| Patents for F25B 45 - Arrangements for charging or discharging refrigerant (2,920) |
|---|
| 04/17/1996 | EP0604417B1 Control of high-side pressure in transcritical vapor compression cycle |
| 04/03/1996 | EP0704521A1 Method for removing unwanted lubricating oil from a refrigeration system |
| 04/02/1996 | US5502974 Hydraulic system for recovering refrigerants |
| 03/27/1996 | EP0703422A2 Freezing apparatus |
| 03/27/1996 | EP0703421A2 Refrigerated cabinet with at least two compartments having different temperatures |
| 03/26/1996 | US5501082 Refrigeration purge and/or recovery apparatus |
| 03/20/1996 | CN1118867A Method and apparatus for refrigerant reclamation |
| 03/12/1996 | US5497631 Transcritical vapor compression cycle device with a variable high side volume element |
| 03/12/1996 | US5497627 Methods for purifying refrigerant compositions |
| 03/12/1996 | US5497625 Thermoelectric refrigerant handling system |
| 02/28/1996 | EP0698201A1 Method of replacement of a lubricant in cooling systems |
| 02/28/1996 | CN1117573A Two phase flow turbine |
| 02/27/1996 | US5493869 Recovery of at least two different and incompatible refrigerant types |
| 02/05/1996 | WO1996012921A1 Air conditioner and method of controlling washing operation thereof |
| 01/09/1996 | US5481883 Method and apparatus for reduction of refrigerant gases escaping from refrigeration systems |
| 01/02/1996 | US5479788 Refrigerant recovery system |
| 12/31/1995 | CA2127134A1 Refrigerant recovery and recycling system |
| 12/05/1995 | US5471848 Refrigerant recovery and purification method and apparatus |
| 11/28/1995 | CA2080760C Apparatus for recovering refrigerant |
| 11/21/1995 | US5467613 Single fluid compression/expansion refrigeration apparatus |
| 11/21/1995 | US5467608 Apparatus for collecting a volatile condensate and for separating non-condensible gas therefrom |
| 11/15/1995 | EP0682218A1 Method and apparatus for refrigerant reclamation |
| 11/15/1995 | EP0623203A4 By-pass manifold valve system for charging, repairing and/or testing refrigerant systems. |
| 11/14/1995 | US5465590 Refrigerant reclaim with air purge |
| 10/24/1995 | US5460005 Closed loop oil service system for AC or refrigerant compressor units |
| 10/14/1995 | CA2143790A1 Seed firming wheel having a furrow following sidewall |
| 10/11/1995 | EP0676600A2 Two phase flow turbine |
| 09/26/1995 | US5452586 Method for flushing a refrigeration system |
| 09/20/1995 | EP0672233A1 Trans-critical vapour compression device |
| 09/20/1995 | CN2208204Y Recovery, regenerative and recharging device for refrigerant |
| 08/29/1995 | US5444988 Closed loop oil charging for ac or refrigerant compressor units |
| 08/22/1995 | US5442930 One step refrigerant recover/recycle and reclaim unit |
| 08/15/1995 | US5440897 Closed loop oil service system for AC or refrigerant compressor units |
| 08/01/1995 | US5437162 Closed loop oil service system for AC or refrigerant compressor units |
| 07/18/1995 | US5433081 Refrigerant recovery and purification method and apparatus with oil adsorbent separator |
| 07/11/1995 | US5431189 Flow control manifold and gauge |
| 06/27/1995 | US5426950 Refrigerant separation apparatus and method |
| 06/20/1995 | US5425242 Process for recovery and purification of refrigerants with solid sorbents |
| 06/13/1995 | US5423190 Apparatus for evacuating and charging a refrigeration unit |
| 05/23/1995 | US5417075 Refrigerant filtation system with filter change indication |
| 05/16/1995 | US5415003 Method for removing original type lubricant from air conditioning system and injecting replacement oil |
| 05/09/1995 | US5412955 Non-condensable purge control for refrigerant recycling system |
| 05/04/1995 | DE4337177A1 Method and apparatus for filling and/or maintaining air-conditioning systems |
| 04/27/1995 | DE4408819C1 Method and device for emptying and filling refrigerators with refrigerant |
| 04/25/1995 | US5408840 Refrigerant overpressure release recovery system with compressor auto shutdown |
| 04/18/1995 | US5406806 Automatic charge refrigerant transfer system |
| 03/30/1995 | DE4332750A1 Safety valve for refrigerant systems |
| 03/28/1995 | US5400606 Apparatus for recovering refrigerant |
| 03/23/1995 | DE4331769A1 Flushing system for devices containing refrigerant |
| 03/21/1995 | US5398518 Device for recovering refrigerant from a closed cooling system |
| 03/14/1995 | US5396774 By-pass manifold valve for charging, repairing and/or testing refrigerant systems |
| 02/28/1995 | US5392610 Method and apparatus for recovering refrigerants from home refrigeration systems |
| 02/21/1995 | US5390503 Recovery and recycling system for refrigerant |
| 02/14/1995 | US5388417 Bag for the recovery of used freon from an operational system |
| 02/14/1995 | US5388416 Refrigerant handling method with air purge and system clearing capabilities |
| 02/02/1995 | WO1995003516A1 A quick cooling air conditioning system |
| 02/02/1995 | CA2168095A1 A quick cooling air conditioning system |
| 01/10/1995 | US5379607 Refrigerant recovery and recycling system |
| 01/10/1995 | US5379605 Method for cleaning air conditioning system |
| 01/10/1995 | US5379604 Emergency refrigerant recovery activation system |
| 01/03/1995 | US5378123 Apparatus for recovering refrigerant with offset cam |
| 01/03/1995 | US5377499 Method and apparatus for refrigerant reclamation |
| 01/03/1995 | US5377495 Temperature controlled thermal jacket for transfering refrigerant |
| 01/03/1995 | US5377493 Method and apparatus for evacuating and charging a refrigeration unit |
| 12/27/1994 | US5375426 Recovering refrigerant from system, draining lubricant, flushing with carbon dioxide, removing carbon dioxide and dissolved contaminants, charging with new refrigerant and compatible lubricant |
| 12/27/1994 | US5375425 Collection method for gaseous or liquid phase materials |
| 12/22/1994 | DE4319805A1 Apparatus for monitoring a filling volume |
| 12/15/1994 | DE4319051A1 Flushing system for appliances containing refrigerants |
| 12/13/1994 | US5372013 Quick cooling air conditioning system |
| 12/13/1994 | CA2080604C Method for controlling the rotational speed of a motor-compressor used in an air conditioner |
| 12/06/1994 | US5369959 Non-condensable purge control for refrigerant recycling system |
| 11/29/1994 | US5367888 Apparatus for servicing refrigeration systems |
| 11/29/1994 | US5367886 Refrigerant handling system with air purge and system clearing capabilities |
| 11/24/1994 | WO1994027100A1 Method of replacement of a lubricant in cooling systems |
| 11/15/1994 | US5363666 Manually operated refrigerant recovery device |
| 11/15/1994 | US5363665 Hand pump for evacuating and charging a refrigerating system |
| 11/15/1994 | US5363662 Refrigerant recovery and recycling method and apparatus |
| 11/09/1994 | EP0623203A1 By-pass manifold valve system for charging, repairing and/or testing refrigerant systems |
| 11/08/1994 | US5361594 Refrigeration recovery and purification |
| 11/08/1994 | US5361592 Refrigerant conservation system |
| 11/01/1994 | US5359863 Refrigerant conservation system |
| 11/01/1994 | US5359859 Method and apparatus for recovering refrigerants |
| 10/25/1994 | US5357768 Refrigerant reclaim method and apparatus |
| 10/25/1994 | US5357763 In a refrigeration system |
| 10/11/1994 | US5353603 Dual refrigerant recovery apparatus with single vacuum pump and control means |
| 10/05/1994 | EP0617782A1 Transcritical vapor compression cycle device with a variable high side volume element. |
| 09/27/1994 | US5349998 Injector manifold valve capable of preventing leaks into the environment, for coolant gases |
| 09/13/1994 | CA1331922C Refrigerant recovery and purification system |
| 09/06/1994 | USRE34715 Multifunction fluid charging device |
| 08/24/1994 | EP0580622A4 Apparatus for servicing refrigeration systems |
| 08/23/1994 | US5339647 Portable apparatus for recovery of chlorofluorocarbon (CFC) refrigerants |
| 08/23/1994 | US5339646 Apparatus for recovery of refrigerant |
| 08/23/1994 | US5339642 Refrigerant recovery to multiple refrigerant storage containers |
| 08/18/1994 | WO1994018511A1 Chlorofluorocarbon recovery device |
| 08/16/1994 | US5337578 Trapped air monitor for a refrigerant recovery unit |
| 08/09/1994 | US5336065 Manually operated refrigerant recovery device |
| 08/09/1994 | US5335512 Refrigerant recovery device |
| 08/09/1994 | US5335511 Refrigerant release prevention system |
| 08/04/1994 | WO1994017348A1 A method and apparatus for the cleansing of oil from refrigerating machines and heat pumps |
| 08/04/1994 | CA2155011A1 A method and apparatus for the cleansing of oil from refrigerating machines and heat pumps |