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Patents for F25B 45 - Arrangements for charging or discharging refrigerant (2,920) |
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09/23/1980 | US4223537 Air cooled centrifugal water chiller with refrigerant storage means | 05/29/1980 | WO1980001102A1 A method for running a cooling-heating pump | 03/20/1980 | WO1980000491A1 Device for a heating or cooling unit | 04/17/1979 | US4149574 Apparatus for filling a hollow and closed system provided with only one filling aperture | 04/10/1979 | US4148198 Refrigeration charging and sealing device | 11/21/1978 | US4126017 Method of refrigeration and refrigeration apparatus | 09/05/1978 | US4110998 Apparatus for detecting and removing contaminants from a refrigeration system | 08/15/1978 | US4106306 Refrigerant charge adjuster apparatus | 05/02/1978 | US4086780 Refrigerating apparatus, in particular two-temperature refrigerator | 06/28/1977 | US4032041 Dispensing apparatus having temperature compensating fluid metering | 05/31/1977 | US4026320 Valve assembly for panel mounting | 03/29/1977 | US4014181 Air conditioning methods and apparatus | 12/14/1976 | US3996765 Refrigerant system charging and evacuating manifold | 08/24/1976 | US3976110 Refrigerant charging kit | 08/17/1976 | US3974659 Oil sampling and charging method and apparatus for refrigeration systems | 06/22/1976 | US3964267 Refrigeration charging cylinder | 06/15/1976 | US3963212 Two-way tee for joining refrigerant lines | 04/20/1976 | US3950961 Cooling system for a two-temperature refrigerator | 02/10/1976 | US3937029 Method and apparatus for charging air conditioners with refrigerant fluid | 02/03/1976 | US3935713 Method and apparatus for maintaining and servicing a pressurized refrigeration system or the like |
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