| Patents for F25B 45 - Arrangements for charging or discharging refrigerant (2,920) |
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| 06/02/1992 | US5117645 Refrigeration system with saturation sensor |
| 06/02/1992 | US5117641 Refrigerant recovery system with flush mode |
| 05/29/1992 | WO1992008535A1 Fluid purifier and method for removing chlorofluorocarbons from contaminated fluid |
| 05/26/1992 | US5115645 Heat exchanger for refrigerant recovery system |
| 05/26/1992 | CA1301466C Dispensing tool assembly for charging a refrigerant into a system |
| 05/20/1992 | EP0485873A1 Apparatus for recovering and purifying refrigerant |
| 04/22/1992 | EP0480972A1 Method and apparatus for recovery of volatile liquids such as refrigerants |
| 04/15/1992 | EP0480330A2 Refrigeration apparatus with modulator |
| 04/15/1992 | EP0480220A1 Control armature inserted in the flow route of a system for transferring pressure media in a gaseous and/or liquid media |
| 04/09/1992 | DE4110064C1 Appts. for recovery of halo-hydrocarbon(s) from fire extinguishers - comprising vacuum pump connected to feed gas via compressor to condenser |
| 04/09/1992 | CA2051946A1 Control manifold inserted in the flow route of a system for transferring pressure media in a gaseous and/or liquid gaseous state |
| 04/08/1992 | EP0479581A1 Apparatus for passive refrigerant retrieval and storage |
| 04/07/1992 | US5101641 Compact refrigerant reclaim apparatus |
| 04/07/1992 | US5101637 Refrigerant recovery device |
| 04/06/1992 | CA2052341A1 Method and apparatus for passive refrigerant retrieval and storage |
| 03/31/1992 | US5099653 Apparatus for purification and recovery of refrigrant |
| 03/24/1992 | US5097667 Apparatus and a method for emptying and recharging a refrigeration system |
| 03/17/1992 | US5095713 Refrigerant handling system and method with multiple refrigerant capability |
| 03/14/1992 | CA2025253A1 Refrigerant recovery and recharging device |
| 03/10/1992 | US5094277 Direct condensation refrigerant recovery and restoration system |
| 03/10/1992 | US5094087 Apparatus for recovery of liquids such as refrigerants |
| 03/10/1992 | CA1296913C Refrigerant recovery device |
| 03/04/1992 | EP0472854A1 Refrigerant recovery system |
| 02/25/1992 | US5090215 Apparatus for the disposal of cooling agent of absorption-type refrigerating systems |
| 02/25/1992 | US5090212 Cutoff switch for refrigerant container |
| 02/25/1992 | US5090211 Refrigerant recovery and recycling system |
| 02/20/1992 | WO1992002771A1 Refrigerant recovery and processing apparatus and methods |
| 02/18/1992 | US5088291 Apparatus for passive refrigerant retrieval and storage |
| 02/12/1992 | CN2096030U Portable reparing apparatus for refrigerator |
| 02/11/1992 | US5086630 Refrigerant reclaim apparatus |
| 02/06/1992 | DE4123988A1 Coolant cleaning and recycling equipment - pumps coolant out of system for cleaning and which evacuates system for recharging |
| 01/16/1992 | DE4021254A1 Cooling medium removal device for refrigeration appts. - uses vacuum stage for separation of cooling medium and compressor oil |
| 01/15/1992 | EP0421999A4 Refrigerant recovery system |
| 01/14/1992 | US5080132 Refrigeration equipment service apparatus with quick-disconnect couplings |
| 01/08/1992 | CN2092723U Quick-connected inflatable air gun |
| 01/07/1992 | US5078756 Apparatus and method for purification and recovery of refrigerant |
| 01/07/1992 | US5077984 Refrigerant handling unit |
| 12/31/1991 | US5076063 Refrigerant processing and charging system |
| 12/21/1991 | CA2042531A1 High efficiency purge system |
| 12/17/1991 | US5072594 Method and apparatus for passive refrigerant retrieval and storage |
| 12/17/1991 | US5072593 Refrigerant reclaim method and apparatus |
| 12/12/1991 | WO1991019141A1 Method and apparatus for reclaiming a refrigerant |
| 12/12/1991 | DE4018585A1 Refrigerator for air conditioning system of motor vehicle - has valve to shut off liquid receiver from refrigerating circuit |
| 12/10/1991 | US5071768 Sample tube; removal of entrained oil and water contamination; color indicators for impurities; refrigeration and air conditioning systems |
| 12/10/1991 | US5070917 Pressurized fluid-drivable device for injecting a treatment liquid stored therein into a tire or other enclosed space |
| 12/10/1991 | US5070705 Refrigeration cycle |
| 11/26/1991 | US5067514 Apparatus for tapping a fluid through a wall |
| 11/26/1991 | US5067327 Refrigerant recovery and recharging device |
| 11/26/1991 | US5067325 Method and arrangement for pumping refrigerants |
| 11/12/1991 | US5063749 Refrigerant handling system with air purge and multiple refrigerant capabilities |
| 11/05/1991 | US5062779 Outlet valve for a rolling piston rotary compressor |
| 11/05/1991 | US5062275 Automotive air conditioner |
| 10/24/1991 | CA2015284A1 Refrigerant recovery system |
| 10/23/1991 | EP0452534A2 Plant for the recycling of oil and fluorocarbons from discarded refrigerators |
| 10/22/1991 | US5058631 Flexible gas salvage containers and process for use |
| 10/16/1991 | EP0452026A2 Multiple cooling medium recovery apparatus |
| 10/02/1991 | CN2085937U Automatic vacuum-pumping device for refrigerator |
| 09/24/1991 | US5050401 Compact refrigerant reclaim apparatus |
| 09/24/1991 | US5050393 Refrigeration system with saturation sensor |
| 09/24/1991 | US5050388 Reclaiming of refrigerant fluids to make same suitable for reuse |
| 09/24/1991 | CA1289372C Refrigeration valve |
| 09/19/1991 | WO1991014142A1 An apparatus for collecting a volatile condensate and for separating non-condensible gas therefrom |
| 09/10/1991 | US5046322 Electronic refrigerant transfer scale |
| 09/10/1991 | US5046320 Liquid refrigerant transfer method and system |
| 09/03/1991 | US5044279 Connector for a bomb and a method for sucking liquid in a bomb |
| 08/28/1991 | EP0443695A2 Refrigerant purification apparatus |
| 08/27/1991 | US5042271 Refrigerant handling system with compressor oil separation |
| 08/21/1991 | WO1991013290A1 Emissionless furnace boiler system |
| 08/21/1991 | CA2076373A1 Emissionless furnace boiler system |
| 08/20/1991 | US5040382 Refrigerant recovery system |
| 08/13/1991 | US5038578 Refrigerant recovery and purification system |
| 08/13/1991 | CA1287552C Control manifold inserted in the flow route of a system for transferring pressure media in a gaseous and/or liquid gaseous state |
| 08/07/1991 | EP0440316A2 Refrigerant recovery and purification system |
| 08/06/1991 | US5036675 Refrigeration cleaning and flushing system |
| 07/23/1991 | US5033271 Refrigerant recovery and purification system |
| 07/17/1991 | EP0437021A1 Refrigerant purification with automatic air purge |
| 07/16/1991 | US5031414 Apparatus for evacuating flowable media from discarded refrigerators and the like |
| 07/16/1991 | US5031410 Refrigeration system thermal purge apparatus |
| 07/11/1991 | DE4000172A1 Drilling tool for removal of fluids from containers - gas cylindrical housing acting as exhaust chamber and fitted with valve and provide gas-tight seal |
| 07/02/1991 | US5027720 Emissionless furnace boiler system |
| 07/02/1991 | US5027605 Oil injection system for air conditioning equipment |
| 06/25/1991 | US5025633 CFC recycling system |
| 06/19/1991 | EP0433211A2 Apparatus for refrigerant testing in a closed system |
| 06/18/1991 | US5024061 Refrigerant |
| 06/13/1991 | WO1991009260A1 Recovery processing and storage unit |
| 06/13/1991 | CA2071632A1 Recovery processing and storage unit |
| 06/12/1991 | EP0431335A2 Refrigerant discharging device for absorption refrigeration systems |
| 06/11/1991 | US5022230 Method and apparatus for reclaiming a refrigerant |
| 06/05/1991 | EP0429904A1 Device for piercing a line |
| 06/04/1991 | US5020331 Refrigerant reclamation system |
| 05/28/1991 | US5018361 Method and apparatus for disposal and reprocessing of environmentally hazardous substances from refrigeration systems |
| 05/22/1991 | CN1051617A Connector for bomb and method for sucking liquid in bomb |
| 05/16/1991 | WO1991006478A1 Collecting containers for collecting refrigerants vented from heat exchange systems and methods |
| 05/02/1991 | EP0424474A1 Method of operating a vapour compression cycle under trans- or supercritical conditions. |
| 04/30/1991 | US5010743 Test fitting adapter for refrigerant lines |
| 04/17/1991 | EP0421999A1 Refrigerant recovery system |
| 04/09/1991 | US5005375 Refrigeration equipment service apparatus with quick-disconnect couplings |
| 04/09/1991 | US5005369 Refrigerant purification with automatic air purge |
| 03/29/1991 | CA2026370A1 Method and apparatus for recovering refrigerants from home refrigeration systems |
| 03/27/1991 | EP0418946A1 An apparatus for tapping a fluid through a wall |