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United States Utility Patents
5,214,930 - 5,214,939

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NumberTitle
5,214,930 Method for regulating the temperature of a medium by means of a temperature control loop, and a temperature-regulating device for implementing the method
5,214,931 Apparatus for sampling the purity of refrigerant in the storage container of a refrigerant recovery and purification system
5,214,932 Hermetically sealed electric driven gas compressor - expander for refrigeration
5,214,933 Self-cooling fluid container
5,214,934 Helical conveyor systems
5,214,935 Fluid conditioning apparatus and system
5,214,936 Cooling air supply device for a freezer compartment
5,214,937 Integral oil separator and muffler
5,214,938 Spine fin refrigerator evaporator having generally oval spiral configuration
5,214,939 Variable area refrigerant expansion device having a flexible orifice



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