Patent · US Expired

Fume exhaust device for use above a range

US6484713B1 · kind B1 · utility

11Cited by
8References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 22, 2000
Grant dateNov 26, 2002
Priority date
Expiry dateFeb 22, 2020

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF24C15/2021
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A fume exhaust hood is equipped with a fume detecting sensor element that controls the fan and, additionally, with a sensor element that directly or indirectly detects continuous activation of the range area connection and serves as a control member of a control circuit to start up the fume exhaust hood.

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