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Electronic boiler control

Heating systems – Automatic control – Water
Patent

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Electronic flow controller for hydronic heating systems

Heating systems – Automatic control – Water
Patent

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Energy recovery system for boiler and domestic water

Heating systems – Automatic control – Water
Patent

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Energy source for large heating systems

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

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Engine-driven heat pump apparatus and method for stable operatio

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

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Engine-driven heat pump apparatus and method for stable operatio

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

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Engine-independent motor vehicle heating device with fuel-air ra

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

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Evaporative burner

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

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