4. Rotary expansible chamber devices
  5. Heat exchange or non-working fluid lubricating or sealing
  6. Non-working and working fluids intermix in working chamber

Hitachi Air Conditioning Systems Co., Ltd.

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Air-conditioner, outdoor unit and refrigeration unit

Refrigeration – Refrigeration producer – Compressor-condenser-evaporator circuit
Reexamination Certificate

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Apparatus for driving a compressor and a refrigerating air...

Refrigeration – Automatic control – Refrigeration producer
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Plate type heat exchanger

Heat exchange – Flow passages for two confined fluids – Interdigitated plural first and plural second fluid passages
Reexamination Certificate

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Refrigeration cycle

Refrigeration – Refrigeration producer – Compressor-condenser-evaporator circuit
Reexamination Certificate

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Screw compressor

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Non-working and working fluids intermix in working chamber
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2448660

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