Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11135394 | Humidifier and/or flow generator for CPAP device | Ian Malcolm Smith, John Michael Snow, Perry David Lithgow | 2021-10-05 |
| 11040166 | Humidifier with a water tub within a pressurized chamber | Alexander Virr, Andrew Roderick Bath, Nathan John Row, Phoebe Katherine Hill, Nicholas Andrew Earl +2 more | 2021-06-22 |
| 10881820 | Breathable gas apparatus with humidifier | Geoffrey Crumblin, Michael Thomas Janiak, Barton John Kenyon, Perry David Lithgow, Rohan Neil Primrose +5 more | 2021-01-05 |