| Patents for F25B 47 - Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass (3,979) |
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| 01/17/1989 | US4799094 Semiconductor, lightly doped hydrogenated amorphous silicon |
| 01/17/1989 | US4798059 Air conditioner with heat regeneration cycle |
| 01/17/1989 | US4798058 Hot gas defrost system for refrigeration systems and apparatus therefor |
| 01/17/1989 | US4798057 Refrigerating apparatus and control method thereof |
| 12/01/1988 | WO1988009466A1 Device and process for producing cold and/or heat by solid-gas reaction |
| 10/25/1988 | CA1243499A1 Defrost gas conditioner for air cooled reverse cycle defrost refrigeration system |
| 10/12/1988 | EP0285690A1 Process and apparatus for the temperature dependent defrosting of cooling plants according to demand |
| 10/04/1988 | US4774813 Air conditioner with defrosting mode |
| 09/29/1988 | DE3705320A1 Method and device for operating an absorption heat pump |
| 09/22/1988 | WO1988007162A1 System for heating and cooling liquids |
| 09/13/1988 | US4770000 Air conditioner |
| 09/06/1988 | US4768348 Apparatus for controlling a refrigerant expansion valve in a refrigeration system |
| 08/30/1988 | US4766734 Heat pump system with hot water defrost |
| 08/24/1988 | EP0279143A2 Integrated heat pump system |
| 08/09/1988 | CA1240165A1 Low-temperature showcase |
| 08/02/1988 | US4760709 Five-way valve having simultaneous defrosting and heating functions |
| 07/06/1988 | CN87105945A Operation control method for air conditioner of heat pump type |
| 06/21/1988 | US4751825 Defrost control for variable speed heat pumps |
| 06/16/1988 | WO1988004383A1 Closing and injection valve especially for hot gas defrosting in freezing and cooling installations |
| 06/15/1988 | EP0271428A2 Defrost control for variable speed heat pumps |
| 05/26/1988 | DE3638802A1 Air-conditioning system for cooling or heating the passenger compartment of vehicles |
| 05/24/1988 | CA1236988A1 Flow-through surge receiver |
| 05/10/1988 | US4742693 Absorption refrigeration and heat pump system |
| 05/10/1988 | US4742687 Dual cooling/heating process and composition |
| 05/10/1988 | CA1236313A1 Defrost control system for a refrigeration heat pump apparatus |
| 05/03/1988 | US4741171 Refrigerated display cabinet |
| 04/27/1988 | EP0265123A2 Compartmentalized transport refrigeration system |
| 04/27/1988 | EP0265121A2 Compartmentalized transport refrigeration system |
| 04/12/1988 | US4736594 Method and apparatus for controlling refrigeration systems |
| 03/24/1988 | DE3728518A1 Miniaturisierte kuehlanordnung mit elektrischem antrieb Miniaturized kuehlanordnung with electric drive |
| 03/03/1988 | DE3629440A1 Absorption system, in particular absorption heat pump |
| 03/01/1988 | US4727727 Integrated heat pump system |
| 03/01/1988 | US4727726 Refrigeration cycle apparatus |
| 02/03/1988 | CN87203198U 清洗机 Washing machine |
| 02/02/1988 | US4722388 Heat exchanger |
| 02/02/1988 | US4722193 Absorption refrigeration and heat pump system |
| 01/26/1988 | US4720980 Method of operating a transport refrigeration system |
| 01/21/1988 | DE3622805A1 Method and arrangement for operating a compression-heat pump |
| 01/19/1988 | US4719767 Absorption refrigeration and heat pump system |
| 01/19/1988 | US4719766 Defrost gas conditioner for air cooled reverse cycle defrost refrigeration system |
| 01/12/1988 | US4718250 Compact heat exchanger for refrigeration systems |
| 12/15/1987 | US4712383 Compartmentalized transport refrigeration system |
| 12/08/1987 | US4711095 Compartmentalized transport refrigeration system |
| 11/17/1987 | US4706468 Compartmentalized transport refrigeration system |
| 10/29/1987 | DE3613781A1 Heat pump |
| 10/13/1987 | US4698981 Air conditioner having a temperature dependent control device |
| 10/06/1987 | CA1227850A1 Control system and method for defrosting the outdoor coil of a heat pump |
| 09/15/1987 | US4693305 System for controlling fluid flow in a tube of a heat exchanger |
| 09/08/1987 | US4691532 Dual cooling/heating system energy recovery |
| 09/01/1987 | US4690209 Air conditioner evaporator system |
| 08/25/1987 | US4688392 Refrigeration unit including a hot gas defrosting system |
| 08/11/1987 | US4685306 Compartmentalized transport refrigeration system |
| 08/04/1987 | US4683724 Refrigeration moisture eliminating device and method |
| 07/22/1987 | EP0229410A1 Refrigeration machine |
| 07/16/1987 | DE3638875A1 Device for dehumidifying air or similar gases |
| 06/10/1987 | EP0225028A2 Apparatus for and method of removing moisture from refrigeration units |
| 05/21/1987 | DE3636254A1 Heat pump installation with thawing device |
| 04/28/1987 | US4660384 Defrost apparatus for refrigeration system and method of operating same |
| 03/10/1987 | US4648247 Low-temperature showcase |
| 03/03/1987 | US4646541 Absorption refrigeration and heat pump system |
| 03/03/1987 | US4646539 Transport refrigeration system with thermal storage sink |
| 03/03/1987 | US4646537 Hot water heating and defrost in a heat pump circuit |
| 02/24/1987 | US4644758 Refrigerated display cabinet |
| 01/07/1987 | EP0207230A2 Fast cycle water vapor cryopump |
| 12/30/1986 | CA1216045A1 Monitoring and control for evaporator |
| 12/16/1986 | US4628706 Process of defrosting an evaporator of a refrigeration system |
| 12/10/1986 | EP0203961A1 Absorption refrigeration and heat pump system. |
| 12/02/1986 | US4625524 Air-cooled heat pump type refrigerating apparatus |
| 11/11/1986 | US4621505 For a refrigeration system |
| 10/15/1986 | EP0197839A1 Method and device for heating vehicles with a reduced power requirement |
| 08/12/1986 | US4604872 Heat pump type air conditioning apparatus having a controlled variable capacity compressor |
| 08/06/1986 | EP0189710A1 Large photosensitive device and method of employing it |
| 07/29/1986 | US4602485 Refrigeration unit including a hot gas defrosting system |
| 07/01/1986 | US4597269 Plastic pan having a refrigerator support |
| 07/01/1986 | US4597267 Fast cycle water vapor cryopump |
| 06/11/1986 | EP0184200A2 Air-cooled heat pump type refrigerating apparatus |
| 05/22/1986 | WO1986002990A1 Absorption refrigeration and heat pump system |
| 05/20/1986 | US4589263 Multiple compressor oil system |
| 05/10/1986 | CN85107580A Refrigerated display cabinet |
| 05/06/1986 | US4586351 Heat pump with multiple compressors |
| 03/12/1986 | EP0174292A2 Defrosting method for evaporators of heat pump and refrigeration plants |
| 03/04/1986 | US4573326 Adaptive defrost control for heat pump system |
| 01/21/1986 | US4565070 Apparatus and method for defrosting a heat exchanger in a refrigeration circuit |
| 01/14/1986 | US4563877 Control system and method for defrosting the outdoor coil of a heat pump |
| 12/31/1985 | US4561260 Method of controlling refrigeration system for automotive air conditioner |
| 12/18/1985 | EP0164948A2 Control system and method for defrosting the outdoor coil of a heat pump |
| 11/26/1985 | US4554968 Wrapped fin heat exchanger circuiting |
| 11/21/1985 | EP0161338A1 Air-water heat pump |
| 10/29/1985 | US4549403 Method and control system for protecting an evaporator in a refrigeration system against freezeups |
| 10/16/1985 | EP0158581A2 Method and control system for protecting an evaporator in a refrigeration system against freezeups |
| 09/25/1985 | EP0155605A2 Method for defrosting and device for the implementation of said method |
| 09/24/1985 | CA1193871A1 Refrigeration system with surge receiver and saturated gas defrost |
| 09/03/1985 | US4538420 Defrost control system for a refrigeration heat pump apparatus |
| 08/20/1985 | US4535597 Fast cycle water vapor cryopump |
| 07/23/1985 | US4530219 Self-regulated energy saving refrigeration circuit |
| 07/10/1985 | EP0147825A2 Defrost control system for a refrigeration heat pump |
| 06/11/1985 | US4522037 Refrigeration system with surge receiver and saturated gas defrost |
| 06/11/1985 | US4522036 Cooling device |
| 05/28/1985 | US4519214 Air conditioner |
| 05/21/1985 | CA1187302A1 Method of operating a heat augmented heat pump system |