| Patents for F25B 29 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously (6,502) |
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| 07/14/1993 | CN2138277Y Semiconductor cooling and heating apparatus |
| 07/13/1993 | US5227027 Liquid refrigerant accumulation, expansion, vaporization, compression, condensation, returning; feed water supplying, preheating, conveying in water evaporator, heating, blow down purification, condensation in water condenser |
| 06/23/1993 | EP0203961B1 Absorption refrigeration and heat pump system |
| 06/22/1993 | US5220807 Combined refrigerator water heater |
| 06/16/1993 | CN2136435Y Heating and refrigerating apparatus using in pcr reaction |
| 06/15/1993 | US5218844 Absorption heat pump apparatus with indoor and outdoor heat exchangers |
| 05/27/1993 | WO1993010411A1 Method and apparatus for latent heat extraction |
| 05/18/1993 | US5211023 Apparatus and method for heating and cooling with a refrigerant |
| 05/11/1993 | US5209071 Immediate heat upgrading air conditioning system and associated cool thermal storage |
| 04/29/1993 | DE4134749A1 Solar energy plant - comprises solar collector, solid material accumulator and heat pump, used for air heating with possible copper@ tube heating circuit for garden shower |
| 04/14/1993 | EP0536372A1 Surface heating/air conditioning system |
| 03/23/1993 | US5195850 Apparatus and method for transporting buoyant particulate matter such as ice to a submerged location in a fluid |
| 03/23/1993 | US5195328 Apparatus and method for heating a space with waste heat |
| 03/18/1993 | WO1993005349A1 Dual-temperature heat pump apparatus and system |
| 03/16/1993 | US5193353 High capacity hot gas heating system for transport refrigeration system |
| 01/26/1993 | US5181552 Method and apparatus for latent heat extraction |
| 01/26/1993 | US5181392 Air conditioner and heat exchanger used therein |
| 01/12/1993 | US5177979 Method and apparatus for the absorption-cooling of a fluid |
| 01/12/1993 | US5177969 Thermochemical actuation method and apparatus |
| 12/29/1992 | US5174129 Absorption heat pump |
| 12/16/1992 | EP0518833A1 Heat pump for heating or refrigerating buildings and delivering in combination hot water for sanitary fixtures |
| 12/08/1992 | US5168713 Method of operating a compartmentalized transport refrigeration system |
| 11/12/1992 | WO1992019919A1 Surface heating/air conditioning system |
| 11/03/1992 | US5159817 Refrigerant path apparatus |
| 10/28/1992 | CN2120305U Refrigerator with two purpose of refrigeration and heating |
| 10/09/1992 | WO1992017703A1 High force thermochemical actuator |
| 09/23/1992 | EP0504455A1 Electrical heat pump and condensing module therefor |
| 09/09/1992 | CN1064347A Transport refrigeration system having means for enhancing capacity of heating cycle |
| 08/22/1992 | CA2061562A1 Transport refrigeration system having means for enhancing the capacity of a heating cycle |
| 05/20/1992 | CN2105024U Cold or hot storing case for train |
| 05/19/1992 | CA1301286C Thermostat |
| 05/19/1992 | CA1300901C Method and apparatus for the utilization of the heat of melting of water |
| 05/06/1992 | EP0483161A1 Refrigeration and freezing plant. |
| 04/28/1992 | US5108475 Solvent recovery system with means for reducing input energy |
| 04/28/1992 | US5107686 Compartmentalized transport refrigeration system |
| 04/28/1992 | US5107684 Air conditioner and operating method thereof |
| 04/01/1992 | EP0341241A4 Hypobaric storage of respiring plant matter without supplementary humidification |
| 03/25/1992 | CN2099518U Ice, warm, hot, boiling water device |
| 03/11/1992 | CN1059399A Apparatus and method for heating and cooling with refrigerant |
| 03/04/1992 | EP0473286A2 An apparatus and method for heating and cooling with a refrigerant |
| 03/01/1992 | CA2047915A1 Apparatus and method for heating and cooling with a refrigerant |
| 02/18/1992 | US5088296 Air conditioner system with refrigerant condition detection for refrigerant recovering operation |
| 02/12/1992 | EP0470432A1 Absorption apparatus for cooling a fluid |
| 02/11/1992 | US5086624 Cooling and heating concurrent operation type of multiple refrigeration cycle |
| 02/04/1992 | CA1295140C Absorption heat and cold production process using a combination of components as woeking fluid |
| 02/04/1992 | CA1295129C Air conditioning system for buildings |
| 01/29/1992 | EP0468038A1 Absorption refrigeration and heat pump system with defrost |
| 01/15/1992 | EP0465592A1 Double effect air conditioning system |
| 01/08/1992 | CN2092722U Cooling, heating and temp. preserving box |
| 12/24/1991 | CA1293551C Method and system for controlling a single zone hvac supplying multiple zones |
| 12/18/1991 | CN1057104A Method for producing heatable and refrigerable element for system handling small quantities of liquid, and element manufactured by method |
| 11/27/1991 | CN1056565A Method and device for cool thermal storage and/or water purification |
| 11/14/1991 | WO1991017392A1 Methods and apparatuses for providing cool thermal storage and/or water purification |
| 11/13/1991 | EP0316391B1 Process for producing cold by solid-gas reaction |
| 11/13/1991 | CN2088673U Semiconductor refrigerating/heating two-purpose box |
| 11/12/1991 | US5063752 Air conditioning apparatus |
| 11/06/1991 | EP0404805A4 Apparatus and method for simultaneously heating and cooling separate zones |
| 10/22/1991 | US5059228 Cool thermal storage and/or water purification by direct contact in-situ crystal formation and crystal melting operations |
| 10/16/1991 | EP0451325A2 Plant for processing cold water and brine |
| 10/15/1991 | US5056324 Transport refrigeration system having means for enhancing the capacity of a heating cycle |
| 10/13/1991 | CA2040323A1 Refrigerating plant |
| 09/18/1991 | CN1013991B Modular refrigeration system |
| 09/17/1991 | CA1288961C Integrated heat pump system |
| 09/11/1991 | EP0445368A2 Cooling and heating concurrent operation type of multiple refrigeration cycle |
| 09/10/1991 | CA1288606C Heat pump system with hot water device |
| 08/22/1991 | WO1991012470A1 Absorption refrigeration and heat pump system with defrost |
| 08/20/1991 | US5040376 Air-conditioning apparatus having indoor units connected to one outdoor unit via one branch unit |
| 08/14/1991 | CN2082839U Heating and refrigerating device |
| 08/03/1991 | CA2021876A1 Method for the thermal separation of liquid mixtures |
| 07/31/1991 | CN2081954U Refrigerating and heating unit |
| 07/10/1991 | CN1052939A 空气调节装置 Air conditioning apparatus |
| 07/02/1991 | US5027616 Air-cooled absorption type cooling and heating apparatus |
| 06/20/1991 | DE3153687C2 Bakery air conditioning equipment |
| 06/18/1991 | CA1284892C Triple integrated heat pump circuit |
| 06/12/1991 | EP0431760A2 A method for air conditioning and supplying hot/cold water |
| 06/12/1991 | CN1012838B Thermodynamic engineering equipments working in gu's thermodynamic cycle mode |
| 06/05/1991 | CN1051971A Method for air conditioning and supplying hot/cold water |
| 05/29/1991 | DE3938875A1 Mobile air conditioner stores energy in phase-change - medium for subsequent usage in heating water supply |
| 05/28/1991 | US5018367 Cooling energy generator with cooling energy accumulator |
| 05/25/1991 | CA2029445A1 Method for air conditioning and supplying hot/cold water |
| 04/23/1991 | US5009086 Passive refrigeration fluids condition |
| 04/23/1991 | US5009078 Multi-system air conditioning machine |
| 04/23/1991 | US5009077 Multi-system air conditioner |
| 04/10/1991 | EP0421459A2 Air conditioning apparatus |
| 04/09/1991 | US5006060 Gas resonance device |
| 04/09/1991 | US5005371 Adsorption thermal storage apparatus and adsorption thermal storage system including the same |
| 04/09/1991 | CA1282604C Heat pump system and a method of operating same |
| 03/27/1991 | CN1012195B 气体谐振装置 A gas resonance device |
| 03/20/1991 | EP0181375B1 Heat pump energized by low-grade heat source |
| 03/13/1991 | EP0190167B1 Modular refrigeration system |
| 02/26/1991 | CA1280599C Modular refrigeration system |
| 01/17/1991 | DE4003120C1 Liq. mixture thermal separation method - heating re-concentrating solvent stream and mixture stream before combining at end for supply |
| 01/02/1991 | EP0404805A1 Apparatus and method for simultaneously heating and cooling separate zones |
| 01/02/1991 | CN2068666U Cold/hot type refrigerator |
| 12/12/1990 | EP0203961A4 Absorption refrigeration and heat pump system |
| 12/11/1990 | US4976117 Device and process for producing cold and/or heat by solid-gas reaction |
| 12/04/1990 | US4974419 Apparatus and method for simultaneously heating and cooling separate zones |
| 11/29/1990 | WO1990014566A1 Refrigeration and freezing plant |
| 11/27/1990 | US4972679 Absorption refrigeration and heat pump system with defrost |
| 11/20/1990 | CA1276475C Ice making machine (mark i & mark ii) |