| Patents for F25B 45 - Arrangements for charging or discharging refrigerant (2,920) |
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| 02/24/1998 | US5720184 Low pressure refrigerant recovery recycle machine |
| 02/24/1998 | US5720178 Refrigeration system with isolation of vapor component from compressor |
| 02/17/1998 | US5718119 Refrigeration system and method of installing same |
| 02/10/1998 | US5715692 Refrigerant charging manifold valve |
| 02/04/1998 | CN1172241A Heat exchanger, method of reusing and recovering refrigerant thereof |
| 01/27/1998 | US5711158 Apparatus and method for charging three-component mixed refrigerant |
| 01/20/1998 | US5709091 Refrigerant recovery and recycling method and apparatus |
| 01/13/1998 | US5706665 Refrigeration system |
| 01/07/1998 | CN1169771A Air conditioner and method of controlling washing operation thereof |
| 12/23/1997 | US5699678 Charging device |
| 12/17/1997 | EP0813033A2 Mixed refrigerant injection method and apparatus |
| 12/11/1997 | DE19723232A1 Heat exchanger which can be reused, with reclaim of cooling medium, for air conditioning plant |
| 12/10/1997 | EP0811813A2 Refrigeration system |
| 12/09/1997 | US5694779 Refrigerator and condenser |
| 12/09/1997 | US5694778 Refrigerant metering charge board and method of its operation |
| 12/04/1997 | WO1997045683A1 Pressure relief system and method of use particularly for a refrigeration system |
| 11/19/1997 | EP0424474B2 Method of operating a vapour compression cycle under trans- or supercritical conditions |
| 11/19/1997 | CN1165279A Apparatus and method for charging three-component mixed refrigerant |
| 11/18/1997 | US5687582 Refrigeration system fluid tube seal |
| 11/12/1997 | CN2267442Y Hand carried multi-function refrigerant charging arrangement |
| 11/11/1997 | US5685161 Refrigerant recovery and recycling apparatus |
| 11/05/1997 | EP0672233B1 Trans-critical vapour compression device |
| 10/23/1997 | WO1997039295A1 Hand-powered piston refrigerant charging pump |
| 10/23/1997 | CA2221151A1 Hand-powered piston refrigerant charging pump |
| 10/21/1997 | US5678415 Refrigerant recovery apparatus |
| 10/08/1997 | CN1161441A Valved discharge mechanism of fluid displacement apparatus |
| 10/07/1997 | US5673722 Liquid injection device, system and method |
| 10/01/1997 | EP0698201B1 Method of replacement of a lubricant in cooling systems |
| 09/30/1997 | US5671605 Refrigerant recovery system |
| 09/16/1997 | US5666812 Apparatus and process for renewing refrigerants |
| 09/09/1997 | US5664424 Refrigerant handling system and method with air purge and multiple refrigerant capabilities |
| 08/12/1997 | US5655378 Trans-critical vapor compression device |
| 08/12/1997 | CA2059815C Heat pump |
| 08/06/1997 | EP0787958A1 Air conditioner and method of controlling washing operation thereof |
| 07/24/1997 | WO1997026492A1 Combined refrigerant recovery, evacuation and recharging apparatus and method |
| 07/15/1997 | US5647961 Refrigerant decontamination and separation system |
| 07/09/1997 | CN1153888A Method for constructing refrigerating cycle including process of removing oxygen |
| 07/02/1997 | CN1153281A Refrigerator and condenser |
| 06/17/1997 | US5638690 Method and apparatus for the cleansing of oil from refrigerating machines and heat pumps |
| 06/17/1997 | US5638689 Portable refrigerant recovery system |
| 05/07/1997 | EP0617782B1 Transcritical vapor compression cycle device with a variable high side volume element |
| 05/02/1997 | EP0770837A1 Hydraulic system for recovering refrigerants |
| 04/29/1997 | US5623832 Extraction and storage of pressurized fluent materials |
| 04/28/1997 | CA2161563A1 Hydraulic system for recovering refrigerants |
| 04/15/1997 | US5620502 Recovery and purification of refrigerants |
| 04/08/1997 | US5617731 Refrigerant recovery/recycling system |
| 04/01/1997 | CA2075400C Disposable apparatus and method for infusing a material into a closed loop system |
| 03/27/1997 | WO1997011324A1 Method and apparatus for refrigerant purge gas separation |
| 03/18/1997 | US5611211 Refirgeration system with electrically controlled refrigerant storage device |
| 03/12/1997 | EP0760928A1 A method and apparatus for the cleansing of oil from refrigerating machines and heat pumps |
| 03/04/1997 | US5606867 Refrigeration system fluid tube seal |
| 03/04/1997 | US5606862 Combined refrigerant recovery, evacuation and recharging apparatus and method |
| 02/26/1997 | CN1143726A Method and apparatus for recovering, reclaiming, and filling air conditioner freon |
| 02/25/1997 | US5605054 Apparatus for reclaiming refrigerant |
| 02/18/1997 | US5603224 Portable refrigerant recovery system |
| 02/18/1997 | US5603223 Refrigerant handling with lubricant separation and draining |
| 02/13/1997 | WO1997005435A1 Refrigerant reclamation and purification apparatus and method |
| 02/11/1997 | US5600959 Method of replacing the lubrication product in refrigeration systems |
| 02/04/1997 | US5598714 Method and apparatus for separation of refrigerant from a purge gas mixture of refrigerant and non-condensible gas |
| 01/29/1997 | EP0756142A2 Refrigerator |
| 01/03/1997 | WO1997000108A1 Refrigerant separation system |
| 12/24/1996 | US5586443 Refrigerant conservation system and method |
| 12/17/1996 | CA2059146C Refrigerant handling system with liquid refrigerant and multiple refrigerant capabilities |
| 12/10/1996 | US5582019 Method and apparatus for recovering and purging refrigerant |
| 12/10/1996 | US5582014 Gas compressor for halocarbon purification |
| 11/28/1996 | WO1996037759A1 Fluid dispensing apparatus and method of dispensing fluid |
| 11/26/1996 | US5577391 Refrigeration system |
| 11/19/1996 | US5575833 Refrigerant recycling system and apparatus |
| 11/14/1996 | WO1996035896A1 Method and valve for filling fluid system |
| 11/14/1996 | CA2220050A1 Method and valve for filling fluid system |
| 11/13/1996 | EP0742414A2 Method and apparatus for recovering refrigerant |
| 11/09/1996 | CA2163810A1 Method and apparatus for recovering refrigerant |
| 11/05/1996 | US5570590 Apparatus for reclaiming and purifying used refrigerants |
| 10/24/1996 | WO1996033376A1 Refrigerant evaporator over-pressure relief system including a fluid containment vessel |
| 10/15/1996 | US5564280 Apparatus and method for refrigerant fluid leak prevention |
| 10/10/1996 | DE19529885C1 Cooling unit for vehicle air conditioning |
| 10/01/1996 | US5560215 Gas processor |
| 09/24/1996 | US5557940 Portable heating unit for on-site charging of a cooling unit |
| 09/03/1996 | US5551247 Refrigerant handling system and method especially for flammable and potentially flammable refrigerants |
| 08/27/1996 | US5548966 Refrigerant recovery system |
| 08/15/1996 | WO1996024827A1 Liquid injection device, system and method |
| 08/14/1996 | EP0592449B1 Refrigerant recycling system |
| 08/13/1996 | US5544494 Method and apparatus for refrigerant purification |
| 08/13/1996 | US5544492 Refrigerant handling system and method with air purge and multiple refrigerant capabilities |
| 08/06/1996 | US5542261 For minimizing/preventing the loss of refrigerant fluid |
| 08/01/1996 | DE19525064C1 Refrigeration machine with housing for containing coolant |
| 07/30/1996 | US5540254 Apparatus for use in servicing and installing refrigeration systems without freon leakage |
| 07/23/1996 | US5537836 Refrigerant recovery unit |
| 07/23/1996 | US5537835 Refrigerant recovery systems employing series/parallel pumps |
| 07/16/1996 | US5535596 Refrigerant reclamation and purification apparatus and method |
| 07/16/1996 | US5535595 Refrigerant handling with centrifugal separation of non condensibles from refrigerant |
| 07/09/1996 | US5533359 Apparatus for servicing refrigeration systems |
| 07/09/1996 | US5533358 Refrigerant recovering system |
| 07/09/1996 | US5533345 Refrigerant recovery systems employing series/parallel pumps |
| 07/04/1996 | WO1996020379A1 Containment tank system for automatically capturing in an emergency situation refrigerant from a refrigerant chiller system |
| 07/04/1996 | DE4446820A1 Recovery of combustible hydrocarbon coolants in refrigerating plant |
| 06/04/1996 | CA2089633C Method and apparatus for non-atmospheric venting of evaporator over-pressure in a refrigeration system |
| 05/21/1996 | US5517825 Refrigerant handling system and method with air purge and system clearing capabilities |
| 05/08/1996 | EP0710349A1 A quick cooling air conditioning system |
| 04/30/1996 | US5511387 For recovering contaminated refrigerant from a system |