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Closed loop energy exchange system

Heat exchange – Geographical
Patent

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Closed loop geothermal heat exchanger

Heat exchange – Geographical
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Conditioning the air in a structure utilizing a gravel heat...

Heat exchange – Geographical
Reexamination Certificate

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Cooling pond enhancement

Heat exchange – Geographical
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Corrugated heat pipe

Heat exchange – Geographical
Patent

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Device and process for the heat insulation of at least one...

Heat exchange – Geographical
Reexamination Certificate

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Device for absorbing heat from the earth

Heat exchange – Geographical
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Device for the protection against freezing of installations for

Heat exchange – Geographical
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Direct contact, binary fluid geothermal boiler

Heat exchange – Geographical
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Double-pipe geothermal water circulating apparatus

Heat exchange – Geographical
Reexamination Certificate

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Down-pumping heat pipes

Heat exchange – Geographical
Patent

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Drilled well series and paralleled heat exchange systems

Heat exchange – Geographical
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Earth coupled thermal barrier system

Heat exchange – Geographical
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Earth energy sink

Heat exchange – Geographical
Patent

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Earth heat exchange system

Heat exchange – Geographical
Reexamination Certificate

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Earth loop energy systems

Heat exchange – Geographical
Reexamination Certificate

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Earth-type heat exchanger for heat pump system

Heat exchange – Geographical
Patent

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Earth/block air preconditioner

Heat exchange – Geographical
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Encasement assembly for installation of sub-surface...

Heat exchange – Geographical
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Energy efficient housing structure

Heat exchange – Geographical
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