4. Refrigeration
  5. Automatic control
  6. Refrigeration producer

Dean P. Pfefferle

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A/C maintenance system using heat transfer from the...

Refrigeration – Processes – Assembling – charging – or repairing of refrigeration producer
Reexamination Certificate

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Cart-housing for automotive service equipment

Material or article handling equipment – Hand cart or frame therefor – Stable
Design Patent

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Isolated refrigerant identifier

Refrigeration – Automatic control – Withdrawing or adding refrigerant from or to normally closed...
Reexamination Certificate

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Non-condensable purge control for refrigerant recycling system

Refrigeration – Automatic control – Refrigeration producer
Patent

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Non-condensable purge technique using refrigerant...

Refrigeration – Refrigeration producer – With refrigerant treater
Reexamination Certificate

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Profile ID: LFUS-PAI-P-377635

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