Patents for F24D 17 - Domestic hot-water supply systems (3,522)
07/1987
07/14/1987US4680446 Supplemental electric water heater unit for compensating cooling of a hot water supply line
07/02/1987DE3545423A1 Discharge-line portion with a heat exchanger
06/1987
06/19/1987DE3543654A1 Temperature-control device for a service water piping network
06/09/1987US4671253 Pre-heater for water heater
05/1987
05/27/1987EP0222776A1 Solar anti-reverse siphon system
05/21/1987WO1987003072A1 Heat pump
05/21/1987DE3542374A1 Water pipe for hot service water
05/19/1987US4665712 Heat pump water heater system
05/12/1987US4664793 Pure water manufacturing apparatus
05/07/1987DE3633321A1 Shower installation for utilising heat from waste water
04/1987
04/29/1987EP0219566A1 Means for heating of domestic hot-water by solar energy
04/21/1987US4658760 Pressure transfer fluid heater
04/02/1987DE3534304A1 Gas/liquid heat exchanger, in particular refrigerator liquefier
04/01/1987EP0215966A1 Waste heat recovery installation
03/1987
03/24/1987US4651539 Heat pump
03/24/1987CA1219545A1 Water heater and distiller apparatus
03/10/1987US4648426 Hot water supply system
03/03/1987US4646823 Pipe for utility or service systems
02/1987
02/26/1987DE3628127A1 Evacuating pump set, in particular for milking equipment
02/24/1987US4644934 Solar energy heating system
02/24/1987CA1218274A1 Batch-type water heating apparatus
01/1987
01/29/1987DE3525990A1 Sanitary water heating tank
01/27/1987US4638944 Compact high volume point of use instantaneous water heating system
01/22/1987DE3524446A1 Heat pump installation for service water heating
01/15/1987DE3523596A1 Process-water circulation system for process-water supply systems
01/02/1987DE3522344A1 Method for controlling the temperature of the hot water flowing to consumers connected to a hot water supply system with a circulation line, and hot water supply system for carrying out the method
01/02/1987DE3521980A1 Energy-saving shower system
01/02/1987DE3512880C1 Device for the metered dispensing of cold drinks and hot drinks
12/1986
12/31/1986WO1986007626A1 Pressure transfer fluid heater
12/16/1986US4628902 Hot water distribution system
12/04/1986WO1986007130A1 Solar anti-reverse siphon system
10/1986
10/28/1986US4619311 Equal volume, contraflow heat exchanger
10/21/1986US4617910 Apparatus and method for producing and storing heated liquid
10/07/1986CA1212284A1 Heat-generating device
08/1986
08/27/1986EP0191757A1 Unit for and method of recovery of waste energy
08/26/1986US4607498 High efficiency air-conditioner/dehumidifier
08/26/1986CA1210426A1 Quick recovery heat pump water heater
08/12/1986US4604991 Hot water preheater system
07/1986
07/29/1986US4602672 Commercial laundry heat recovery system
07/22/1986US4601281 Hot water supply system
07/22/1986US4601263 Apparatus for supplying boiled water
07/16/1986EP0187484A1 Method and apparatus for controlling temperature of a liquid
07/08/1986US4598694 Water heater partition and method
07/08/1986US4598557 Integrated heat pump water heater
07/02/1986EP0185655A1 Method of and unit for recovery of waste energy
06/1986
06/11/1986EP0183968A2 Pure water manufacturing apparatus
05/1986
05/20/1986US4589479 Hot water supply unit
04/1986
04/30/1986CN85203517U Wator-heating device using refrigerator radiator
04/22/1986US4583495 Wood fired quick recovery water heater
03/1986
03/25/1986CA1202351A1 Control system for water heater with external heat source
03/19/1986EP0174331A1 Sanitary system for supply of hot and cold water.
03/11/1986US4574779 Solar water heating system
02/1986
02/26/1986EP0172219A1 Method and apparatus for recovering heat from wastewater
02/18/1986US4570449 Refrigeration system
02/04/1986US4567878 Solar anti-reverse siphon system
01/1986
01/14/1986US4564003 Solar/gas heater
01/07/1986US4562828 Solar water heating system and heat exchanger for use with existing hot water systems
12/1985
12/19/1985WO1985005576A1 Unit for and method of recovery of waste energy
12/19/1985WO1985005575A1 Method of and unit for recovery of waste energy
12/17/1985US4558818 Batch-type water heating apparatus
11/1985
11/26/1985US4554688 Water saving system
11/12/1985US4552208 Heat actuated system for circulating heat transfer fluids
11/06/1985EP0051069B1 Device for the recovery of heat
11/05/1985US4550771 Waste water heat recovery apparatus
11/05/1985US4550710 Modular water heater connection apparatus and method for fabricating same
10/1985
10/30/1985EP0159932A1 Hot water storage heater
10/15/1985CA1195132A1 Heat pump system for production of domestic hot water
09/1985
09/24/1985US4542546 Heat recuperator adapted to a shower-cabin
09/10/1985US4540043 Heat-generating device
09/04/1985EP0153608A2 Heat recovery device from sewage, particularly for swimming pools and showers
08/1985
08/29/1985WO1985003764A1 Sanitary system for supply of hot and cold water, and thermostatically controlled valve for such system
08/27/1985US4537348 System for efficient service water heating
08/15/1985WO1985003562A1 Method and apparatus for recovering heat from wastewater
07/1985
07/30/1985US4531572 Method of and unit for recovery of waste energy
07/30/1985US4531510 Bidirectional thermal syphon valve, installation for the production and storage of heat or cold comprising such a thermal syphon valve, and various uses
07/16/1985US4529032 Method of and apparatus for recovery of waste energy
07/16/1985US4528976 Thermal control system for solar collector
07/09/1985CA1190059A1 Process for making granules containing urea as the main component
06/1985
06/18/1985US4523438 Apparatus for recovery of heat from fumes in a heating system or from the ambient air
06/04/1985CA1188167A1 Hot water supply system
05/1985
05/28/1985US4519383 Anti-reverse siphon solar heating system
05/21/1985US4518007 Automatic hot water recovery system
05/21/1985US4517807 Heat pump water heater with supplemental heat supply
04/1985
04/24/1985EP0138682A2 Apparatus for storing heat from two energy sources, and installation for using this apparatus
04/09/1985CA1185108A1 Liquid heating system utilizing a heat pump
04/02/1985US4507933 System combining water heater and refrigeration unit
03/1985
03/12/1985US4503839 Water preheater system
03/05/1985US4502529 Heat recovery system
02/1985
02/26/1985US4501262 Solar hot water system without heat exchanger
02/12/1985US4498622 Quick recovery heat pump water heater
01/1985
01/23/1985EP0131691A2 Hot water producing apparatus
01/09/1985EP0130694A2 Batch-type water heating apparatus
01/08/1985US4492092 Combination refrigerant circuit and hot water preheater
01/08/1985US4492091 Apparatus and method for controlling a heat pump water heater
12/1984
12/19/1984EP0128163A1 An air-conditioning plant
12/11/1984US4487032 Energy conservation for household refrigerators and water heaters
11/1984
11/28/1984EP0126605A2 Quick recovery heat pump water heater
11/13/1984US4481788 Water heating system
10/1984
10/23/1984US4478632 Process for making granules containing urea as the main component
10/23/1984CA1176627A1 Apparatus for the extraction of heat from sewage and method for the operation of the said apparatus
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