Apparatus and method for burning fuel
Apparatus for monitoring exhaust gases
Apparatus for preventing gas leakage
Automatic system to feed burners with diesel or light fuel-oil
Automatic vent damper and fuel valve control
Automatically optimized combustion control
Burner control system
Burner with oxygen shortage sensor
Carburetion type burning apparatus
Cigarette lighter
Cigarette lighter provided with a device for signalling the numb
Circuit arrangement for flame detection
Combustion control apparatus
Combustion control apparatus
Control system for burner
Control system with timer redundancy
Draft tell-tale for fired furnaces
Electronic ignition system for a gas stove
Failure diagnosing apparatus for combustion systems
Flame safeguard sequencer having interlock checking means