Patent · US Expired

Cooking apparatus

US4311899A · kind A · utility

6Cited by
4References
25Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 21, 1980
Grant dateJan 19, 1982
Priority date
Expiry dateApr 21, 2000

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B3/76
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A cooking unit comprises a substantially flat, thin-walled plate provided with helical grooves. Heating elements in the form of helical, flattened, tubular bodies are received in the grooves and provide a heating surface in which cooking vessels can stand.

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