Lithgow; Perry David
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lithgow; Perry David.The latest application filed is for "mask assembly".
Company Profile
24.143.64
- Lithgow; Perry David - Sydney AU
- Lithgow; Perry David - Moruya AU
- Lithgow; Perry David - Glenwood N/A AU
- Lithgow; Perry David - New South Wales AU
- Lithgow; Perry David - North Ryde AU
Patent Activity
| Patent | Date |
|---|---|
| Mask assembly Grant 11,433,207 - Gunaratnam , et al. September 6, 2 | 2022-09-06 |
| Humidifier and/or flow generator for CPAP device Grant 11,420,006 - Smith , et al. August 23, 2 | 2022-08-23 |
| Mask assembly Grant 11,420,004 - Gunaratnam , et al. August 23, 2 | 2022-08-23 |
| Mask Assembly App 20220105296 - GUNARATNAM; Michael Kassipillai ; et al. | 2022-04-07 |
| Breathable gas apparatus with humidifier Grant 11,235,115 - Crumblin , et al. February 1, 2 | 2022-02-01 |
| Humidifier And/or Flow Generator For Cpap Device App 20220016382 - SMITH; Ian Malcolm ; et al. | 2022-01-20 |
| Mask Assembly App 20210386953 - Gunaratnam; Michael Kassipillai ; et al. | 2021-12-16 |
| Humidifier and/or flow generator for CPAP device Grant 11,135,394 - Smith , et al. October 5, 2 | 2021-10-05 |
| Mask assembly Grant 11,103,666 - Gunaratnam , et al. August 31, 2 | 2021-08-31 |
| Breathable Gas Apparatus With Humidifier App 20210260316 - CRUMBLIN; Geoffrey ; et al. | 2021-08-26 |
| Nasal assembly Grant 11,090,455 - Gunaratnam , et al. August 17, 2 | 2021-08-17 |
| Mask assembly Grant 11,077,276 - Gunaratnam , et al. August 3, 2 | 2021-08-03 |
| Mask assembly Grant 11,000,664 - Gunaratnam , et al. May 11, 2 | 2021-05-11 |
| Mask Assembly App 20210030993 - Gunaratnam; Michael Kassipillai ; et al. | 2021-02-04 |
| Compliant Coupler Or Adaptor App 20210008323 - SMITH; Ian Malcolm ; et al. | 2021-01-14 |
| Breathable gas apparatus with humidifier Grant 10,881,820 - Crumblin , et al. January 5, 2 | 2021-01-05 |
| Compliant coupler or adaptor Grant 10,821,258 - Smith , et al. November 3, 2 | 2020-11-03 |
| Mask Assembly App 20200269000 - Gunaratnam; Michael Kassipillai ; et al. | 2020-08-27 |
| Humidifier with structure to prevent backflow of liquid through the humidifier inlet Grant RE48,149 - Virr , et al. A | 2020-08-11 |
| Humidifier with structure to prevent backflow of liquid through the humidifier inlet Grant RE48,118 - Virr , et al. | 2020-07-28 |
| Humidifier with structure to prevent backflow of liquid through the humidifier inlet Grant RE48,095 - Virr , et al. | 2020-07-14 |
| Mask Assembly App 20200179636 - Gunaratnam; Michael Kassipillai ; et al. | 2020-06-11 |
| Headgear assembly for a respiratory mask assembly Grant 10,639,445 - Amarasinghe , et al. | 2020-05-05 |
| One-piece cushion with base and nozzles Grant D879,945 - Gunaratnam , et al. | 2020-03-31 |
| Mask assembly Grant 10,561,813 - Gunaratnam , et al. Feb | 2020-02-18 |
| Mask assembly Grant 10,556,084 - Gunaratnam , et al. Feb | 2020-02-11 |
| Mask Assembly App 20200030564 - GUNARATNAM; Michael Kassipillai ; et al. | 2020-01-30 |
| Mask assembly Grant 10,518,058 - Gunaratnam , et al. Dec | 2019-12-31 |
| Humidifier With Structure To Prevent Backflow Of Liquid Through The Humidifier Inlet App 20190209802 - VIRR; Alexander ; et al. | 2019-07-11 |
| Mask Assembly App 20190151594 - Gunaratnam; Michael Kassipillai ; et al. | 2019-05-23 |
| Mask Assembly App 20190117928 - Gunarathnam; Michael Kassipillai ; et al. | 2019-04-25 |
| Mask Assembly App 20190117927 - Gunarathnam; Michael Kassipillai ; et al. | 2019-04-25 |
| Breathable gas supply apparatus Grant 10,201,676 - Lithgow , et al. Feb | 2019-02-12 |
| Humidifier And/or Flow Generator For Cpap Device App 20190038865 - SMITH; Ian Malcolm ; et al. | 2019-02-07 |
| Forehead pad for respiratory mask Grant 10,195,385 - Lang , et al. Fe | 2019-02-05 |
| Humidifier and/or flow generator for CPAP device Grant 10,124,143 - Smith , et al. November 13, 2 | 2018-11-13 |
| Mask Assembly App 20180289916 - Gunaratnam; Michael Kassipillai ; et al. | 2018-10-11 |
| Breathable Gas Supply Apparatus App 20180140792 - LITHGOW; Perry David ; et al. | 2018-05-24 |
| Mask System App 20180140791 - JONES; Michael Andrew ; et al. | 2018-05-24 |
| Compliant Coupler Or Adaptor App 20180126109 - Smith; Ian Malcolm ; et al. | 2018-05-10 |
| Compliant coupler or adaptor Grant 9,895,509 - Smith , et al. February 20, 2 | 2018-02-20 |
| Elbow for mask assembly Grant 9,821,134 - Drew , et al. November 21, 2 | 2017-11-21 |
| Humidifier with structure to prevent backflow of liquid through the humidifier inlet Grant RE46,571 - Virr , et al. October 17, 2 | 2017-10-17 |
| Breathable gas apparatus with humidifier Grant RE46,543 - Trevor-Wilson , et al. September 12, 2 | 2017-09-12 |
| Mask Assembly App 20170224944 - GUNARATNAM; Michael Kassipillai ; et al. | 2017-08-10 |
| Breathable Gas Apparatus With Humidifier App 20170087327 - CRUMBLIN; Geoffrey ; et al. | 2017-03-30 |
| Breathable gas apparatus with humidifier Grant 9,539,409 - Crumblin , et al. January 10, 2 | 2017-01-10 |
| Compliant Coupler Or Adaptor App 20160317775 - SMITH; Ian Malcolm ; et al. | 2016-11-03 |
| Humidifier with structure to prevent backflow of liquid through the humidifier inlet Grant RE46,079 - Virr , et al. July 26, 2 | 2016-07-26 |
| Compliant coupler or adaptor Grant 9,393,377 - Smith , et al. July 19, 2 | 2016-07-19 |
| Breathable Gas Apparatus With Humidifier App 20160175554 - LITHGOW; Perry David ; et al. | 2016-06-23 |
| Control panel for positive airway pressure delivery device Grant D759,234 - Bertinetti , et al. June 14, 2 | 2016-06-14 |
| Breathable gas apparatus with humidifier Grant 9,358,359 - Lithgow , et al. June 7, 2 | 2016-06-07 |
| Breathable Gas Apparatus With Humidifier App 20160114122 - Crumblin; Geoffrey ; et al. | 2016-04-28 |
| Nasal Assembly App 20160114118 - GUNARATNAM; Michael Kassipillai ; et al. | 2016-04-28 |
| Headgear Assembly For A Respiratory Mask Assembly App 20160038708 - AMARASINGHE; Amal Shirley ; et al. | 2016-02-11 |
| Breathable gas apparatus with humidifier Grant 9,227,035 - Crumblin , et al. January 5, 2 | 2016-01-05 |
| Breathable Gas Apparatus With Humidifier App 20150306336 - LITHGOW; Perry David ; et al. | 2015-10-29 |
| Humidifier And/or Flow Generator For Cpap Device App 20150231358 - SMITH; Ian Malcolm ; et al. | 2015-08-20 |
| Forehead Pad For Respiratory Mask App 20150190601 - LANG; Bernd Christoph ; et al. | 2015-07-09 |
| Breathable gas apparatus with humidifier Grant 9,072,860 - Lithgow , et al. July 7, 2 | 2015-07-07 |
| Forehead pad for respiratory mask Grant 9,072,853 - Lang , et al. July 7, 2 | 2015-07-07 |
| Headgear Grant D732,159 - Amarasinghe , et al. June 16, 2 | 2015-06-16 |
| Breathable gas apparatus with humidifier Grant 9,038,632 - Crumblin , et al. May 26, 2 | 2015-05-26 |
| Humidifier and/or flow generator for CPAP device Grant 9,038,629 - Smith , et al. May 26, 2 | 2015-05-26 |
| Breathable gas apparatus with humidifier Grant 9,038,631 - Bath , et al. May 26, 2 | 2015-05-26 |
| Headgear connection assembly for a respiratory mask assembly Grant 9,027,558 - Guney , et al. May 12, 2 | 2015-05-12 |
| Breathable Gas Apparatus With Humidifier App 20150020805 - KENYON; Barton John ; et al. | 2015-01-22 |
| Elbow For Mask Assembly App 20140373848 - DREW; Joanne Elizabeth ; et al. | 2014-12-25 |
| Mask And Vent Assembly Therefor App 20140345618 - KWOK; Philip Rodney ; et al. | 2014-11-27 |
| Breathable Gas Apparatus With Humidifier App 20140332002 - CRUMBLIN; Geoffrey ; et al. | 2014-11-13 |
| Breathable Gas Apparatus With Humidifier App 20140332003 - CRUMBLIN; Geoffrey ; et al. | 2014-11-13 |
| Breathable Gas Apparatus With Humidifier App 20140332001 - BATH; Andrew Roderick ; et al. | 2014-11-13 |
| Forehead pad Grant D717,426 - Fu , et al. November 11, 2 | 2014-11-11 |
| Mask and vent assembly therefor Grant 8,833,371 - Kwok , et al. September 16, 2 | 2014-09-16 |
| Mask and vent assembly therefor Grant 8,826,910 - Kwok , et al. September 9, 2 | 2014-09-09 |
| Headgear Connection Assembly For A Respiratory Mask Assembly App 20140238404 - GUNEY; Memduh ; et al. | 2014-08-28 |
| Humidifier for positive airway pressure delivery device Grant D710,989 - Bertinetti , et al. August 12, 2 | 2014-08-12 |
| Cushion For A Respiratory Mask Assembly App 20140202464 - LITHGOW; Perry David ; et al. | 2014-07-24 |
| Headgear connection assembly for a respiratory mask assembly Grant 8,763,612 - Guney , et al. July 1, 2 | 2014-07-01 |
| Cushion for a respiratory mask assembly Grant 8,733,358 - Lithgow , et al. May 27, 2 | 2014-05-27 |
| Headgear Grant D699,340 - Amarasinghe , et al. February 11, 2 | 2014-02-11 |
| Compliant Coupler Or Adaptor App 20130340757 - SMITH; Ian Malcolm ; et al. | 2013-12-26 |
| Air delivery device Grant D695,388 - Lithgow , et al. December 10, 2 | 2013-12-10 |
| Mask System App 20130312758 - JONES; Michael Andrew ; et al. | 2013-11-28 |
| Compliant coupling or adaptor Grant 8,544,465 - Smith , et al. October 1, 2 | 2013-10-01 |
| Humidifier with structure to prevent backflow of liquid through the humidifier inlet Grant RE44,453 - Virr , et al. August 27, 2 | 2013-08-27 |
| Mask system Grant 8,505,535 - Jones , et al. August 13, 2 | 2013-08-13 |
| Mask And Vent Assembly Therefor App 20130152369 - Kwok; Philip Rodney ; et al. | 2013-06-20 |
| Air delivery device Grant D675,730 - Lithgow , et al. February 5, 2 | 2013-02-05 |
| Forehead support for facial mask Grant 8,186,348 - Kwok , et al. May 29, 2 | 2012-05-29 |
| Positive airway pressure delivery device Grant D659,235 - Bertinetti , et al. May 8, 2 | 2012-05-08 |
| Flow generator Grant D658,755 - Lithgow May 1, 2 | 2012-05-01 |
| Respiratory mask assembly with vent Grant 8,122,886 - Kwok , et al. February 28, 2 | 2012-02-28 |
| Forehead support for facial mask Grant 8,113,203 - Lithgow , et al. February 14, 2 | 2012-02-14 |
| Headgear for a respiratory mask Grant D649,631 - Amarasinghe , et al. November 29, 2 | 2011-11-29 |
| Mask And Vent Assembly Therefor App 20110277771 - Kwok; Philip Rodney ; et al. | 2011-11-17 |
| Breathable gas apparatus with humidifier Grant 8,042,535 - Kenyon , et al. October 25, 2 | 2011-10-25 |
| Breathable gas apparatus with humidifier Grant 8,028,693 - Trevor-Wilson , et al. October 4, 2 | 2011-10-04 |
| Breathable gas apparatus with humidifier Grant 8,020,551 - Virr , et al. September 20, 2 | 2011-09-20 |
| Cushion for a respiratory mask assembly App 20110220114 - Lithgow; Perry David ; et al. | 2011-09-15 |
| Humidifier with removable water tank Grant 8,006,691 - Kenyon , et al. August 30, 2 | 2011-08-30 |
| Breathable Gas Apparatus With Humidifier App 20110180068 - Kenyon; Barton John ; et al. | 2011-07-28 |
| Cushion for a respiratory mask assembly Grant 7,958,893 - Lithgow , et al. June 14, 2 | 2011-06-14 |
| Adaptor seal Grant D638,530 - Smith , et al. May 24, 2 | 2011-05-24 |
| Forehead pad Grant D637,284 - Fu , et al. May 3, 2 | 2011-05-03 |
| Forehead Pad For Respiratory Mask App 20110056498 - LANG; Bernd Christoph ; et al. | 2011-03-10 |
| Mask system App 20110030692 - Jones; Michael Andrew ; et al. | 2011-02-10 |
| Breathable Gas Apparatus With Humidifier App 20110023877 - Kenyon; Barton John ; et al. | 2011-02-03 |
| Breathable Gas Apparatus With Humidifier App 20110017212 - KENYON; Barton John ; et al. | 2011-01-27 |
| Nasal assembly Grant 7,874,293 - Gunaratnam , et al. January 25, 2 | 2011-01-25 |
| Adaptor seal Grant D630,718 - Smith , et al. January 11, 2 | 2011-01-11 |
| Mask system Grant 7,861,715 - Jones , et al. January 4, 2 | 2011-01-04 |
| Forehead pad for respiratory mask Grant 7,856,980 - Lang , et al. December 28, 2 | 2010-12-28 |
| Mask and vent assembly therefor Grant 7,845,354 - Kwok , et al. December 7, 2 | 2010-12-07 |
| Headgear connection assembly for a respiratory mask assembly App 20100275923 - Guney; Memduh ; et al. | 2010-11-04 |
| Storage System For An Apparatus That Delivers Breathable Gas To A Patient App 20100218764 - KWOK; Philip Rodney ; et al. | 2010-09-02 |
| Humidifier tub lid Grant D621,031 - Lithgow , et al. August 3, 2 | 2010-08-03 |
| Adaptor seal Grant D619,449 - Smith , et al. July 13, 2 | 2010-07-13 |
| Air delivery device Grant D614,286 - Lithgow , et al. April 20, 2 | 2010-04-20 |
| Adaptor seal Grant D613,385 - Smith , et al. April 6, 2 | 2010-04-06 |
| Humidifier/flow generator Grant D611,593 - Lithgow , et al. March 9, 2 | 2010-03-09 |
| Forehead pad Grant D607,994 - Fu , et al. January 12, 2 | 2010-01-12 |
| Humidifier Grant D604,830 - Lithgow , et al. November 24, 2 | 2009-11-24 |
| Humidifier with structure to prevent backflow of liquid through the humidifier inlet Grant 7,614,398 - Virr , et al. November 10, 2 | 2009-11-10 |
| Forehead support for facial mask Grant 7,614,400 - Lithgow , et al. November 10, 2 | 2009-11-10 |
| Forehead support for facial mask Grant 7,610,916 - Kwok , et al. November 3, 2 | 2009-11-03 |
| Adaptor seal Grant D600,787 - Smith , et al. September 22, 2 | 2009-09-22 |
| Humidifier and/or flow generator for CPAP device App 20090194106 - Smith; Ian Malcolm ; et al. | 2009-08-06 |
| Cushion for a respiratory mask assembly App 20090178679 - Lithgow; Perry David ; et al. | 2009-07-16 |
| Compliant coupling or adaptor App 20090120434 - Smith; Ian Malcolm ; et al. | 2009-05-14 |
| Cushion for a respiratory mask assembly Grant 7,523,754 - Lithgow , et al. April 28, 2 | 2009-04-28 |
| Humidifier base Grant D590,494 - Lithgow , et al. April 14, 2 | 2009-04-14 |
| Clip for respiratory mask Grant D586,258 - Guney , et al. February 10, 2 | 2009-02-10 |
| Air delivery device Grant D585,540 - Lithgow , et al. January 27, 2 | 2009-01-27 |
| Swivel elbow for mask assembly Grant D580,048 - Guney , et al. November 4, 2 | 2008-11-04 |
| Humidifier tub Grant D579,537 - Smith , et al. October 28, 2 | 2008-10-28 |
| Portion of a flow generator Grant D579,543 - Snow , et al. October 28, 2 | 2008-10-28 |
| Portion of mask Grant D579,105 - Jones , et al. October 21, 2 | 2008-10-21 |
| Humidifier base Grant D578,204 - Lithgow , et al. October 7, 2 | 2008-10-07 |
| Adaptor seal Grant D577,109 - Smith , et al. September 16, 2 | 2008-09-16 |
| Portion of a humidifier tub Grant D576,263 - Snow , et al. September 2, 2 | 2008-09-02 |
| Nasal mask Grant D576,272 - Jones , et al. September 2, 2 | 2008-09-02 |
| Portion of a humidifier tub Grant D569,958 - Snow , et al. May 27, 2 | 2008-05-27 |
| Portion of forehead pad Grant D567,935 - Fu , et al. April 29, 2 | 2008-04-29 |
| Breathable Gas Apparatus With Humidifier App 20080072900 - Kenyon; Barton John ; et al. | 2008-03-27 |
| Front portion of a humidifier tub inlet box seal Grant D565,160 - Virr , et al. March 25, 2 | 2008-03-25 |
| Portion of a gusseted cushion for a respiratory mask Grant D563,548 - Guney , et al. March 4, 2 | 2008-03-04 |
| Portion of a frame for a mask Grant D562,444 - Guney , et al. February 19, 2 | 2008-02-19 |
| Humidifier tub base Grant D561,891 - Lithgow , et al. February 12, 2 | 2008-02-12 |
| Portion of a right side headgear strap and yoke Grant D561,893 - Gunaratnam , et al. February 12, 2 | 2008-02-12 |
| Humidifier for a flow generator Grant D561,890 - Lithgow , et al. February 12, 2 | 2008-02-12 |
| Portion of a front face of headgear for respiratory mask Grant D561,332 - Amarasinghe , et al. February 5, 2 | 2008-02-05 |
| Air delivery device Grant D560,795 - Lithgow , et al. January 29, 2 | 2008-01-29 |
| Mask Grant D560,796 - Jones , et al. January 29, 2 | 2008-01-29 |
| Portion of a humidifier tub Grant D559,963 - Smith , et al. January 15, 2 | 2008-01-15 |
| Portion of a humidifier tub Grant D559,964 - Snow , et al. January 15, 2 | 2008-01-15 |
| Portion of a humidifier unit Grant D559,371 - Snow , et al. January 8, 2 | 2008-01-08 |
| Humidifier tub lid Grant D557,407 - Lithgow , et al. December 11, 2 | 2007-12-11 |
| Humidifier base Grant D557,406 - Lithgow , et al. December 11, 2 | 2007-12-11 |
| Portion of a swivel elbow for a mask Grant D556,897 - Guney , et al. December 4, 2 | 2007-12-04 |
| Portion of a mask Grant D556,898 - Guney , et al. December 4, 2 | 2007-12-04 |
| Portion of a humidifier unit and tub Grant D555,236 - Snow , et al. November 13, 2 | 2007-11-13 |
| Humidifier tub inlet box seal Grant D553,228 - Virr , et al. October 16, 2 | 2007-10-16 |
| Flow generator Grant D550,349 - Lithgow , et al. September 4, 2 | 2007-09-04 |
| Elastic gas washout vent for a respiratory mask Grant D550,351 - Kwok , et al. September 4, 2 | 2007-09-04 |
| Humidifier tub Grant D549,810 - Smith , et al. August 28, 2 | 2007-08-28 |
| Combined flow generator, humidifier tub and cradle Grant D549,321 - Snow , et al. August 21, 2 | 2007-08-21 |
| Forehead pad for respiratory mask App 20070157934 - Lang; Bernd Christoph ; et al. | 2007-07-12 |
| Headgear connection assembly for a respiratory mask assembly App 20070157353 - Guney; Memduh ; et al. | 2007-07-12 |
| Right side headgear strap and yoke Grant D546,441 - Hitchcock , et al. July 10, 2 | 2007-07-10 |
| Left side headgear strap and yoke assembly Grant D545,961 - Hitchcock , et al. July 3, 2 | 2007-07-03 |
| Humidifer unit and tub Grant D545,954 - Snow , et al. July 3, 2 | 2007-07-03 |
| Humidifier tub Grant D544,591 - Snow , et al. June 12, 2 | 2007-06-12 |
| Air delivery device Grant D544,598 - Lithgow , et al. June 12, 2 | 2007-06-12 |
| Forehead pad for respiratory mask Grant 7,216,647 - Lang , et al. May 15, 2 | 2007-05-15 |
| Respiratory mask assembly with vent App 20070101998 - Kwok; Philip Rodney ; et al. | 2007-05-10 |
| Mask and vent assembly therefor Grant 7,207,335 - Kwok , et al. April 24, 2 | 2007-04-24 |
| Nasal mask Grant D539,418 - Jones , et al. March 27, 2 | 2007-03-27 |
| Storage system for an apparatus that delivers breathable gas to a patient App 20070045152 - Kwok; Philip Rodney ; et al. | 2007-03-01 |
| Air pressure signal monitoring in apparatus for treating sleep disordered breathing Grant 7,137,388 - Virr , et al. November 21, 2 | 2006-11-21 |
| Air pressure signal monitoring in apparatus for treating sleep disordered breathing App 20060237005 - Virr; Alexander ; et al. | 2006-10-26 |
| Mask system App 20060201514 - Jones; Michael Andrew ; et al. | 2006-09-14 |
| Nasal assembly App 20060137690 - Gunaratnam; Michael Kassipillai ; et al. | 2006-06-29 |
| Nasal mask Grant D519,206 - Jones , et al. April 18, 2 | 2006-04-18 |
| Humidifier with structure to prevent backflow of liquid through the humidifier inlet App 20050247314 - Virr, Alexander ; et al. | 2005-11-10 |
| Humidifier with structure to prevent backflow of liquid through the humidifier inlet Grant 6,935,337 - Virr , et al. August 30, 2 | 2005-08-30 |
| Nasal mask Grant D506,827 - Jones , et al. June 28, 2 | 2005-06-28 |
| Swivel elbow for mask assembly Grant D496,098 - Guney , et al. September 14, 2 | 2004-09-14 |
| Flow generator casing Grant D493,520 - Bertinetti , et al. July 27, 2 | 2004-07-27 |
| Cushion for a respiratory mask assembly App 20040118406 - Lithgow, Perry David ; et al. | 2004-06-24 |
| Forehead pad for respiratory mask App 20040112387 - Lang, Bernd Christoph ; et al. | 2004-06-17 |
| Humidifier with structure to prevent backflow of liquid through the humidifier inlet App 20040060559 - Virr, Alexander ; et al. | 2004-04-01 |
| Air pressure signal monitoring in apparatus for treating sleep disordered breathing App 20040055597 - Virr, Alexander ; et al. | 2004-03-25 |
| Valve for use in a gas delivery system Grant 6,189,532 - Hely , et al. February 20, 2 | 2001-02-20 |
| Valve for use in a gas delivery system Grant 5,896,857 - Hely , et al. April 27, 1 | 1999-04-27 |
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