Dan Kao
90Patents
27h-index
41Co-inventors
88Inventor score
Filing activity: Jun 24, 2003 → May 2, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8006691B2 | Humidifier with removable water tank | Performing Operations; Transporting | 166 | Active |
| US8631789B2 | Humidification of respiratory gases | Human Necessities | 119 | Active |
| USD585540S1 | Air delivery device | General | 98 | Expired |
| USD560795S1 | Air delivery device | General | 83 | Expired |
| US8020551B2 | Breathable gas apparatus with humidifier | Performing Operations; Transporting | 82 | Active |
| USD659235S1 | Positive airway pressure delivery device | General | 73 | Expired |
| USD544598S1 | Air delivery device | General | 73 | Expired |
| USD561890S1 | Humidifier for a flow generator | General | 57 | Expired |
| USD627044S1 | Humidifier tub for humidifier for positive airway pressure delivery device | General | 56 | Expired |
| US8544465B2 | Compliant coupling or adaptor | Performing Operations; Transporting | 54 | Active |
| USD550349S1 | Flow generator | General | 51 | Expired |
| USD710989S1 | Humidifier for positive airway pressure delivery device | General | 50 | Active |
| USD561891S1 | Humidifier tub base | General | 50 | Expired |
| US9227035B2 | Breathable gas apparatus with humidifier | Performing Operations; Transporting | 48 | Active |
| US8028693B2 | Breathable gas apparatus with humidifier | Performing Operations; Transporting | 45 | Active |
| USD643114S1 | Humidifier tub for humidifier for positive airway pressure delivery device | General | 44 | Expired |
| USD578204S1 | Humidifier base | General | 42 | Expired |
| USD604830S1 | Humidifier | General | 41 | Expired |
| USD635244S1 | Humidifier tub | General | 38 | Expired |
| USD590494S1 | Humidifier base | General | 36 | Expired |
| USD635245S1 | Humidifier tub | General | 34 | Expired |
| USD635654S1 | Humidifier tub for a humidifier for a positive airway pressure delivery device | General | 34 | Expired |
| USD553228S1 | Humidifier tub inlet box seal | General | 31 | Expired |
| US9038629B2 | Humidifier and/or flow generator for CPAP device | Performing Operations; Transporting | 30 | Active |
| US9402970B2 | Humidifier with a water tub within a pressurized chamber | Human Necessities | 29 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.