4. Compositions
  5. Vaporization, or expansion, refrigeration or heat or energy...

Chuan Weng

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Cooling circuit apparatus and method

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

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Device for prevention of backward operation of scroll...

Pumps – Condition responsive control of pump drive motor – Responsive to pump or pump fluid temperature
Reexamination Certificate

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Device for prevention of backward operation of scroll...

Pumps – Condition responsive control of pump drive motor – Having timer or delay means
Reexamination Certificate

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Dual independent chamber ultra-low temperature freezer

Refrigeration – Automatic control – Refrigeration producer
Reexamination Certificate

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Freezer defrost method and apparatus

Refrigeration – Automatic control – Preventing – removing or handling atmospheric condensate
Reexamination Certificate

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Profile ID: LFUS-PAI-P-366882

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