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Make up air system

Heating systems – Automatic control – Heat source is a reverse cycle refrigerating system or heat...
Patent

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Manifold for connecting circuits of a central heating system

Heating systems – Automatic control – Water
Patent

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Manifolds for use in water heat distribution systems

Heating systems – Automatic control – Water
Reexamination Certificate

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Means for setting the switching on and off periods of a burner o

Heating systems – Automatic control – Water
Patent

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Method and apparatus employing a heat pump for heating fluids in

Heating systems – Automatic control – Heat source is a reverse cycle refrigerating system or heat...
Patent

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Method and apparatus for air conditioner control

Heating systems – Automatic control – Heat source is a reverse cycle refrigerating system or heat...
Patent

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Method and apparatus for automatically transferring and measurin

Heating systems – Automatic control – Steam
Patent

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Method and apparatus for controlling a bi-directional pump of a

Heating systems – Automatic control – Water
Patent

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Method and apparatus for controlling a multi-source heating...

Heating systems – Automatic control – Heat source is a reverse cycle refrigerating system or heat...
Reexamination Certificate

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Method and apparatus for controlling supplemental heat in a heat

Heating systems – Automatic control – Heat source is a reverse cycle refrigerating system or heat...
Patent

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Method and apparatus for controlling supplemental heat in a heat

Heating systems – Automatic control – Heat source is a reverse cycle refrigerating system or heat...
Patent

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Method and apparatus for controlling vehicular fuel-combustion h

Heating systems – Automatic control – Water
Patent

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Method and apparatus for heat carrier circulation for a vehicle

Heating systems – Automatic control – Heat source is a reverse cycle refrigerating system or heat...
Patent

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Method and apparatus for heating building and ventilation air

Heating systems – Automatic control – Water
Patent

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Method and apparatus for providing supplemental heating

Heating systems – Automatic control – Heat source is a reverse cycle refrigerating system or heat...
Patent

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Method and apparatus for regulating heater cycles to improve fue

Heating systems – Automatic control – Water
Patent

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Method and apparatus for saving energy in circulating hot water

Heating systems – Automatic control – Water
Patent

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Method and apparatus for self-programmable temperature and...

Heating systems – Automatic control – Water
Reexamination Certificate

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Method and apparatus for shielding cargoes from condensate

Heating systems – Automatic control – Heat source is a reverse cycle refrigerating system or heat...
Patent

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Method and apparatus for the regulated transfer of heat from a p

Heating systems – Automatic control – Car
Patent

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