Self-extinguishing candle
Self-powered flame monitoring apparatus
Self-powered gas appliance
Self-powered intermittent ignition and control system for gas co
Self-proving burner igniter with stable pilot flame
Settable regulator device for gas/air mixture ratios
Shutoff system for gas fired appliances
Slow-opening gas valve
Smart wick
Snap acting thermostatic fluid valve and electrical switch coupl
Solid state ignition control
Spark ignited recycling ignition system with interlocking gas va
Spark ignition gas flow control system
Spark ignition system with positive suppression of spark when pi
Staged hydrocarbon combustion system
Stand-alone device for igniting, regulating and operating gas ap
Start up circuit
Start-up/shut-down for a hydrogen gas burner
Starting aid device for a high pressure combustion chamber
Stationary flame scanner for tilting burner