Anti-fogging device and anti-fogging viewing member
US8399805B2 · kind B2 · utility
12Cited by
23References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 8, 2006 |
| Grant date | Mar 19, 2013 |
| Priority date | — |
| Expiry date | Nov 3, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/017
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An anti-fogging device has a substantially transparent or optically clear plastic layer with a heater element formed of etched metallic foil bonded to it. The device has an adhesive element disposed at the periphery of the device for sticking to a viewing member such as a motorcycle helmet visor, surgical mask or rear windscreen for a convertible car, to leave a gap between the heater element and the viewing member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.