Pilot assembly for direct fired make-up heater utilizing igniter
Pilot burner reignition system
Pilot burner safety device with methods of ambient air flow regu
Pilot flame powered burner controller with remote control...
Power gas burner for wood stove
Power phase regulator circuit improvement motor start switch sel
Power phase regulator circuit improvement, motor start switch, s
Pressure responsive safety valve for gas burner
Primary control and ignition system for oil burners
Primary control means for furnaces
Procedure for regulating a combustion process
Process and apparatus for the continuous burning of a fuel
Radiation gas burner with safety device
Radiation modulator system
Reduction of gaseous pollutants in combustion flue gas
Safety apparatus for room heating device
Safety apparatus in gas heating device
Safety circuit for monitoring a flickering flame
Safety device for fan heater
Safety device of the friction ratchet type operable on extinctio