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

Combustion – Timer – programmer – retarder or condition responsive control – By combustion destructible element – e.g. – fusible plug – etc.

Gas distribution system

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

Gas drier

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

Gas fired appliance igntion and combustion monitoring system

Combustion – Timer – programmer – retarder or condition responsive control

Gas fireplace burner control system

Combustion – Timer – programmer – retarder or condition responsive control – By condition of burner feed or feed means

Gas flow controller

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

Gas fueled heating appliance

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

Gas furnace control arrangement

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

Gas furnace control system

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

Gas furnace controller

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

Gas furnace with improved ignition

Combustion – Timer – programmer – retarder or condition responsive control

Gas furnace with variable speed draft inducer

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

Gas heated appliance for personal use

Combustion – Timer – programmer – retarder or condition responsive control – Sensor of electrical condition or temperature of electrical...

Gas heater

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

Gas heating device, with a catalytic burner and regulating membe

Combustion – Timer – programmer – retarder or condition responsive control – Sensor of electrical condition or temperature of electrical...

Gas ignition apparatus

Combustion – Timer – programmer – retarder or condition responsive control – Igniter heat up and fuel feed sequence controlled by timer...

Gas ignition apparatus

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

Gas ignition control

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

Gas ignition devices

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

Gas leakage protection apparatus