Assignee
INOGEN INC
US·47 granted patents·4 pending applications·1,236 citations·filing 2003–2025
Top patents by PatentIndex Score
51 records- 0198US7922789B1Portable gas fractionalization systemINOGEN INC·Filed 2007·Granted Apr 12, 2011·65 cites·8 claims
- 0298US7066985B2Portable gas fractionalization systemINOGEN INC·Filed 2003·Granted Jun 27, 2006·135 cites·21 claims
- 0397US7730887B2Portable gas fractionalization systemINOGEN INC·Filed 2007·Granted Jun 8, 2010·75 cites·14 claims
- 0496US7780768B2Gas concentrator with improved water rejection capabilityINOGEN INC·Filed 2007·Granted Aug 24, 2010·56 cites·12 claims
- 0596US7708802B1Gas fractionalization apparatus with built-in administrative and self-diagnostic functionsINOGEN INC·Filed 2006·Granted May 4, 2010·72 cites·5 claims
- 0695US10869986B2Gas concentrator with removable cartridge absorbent bedsINOGEN INC·Filed 2018·Granted Dec 22, 2020·7 cites·15 claims
- 0795USD528212SPortable oxygen concentratorINOGEN INC·Filed 2005·Granted Sep 12, 2006·68 cites·1 claims
- 0895US2025207705A1Compact portable oxygen concentratorINOGEN INC·Filed 2024·Application pending·0 cites
- 0994US8366815B2Advanced portable oxygen concentratorINOGEN INC·Filed 2011·Granted Feb 5, 2013·47 cites·2 claims
- 1094US7135059B2Portable gas fractionalization systemINOGEN INC·Filed 2003·Granted Nov 14, 2006·83 cites·15 claims
- 1193US10786644B2Gas concentrator with removable cartridge adsorbent bedsINOGEN INC·Filed 2017·Granted Sep 29, 2020·6 cites·20 claims
- 1293US10695520B2Gas concentrator with removable cartridge adsorbent bedsINOGEN INC·Filed 2017·Granted Jun 30, 2020·5 cites·24 claims
- 1393US8377181B2Advanced portable oxygen concentratorINOGEN INC·Filed 2011·Granted Feb 19, 2013·40 cites·8 claims
- 1493US7841343B2Systems and methods for delivering therapeutic gas to patientsINOGEN INC·Filed 2005·Granted Nov 30, 2010·87 cites·12 claims
- 1593US7753996B1Portable gas fractionalization systemINOGEN INC·Filed 2008·Granted Jul 13, 2010·75 cites·4 claims
- 1693US7585351B2Systems and methods of monitoring and controlling the performance of a gas fractionalization apparatusINOGEN INC·Filed 2006·Granted Sep 8, 2009·61 cites·26 claims
- 1792US11786689B2Gas concentrator with removable cartridge adsorbent bedsINOGEN INC·Filed 2020·Granted Oct 17, 2023·2 cites·12 claims
- 1892US11083865B2Compact portable oxygen concentratorINOGEN INC·Filed 2017·Granted Aug 10, 2021·6 cites·6 claims
- 1991US12434032B2Oxygen gas concentrator with outlet accumulatorINOGEN INC·Filed 2024·Granted Oct 7, 2025·0 cites·14 claims
- 2091US7686870B1Expandable product rate portable gas fractionalization systemINOGEN INC·Filed 2006·Granted Mar 30, 2010·80 cites·11 claims
- 2189US7857894B2Adsorbent bed pressure balancing for a gas concentratorINOGEN INC·Filed 2007·Granted Dec 28, 2010·53 cites·3 claims
- 2287USD930835SOxygen concentratorINOGEN INC·Filed 2019·Granted Sep 14, 2021·25 cites·1 claims
- 2387USD700701SOxygen concentratorINOGEN INC·Filed 2013·Granted Mar 4, 2014·35 cites·1 claims
- 2486US12173827B2Compact portable oxygen concentratorINOGEN INC·Filed 2022·Granted Dec 24, 2024·0 cites·19 claims
- 2585US11964105B2Oxygen gas concentrator with outlet accumulatorINOGEN INC·Filed 2020·Granted Apr 23, 2024·1 cites·14 claims
- 2684US12502503B2Gas concentrator with removable cartridge adsorbent bedsINOGEN INC·Filed 2023·Granted Dec 23, 2025·0 cites·18 claims
- 2783US12208212B2Gas concentrator with removable cartridge adsorbent bedsINOGEN INC·Filed 2022·Granted Jan 28, 2025·0 cites·20 claims
- 2883USD860459SOxygen concentratorINOGEN INC·Filed 2017·Granted Sep 17, 2019·22 cites·1 claims
- 2983US7438745B2Portable gas fractionalization systemINOGEN INC·Filed 2004·Granted Oct 21, 2008·82 cites·3 claims
- 3083USD510169SMobility cart for transporting oxygen concentrators and related accessoriesINOGEN INC·Filed 2004·Granted Sep 27, 2005·23 cites·1 claims
- 3182US11554238B2Concentrator with electronic handheld remote delivery deviceINOGEN INC·Filed 2020·Granted Jan 17, 2023·1 cites·18 claims
- 3277US11686415B2Compact portable oxygen concentratorINOGEN INC·Filed 2020·Granted Jun 27, 2023·0 cites·20 claims
- 3376US11293577B2Compact portable oxygen concentratorINOGEN INC·Filed 2020·Granted Apr 5, 2022·0 cites·13 claims
- 3475US2025387583A1Gas concentrator with removable cartridge adsorbent bedsINOGEN INC·Filed 2025·Application pending·0 cites
- 3574US2024198029A1Nasal interface apparatus and systems for use with a respiratory assist deviceINOGEN INC·Filed 2023·Application pending·0 cites
- 3673US12233211B2Systems and methods for mitigating noise and vibration in a portable oxygen concentratorINOGEN INC·Filed 2022·Granted Feb 25, 2025·0 cites·20 claims
- 3773US11376387B2Nasal interface apparatus and systems for use with a respiratory assist deviceINOGEN INC·Filed 2019·Granted Jul 5, 2022·1 cites·54 claims
- 3872US2025161622A1Systems and methods for mitigating noise and vibration in a portable oxygen concentratorINOGEN INC·Filed 2025·Application pending·0 cites
- 3971US12447303B2Compact portable oxygen concentratorINOGEN INC·Filed 2021·Granted Oct 21, 2025·0 cites·20 claims
- 4070US11918746B2Concentrator with electronic handheld remote delivery deviceINOGEN INC·Filed 2023·Granted Mar 5, 2024·0 cites·20 claims
- 4170US11821559B2Compact portable oxygen concentratorINOGEN INC·Filed 2020·Granted Nov 21, 2023·0 cites·10 claims
- 4269US11484680B2Gas concentrator with removable cartridge adsorbent bedsINOGEN INC·Filed 2020·Granted Nov 1, 2022·0 cites·20 claims
- 4368US12296100B2Conforming nasal pillowINOGEN INC·Filed 2023·Granted May 13, 2025·0 cites·20 claims
- 4468USD940648SOxygen concentrator batteryINOGEN INC·Filed 2019·Granted Jan 11, 2022·10 cites·1 claims
- 4566US11801359B2Gas concentrator with removable cartridge adsorbent bedsINOGEN INC·Filed 2020·Granted Oct 31, 2023·0 cites·11 claims
- 4664US11607517B2Conforming nasal pillowINOGEN INC·Filed 2015·Granted Mar 21, 2023·1 cites·20 claims
- 4759US11904096B2Nasal interface apparatus and systems for use with a respiratory assist deviceINOGEN INC·Filed 2020·Granted Feb 20, 2024·0 cites·10 claims
- 4855USD706211SOxygen concentrator batteryINOGEN INC·Filed 2013·Granted Jun 3, 2014·8 cites·1 claims
- 4952USD930147SNasal interface for ventilationINOGEN INC·Filed 2020·Granted Sep 7, 2021·1 cites·1 claims
- 5043USD894117SOxygen concentrator batteryINOGEN INC·Filed 2017·Granted Aug 25, 2020·3 cites·1 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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