Hairdryer with electrostatic precipitator and filter cleanout warning
US7204038B2 · kind B2 · utility
11Cited by
3References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 18, 2005 |
| Grant date | Apr 17, 2007 |
| Priority date | — |
| Expiry date | Apr 11, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45D2200/202
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A hairdryer air intake is cleansed of dust particles with an electrostatic precipitator. The precipitator consists of a charging device (1) and a grounded filter media (2) that can be removed and cleaned. A warning lamp (13) indicates the need to clean the filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.