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

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Apparatus and methods for variable furnace control

Combustion – Timer – programmer – retarder or condition responsive control – Responsive to combustion chamber pressure

Reexamination Certificate

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Apparatus for combustion, pollution and chemical process control

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

Patent

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Apparatus for controlling combustion device

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

Reexamination Certificate

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Apparatus for controlling combustion in heater

Combustion – Timer – programmer – retarder or condition responsive control – Of or by burner feed supply heating structure

Patent

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Apparatus for controlling fuel flow fluid heater burner

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

Patent

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Apparatus for controlling gas supply

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

Patent

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Apparatus for controlling the supply of gas to and heat from unv

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

Patent

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Apparatus for detecting a head wind in a gas boiler and method t

Combustion – Timer – programmer – retarder or condition responsive control – Of or by exhaust damper or exhaust pump

Patent

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Apparatus for detecting flame conditions in combustion systems

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

Patent

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Apparatus for detecting non-combusted fuel components in exhaust

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

Patent

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Apparatus for detecting the occurrence of inadequate levels of c

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

Patent

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Apparatus for exhausting combustion gases from a gas water heate

Combustion – Timer – programmer – retarder or condition responsive control – Of or by exhaust damper or exhaust pump

Patent

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Apparatus for finely raising and lowering a wick of a kerosene h

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

Patent

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Apparatus for fuel ignition system including complete cycling of

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

Patent

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Apparatus for modulating the flow of air and fuel to a gas burne

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

Patent

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Apparatus for operating a burner at an optimal level

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

Patent

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Apparatus for providing an air/fuel mixture to a fully premixed

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

Patent

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Apparatus for regulating furnace combustion

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

Patent

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Apparatus for sediment control in oil burner installations

Combustion – Timer – programmer – retarder or condition responsive control – Control of purger – of scavenger or of combustion start-up...

Patent

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Apparatus for supplying alternate gases to steam injection means

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

Patent

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