Glass or glass ceramic cooking top with an electrical heating unit
US6875957B2 · kind B2 · utility
4Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2003 |
| Grant date | Apr 5, 2005 |
| Priority date | — |
| Expiry date | Oct 28, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B6/766
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A glass or glass ceramic cooking top 1 has on its underside 6 at least one heating unit 7. The heating unit 7 is in flat, heat-conducting contact with the underside 6, and contains an electrical resistance heating element exhibiting PTC behavior, the temperature in zone 3 being limited to a desired value without the use of a temperature limiter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.