tissue stimulation.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: April 7, 2026
    Assignee: VALO HEALTH, INC.
    Inventors: Roozbeh Aschar-Sobbi, Maw-Lin Kuo, Roger Stenerson, Winston Sun, Dickshitha Thyagharajon, Ya Kevin Thao, Chris Todd, Brian Wilfley
  • Publication number: 20250387741
    Abstract: A filter coupling frame connecting filters to each other. The filter coupling frame may include one or more couplings interchangeable with each other to releasably engage a variety of filters. The coupling may include one or more latches. The coupling may include one or more alignment structures.
    Type: Application
    Filed: June 23, 2025
    Publication date: December 25, 2025
    Inventors: Chris Todd, Paul Jackson
  • Publication number: 20240085338
    Abstract: This invention is in the field of medical devices. Specifically, the present invention provides fluidic systems having a plurality of reaction sites surrounded by optical barriers to reduce the amount of optical cross-talk between signals detected from various reaction sites. The invention also provides a method of manufacturing fluidic systems and methods of using the systems.
    Type: Application
    Filed: April 17, 2023
    Publication date: March 14, 2024
    Inventors: Timothy Michael KEMP, Chris TODD, Ron ORAL, Shulin ZENG, John HOWARD, Jeff FENTON, Elizabeth A. HOLMES, Ian GIBBONS (deceased), Shaunak ROY
  • Publication number: 20230309857
    Abstract: A system comprises a mouth piece to receive exhaled air; a breath chamber to receive exhaled air; a valve to direct exhaled air along a desired flow path, direct purge gas along a desired flow path, control the rate of flow of purge gas, control the rate of flow of exhaled air, block the flow of purge gas, and/or block the flow of exhaled air; a source of purge gas; a CO2 cartridge to remove CO2; a water cartridge to remove water; a breath cartridge to capture VOCs from exhaled air; a temperature control system to control the temperature of CO2 cartridge, a water cartridge, and/or a breath cartridge; a cryostat to contain and limit heat flow to a cryogenic liquid; a flow meter designed to measure the flow of exhaled air and/or purge gas; and a pressure transducer to measure a pressure, a flow rate, and/or a flow volume.
    Type: Application
    Filed: April 13, 2023
    Publication date: October 5, 2023
    Inventors: Chris Wheeler, Chris Todd, Jeffrey A. Schuster, Karl-Magnus Larsson
  • Patent number: 11660021
    Abstract: A system comprises a mouth piece to receive exhaled air; a breath chamber to receive exhaled air; a valve to direct exhaled air along a desired flow path, direct purge gas along a desired flow path, control the rate of flow of purge gas, control the rate of flow of exhaled air, block the flow of purge gas, and/or block the flow of exhaled air; a source of purge gas; a CO2 cartridge to remove CO2; a water cartridge to remove water; a breath cartridge to capture VOCs from exhaled air; a temperature control system to control the temperature of CO2 cartridge, a water cartridge, and/or a breath cartridge; a cryostat to contain and limit heat flow to a cryogenic liquid; a flow meter designed to measure the flow of exhaled air and/or purge gas; and a pressure transducer to measure a pressure, a flow rate, and/or a flow volume.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: May 30, 2023
    Assignee: Diagnose Early, Inc.
    Inventors: Chris Wheeler, Chris Todd, Jeffrey A. Schuster, Karl-Magnus Larsson
  • Patent number: 11630069
    Abstract: This invention is in the field of medical devices. Specifically, the present invention provides fluidic systems having a plurality of reaction sites surrounded by optical barriers to reduce the amount of optical cross-talk between signals detected from various reaction sites. The invention also provides a method of manufacturing fluidic systems and methods of using the systems.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: April 18, 2023
    Assignee: Labrador Diagnostics LLC
    Inventors: Timothy Michael Kemp, Chris Todd, Ron Oral, Shulin Zeng, John Howard, Jeff Fenton, Elizabeth A. Holmes, Ian Gibbons, Shaunak Roy
  • Publication number: 20230113389
    Abstract: Embodiments described herein relate generally to devices, apparatuses, and systems with embedded electrodes for rowing, maintaining, and/or using 3D tissues in vitro. The devices, apparatuses, and systems described herein can provide scalable, automated tissue stimulation.
    Type: Application
    Filed: February 3, 2021
    Publication date: April 13, 2023
    Inventors: Roozbeh Aschar-Sobbi, Maw-Lin Kuo, Roger Stenerson, Winston Sun, Dickshitha Thyagharajon, Ya Kevin Thao, Chris Todd, Brian Wilfley
  • Publication number: 20230035908
    Abstract: This invention is in the field of medical devices. Specifically, the present invention provides portable medical devices that allow real-time detection of analytes from a biological fluid. The methods and devices are particularly useful for providing point-of-care testing for a variety of medical applications.
    Type: Application
    Filed: March 28, 2022
    Publication date: February 2, 2023
    Inventors: Elizabeth A. Holmes, Shaunak Roy, Ian Gibbons, Shize Daniel Qi, Edmond Ku, Chris Todd, Melissa Takahashi, Bruce Johnson, Jeff Fenton, Keith Moravick, Uwe Springborn, Anthony Delacruz
  • Patent number: 11287421
    Abstract: This invention is in the field of medical devices. Specifically, the present invention provides portable medical devices that allow real-time detection of analytes from a biological fluid. The methods and devices are particularly useful for providing point-of-care testing for a variety of medical applications.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: March 29, 2022
    Assignee: Labrador Diagnostics LLC
    Inventors: Elizabeth A. Holmes, Shaunak Roy, Ian Gibbons, Shize Daniel Qi, Edmond Ku, Chris Todd, Melissa Takahashi, Bruce Johnson, Jeff Fenton, Keith Moravick, Uwe Springborn, Anthony Delacruz
  • Publication number: 20200187828
    Abstract: A system comprises a mouth piece to receive exhaled air; a breath chamber to receive exhaled air; a valve to direct exhaled air along a desired flow path, direct purge gas along a desired flow path, control the rate of flow of purge gas, control the rate of flow of exhaled air, block the flow of purge gas, and/or block the flow of exhaled air; a source of purge gas; a CO2 cartridge to remove CO2; a water cartridge to remove water; a breath cartridge to capture VOCs from exhaled air; a temperature control system to control the temperature of CO2 cartridge, a water cartridge, and/or a breath cartridge; a cryostat to contain and limit heat flow to a cryogenic liquid; a flow meter designed to measure the flow of exhaled air and/or purge gas; and a pressure transducer to measure a pressure, a flow rate, and/or a flow volume.
    Type: Application
    Filed: December 13, 2019
    Publication date: June 18, 2020
    Inventors: Chris WHEELER, Chris TODD, Jeffrey A. SCHUSTER, Karl-Magnus LARSSON
  • Patent number: 10533994
    Abstract: This invention is in the field of medical devices. Specifically, the present invention provides portable medical devices that allow real-time detection of analytes from a biological fluid. The methods and devices are particularly useful for providing point-of-care testing for a variety of medical applications.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: January 14, 2020
    Assignee: Theranos IP Company, LLC
    Inventors: Elizabeth A. Holmes, Shaunak Roy, Ian Gibbons, Shize Daniel Qi, Edmond Ku, Chris Todd, Melissa Takahashi, Bruce Johnson, Jeff Fenton, Keith Moravick, Uwe Springborn, Anthony Delacruz
  • Patent number: 10527554
    Abstract: This invention is in the field of medical devices. Specifically, the present invention provides fluidic systems having a plurality of reaction sites surrounded by optical barriers to reduce the amount of optical cross-talk between signals detected from various reaction sites. The invention also provides a method of manufacturing fluidic systems and methods of using the systems.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: January 7, 2020
    Assignee: Theranos IP Company, LLC
    Inventors: Timothy Michael Kemp, Chris Todd, Ron Oral, Shulin Zeng, John Howard, Jeff Fenton, Elizabeth A. Holmes, Ian Gibbons, Shaunak Roy
  • Patent number: 10061107
    Abstract: Systems and techniques for an optical scanning microscope and/or other appropriate imaging system includes components for scanning and collecting focused images of a tissue sample and/or other object disposed on a slide. The focusing system described herein provides for determining best focus for each snapshot as a snapshot is captured, which may be referred to as “on-the-fly focusing.” The devices and techniques provided herein lead to significant reductions in the time required for forming a digital image of an area in a pathology slide and provide for the creation of high quality digital images of a specimen at high throughput.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: August 28, 2018
    Assignee: Ventana Medical Systems, Inc.
    Inventors: Gregory C. Loney, Glenn Stark, Chris Todd, Bikash Sabata
  • Publication number: 20180231533
    Abstract: This invention is in the field of medical devices. Specifically, the present invention provides portable medical devices that allow real-time detection of analytes from a biological fluid. The methods and devices are particularly useful for providing point-of-care testing for a variety of medical applications.
    Type: Application
    Filed: April 12, 2018
    Publication date: August 16, 2018
    Inventors: Elizabeth A. HOLMES, Shaunak Roy, Ian Gibbons, Shize Daniel Qi, Edmond Ku, Chris Todd, Melissa Takahashi, Bruce Johnson, Jeff Fenton, Keith Moravick, Uwe Springborn, Anthony Delacruz
  • Publication number: 20180045649
    Abstract: This invention is in the field of medical devices. Specifically, the present invention provides fluidic systems having a plurality of reaction sites surrounded by optical barriers to reduce the amount of optical cross-talk between signals detected from various reaction sites. The invention also provides a method of manufacturing fluidic systems and methods of using the systems.
    Type: Application
    Filed: August 29, 2017
    Publication date: February 15, 2018
    Inventors: Timothy Michael Kemp, Chris Todd, Ron Oral, Shulin Zeng, John Howard, Jeff Fenton
  • Patent number: 9772291
    Abstract: This invention is in the field of medical devices. Specifically, the present invention provides fluidic systems having a plurality of reaction sites surrounded by optical barriers to reduce the amount of optical cross-talk between signals detected from various reaction sites. The invention also provides a method of manufacturing fluidic systems and methods of using the systems.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: September 26, 2017
    Assignee: Theranos, Inc.
    Inventors: Timothy Michael Kemp, Chris Todd, Ron Oral, Shulin Zeng, John Howard, Jeff Fenton
  • Patent number: 9575301
    Abstract: Systems and techniques for an optical scanning microscope and/or other appropriate imaging system includes components for scanning and collecting focused images of a tissue sample and/or other object disposed on a slide. The focusing system described herein provides for determining best focus for each snapshot as a snapshot is captured, which may be referred to as “on-the-fly focusing.” The devices and techniques provided herein lead to significant reductions in the time required for forming a digital image of an area in a pathology slide and provide for the creation of high quality digital images of a specimen at high throughput.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: February 21, 2017
    Assignee: Ventana Medical Systems, Inc.
    Inventors: Gregory C. Loney, Glenn Stark, Chris Todd, Bikash Sabata
  • Publication number: 20160077086
    Abstract: This invention is in the field of medical devices. Specifically, the present invention provides portable medical devices that allow real-time detection of analytes from a biological fluid. The methods and devices are particularly useful for providing point-of-care testing for a variety of medical applications.
    Type: Application
    Filed: September 28, 2015
    Publication date: March 17, 2016
    Inventors: Elizabeth A. Holmes, Shaunak Roy, Ian Gibbons, Shize Daniel Qi, Edmond Ku, Chris Todd, Melissa Takahashi, Bruce Johnson, Jeff Fenton, Keith Moravick, Uwe Springborn, Anthony Delacruz
  • Publication number: 20150377875
    Abstract: This invention is in the field of medical devices. Specifically, the present invention provides fluidic systems having a plurality of reaction sites surrounded by optical barriers to reduce the amount of optical cross-talk between signals detected from various reaction sites. The invention also provides a method of manufacturing fluidic systems and methods of using the systems.
    Type: Application
    Filed: June 1, 2015
    Publication date: December 31, 2015
    Inventors: Timothy M. Kemp, Chris Todd, Ron Oral, Shulin Zeng, John Howard, Jeff Fenton
  • Patent number: 9176126
    Abstract: This invention is in the field of medical devices. Specifically, the present invention provides portable medical devices that allow real-time detection of analytes from a biological fluid. The methods and devices are particularly useful for providing point-of-care testing for a variety of medical applications.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: November 3, 2015
    Assignee: Theranos, Inc.
    Inventors: Elizabeth A. Holmes, Shaunak Roy, Ian Gibbons, Shize Daniel Qi, Edmond Ku, Chris Todd, Melissa Takahashi, Bruce Johnson, Jeff Fenton, Keith Moravick, Uwe Springborn, Anthony Delacruz