| Patents for F24H 4 - Fluid heaters using heat pumps (3,737) |
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| 12/23/2004 | US20040258403 Heat exchanger for high purity fluid handling systems |
| 12/16/2004 | DE10323286A1 Water heater for e.g. household, includes exhaust air heat pump which stores the heat of an exhaust air system in the fluid in a storage tank |
| 12/08/2004 | EP1484561A1 Heat pump type water heater |
| 12/08/2004 | EP1484559A1 Heat pump type water heater |
| 12/02/2004 | US20040237557 Improved water heater |
| 11/24/2004 | CN1548853A Method for utilizing fully waste water residual-heat and system thereof |
| 11/10/2004 | CN1545758A Control system for a linear vibration motor |
| 09/29/2004 | CN1168943C Supercritical refrigerating apparatus |
| 09/22/2004 | CN2643227Y 空气源热泵型热水器 Air source heat pump water heater |
| 09/22/2004 | CN1530590A Hot-pumping hot-water supplying heater |
| 09/09/2004 | DE4190137B4 Vorrichtung in thermoelektrischen Heiz/Kühleinrichtungen Device in thermoelectric heating / cooling equipment |
| 09/08/2004 | EP1454099A1 Energy efficient heat pump systems for water heating and air conditioning |
| 09/02/2004 | US20040169480 Control system for a linear vibration motor |
| 08/24/2004 | US6782195 Heat exchanger for high purity fluid handling systems |
| 08/18/2004 | EP1446615A1 Improved water heater |
| 07/01/2004 | DE4317441B4 Wärmetauscher zur Übertragung der von einer Wärmepumpe bereitgestellten thermischen Energie Heat exchanger to transfer the thermal energy provided by a heat pump |
| 05/06/2004 | WO2004038304A1 Heat pump system |
| 05/04/2004 | US6729151 Heat pump fluid heating system |
| 04/21/2004 | EP1409935A1 Heat pump fluid heating system |
| 04/15/2004 | US20040069006 Integrated thermosyphon refrigerant heat recovery system and hot water heater |
| 04/01/2004 | DE10243170A1 Heat pump for building heating installation has integral condenser and volume of boiler in contact with heat exchanger kept within set heating range |
| 03/31/2004 | CN1144005C Heat pump fluid heating system |
| 03/11/2004 | DE10253650B3 Heat pump energy storage method using drinking water reservoir has 3-way valve between heat pump and heat exchangers controlled to maintain constant drop in circulation temperature |
| 02/24/2004 | US6694739 Modular water heater |
| 02/04/2004 | CN1472483A Energy-saving instant heat hot-pump shower |
| 01/22/2004 | WO2004008626A1 Control system for a linear vibration motor |
| 01/22/2004 | WO2004008047A1 An air conditioning type hot water boiler |
| 01/13/2004 | US6675608 Absorption cold or hot water generating machine |
| 01/02/2004 | EP1376025A1 Heating apparatus and method for space heating and/or sanitary water heating |
| 12/03/2003 | CN2589884Y Automatic controlled cycling type vacuum pot electric heating boiler |
| 10/22/2003 | CN1125299C Directly expanding solar heat-pump water heater |
| 10/09/2003 | US20030188539 Heat exchanger for high purity fluid handling systems |
| 09/24/2003 | CN1122161C Heat pump type water heater with cooler and energy regulator |
| 08/27/2003 | CN2569024Y Thermotube heat pump type water heater |
| 08/07/2003 | WO2003064942A1 Heat pump type water heater |
| 08/07/2003 | WO2003064935A1 Heat pump type water heater |
| 08/05/2003 | US6601773 Heat pump type hot water supply apparatus |
| 07/10/2003 | US20030127213 Heat exchanging device having heat exchanging housing |
| 06/19/2003 | WO2003050457A1 Energy efficient heat pump systems for water heating and air conditioning |
| 06/19/2003 | CA2467058A1 Energy efficient heat pump systems for water heating and air conditioning |
| 05/30/2003 | WO2003044437A1 Heat-pump type hot water generator |
| 05/14/2003 | CN1417527A 改进的水加热器 Improved water heater |
| 05/08/2003 | WO2003038342A1 Improved water heater |
| 05/01/2003 | WO2003036178A1 Improved heat pump water heater |
| 04/17/2003 | US20030070430 Modular water heater |
| 04/16/2003 | CN2545532Y Water heating type exhaust gas energy-saving heat exchanger |
| 04/09/2003 | CN2544220Y Air conditioning type water-heating boiler |
| 03/26/2003 | CN1405519A Heat-pump type hot-water supplying device |
| 03/19/2003 | CN1403769A Supercritical refrigerating apparatus |
| 02/12/2003 | CN1396423A Absorption-type cold-hot water dispenser |
| 01/21/2003 | US6508073 Hot water supply system with heat pump cycle |
| 01/16/2003 | US20030010049 Absorption cold or hot water generating machine |
| 01/15/2003 | EP1275915A2 Absorption cold or hot water generating machine |
| 12/25/2002 | CN2527917Y Safety heat pump water heater |
| 12/18/2002 | CN2526752Y High-temp heat pump refrigerator set |
| 12/17/2002 | US6494051 Hot water supply system |
| 12/11/2002 | CN2525425Y Supersonic direct heating type heater |
| 10/23/2002 | CN1376253A Heat pump fluid heating system |
| 10/22/2002 | US6467289 Hot-water supply system with heat pump cycle |
| 10/16/2002 | CN1374489A Electrically heating oil warmer |
| 10/09/2002 | CN1373330A Heat pump type water heater with cooler and energy regulator |
| 08/28/2002 | EP1235040A2 Heat pump type hot water supply apparatus |
| 08/22/2002 | US20020113133 Heat pump type hot water supply apparatus |
| 08/13/2002 | US6430949 Heat-pump water heater |
| 08/07/2002 | CN2504553Y Circulating wate rheater oif steaming bath-shower |
| 07/24/2002 | CN2502181Y Dual-purpose device of air conditioner and heat pump type water heater |
| 07/18/2002 | DE10065216A1 Device for regulating a central ventilating domestic device with a heating pump controls the heating of a heating circuit and a domestic water storage tank with a possible supplementary solar collector |
| 07/16/2002 | US6418737 Heat pump type hot-water supply system capable of performing defrosting operation |
| 04/24/2002 | CN2488004Y Heat pump type water heater with cooler and energy regulator |
| 04/16/2002 | US6370896 Hot water supply system |
| 03/20/2002 | CN1081319C Separated heat supply means for direct combustion lithium bromide cold and hot water machine |
| 03/06/2002 | EP1184629A2 Closed loop heating device |
| 02/27/2002 | CN1337556A Directly expanding solar heat-pump water heater |
| 02/07/2002 | US20020014085 Hot water supply system |
| 01/10/2002 | US20020002834 Hot-water supply system with heat pump cycle |
| 12/26/2001 | CN2467963Y Electric heating oil warmer |
| 12/12/2001 | EP1162419A1 Hot-water supply system with heat pump cycle |
| 12/06/2001 | US20010048031 Heat-pump water heater |
| 11/29/2001 | US20010045102 Hot water supply system with heat pump cycle |
| 10/25/2001 | US20010032475 Non-stratified heat pump water heater and method of making |
| 10/24/2001 | EP1148307A2 Heat-pump water heater |
| 10/24/2001 | EP1148306A2 Hot water supply system with heat pump cycle |
| 10/11/2001 | DE10014787A1 Water heating and heat recovery system comprises mini heat pump with low difference high system element including Peltier element and heat pipe |
| 07/24/2001 | US6263964 Heat exchanging apparatus of refrigeration system |
| 07/19/2001 | DE10001505A1 Heat-pump heating center, with heat pump, flange can and vertical heat exchanger forming single unit |
| 06/13/2001 | DE10059134A1 Water heater; has heat exchanger to heat water for storage tank and circulation passage to circulate water from top to bottom of tank after it has passed through heat exchanger |
| 05/22/2001 | US6233958 Heat pump water heater and method of making the same |
| 04/10/2001 | US6213199 Temperature selectable water supply device |
| 04/05/2001 | DE10043169A1 Heat pump hot water supply system for defrosting process has greater degree of opening of pressure reducer in defrost mode than in normal mode; control unit stops pump in defrost mode |
| 03/29/2001 | WO2001022011A1 Heat pump fluid heating system |
| 03/29/2001 | WO2001022007A1 A multi-purpose heat source for the heating system of a building |
| 03/22/2001 | WO2001020232A1 Improved heat pump water heater and method of making the same |
| 02/07/2001 | EP1073866A1 Method for treating a moist gas stream |
| 01/18/2001 | DE19925827C1 Anlage mit einer Wärmepumpe und einem Speicher System with a heat pump and a storage |
| 12/14/2000 | DE10027666A1 Appliance for heating domestic hot water and thermal transfer medium for central heating with heat pump temperature output restricted to value adequate for domestic hot water |
| 09/12/2000 | US6116047 Double effect absorbtion cold or hot water generating machine |
| 08/23/2000 | EP1029205A1 Heat exchanger for water heater using heat pump |
| 08/16/2000 | CN2392128Y Hot pump type means for refrigeration and water heating |
| 07/12/2000 | CN2387459Y Scale-less hot water boiler using fuel oil and gas |
| 07/12/2000 | CN1259644A Heat pump type safety water heater |