Patent · US Expired

Radiant heaters

US4864105A · kind A · utility

10Cited by
4References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 23, 1987
Grant dateSep 5, 1989
Priority date
Expiry dateOct 23, 2007

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B3/748
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

In the radiant heater for an electric appliance such as a cooker, the heating element is secured by glue on stakes automatically inserted into and held by friction in a compacted layer of microporous thermal insulation.

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