Primary oil burner safety control and intermittent ignition syst
Procedure for regulating a combustion process
Process and apparatus for the continuous burning of a fuel
Process and device for operating a gas burner
Programmable burner for gas stoves
Protection of gas burners
Proven pilot fuel ignition system with sampling flame sensor
Proving system for fuel burner blower
Pump purge for oil primary
Radiation gas burner with safety device
Radiation modulator system
Recycling pilot ignition system
Recycling pilot ignition system
Reduction of gaseous pollutants in combustion flue gas
Regulating device for an air ratio-regulated burner
Regulating system for gas burners
Remote-controlled gas barbeque igniting system
Rodent exterminating apparatus
Roll-out flame detector for swimming pool heater fuel gas contro
Safe gas control valve for use with standing pilot