Patent · US Expired

Cooking appliance

US4960978A · kind A · utility

18Cited by
10References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 22, 1989
Grant dateOct 2, 1990
Priority date
Expiry dateFeb 22, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B2203/017
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electric cooking appliance has a sheet steel, glass, ceramic or glass ceramic carrier plate (15), to whose underside are applied for electrical heating purposes thick film resistors (16). It can be constructed as a large-area plate with several cooking points, or as an individual hotplate, which is received in a mounting rim (26). Temperature limitation and regulation sensors (22) are applied in the form of film resistance sensors to the underside of the carrier plate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.