Patents Assigned to Inogen, Inc.
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Patent number: 11964105Abstract: An oxygen concentrator comprises a product tank that is fluidly coupled to at least one sieve bed, and a product gas accumulator tank that is fluidly coupled to the product tank via a first conduit and to an outlet port via a second conduit, wherein the first conduit and the second conduit are disposed to allow at least a portion of product gas to flow from the product tank to the outlet port.Type: GrantFiled: October 5, 2020Date of Patent: April 23, 2024Assignee: INOGEN, INC.Inventor: Todd Allum
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Patent number: 11918746Abstract: A system that enables remote adjustment of oxygen flow from an oxygen source includes a gas source device fluidly coupled to a gas source, a remote delivery device with an outlet for providing gas to a user and an inlet fluidly coupled to an outlet of the gas source device, wherein the gas source device has a control system. The control system determines a current control setting of the remote delivery device based on pneumatic feedback from the remote delivery device and modifies a pressure of gas flowing from the gas source device to the remote delivery device based on the current control setting of the remote delivery device, so that a target flow volume of supply gas associated with the current control setting is delivered to the inlet.Type: GrantFiled: January 13, 2023Date of Patent: March 5, 2024Assignee: Inogen, Inc.Inventors: Todd Allum, Gregory J. Kapust
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Patent number: 11904096Abstract: An ambulatory assist ventilation (AAV) apparatus and system are disclosed for the delivery of a respiratory gas to assist the spontaneous breathing effort of a patient with a breathing disorder. The AAV system includes a compressed respiratory gas source, a respiratory assist device for controlling respiratory gas flow to the patient, a patient circuit tubing and a low profile nasal interface device, which does not have a dead space or hollow area where CO2 can collect, for delivering the respiratory gas to the patient, wherein the nasal interface device is fluidly connected to the respiratory assist device via tubing for receiving the respiratory gas therefrom. In some cases, the nasal interface device may be used in combination with other gas sources, such as oxygen concentrators, to provide dual therapy capability suitable for some applications.Type: GrantFiled: January 24, 2020Date of Patent: February 20, 2024Assignee: Inogen, Inc.Inventors: Todd W. Allum, Gregory J. Kapust
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Patent number: 11821559Abstract: A compressor assembly for a portable oxygen concentrator includes a first compressor chamber having a first connector, a second compressor chamber having a second connector, and a tube having a first end having a first connection interface configured to connect to the first connector and a second end having a second connection interface configured to connect to the second connector. The first connection interface is shaped to maintain the connection between the first connector and the first connection interface in a fixed orientation and the second connection interface is shaped to maintain the connection between the second connector and the second connection interface in a fixed orientation. One or more of the first connector, the second connector, and the tube are compliant.Type: GrantFiled: April 1, 2020Date of Patent: November 21, 2023Assignee: Inogen, Inc.Inventors: Brenton Alan Taylor, Peter James Hansen, Daniel Wayne Chin, Patrick Fitzlindon Burgess, Michael Pollack
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Patent number: 11801359Abstract: A portable oxygen concentrator designed for medical use where the sieve beds, adsorbers, are designed to be replaced by a patient. The concentrator is designed so that the beds are at least partially exposed to the outside of the system and can be easily released by a simple user-friendly mechanism. Replacement beds may be installed easily by patients, and all gas seals will function properly after installation.Type: GrantFiled: September 25, 2020Date of Patent: October 31, 2023Assignee: Inogen, Inc.Inventors: Brenton Taylor, Peter Hansen, John Stump, Patrick Burgess
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Patent number: 11786689Abstract: A portable oxygen concentrator designed for medical use where the adsorbent beds, are designed to be replaced by a patient. The concentrator is designed so that the power supply and adsorbent bed mount is one module and the compressor and air filter are part of another module configured to provide a unitary cooling and air supply system. Replacement beds may be installed easily by patients, and all gas seals will function properly after installation.Type: GrantFiled: December 18, 2020Date of Patent: October 17, 2023Assignee: Inogen, Inc.Inventors: Brenton Alan Taylor, Peter Hansen, John Russell Stump, Patrick Fitzlindon Burgess, Daniel Wayne Chin
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Patent number: 11686415Abstract: A battery retaining system for a portable oxygen concentrator includes a first rail configured to receive a first slide of a battery, a second rail configured to receive a second slide of the battery, the second rail being spaced apart from the first rail so as to form a channel configured to receive the battery, and a flexible stiffening mechanism configured to impart a biasing force on a surface of the battery when the battery is received within the channel. The flexible stiffening mechanism includes a protrusion projecting from the first rail at least partially towards the second rail and a slit positioned behind the protrusion and configured to facilitate travel of the protrusion fore and aft.Type: GrantFiled: April 1, 2020Date of Patent: June 27, 2023Assignee: Inogen, Inc.Inventors: Brenton Alan Taylor, Peter James Hansen, Daniel Wayne Chin, Patrick Fitzlindon Burgess, Michael Pollack
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Patent number: 11607517Abstract: Embodiments of the present disclosure include a nasal pillow apparatus having a first nasal pillow, a second nasal pillow, and a connecting bar that connects the first nasal pillow to the second nasal pillow, the connecting bar being disposed below a bottom surface of the first nasal pillow and a bottom surface of the second nasal pillow. Each of the first nasal pillow and the second nasal pillow includes an inner wall having a first end and a second end opposite the first end; and an outer wall connected to the second end of the inner wall. When inserted into a nostril of a patient, the outer wall is configured to conform to the nostril by compressing in a first direction and expanding in a second direction.Type: GrantFiled: July 17, 2015Date of Patent: March 21, 2023Assignee: Inogen, Inc.Inventors: Todd Allum, Eric Johansson
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Patent number: 11554238Abstract: A system that enables remote adjustment of oxygen flow from an oxygen source includes a gas source device fluidly coupled to a gas source, a remote delivery device with an outlet for providing gas to a user and an inlet fluidly coupled to an outlet of the gas source device, wherein the gas source device has a control system. The control system determines a current control setting of the remote delivery device based on pneumatic feedback from the remote delivery device and modifies a pressure of gas flowing from the gas source device to the remote delivery device based on the current control setting of the remote delivery device, so that a target flow volume of supply gas associated with the current control setting is delivered to the inlet.Type: GrantFiled: May 29, 2020Date of Patent: January 17, 2023Assignee: Inogen, Inc.Inventors: Todd Allum, Gregory J. Kapust
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Patent number: 11484680Abstract: A portable oxygen concentrator designed for medical use where the sieve beds, adsorbers, are designed to be replaced by a patient. The concentrator is designed so that the beds are at least partially exposed to the outside of the system and can be easily released by a simple user-friendly mechanism. Replacement beds may be installed easily by patients, and all gas seals will function properly after installation.Type: GrantFiled: June 29, 2020Date of Patent: November 1, 2022Assignee: Inogen, Inc.Inventors: Brenton Taylor, Peter Hansen, Patrick Burgess, Daniel Chin
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Patent number: 11376387Abstract: An ambulatory assist ventilation (AA V) apparatus and system are disclosed for the delivery of a respiratory gas to assist the spontaneous breathing effort of a patient with a breathing disorder. The AA V system includes a compressed respiratory gas source, a respiratory assist device for controlling respiratory gas flow to the patient, a patient circuit tubing and a low profile nasal interface device, which does not have a dead space or hollow area where CO2 can collect, for delivering the respiratory gas to the patient, wherein the nasal interface device is fluidly connected to the respiratory assist device via tubing for receiving the respiratory gas therefrom.Type: GrantFiled: February 13, 2019Date of Patent: July 5, 2022Assignee: Inogen, Inc.Inventors: Todd W. Allum, Gregory J. Kapust
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Patent number: 11293577Abstract: A method of operating a compressor system includes determining an efficiency of a compressor configured to operate at a plurality of output flow settings, including one or more of measuring, calibrating, calculating, or modeling motor efficiency over a range of supply voltage and pulse width modulation duty cycle combinations, each combination including a supply voltage of a plurality of supply voltages and a pulse width modulation duty cycle of a plurality of pulse width modulation duty cycles. The method further includes selecting a supply voltage and a pulse width modulation duty cycle for use at at least one output flow setting of the plurality of output flow settings based on the determined efficiency of the compressor, generating the selected supply voltage by maintaining, reducing, or increasing a nominal supply voltage, and applying the selected pulse width modulation duty cycle.Type: GrantFiled: April 1, 2020Date of Patent: April 5, 2022Assignee: Inogen, Inc.Inventors: Brenton Alan Taylor, Peter James Hansen, Daniel Wayne Chin, Patrick Fitzlindon Burgess, Michael Pollack
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Patent number: 11123512Abstract: One embodiment of the present invention sets forth a technique for operating an oxygen concentrator. The technique includes measuring a product gas within an oxygen concentrator to produce a product gas measurement, and determining that an output of the oxygen concentrator is fluidly connected to a respiratory ventilation device based on the product gas measurement. The technique further includes, in response to determining that the oxygen concentrator is fluidly connected to the respiratory ventilation device, determining that the output of the oxygen concentrator does not meet a supply gas requirement of the respiratory ventilation device and, in response to determining that the output of the oxygen concentrator does not meet the supply gas requirement, adjusting a control output in the oxygen concentrator to modify operation of the oxygen concentrator.Type: GrantFiled: October 20, 2016Date of Patent: September 21, 2021Assignee: INOGEN, INC.Inventor: Todd Allum
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Patent number: 11083865Abstract: Portable oxygen concentrator elements are described including integrated sensor/accumulator assemblies, new muffler designs, and improved airflow and internal gas connectivity. The result of the elements is an extremely compact, light reliable portable oxygen concentrator that is easy to assemble and relatively inexpensive.Type: GrantFiled: May 30, 2017Date of Patent: August 10, 2021Assignee: Inogen, Inc.Inventors: Brenton Taylor, Peter Hansen, Patrick Burgess, Daniel Chin
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Patent number: 10869986Abstract: A portable oxygen concentrator designed for medical use where the adsorbent beds, are designed to be replaced by a patient. The concentrator is designed so that the power supply and adsorbent bed mount is one module and the compressor and air filter are part of another module configured to provide a unitary cooling and air supply system. Replacement beds may be installed easily by patients, and all gas seals will function properly after installation.Type: GrantFiled: June 25, 2018Date of Patent: December 22, 2020Assignee: Inogen, Inc.Inventors: Brenton Alan Taylor, Peter Hansen, John Russell Stump, Patrick Fitzlindon Burgess, Daniel Wayne Chin
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Patent number: D930147Type: GrantFiled: February 24, 2020Date of Patent: September 7, 2021Assignee: INOGEN, INC.Inventors: Todd Allum, Gregory J. Kapust
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Patent number: D930835Type: GrantFiled: April 1, 2019Date of Patent: September 14, 2021Assignee: Inogen, Inc.Inventors: Brenton Alan Taylor, Peter James Hansen, Daniel Wayne Chin, Patrick Fitzlindon Burgess
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Patent number: D938014Type: GrantFiled: May 30, 2019Date of Patent: December 7, 2021Assignee: INOGEN, INC.Inventors: Todd Allum, Gregory J. Kapust
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Patent number: D940648Type: GrantFiled: April 1, 2019Date of Patent: January 11, 2022Assignee: Inogen, Inc.Inventors: Brenton Alan Taylor, Peter James Hansen, Daniel Wayne Chin, Patrick Fitzlindon Burgess
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Patent number: D948056Type: GrantFiled: June 17, 2019Date of Patent: April 5, 2022Assignee: INOGEN, INC.Inventors: Todd Allum, Gregory J. Kapust, Jose J. Aguirre, Jr.