| Patents for F24D 17 - Domestic hot-water supply systems (3,522) |
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| 09/03/2003 | EP1340012A1 A method of reducing growth of bacteria in a water mixer valve and a mixer valve for using the method |
| 09/03/2003 | CN1439850A Liquid heating systmes |
| 08/21/2003 | WO2003069238A1 Heating system for liquids |
| 08/21/2003 | WO2003069236A1 Heat pump water heater |
| 08/21/2003 | US20030155430 Heating system for liquids |
| 08/21/2003 | DE20307395U1 Modified hot water supply for hot water system, comprises a pressure difference measuring- and regulating unit which consists of a pressure switch, and has adjustable timer after the circulation pump |
| 08/20/2003 | EP0904515B1 Apparatus for recovering and saving chilled water in hot water lines having adjustable thermostatic control |
| 08/12/2003 | US6604376 Heat pump using treated water effluent |
| 08/11/2003 | CA2371585A1 Eco tank |
| 07/29/2003 | US6598616 Tapping point and supply water network comprising such tapping point |
| 07/24/2003 | DE10213612C1 Keeping reduced pressure drinking- or service water systems clean, further reduces pressure and monitors for sharp drop, on which pressure is increased |
| 07/23/2003 | EP1329671A2 Recirculation system for domestic hot water system |
| 07/15/2003 | US6591846 Wrap around booster |
| 07/10/2003 | DE20301999U1 Device to prevent germ build up in water taps and shower heads has electrical heating arrangement at the water outlet |
| 07/08/2003 | US6588377 Process and apparatus for recycling water in a hot water supply system |
| 07/03/2003 | DE20302499U1 Control unit for pump system for warm water system in buildings has return valve whose inside flap opens when water flows through and acts onto sensor provided at outside |
| 06/18/2003 | DE10156224C1 Thermal disinfection device for sanitary fixture has disinfecting-water supply device and temperature sensor integrated in fixture |
| 06/04/2003 | CN1110629C Heat and electric power co-generator |
| 05/22/2003 | WO2003042606A1 Heat pump type hot water supply device |
| 05/15/2003 | US20030089399 Smart demand hot water system |
| 05/14/2003 | EP1310602A2 System for the re-use of grey water |
| 05/14/2003 | CN1108499C Apparatus for recovering and saving chilled water in hot water lines having adjustable thermostatic control |
| 05/09/2003 | CA2409890A1 Smart demand hot water system |
| 05/08/2003 | DE20300715U1 Method for providing bacteria free warm drinking water has a double circulation system with a storage tank and a buffer tank |
| 04/10/2003 | WO2003029721A1 Fluid delivery system |
| 04/10/2003 | WO2003010469A8 Unit and method for supply of users with heat energy or chilling energy |
| 04/02/2003 | EP1298395A2 Heat pump type hot water supply system |
| 03/27/2003 | DE20217305U1 Drinking water heating system maintains flow of disinfected water during periods of nil discharge |
| 03/12/2003 | EP1289572A1 A device and method for minimizing pathogens in heated water |
| 02/26/2003 | EP1285201A1 Method and unit for controlling the bacterial conditions in water systems |
| 02/12/2003 | CN1396419A Water heating system |
| 02/06/2003 | WO2003010469A1 Unit and method for supply of users with heat energy or chilling energy |
| 02/06/2003 | WO2003010453A1 Tapping point and supply water network comprising such tapping point |
| 02/05/2003 | EP1281918A2 Installation for making warm water with a warm water accumulator |
| 02/05/2003 | CN1100973C Solar thermal storage apparatus and hot water supply system including same |
| 01/30/2003 | US20030019530 Tapping point and supply water network comprising such tapping point |
| 01/29/2003 | EP0981784B1 Water control device |
| 01/22/2003 | CN2532399Y Solar and electric energy combined heat-collection and supply equipment |
| 01/21/2003 | US6508073 Hot water supply system with heat pump cycle |
| 01/09/2003 | WO2003002915A1 Arrangement in a heating or cooling system |
| 01/09/2003 | WO2002012125A3 Thermal water treatment |
| 01/02/2003 | EP1271068A2 A method of heating domestic water in a water heater |
| 12/19/2002 | DE19941285C2 Doppelrohrsystem als Rohr im Rohr zum Erstellen von Verteil- und Zirkulationssystemen für Trinkwasser in Verbindung mit Trinkwassererwärmungsanlagen Double pipe system as a tube within a tube to create distribution and circulation systems for drinking water associated with drinking water heating systems |
| 12/18/2002 | EP1266161A1 A method and a device for reducing growth of bacteria in a water-mixer with an appertaining pipeline |
| 12/18/2002 | CN1096533C Warm-water washing apparatus |
| 11/28/2002 | US20020174973 Method and system for pre-heating water |
| 11/14/2002 | DE10122475A1 Improving circulation in drinking water heating systems involves circulating in distribution network and charging hot water storage device using common circulation pump for both processes |
| 11/07/2002 | US20020162650 Drainwater heat exchanger |
| 10/24/2002 | DE10118343A1 Heizungsanlage Heating system |
| 10/16/2002 | EP1249666A2 Heating system |
| 10/03/2002 | US20020139420 Warm drinking water conduit system |
| 09/26/2002 | WO2002075219A1 System for providing sanitary water which is devoid of active pathogenic germs, especially for a shower |
| 09/24/2002 | US6453938 Warm drinking water conduit system |
| 09/12/2002 | DE10109394A1 Pre-heater for cold drinking water comprises heat exchanger, drainage water-pipe. primary and secondary sides, mixer battery and feed pipe. |
| 08/29/2002 | US20020117122 Gas water heater |
| 08/14/2002 | EP1230520A1 Draw-off conduit for hot-water |
| 08/14/2002 | DE10106106A1 Anordnung und Verfahren zur bedarfsweisen Aktivierung eines Warmwasserkreislaufes Apparatus and method for demand-wise activation of a hot water cycle |
| 08/14/2002 | DE10059255C1 Trinkwasserversorgungsanlage Drinking water supply |
| 08/08/2002 | DE10145742A1 Verfahren zur Energieeinsparung durch Vorerwärmung von Kaltwasser zur Warmwasseraufbereitung Method to save energy by preheating of cold water for hot water |
| 08/01/2002 | US20020100813 Heat supply system |
| 08/01/2002 | DE10103366A1 Energieeinsparendes Duschaggregat Energy Conservation end shower unit |
| 07/31/2002 | EP1226391A1 Method and distributing device for establishing recirculation in water installations |
| 07/24/2002 | CN2502177Y Energy-storage type heat pump water supply device for hot water boiler |
| 07/18/2002 | DE10063803A1 Einrichtung für die Bereitstellung von Warmwasser in einer sanitären Installation Means for providing hot water in a sanitary installation |
| 07/09/2002 | US6415986 Heat supply system |
| 06/26/2002 | EP1217311A2 Installation for preparing warm water in a sanitary installation |
| 06/20/2002 | DE10062097A1 Legionella destructor and biofilm remover for recirculating hot water systems, introduces ozone gas into water flow ahead of extraction points |
| 06/20/2002 | DE10061971A1 Method for controlling the circulation pump of a domestic hot water supply system has temperature sensors in the flow and return pipes and a computer |
| 06/19/2002 | EP0904515A4 Apparatus for recovering and saving chilled water in hot water lines having adjustable thermostatic control |
| 06/18/2002 | US6405551 Heating apparatus having refrigeration cycle |
| 06/05/2002 | CN1352370A 即热式热泵热水器 Tankless water heaters heat pump |
| 05/29/2002 | DE10058273A1 Ventilator comprises heat pump unit, service and drinking water accumulator, heating water accumulator, electric heater, heat exchanger, closeable connections. |
| 05/29/2002 | DE10056715A1 Valve for system for thermal disinfection of drinking water, for combating Legionella, is mounted in cup-shaped sleeve above valve seat |
| 05/23/2002 | WO2002040906A1 A method of reducing growth of bacteria in a water mixer valve and a mixer valve for using the method |
| 05/15/2002 | EP1204358A1 Shower floor grating having flow preheating |
| 05/08/2002 | DE10132238A1 Warmwasseranlage mit einem Warmwasserspeicher Hot water system with a hot water tank |
| 05/08/2002 | DE10055117A1 Ball cock with co-axial water guide has circulation line and return line for standby built into standard fittings and valves |
| 05/08/2002 | DE10054822A1 Press fitting comprises coaxial pipes with conventional press collars at their ends, inner pipe carrying hot water and outer central heating water |
| 05/08/2002 | CN1084461C System for supplying heat energy to consumers and apparatus thereof |
| 05/02/2002 | US20020050478 Thermal water treatment |
| 05/02/2002 | DE10052097A1 Central drinking water warming system has a circulation pump drawing water from the top of the heating tank |
| 04/11/2002 | DE10048912A1 Frischwasserkaskade mit Wärmetauschern Fresh water cascade with heat exchangers |
| 04/10/2002 | EP1195561A2 Cascade with once-through heat exchangers for sanitary- or fresh water heating |
| 03/27/2002 | CN1341834A Hot pump type air-conditioning water-heater |
| 03/19/2002 | US6357245 Apparatus for making hot-water by air conditioner/heater |
| 03/14/2002 | DE10134730A1 Operating method for solar system has condenser assembly for receiving heated medium if outside temperatures are high |
| 02/28/2002 | DE19932436C2 Trinkwarmwasserleitungsanlage Domestic hot water line system |
| 02/14/2002 | WO2002012125A2 Thermal water treatment |
| 02/14/2002 | CA2418019A1 Thermal water treatment |
| 02/05/2002 | US6343389 Water outlets for an ablutionary device or appliance |
| 01/31/2002 | DE10035184A1 Circulation connection appliance for central heating hooks up feed and circulation connection in fitted tee piece with fitted pump and heater and water meter. |
| 01/24/2002 | DE10032714A1 Anordnung und Verfahren zur Bereitstellung von warmem Brauchwasser Apparatus and method for providing domestic hot water |
| 01/23/2002 | EP1174664A2 Process for operating a solar system and solar system |
| 01/16/2002 | EP1172615A2 Hot water installation with a hot water accumulator |
| 01/10/2002 | DE10118250A1 Device for automatic hot water circulation in buildings with hot water tank supplied by main hot water line has arrangement of circulation pump, connecting lines, valves and flow sensor |
| 01/09/2002 | EP1170554A2 System and method for preparing hot sanitary water |
| 01/03/2002 | DE10034683C1 Solar unit, for heating water, has solar collector with absorber and heat accumulator with integral heat exchanger, with heat transfer medium for conductive heat transfer |
| 12/27/2001 | WO2001098714A1 Heat recovery device incorporated in a drain siphon |
| 12/20/2001 | WO2001095949A1 A device and method for minimizing pathogens in heated water |
| 12/19/2001 | CN2466569Y Double circulation antifrosting solar water heating device for multistoried dwelling and office |