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Engine driven air conditioning apparatus

Refrigeration – Reversible – i.e. – heat pump
Patent

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Expansion device with adjustable refrigerant throttling

Refrigeration – Reversible – i.e. – heat pump – With flow control or compressor details
Patent

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Extended range heat pump system and centrifugal compressor for u

Refrigeration – Reversible – i.e. – heat pump – With flow control or compressor details
Patent

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Five-way valve having simultaneous defrosting and heating functi

Refrigeration – Reversible – i.e. – heat pump – With flow control or compressor details
Patent

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Flash tank for heat pump in heating and cooling modes of...

Refrigeration – Reversible – i.e. – heat pump
Reexamination Certificate

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Fluid/vacuum chamber to remove heat and heat vapor from a refrig

Refrigeration – Reversible – i.e. – heat pump
Patent

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Four wave valve for reversible cycle refrigeration system

Refrigeration – Reversible – i.e. – heat pump – With product treatment
Patent

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Four way reversing valve

Refrigeration – Reversible – i.e. – heat pump – With product treatment
Patent

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Ground water heat pump system

Refrigeration – Reversible – i.e. – heat pump
Patent

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Heat engine / heat pump using centrifugal fans

Refrigeration – Reversible – i.e. – heat pump
Reexamination Certificate

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Heat exchange equipment

Refrigeration – Reversible – i.e. – heat pump – With atmospheric condensate removal or prevention
Reexamination Certificate

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Heat exchange system with reversing receiver flow

Refrigeration – Reversible – i.e. – heat pump – With refrigerant collection and intermittent discharge
Patent

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Heat exchanger

Refrigeration – Reversible – i.e. – heat pump
Reexamination Certificate

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Heat exchanger

Refrigeration – Reversible – i.e. – heat pump – External fluid flow reversed
Patent

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Heat exchanger

Refrigeration – Reversible – i.e. – heat pump – With flow control or compressor details
Reexamination Certificate

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Heat exchanger

Refrigeration – Reversible – i.e. – heat pump – With product treatment
Patent

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Heat exchanger and heat pump circuit

Refrigeration – Reversible – i.e. – heat pump – With flow control or compressor details
Patent

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Heat exchanger and method of use therefor

Refrigeration – Reversible – i.e. – heat pump – With flow control or compressor details
Reexamination Certificate

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Heat exchanger applicable more particularly to compressor heat p

Refrigeration – Reversible – i.e. – heat pump – With product treatment
Patent

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Heat exchanger capillary tube routing

Refrigeration – Reversible – i.e. – heat pump
Patent

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