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Hydrogen engine system with metal hydride container

Heat exchange – Regenerator – Checker brick structure
Patent

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Hydrogen occluding core

Heat exchange – Radiator core type – Deformed sheet forms passages between side-by-side tube means
Reexamination Certificate

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Hydrogen pump

Heat exchange – Intermediate fluent heat exchange material receiving and... – Liquid fluent heat exchange material
Patent

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Hydrogen storage device for avoiding powder dispersion

Heat exchange – Intermediate fluent heat exchange material receiving and... – Reversible chemical reaction
Reexamination Certificate

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Hydronic heating and cooling system

Heat exchange – Movable heating or cooling surface – Rotary drum
Patent

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Hydronic heating system

Heat exchange – Structural installation
Patent

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Hydronic pump type heat radiator

Heat exchange – With retainer for removable article – Electrical component
Reexamination Certificate

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Hydronic radiant heat distribution panel and system

Heat exchange – Structural installation – Heating and cooling
Patent

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Hydronic radiant heat tubing receptacle and heat...

Heat exchange – Conduit within – or conforming to – panel or wall structure
Reexamination Certificate

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Hydronic system control for heating and cooling

Heat exchange – With timer – programmer – time delay – or condition responsive... – Having heating and cooling capability
Reexamination Certificate

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Hydronic thermal distribution system for space heating and cooli

Heat exchange – Movable heating or cooling surface – Rotary drum
Patent

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Hydrophilic and corrosion resistant fins for a heat exchanger

Heat exchange – With coated – roughened or polished surface
Patent

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Hydrophilic fins for a heat exchanger

Heat exchange – With coated – roughened or polished surface
Patent

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Hydrophilic fins for a heat exchanger

Heat exchange – With coated – roughened or polished surface
Patent

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Hydrophilic modification method and heat exchanger treated...

Heat exchange – With coated – roughened or polished surface
Reexamination Certificate

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Hydrostatic bladder-type storage means

Heat exchange – Regenerator – Heat collector
Patent

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Hygienic air handler

Heat exchange – With impeller or conveyor moving exchange material – Mechanical gas pump
Reexamination Certificate

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Hygienic air handler

Heat exchange – With impeller or conveyor moving exchange material – Mechanical gas pump
Patent

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Hypereutectic direct-contact thermal storage material and method

Heat exchange – Regenerator – Checker brick structure
Patent

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