Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11135394 | Humidifier and/or flow generator for CPAP device | Ian Malcolm Smith, John Michael Snow, Dan Kao | 2021-10-05 |
| 11103666 | Mask assembly | Michael Kassipillai Gunaratnam, Philip Rodney Kwok, Robin Garth Hitchcock, Lee James Veliss, Memduh Guney +3 more | 2021-08-31 |
| 11090455 | Nasal assembly | Michael Kassipillai Gunaratnam, Philip Rodney Kwok, Robin Garth Hitchcock, Lee James Veliss, Memduh Guney +3 more | 2021-08-17 |
| 11077276 | Mask assembly | Michael Kassipillai Gunaratnam, Philip Rodney Kwok, Robin Garth Hitchcock, Lee James Veliss, Memduh Guney +3 more | 2021-08-03 |
| 11000664 | Mask assembly | Michael Kassipillai Gunaratnam, Philip Rodney Kwok, Robin Garth Hitchcock, Lee James Veliss, Memduh Guney +3 more | 2021-05-11 |
| 10881820 | Breathable gas apparatus with humidifier | Geoffrey Crumblin, Michael Thomas Janiak, Dan Kao, Barton John Kenyon, Rohan Neil Primrose +5 more | 2021-01-05 |