LandOfFree - US Patents - Listing for Refrigeration

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

Refrigerant charging system controlled by charging pressure chan

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

Refrigerant charging system in which a refrigerant is freshened

Refrigeration – With means for charging closed refrigeration producing system

Refrigerant charging using line having a control valve

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

Refrigerant charging/pressure testing hose assembly

Refrigeration – Automatic control – Refrigeration producer

Refrigerant circuit

Refrigeration – Refrigeration producer – With lubricant handling means

Refrigerant circuit accumulator and associated fabrication metho

Refrigeration – Disparate apparatus utilized as heat source or absorber – With vapor compression system

Refrigerant circuit and heat pump type hot water supply...

Refrigeration – Automatic control – Refrigeration producer

Refrigerant circuit for ice making machine etc.

Refrigeration – Means producing shaped or modified congealed product – Thawing means

Refrigerant circuit for ice making machines etc.

Refrigeration – Automatic control – Responsive to vehicle body motion or traction

Refrigerant circuit with fluid flow control mechanism

Refrigeration – Automatic control – Refrigeration producer

Refrigerant circuit with improved means to prevent refrigerant f

Refrigeration – Automatic control – Refrigeration producer

Refrigerant circuit with passageway control mechanism

Refrigeration – Refrigeration producer – With lubricant handling means

Refrigerant circulating apparatus and method of assembling a ref

Refrigeration – With indicator or tester – Operatively correlated with automatic control

Refrigerant circulating system

Refrigeration – Refrigeration producer – With lubricant handling means

Refrigerant circulating system

Refrigeration – Automatic control – Refrigeration producer

Refrigerant circulating system

Refrigeration – Automatic control – Refrigeration producer

Refrigerant circulating system

Refrigeration – Cooled enclosure – Plural cooled compartments

Refrigerant circulation apparatus utilizing two evaporators oper

Refrigeration – With means preventing or handling atmospheric condensate... – Retainer or flow director for atmospheric condensate

Refrigerant coil apparatus and associated condensate drain pan s