Patents by Inventor John Freddy Hansen

John Freddy Hansen 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: 20250055316
    Abstract: A transmit resonator for use in a wireless power transfer system is provided. The transmit resonator includes a core defining an annular groove, a coil element disposed within the annular groove, and a housing surrounding the core and the coil element. The housing includes a casing. and a metal plate, wherein the metal plate is positioned on a side of the transmit resonator that is opposite a receive resonator during operation of the wireless power transfer system, and wherein the metal plate facilitates reducing far-field electromagnetic emissions and improving cooling of the wireless power transfer system.
    Type: Application
    Filed: December 13, 2022
    Publication date: February 13, 2025
    Inventors: John Freddy Hansen, Rachel Keen, Alexander Baval, Daniel I. Harjes, Jeffrey Iudice, Russell Eugene Anderson
  • Patent number: 12210805
    Abstract: A method for modeling a wireless power transfer system including stacked plate resonators is provided. The method includes generating, using a computing device, a plurality of different sets of design parameters for a wireless power transfer system including a transmit resonator and a receive resonator, each of the transmit resonator and the receive resonator including a magnetic core having a post, and a plurality of alternating dielectric layers and conductive layers stacked around the post. The method further includes selecting, using the computing device, one set of the plurality of generated sets of design parameters, generating, using the computing device, an initial population of wireless power transfer systems based on the selected set, evaluating, using the computing device, each wireless power transfer system in the initial population, and generating, using the computing device, a subsequent population of wireless power transfer systems based on the evaluating.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: January 28, 2025
    Assignee: TC1 LLC
    Inventor: John Freddy Hansen
  • Publication number: 20250023390
    Abstract: Systems and methods for a wireless power transfer system are provided. A resonator arrangement includes a housing, a magnetic core positioned within the housing and defining an annular groove, a coil element positioned within the annular groove and configured to generate a first magnetic field, and a counter-coil element positioned proximate the coil element, the counter-coil element configured to generate a second magnetic field that is out of phase with the first magnetic field to facilitate reducing far-field electromagnetic emissions.
    Type: Application
    Filed: November 29, 2022
    Publication date: January 16, 2025
    Inventors: John Freddy Hansen, Russell Eugene Anderson, Rachel Keen, Daniel I. Harjes, Jared Richard Johnson
  • Publication number: 20250023388
    Abstract: Resonators for use in a transcutaneous energy transfer system (TETS) are provided. A resonator includes a housing, a magnetic core positioned within the housing, the magnetic core defining an annular groove and a central aperture, a coil element positioned within the annular groove, and at least one layer positioned within the central aperture, the at least one layer comprising a non-magnetic, non-metallic material.
    Type: Application
    Filed: November 29, 2022
    Publication date: January 16, 2025
    Inventors: John Freddy Hansen, Rachel Keen, Daniel I. Harjes, Russell Eugene Anderson
  • Publication number: 20250010059
    Abstract: Resonators for use in a transcutaneous energy transfer system (TETS) are provided. A resonator includes a housing, and a magnetic core positioned within the housing, the magnetic core including an annular sidewall and a central post that define an annular groove. The resonator further includes a coil element positioned within the annular groove and surrounding the central post, and a metal object coated with a conductive material, wherein the conductive material facilitates reducing an amount of heat induced during operation of the resonator.
    Type: Application
    Filed: November 29, 2022
    Publication date: January 9, 2025
    Inventors: John Freddy Hansen, Alexander Baval, Daniel I. Harjes, Russell Eugene Anderson, Jeff Iudice
  • Publication number: 20240358995
    Abstract: A blood circulation assist system includes a ventricular assist device (VAD) and a controller. The VAD is attachable to a heart of a patient to pump blood from a ventricle of the heart into a blood vessel of the patient. The VAD includes an impeller, a motor stator operable to rotate the impeller, and an accelerometer generating an accelerometer output indicative of accelerations of the VAD. The controller is configured to process the accelerometer output to generate patient monitoring data for the patient.
    Type: Application
    Filed: July 11, 2024
    Publication date: October 31, 2024
    Applicant: TC1 LLC
    Inventors: John Freddy Hansen, John Donald Hill, Peter Andriola, Daniel I. Harjes, Eric Lee, Gionata Valchera, Nichole Mercier, Urim Salltakaj
  • Publication number: 20240350791
    Abstract: Systems, methods, and devices for improved cooling of an implantable blood pump employ a thermal conductor to conduct heat to blood flowing through the blood pump. A method includes drawing a flow of blood into a blood pump, passing the flow of blood through the blood pump such that heat flow is conducted to the flow of blood via the thermal conductor, and outputting the flow of blood from the blood pump.
    Type: Application
    Filed: May 24, 2024
    Publication date: October 24, 2024
    Applicant: TC1 LLC
    Inventor: John Freddy Hansen
  • Publication number: 20240315581
    Abstract: The present invention generally relates to heart treatment systems. In some aspects, methods and systems are provided for facilitating communication between implanted devices. For example, an implantable cardiac rhythm management device may be configured to communicate with an implantable blood pump. The implantable cardiac rhythm management device may deliver heart stimulation rate information in addition to information associated with any detected abnormalities in heart function. In response, the pump may be configured to adjust pumping by the pump to better accommodate a patient's particular needs.
    Type: Application
    Filed: June 5, 2024
    Publication date: September 26, 2024
    Applicant: TC1 LLC
    Inventors: Daniel I. Harjes, John Freddy Hansen, Joseph C. Stark, III, Ghazal Anvar Mauro, Eric Lee, Justin A. Callaway, Onur Dur
  • Patent number: 12064612
    Abstract: A blood circulation assist system includes a ventricular assist device (VAD) and a controller. The VAD is attachable to a heart of a patient to pump blood from a ventricle of the heart into a blood vessel of the patient. The VAD includes an impeller, a motor stator operable to rotate the impeller, and an accelerometer generating an accelerometer output indicative of accelerations of the VAD. The controller controls operation of the motor stator to control rotational speed of the impeller based on the accelerometer output.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: August 20, 2024
    Assignee: TC1 LLC
    Inventors: John Freddy Hansen, John Donald Hill, Peter Andriola, Daniel I. Harjes, Eric Lee, Gionata Valchera, Nichole Mercier, Urim Salltakaj
  • Publication number: 20240275182
    Abstract: Systems and related methods for supplying power to a medical device. A medical system includes a medical service and a base module. The medical device is configured to be worn by a user or implanted in the user. The base module is configured to control operation of the medical device and supply electrical power to the medical device. The base module includes a base module input connector that includes two power connectors, two ground connectors, and a data connector arranged in a symmetrical arrangement that accommodates two opposite connection orientations of a mating input connector with the base module input connector.
    Type: Application
    Filed: April 22, 2024
    Publication date: August 15, 2024
    Applicant: TC1 LLC
    Inventors: Brian Kimball, Joseph C. Stark, III, Peter Thatcher, John Freddy Hansen, Peter Andriola, Carine Hoarau, Jaime Arturo Romero, Jesse Gage
  • Patent number: 12029535
    Abstract: The present invention generally relates to heart treatment systems. In some aspects, methods and systems are provided for facilitating communication between implanted devices. For example, an implantable cardiac rhythm management device may be configured to communicate with an implantable blood pump. The implantable cardiac rhythm management device may deliver heart stimulation rate information in addition to information associated with any detected abnormalities in heart function. In response, the pump may be configured to adjust pumping by the pump to better accommodate a patient's particular needs.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: July 9, 2024
    Assignee: TC1 LLC
    Inventors: Daniel I. Harjes, John Freddy Hansen, Joseph C. Stark, III, Ghazal Anvar Mauro, Eric Lee, Justin A. Callaway, Onur Dur
  • Patent number: 12017054
    Abstract: Systems, methods, and devices for improved cooling of an implantable blood pump employ a thermal conductor to conduct heat to blood flowing through the blood pump. A method includes drawing a flow of blood into a blood pump, passing the flow of blood through the blood pump such that heat flow is conducted to the flow of blood via the thermal conductor, and outputting the flow of blood from the blood pump.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: June 25, 2024
    Assignee: TC1 LLC
    Inventor: John Freddy Hansen
  • Patent number: 12003123
    Abstract: Systems and related methods for supplying power to a medical device employ serially-connectable portable batteries. A method of supplying electrical power to a medical device includes discharging a first external battery to output electrical power to a second external battery. Distribution of the electrical power received by the second external battery is controlled to simultaneously charge the second external battery and output electrical power from the second external battery to supply electrical power to the medical device.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: June 4, 2024
    Assignee: TC1 LLC
    Inventors: Brian Kimball, Joseph C. Stark, III, Peter Thatcher, John Freddy Hansen, Peter Andriola, Carine Hoarau, Jaime Arturo Romero, Jesse Gage
  • Patent number: 11689057
    Abstract: Systems, devices, and methods for improving wireless power transmission are disclosed herein. A method of powering an implantable ventricular assist device with an external charging device includes receiving a signal indicative of a change in a property of a deformable coil of the resonant circuit. A performance property of the deformable coil is determined based on the signal. An adjustment to a tuning of the resonant circuit is identified based on the performance property of the deformable coil. The resonant circuit is tuned according to the adjustment to the tuning of the resonant circuit. The resonant circuit is driven to transmit power to a secondary coil electrically coupled with the implantable ventricular assist device to power the ventricular assist device.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: June 27, 2023
    Assignee: TC1 LLC
    Inventor: John Freddy Hansen
  • Patent number: 11682924
    Abstract: A resonator for use in a wireless power transfer system is provided. The resonator includes a core including a front surface, a back surface, and an annular sidewall extending between the front surface and the back surface, wherein an annular groove is defined in the front surface and surrounds a post, and wherein a cavity is defined in the back surface, the post and the cavity aligned with a longitudinal axis of the core. The resonator further includes a coil element disposed within the annular groove.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: June 20, 2023
    Assignee: TC1 LLC
    Inventors: John Freddy Hansen, Russell Anderson, Daniel I. Harjes, Alexander Baval, Jeffrey Iudice
  • Publication number: 20230157546
    Abstract: Methods and apparatus for wireless power transfer and communications are provided. In one embodiment, a wireless power transfer system comprises an external transmit resonator configured to transmit wireless power, an implantable receive resonator configured to receive the transmitted wireless power from the transmit resonator, and a user interface device comprising a resonant coil circuit, the resonant coil circuit being configured to receive magnetic communication signals from the transmit resonator or the receive resonator and to display information relating to the magnetic communication signals to a user of the user interface device.
    Type: Application
    Filed: January 9, 2023
    Publication date: May 25, 2023
    Inventor: John Freddy Hansen
  • Patent number: 11564574
    Abstract: Methods and apparatus for wireless power transfer and communications are provided. In one embodiment, a wireless power transfer system comprises an external transmit resonator configured to transmit wireless power, an implantable receive resonator configured to receive the transmitted wireless power from the transmit resonator, and a user interface device comprising a resonant coil circuit, the resonant coil circuit being configured to receive magnetic communication signals from the transmit resonator or the receive resonator and to display information relating to the magnetic communication signals to a user of the user interface device.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: January 31, 2023
    Assignee: TC1 LLC
    Inventor: John Freddy Hansen
  • Publication number: 20220385077
    Abstract: Systems and related methods for supplying power to a medical device employ serially-connectable portable batteries. A method of supplying electrical power to a medical device includes discharging a first external battery to output electrical power to a second external battery. Distribution of the electrical power received by the second external battery is controlled to simultaneously charge the second external battery and output electrical power from the second external battery to supply electrical power to the medical device.
    Type: Application
    Filed: August 9, 2022
    Publication date: December 1, 2022
    Applicant: TC1 LLC
    Inventors: Brian Kimball, Joseph C. Stark, III, Peter Thatcher, John Freddy Hansen, Peter Andriola, Carine Hoarau, Jaime Arturo Romero, Jesse Gage
  • Patent number: 11478629
    Abstract: The present invention generally relates to heart treatment systems. In some aspects, methods and systems are provided for facilitating communication between implanted devices. For example, an implantable cardiac rhythm management device may be configured to communicate with an implantable blood pump. The implantable cardiac rhythm management device may deliver heart stimulation rate information in addition to information associated with any detected abnormalities in heart function. In response, the pump may be configured to adjust pumping by the pump to better accommodate a patient's particular needs.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: October 25, 2022
    Assignee: TC1 LLC
    Inventors: Daniel I. Harjes, John Freddy Hansen, Joseph C. Stark, III, Ghazal Anvar Mauro, Eric Lee, Justin A. Callaway, Onur Dur
  • Patent number: 11439806
    Abstract: Systems and related methods for supplying power to a medical device employ serially-connectable portable batteries. A method of supplying electrical power to a medical device includes discharging a first external battery to output electrical power to a second external battery. Distribution of the electrical power received by the second external battery is controlled to simultaneously charge the second external battery and output electrical power from the second external battery to supply electrical power to the medical device.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: September 13, 2022
    Assignee: TC1 LLC
    Inventors: Brian Kimball, Joseph C. Stark, III, Peter Thatcher, John Freddy Hansen, Peter Andriola, Carine Hoarau, Jaime Arturo Romero, Jesse Gage