Patent · US Expired

Thermostatically controlled gas heater

US5470018A · kind A · utility

87Cited by
11References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 30, 1994
Grant dateNov 28, 1995
Priority date
Expiry dateDec 30, 2014

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF23N2237/02
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A thermostatic gas heater which permits the user to mechanically select the number of active heating elements, ranging from one to the total number of heating elements. The thermostat mechanically regulates gas flow to all active heating elements. No electricity is necessary for operation because all control components operate mechanically.

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