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Perry David Lithgow

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  • Sydney, AU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Humidifier and/or flow generator for CPAP device
    • Patent number 11,724,059
    • Issue date Aug 15, 2023
    • ResMed Pty Ltd
    • Ian Malcolm Smith
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Mask assembly
    • Patent number 11,583,652
    • Issue date Feb 21, 2023
    • ResMed Pty Ltd
    • Michael Kassipillai Gunaratnam
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Mask assembly
    • Patent number 11,497,876
    • Issue date Nov 15, 2022
    • ResMed Pty Ltd
    • Michael Kassipillai Gunaratnam
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Mask assembly
    • Patent number 11,433,207
    • Issue date Sep 6, 2022
    • ResMed Pty Ltd
    • Michael Kassipillai Gunaratnam
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Mask assembly
    • Patent number 11,420,004
    • Issue date Aug 23, 2022
    • ResMed Pty Ltd
    • Michael Kassipillai Gunaratnam
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Humidifier and/or flow generator for CPAP device
    • Patent number 11,420,006
    • Issue date Aug 23, 2022
    • ResMed Pty Ltd
    • Ian Malcolm Smith
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Breathable gas apparatus with humidifier
    • Patent number 11,235,115
    • Issue date Feb 1, 2022
    • ResMed Pty Ltd
    • Geoffrey Crumblin
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Humidifier and/or flow generator for CPAP device
    • Patent number 11,135,394
    • Issue date Oct 5, 2021
    • ResMed Pty Ltd
    • Ian Malcolm Smith
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Mask assembly
    • Patent number 11,103,666
    • Issue date Aug 31, 2021
    • ResMed Pty Ltd
    • Michael Kassipillai Gunaratnam
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Nasal assembly
    • Patent number 11,090,455
    • Issue date Aug 17, 2021
    • ResMed Pty Ltd
    • Michael Kassipillai Gunaratnam
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Mask assembly
    • Patent number 11,077,276
    • Issue date Aug 3, 2021
    • ResMed Pty Ltd
    • Michael Kassipillai Gunaratnam
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Mask assembly
    • Patent number 11,000,664
    • Issue date May 11, 2021
    • ResMed Pty Ltd
    • Michael Kassipillai Gunaratnam
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Breathable gas apparatus with humidifier
    • Patent number 10,881,820
    • Issue date Jan 5, 2021
    • ResMed Pty Ltd
    • Geoffrey Crumblin
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Compliant coupler or adaptor
    • Patent number 10,821,258
    • Issue date Nov 3, 2020
    • ResMed Pty Ltd
    • Ian Malcolm Smith
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Humidifier with structure to prevent backflow of liquid through the...
    • Patent number RE48149
    • Issue date Aug 11, 2020
    • ResMed Pty Ltd
    • Alexander Virr
  • Information Patent Grant

    Humidifier with structure to prevent backflow of liquid through the...
    • Patent number RE48118
    • Issue date Jul 28, 2020
    • ResMed Pty Ltd
    • Alexander Virr
  • Information Patent Grant

    Humidifier with structure to prevent backflow of liquid through the...
    • Patent number RE48095
    • Issue date Jul 14, 2020
    • ResMed Pty Ltd
    • Alexander Virr
  • Information Patent Grant

    Headgear assembly for a respiratory mask assembly
    • Patent number 10,639,445
    • Issue date May 5, 2020
    • ResMed Pty Ltd
    • Amal Shirley Amarasinghe
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    One-piece cushion with base and nozzles
    • Patent number D879945
    • Issue date Mar 31, 2020
    • ResMed Pty Ltd
    • Michael Kassipillai Gunaratnam
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Mask assembly
    • Patent number 10,561,813
    • Issue date Feb 18, 2020
    • ResMed Pty Ltd
    • Michael Kassipillai Gunaratnam
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Mask assembly
    • Patent number 10,556,084
    • Issue date Feb 11, 2020
    • ResMed Pty Ltd
    • Michael Kassipillai Gunaratnam
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Mask assembly
    • Patent number 10,518,058
    • Issue date Dec 31, 2019
    • ResMed Pty Ltd
    • Michael Kassipillai Gunaratnam
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Breathable gas supply apparatus
    • Patent number 10,201,676
    • Issue date Feb 12, 2019
    • ResMed Limited
    • Perry David Lithgow
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Forehead pad for respiratory mask
    • Patent number 10,195,385
    • Issue date Feb 5, 2019
    • ResMed Limited
    • Bernd Christoph Lang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Humidifier and/or flow generator for CPAP device
    • Patent number 10,124,143
    • Issue date Nov 13, 2018
    • ResMed Limited
    • Ian Malcolm Smith
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Mask system
    • Patent number 9,895,503
    • Issue date Feb 20, 2018
    • ResMed Limited
    • Michael Andrew Jones
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Compliant coupler or adaptor
    • Patent number 9,895,509
    • Issue date Feb 20, 2018
    • ResMed Limited
    • Ian Malcolm Smith
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Elbow for mask assembly
    • Patent number 9,821,134
    • Issue date Nov 21, 2017
    • ResMed Limited
    • Joanne Elizabeth Drew
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Mask
    • Patent number D800299
    • Issue date Oct 17, 2017
    • ResMed Limited
    • Michael K. Gunaratnam
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Humidifier with structure to prevent backflow of liquid through the...
    • Patent number RE46571
    • Issue date Oct 17, 2017
    • ResMed Limited
    • Alexander Virr

Patents Applicationslast 30 patents

  • Information Patent Application

    HUMIDIFIER AND/OR FLOW GENERATOR FOR CPAP DEVICE
    • Publication number 20230338693
    • Publication date Oct 26, 2023
    • ResMed Pty Ltd
    • Ian Malcolm SMITH
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    HUMIDIFIER AND/OR FLOW GENERATOR FOR CPAP DEVICE
    • Publication number 20220370754
    • Publication date Nov 24, 2022
    • ResMed Pty Ltd
    • Ian Malcolm SMITH
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    MASK ASSEMBLY
    • Publication number 20220105296
    • Publication date Apr 7, 2022
    • ResMed Pty Ltd
    • Michael Kassipillai GUNARATNAM
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    HUMIDIFIER AND/OR FLOW GENERATOR FOR CPAP DEVICE
    • Publication number 20220016382
    • Publication date Jan 20, 2022
    • ResMed Pty Ltd
    • Ian Malcolm SMITH
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    MASK ASSEMBLY
    • Publication number 20210386953
    • Publication date Dec 16, 2021
    • ResMed Pty Ltd
    • Michael Kassipillai GUNARATNAM
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BREATHABLE GAS APPARATUS WITH HUMIDIFIER
    • Publication number 20210260316
    • Publication date Aug 26, 2021
    • ResMed Pty Ltd
    • Geoffrey CRUMBLIN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MASK ASSEMBLY
    • Publication number 20210030993
    • Publication date Feb 4, 2021
    • ResMed Pty Ltd
    • Michael Kassipillai GUNARATNAM
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    COMPLIANT COUPLER OR ADAPTOR
    • Publication number 20210008323
    • Publication date Jan 14, 2021
    • ResMed Pty Ltd
    • Ian Malcolm SMITH
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    MASK ASSEMBLY
    • Publication number 20200269000
    • Publication date Aug 27, 2020
    • ResMed Pty Ltd
    • Michael Kassipillai GUNARATNAM
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    MASK ASSEMBLY
    • Publication number 20200179636
    • Publication date Jun 11, 2020
    • ResMed Pty Ltd
    • Michael Kassipillai Gunaratnam
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    MASK ASSEMBLY
    • Publication number 20200030564
    • Publication date Jan 30, 2020
    • ResMed Pty Ltd
    • Michael Kassipillai GUNARATNAM
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    HUMIDIFIER WITH STRUCTURE TO PREVENT BACKFLOW OF LIQUID THROUGH THE...
    • Publication number 20190209802
    • Publication date Jul 11, 2019
    • ResMed Pty Ltd
    • Alexander VIRR
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Mask Assembly
    • Publication number 20190151594
    • Publication date May 23, 2019
    • ResMed Limited
    • Michael Kassipillai GUNARATNAM
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    MASK ASSEMBLY
    • Publication number 20190117927
    • Publication date Apr 25, 2019
    • ResMed Limited
    • Michael Kassipillai Gunarathnam
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    MASK ASSEMBLY
    • Publication number 20190117928
    • Publication date Apr 25, 2019
    • ResMed Limited
    • Michael Kassipillai Gunarathnam
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    HUMIDIFIER AND/OR FLOW GENERATOR FOR CPAP DEVICE
    • Publication number 20190038865
    • Publication date Feb 7, 2019
    • ResMed Limited
    • Ian Malcolm SMITH
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    MASK ASSEMBLY
    • Publication number 20180289916
    • Publication date Oct 11, 2018
    • ResMed Limited
    • Michael Kassipillai GUNARATNAM
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BREATHABLE GAS SUPPLY APPARATUS
    • Publication number 20180140792
    • Publication date May 24, 2018
    • Perry David LITHGOW
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MASK SYSTEM
    • Publication number 20180140791
    • Publication date May 24, 2018
    • ResMed Limited
    • Michael Andrew JONES
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    COMPLIANT COUPLER OR ADAPTOR
    • Publication number 20180126109
    • Publication date May 10, 2018
    • ResMed Limited
    • Ian Malcolm Smith
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    MASK ASSEMBLY
    • Publication number 20170224944
    • Publication date Aug 10, 2017
    • ResMed Limited
    • Michael Kassipillai GUNARATNAM
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BREATHABLE GAS APPARATUS WITH HUMIDIFIER
    • Publication number 20170087327
    • Publication date Mar 30, 2017
    • ResMed Limited
    • Geoffrey Crumblin
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    COMPLIANT COUPLER OR ADAPTOR
    • Publication number 20160317775
    • Publication date Nov 3, 2016
    • ResMed Limited
    • Ian Malcolm SMITH
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BREATHABLE GAS APPARATUS WITH HUMIDIFIER
    • Publication number 20160175554
    • Publication date Jun 23, 2016
    • ResMed Limited
    • Perry David LITHGOW
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    NASAL ASSEMBLY
    • Publication number 20160114118
    • Publication date Apr 28, 2016
    • ResMed Limited
    • Michael Kassipillai GUNARATNAM
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BREATHABLE GAS APPARATUS WITH HUMIDIFIER
    • Publication number 20160114122
    • Publication date Apr 28, 2016
    • ResMed Limited
    • Geoffrey Crumblin
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    HEADGEAR ASSEMBLY FOR A RESPIRATORY MASK ASSEMBLY
    • Publication number 20160038708
    • Publication date Feb 11, 2016
    • ResMed Limited
    • Amal Shirley AMARASINGHE
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BREATHABLE GAS APPARATUS WITH HUMIDIFIER
    • Publication number 20150306336
    • Publication date Oct 29, 2015
    • ResMed Limited
    • Perry David LITHGOW
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    HUMIDIFIER AND/OR FLOW GENERATOR FOR CPAP DEVICE
    • Publication number 20150231358
    • Publication date Aug 20, 2015
    • ResMed Limited
    • Ian Malcolm SMITH
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FOREHEAD PAD FOR RESPIRATORY MASK
    • Publication number 20150190601
    • Publication date Jul 9, 2015
    • ResMed Limited
    • Bernd Christoph LANG
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE