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Decentralized pumping system

Heating systems – Automatic control – Water
Reexamination Certificate

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Demand radiant heating system

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

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Demand radiant heating system

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

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Device for automatically balancing a liquid-based...

Heating systems – Automatic control – Water
Reexamination Certificate

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Device for controlling heat

Heating systems – Automatic control – Water
Patent

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Device for controlling heater for motor vehicle

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

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Device for cooling chimney gases

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

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Devices for heating premises by the use of heat pumps and method

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

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Direct current electrical controls for heating systems

Heating systems – Automatic control – Water
Reexamination Certificate

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Domestic hot water heating control circuit for furnace control s

Heating systems – Automatic control – Combined radiator and boiler
Patent

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Domestic hot water zone valve controlled external coil

Heating systems – Automatic control – Water
Patent

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Dual heat source heating system

Heating systems – Automatic control – Water
Patent

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Dual heating system

Heating systems – Automatic control – Water
Patent

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Dual tank water heating system

Heating systems – Automatic control – Water
Patent

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Dual-purpose central heating boilers

Heating systems – Automatic control – Water
Patent

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