| Patents for F25B 45 - Arrangements for charging or discharging refrigerant (2,920) |
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| 08/02/1994 | US5333468 Apparatus for prevention of loss of refrigerant |
| 08/02/1994 | US5333467 Apparatus and method of preventing fluid escape from a conduit |
| 08/02/1994 | US5333461 Pollution control; mixing collectable material ino liquid cryogenic material, evaporating cryogenic liquid while condensing collectable material, venting cryogenic material |
| 07/12/1994 | US5327741 Refrigerant recovery and purification machine |
| 07/12/1994 | US5327735 Refrigerant reclaiming and recycling system with evaporator chill bath |
| 07/06/1994 | EP0604700A1 Method and apparatus for refrigerant recovery |
| 07/06/1994 | EP0604417A1 Method of high-side pressure regulation in transcritical vapor compression cycle device. |
| 07/05/1994 | US5325675 Refrigerant handling system and method with enhanced recovery vacuum capability |
| 07/01/1994 | CA2095513A1 Method and apparatus for refrigerant recovery |
| 06/29/1994 | CN1025237C Connector for bomb and method for sucking liquid in bomb |
| 06/28/1994 | US5323808 Refrigerant charge connecting unit |
| 06/23/1994 | WO1994014016A1 Trans-critical vapour compression device |
| 06/14/1994 | US5319945 Method and apparatus for non-atmospheric venting of evaporator over-pressure in a refrigeration system |
| 06/09/1994 | WO1994012835A1 By-pass manifold valve system for charging, repairing and/or testing refrigerant systems |
| 06/09/1994 | CA2129221A1 By-pass manifold valve system for charging, repairing and/or testing refrigerant systems |
| 06/07/1994 | US5317906 Refrigerant configuration system |
| 06/07/1994 | US5317903 Refrigerant charging system controlled by charging pressure change rate |
| 05/24/1994 | US5313808 Portable refrigerant recycling unit for heat exchange with separate recovery unit |
| 05/17/1994 | US5311750 Oil collector unit |
| 05/11/1994 | CA2082705A1 Refrigerant recovery and recycling system |
| 05/10/1994 | US5309736 Hydrocarbon fluid, ejector refrigeration system |
| 05/03/1994 | CA2053929C Method and apparatus for recovering and purifying refrigerant |
| 04/20/1994 | EP0592449A1 Refrigerant recycling system. |
| 04/19/1994 | US5303564 Refrigerant recovery and purge apparatus |
| 04/19/1994 | US5303559 Method and apparatus for refrigerant recovery |
| 04/12/1994 | CA1328356C Method and arrangement for pumping preferably refrigerants |
| 04/12/1994 | CA1328355C Refrigerant reclaim method and apparatus |
| 03/31/1994 | WO1994007029A1 Manually operated refrigerant recovery device |
| 03/29/1994 | US5297399 Manually operated refrigerant recovery device |
| 03/29/1994 | US5297395 Air conditioner using rotary-type heat exchangers |
| 03/22/1994 | US5295367 For flushing impurities from the interior of an air conditioning circuit |
| 03/22/1994 | US5295360 Apparatus for identifying and distinguishing different refrigerants |
| 03/16/1994 | EP0587545A2 Device for evacuating and charging a refrigerating system |
| 03/15/1994 | US5293902 Quick-disconnect fluid coupling |
| 03/15/1994 | US5293756 Method and apparatus for recovering refrigerants from home refrigeration systems |
| 03/15/1994 | CA2040220C Refrigeration system with saturation sensor |
| 03/11/1994 | CA2106016A1 Device for evacuating and charging a refrigerating system |
| 03/09/1994 | CA2077696A1 Freon recuperation system using a heat pump |
| 03/08/1994 | US5291914 Piercing valve assembly for pliers |
| 03/08/1994 | US5291743 Refrigerant reclaim with automatic air purge |
| 03/01/1994 | US5289693 Refrigerant recovery and purification apparatus with telecommunication monitoring facilitation device |
| 03/01/1994 | US5289690 Refrigerant recycling system |
| 02/15/1994 | US5285647 Refrigerant handling system with air purge and multiple refrigerant capabilities |
| 02/02/1994 | EP0580622A1 Apparatus for servicing refrigeration systems |
| 02/01/1994 | US5282366 Transportable refrigerant transfer unit and methods of using the same |
| 01/26/1994 | CN2154443Y Automatic cold-medium injector |
| 01/11/1994 | US5277033 Refrigerant recovery system |
| 01/11/1994 | US5277032 Apparatus for recovering and recycling refrigerants |
| 01/06/1994 | WO1994000722A1 Refrigerant recovery and recycling method and apparatus |
| 01/05/1994 | CN1080388A Refrigerant recovery system |
| 01/04/1994 | US5275013 Reusable tube piercing tool for refrigerant recovery |
| 12/28/1993 | US5272882 Portable recycle/recovery/charging system with reconfigurable components |
| 12/22/1993 | EP0592449A4 Refrigerant recycling system. |
| 12/14/1993 | US5269150 Regulator for refrigerant reclaimers |
| 12/14/1993 | US5269148 Refrigerant recovery unit |
| 12/01/1993 | EP0572247A1 Refrigerant recovery system |
| 11/30/1993 | US5265440 Temperature control chamber |
| 11/29/1993 | CA2097023A1 Refrigerant recovery system |
| 11/23/1993 | US5263331 Refrigerant recovery and recycling system |
| 11/19/1993 | CA2096353A1 Refrigeration fluid recovery apparatus |
| 11/18/1993 | DE4216046A1 Removing refrigerants with low boiling point from refrigeration plant - sucking refrigerant from plant and then liquefying it using one or more compression stages and delivering to collection bottle |
| 11/16/1993 | US5261249 Refrigerant handling system with auxiliary condenser flow control |
| 11/16/1993 | CA1324310C Method and apparatus for refrigerant testing in a closed system |
| 11/10/1993 | EP0532688A4 Method and apparatus for reclaiming a refrigerant |
| 11/09/1993 | US5259211 Method for controlling the rotational speed of a motor-compressor used in an air conditioner |
| 11/09/1993 | US5259204 Refrigerant release prevention system |
| 11/02/1993 | USRE34426 Dispensing tool assembly for charging a refrigerant into a system |
| 10/26/1993 | US5255527 Method of testing the purity of refrigerant flowing through a refrigeration system |
| 10/12/1993 | CA2011379C Apparatus for evacuating flowable media from discarded refrigerators and the like |
| 10/05/1993 | US5249434 System and method for automatic charging of refrigeration systems |
| 09/30/1993 | DE4209439A1 Removal of liquid and gaseous media from absorption refrigeration system - emptying and disposing liquid and gaseous media from vessel or compound systems connected to pipes which are tapped and connected to rinsing system and collection container across connecting lines |
| 09/28/1993 | US5247812 Portable refrigerant purification module |
| 09/28/1993 | US5247804 Method and apparatus for recovering and purifying refrigerant including liquid recovery |
| 09/28/1993 | US5247803 Dual tank refrigerant recovery system |
| 09/28/1993 | US5247802 Method for recovering refrigerant |
| 09/24/1993 | CA2091849A1 Refrigerant recovery unit |
| 09/21/1993 | US5245840 Refrigerant reclaim method and apparatus |
| 09/21/1993 | US5245839 Adsorption-type refrigerant recovery apparatus |
| 09/21/1993 | US5245836 Method and device for high side pressure regulation in transcritical vapor compression cycle |
| 09/21/1993 | CA2032041C Liquid line service and process device |
| 09/21/1993 | CA2026563C Recovery system for differing refrigerants |
| 09/16/1993 | DE4207859A1 Refrigerant circuit for car air conditioning system - has tank evacuated by compressor to suck in refrigerant from cooling circuit if crash sensor triggers valve |
| 09/14/1993 | US5244010 Snap and seal coupler for refrigeration systems |
| 09/14/1993 | US5243832 Refrigerant reclaim method and apparatus |
| 09/14/1993 | US5243831 Apparatus for purification and recovery of refrigerant |
| 09/14/1993 | US5243828 Control system for compressor protection in a manually operated refrigerant recovery apparatus |
| 09/14/1993 | CA2029583C Refrigeration system thermal purge apparatus |
| 09/07/1993 | US5241834 Refrigeration fluid recovery apparatus |
| 09/07/1993 | US5241832 Automobile air conditioning system |
| 08/31/1993 | US5239837 Hydrocarbon fluid, ejector refrigeration system |
| 08/17/1993 | US5235821 Method and apparatus for refrigerant recovery |
| 08/10/1993 | US5233840 Method and apparatus for cooling refrigerant recovery system tanks and the like |
| 08/04/1993 | EP0424474B1 Method of operating a vapour compression cycle under trans- or supercritical conditions |
| 08/03/1993 | US5231843 Portable refrigerant handling apparatus and associated methods |
| 08/03/1993 | US5231842 Refrigerant handling system with liquid refrigerant and multiple refrigerant capabilities |
| 08/03/1993 | US5231841 Refrigerant charging system and control system therefor |
| 07/27/1993 | US5230224 Refrigerant recovery system |
| 07/20/1993 | CA2026348C Refrigerant purification with automatic air purge |
| 07/20/1993 | CA2012620C Refrigeration equipment service apparatus with quick-disconnect couplings |
| 07/13/1993 | US5226300 Refrigerant recycling apparatus, method and system |