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| Number | Title | Issue Date |
| 5802859 | Apparatus for recovering and analyzing volatile refrigerants A self-contained refrigerant recovery device for recovering refrigerant from a transfer vessel into a storage reservoir, comprising, in a single enclosure a qualitative analyzer for determining a quality of a refrigerant in the transfer vessel; a quantita... | 09/08/1998 |
| 5502974 | Hydraulic system for recovering refrigerants A hydraulic refrigerant recovery system and method moves refrigerant liquid or refrigerant vapor. Substantial pressure is developed by the hydraulic unit for moving a substantially larger piston to increase the pumping rate for refrigerant. Only the size ... | 04/02/1996 |
| 5377499 | Method and apparatus for refrigerant reclamation A method and apparatus for reclaiming refrigerant are described to include a bypass line for hot gas is coupled to a distillation liquid temperature control, which controls the temperature of the system to remain at a very low temperature setting in order... | 01/03/1995 |
