Patent · US Expired

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 dateOct 28, 2003
Grant dateApr 5, 2005
Priority date
Expiry dateOct 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.