LandOfFree - US Patents - Listing for Combustion,Timer, programmer, retarder or condition responsive control

Combustion – Timer – programmer – retarder or condition responsive control – Of extinguishing means

Safety device for preventing uncontrolled flareup in wick-fed li

Combustion – Timer – programmer – retarder or condition responsive control – By combustion or combustion zone sensor

Safety device of the friction ratchet type operable on extinctio

Combustion – Timer – programmer – retarder or condition responsive control – By combustion or combustion zone sensor

Safety equipment for gas burner

Combustion – Timer – programmer – retarder or condition responsive control – Sensor of first burner controls second burner – e.g. – pilot...

Safety ignition means for burner installations

Combustion – Timer – programmer – retarder or condition responsive control – Sensor of first burner controls second burner – e.g. – pilot...

Safety ignition means for burner installations

Combustion – Timer – programmer – retarder or condition responsive control – Shutdown by sensed absence of flame in proving period

Safety ignition valves

Combustion – Timer – programmer – retarder or condition responsive control – By sensing of gas leakage – flashback or escaped flame

Safety module for fuel-burning appliance, and appliance...

Combustion – Timer – programmer – retarder or condition responsive control – By combustion or combustion zone sensor

Safety pilot burners

Combustion – Timer – programmer – retarder or condition responsive control – Of extinguishing means

Safety shut-off device for liquid fuel burners

Combustion – Timer – programmer – retarder or condition responsive control – By sensing of gas leakage – flashback or escaped flame

Safety switch for a combustion system

Combustion – Timer – programmer – retarder or condition responsive control – By tilting – jarring – or mechanical damage

Safety tip-over device for portable gas-fired infrared radiant h

Combustion – Timer – programmer – retarder or condition responsive control – By combustion or combustion zone sensor

Safety valve supply circuit for the ignition of a gas burner

Combustion – Timer – programmer – retarder or condition responsive control – Sensor of first burner controls second burner – e.g. – pilot...

Sealed gas control valve

Combustion – Timer – programmer – retarder or condition responsive control – Of extinguishing means

Self extinguishing and self cleaning candle holder

Combustion – Timer – programmer – retarder or condition responsive control – Of extinguishing means

Self-activated candle extinguishing device

Combustion – Timer – programmer – retarder or condition responsive control – With test circuit checking or analyzing flame sensing...

Self-checking automatic pilot fuel ignition system

Combustion – Timer – programmer – retarder or condition responsive control – With test circuit checking or analyzing flame sensing...

Self-checking safety switch control circuit

Combustion – Timer – programmer – retarder or condition responsive control – Sensor of first burner controls second burner – e.g. – pilot...

Self-contained electric igniter with rechargeable battery

Combustion – Timer – programmer – retarder or condition responsive control – Sensor of first burner controls second burner – e.g. – pilot...

Self-energizing burner control system for a fuel burner