Dyson Limited
166Patents
29Active
166Granted
44Portfolio score
Filing activity: Jan 8, 2001 → Feb 9, 2012 · 29 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6553612B1 | Vacuum cleaner | Human Necessities | 321 | Expired |
| US6605156B1 | Robotic floor cleaning device | Human Necessities | 264 | Expired |
| US6671592B1 | Autonomous vehicular appliance, especially vacuum cleaner | Human Necessities | 245 | Expired |
| US6493612B1 | Sensors arrangement | Emerging Cross-Sectional Technologies | 236 | Expired |
| US6581239B1 | Cleaner head for a vacuum cleaner | Human Necessities | 227 | Expired |
| USD602143S1 | Fan | General | 163 | Expired |
| US6601265B1 | Vacuum cleaner | Human Necessities | 161 | Expired |
| USD602144S1 | Fan | General | 156 | Expired |
| US6774596B1 | Indicator for a robotic machine | Physics | 151 | Expired |
| USD605748S1 | Fan | General | 148 | Expired |
| USD598532S1 | Fan | General | 145 | Expired |
| USD614280S1 | Fan | General | 137 | Expired |
| US6590222B1 | Light detection apparatus | Physics | 115 | Expired |
| US6818036B1 | Cyclonic vacuum cleaner | Emerging Cross-Sectional Technologies | 106 | Expired |
| USD668010S1 | Vacuum cleaner | General | 99 | Active |
| US6974488B2 | Vacuum cleaner | Emerging Cross-Sectional Technologies | 81 | Expired |
| US6607572B2 | Cyclonic separating apparatus | Emerging Cross-Sectional Technologies | 80 | Expired |
| USD672024S1 | Fan | General | 70 | Active |
| USD643098S1 | Fan heater | General | 63 | Expired |
| USD518611S1 | Cleaning appliance | General | 62 | Expired |
| USD471683S1 | Collection chamber for a vacuum cleaner | General | 58 | Expired |
| US6835222B2 | Apparatus for separating particles from fluid flow | Emerging Cross-Sectional Technologies | 58 | Expired |
| USD668823S1 | Vacuum cleaner | General | 57 | Active |
| US6991666B2 | Collecting chamber for a vacuum cleaner | Emerging Cross-Sectional Technologies | 55 | Expired |
| USD647265S1 | Part of a vacuum cleaner | General | 49 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.