Patents for F24D 17 - Domestic hot-water supply systems (3,522) |
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02/06/1990 | US4898152 Dual sequence solar water heater |
02/01/1990 | DE3932871A1 Heat recovery device for shower bath - has horizontal discharge pipe for warm waste water in path of entering cold water |
01/25/1990 | WO1990000770A1 Method and apparatus for controlling the temperature of a liquid |
01/17/1990 | EP0351220A2 A solar heater |
01/16/1990 | US4893749 Mixer valve for heating installations |
01/10/1990 | EP0349984A1 Washing device for parts of human body |
12/21/1989 | DE3819939A1 Process and apparatus for killing off harmful bacteria, viruses or the like in shower installations |
12/12/1989 | CA1263827A1 Hot water producing installation, with storage capacity |
11/23/1989 | DE3816497A1 Heating and/or domestic hot water boiler |
11/09/1989 | DE3814169A1 Solar installation for the production of hot water |
11/09/1989 | DE3813288A1 Method and water-heating installation for water heating |
11/02/1989 | WO1989010518A1 Multipurpose hot-water system with heat recovery, for car wash bays |
10/25/1989 | EP0338056A1 Apparatus for prevention of the occurence or proliferation of microorganisms in water for industrial use |
10/25/1989 | CN2046605U High efficiency energy saving water heating apparatus |
10/18/1989 | CN2046165U Automatic interlock hydraulic controlling valve |
10/05/1989 | DE3809888A1 Apparatus for heat recovery from used (slightly contaminated) water |
09/27/1989 | EP0334797A2 Hot-water tank |
09/26/1989 | US4869427 Shower system |
09/26/1989 | US4869314 Heat exchanger with secondary and tertiary heat exchange surface |
09/19/1989 | US4867375 Temperature-adjustable water supply system |
09/08/1989 | WO1989008226A1 Instantaneous regenerative siphon heater |
09/06/1989 | CN1035238A Mixing device |
08/15/1989 | CA1258411A2 Apparatus and method for burning a combustible gas |
08/10/1989 | WO1989007218A1 Automatic hot water recovery apparatus |
08/08/1989 | US4854373 Heat exchanger for a pump motor |
08/03/1989 | DE3804647C1 Heating-up circuit of a storage domestic-water heater |
07/26/1989 | CN1034126A Upper part cartridge |
06/22/1989 | DE3840534A1 Shower installation |
06/21/1989 | EP0320564A2 Temperature-adjustable water supply system |
06/13/1989 | CA1255538A1 Pressure transfer fluid heater |
05/18/1989 | DE3836846A1 Burner-heated hot-water storage device |
05/11/1989 | DE3836523A1 Verfahren und einrichtungen zur verhinderung des auftretens bzw. der fortpflanzung von kleinstlebewesen in brauchwasser Procedures and equipment for prevention of occurrence or the reproduction of the smallest critters in domestic water |
05/09/1989 | CA1253935A1 Method and apparatus for controlling temperature of a liquid |
05/05/1989 | WO1989003807A1 Prevention of the occurence or proliferation of microorganisms in water for industrial use |
04/20/1989 | DE3733917A1 Apparatus for dispensing hot and warm domestic water |
04/18/1989 | US4821793 Tub and shower floor heat exchanger |
03/16/1989 | DE3830594A1 Circulation system for hot-water pipes |
03/15/1989 | EP0306587A2 Heat pump system with hot water device |
03/15/1989 | CN2034252U Full-automatic cold-hot water supplying machine |
03/08/1989 | EP0305669A1 Vehicle, especially a coach |
02/08/1989 | EP0302083A1 Mixer valve for heating plant. |
01/26/1989 | DE3723089A1 Service-water tapping arrangement |
01/25/1989 | EP0300639A1 Shower system |
01/18/1989 | EP0299471A2 Liquid respectively gas cycle, particularly for a hot water or a heating water system |
01/17/1989 | US4798224 Automatic hot water recovery apparatus |
01/04/1989 | EP0297544A2 Hot water supply system |
12/28/1988 | EP0296630A1 Hotwaterheater |
12/01/1988 | DE3726722C1 Mixed-water installation with mixed-water temperature control |
11/30/1988 | EP0292737A1 Sanitary hot water accumulator |
11/15/1988 | CA1244732A1 Two way thermovane, installation for the production and starage of heat or cold incorporating said thermovane, and various uses for said installation |
11/10/1988 | DE3818273A1 Tank for collecting bathing waste water and intended for recovering the heat from hot bath and shower waste water |
11/02/1988 | EP0289395A1 Heating installations with storage means using at least one intermittent heater source |
10/20/1988 | WO1988008105A1 A device for preparing hot water by means of an external heating source |
10/20/1988 | DE3710927A1 Method and apparatus for the treatment of shower water, in particular in swimming pools |
10/19/1988 | EP0174331B1 Sanitary system for supply of hot and cold water |
10/13/1988 | DE3710771A1 Guidance of the circulation conduit in the interior of the flowpipe |
10/11/1988 | US4776180 Updraft integrated heat pump |
08/30/1988 | US4766885 Solar water heater |
08/30/1988 | US4766734 Heat pump system with hot water defrost |
08/24/1988 | EP0279143A2 Integrated heat pump system |
07/26/1988 | US4759382 System of hot and immediate water for taps-water and energy saving |
07/20/1988 | EP0275237A2 Shower apparatus |
06/21/1988 | US4751823 Control arrangement affecting operation, safety and efficiency of a heat recovery system |
06/15/1988 | EP0270993A2 Process for preventing the development and multiplication of harmful germs in the water of a sanitary hot water system, and applicances therefor |
05/31/1988 | US4747273 Heating and cooling system |
05/26/1988 | DE3639819A1 Temperature-control for a service water supply network |
05/24/1988 | US4745945 Thermal expansion relief arrangement for closed plumbing system |
05/10/1988 | CA1236376A1 Hot water recovery system |
04/19/1988 | US4738305 Air conditioner and heat dispenser |
04/19/1988 | US4738280 Hot water supply system |
04/07/1988 | WO1988002463A1 Mixer valve for heating plant |
04/05/1988 | US4735061 Energy-saving system for an engine-driving air conditioning system |
03/23/1988 | EP0260343A2 Temperature control method and apparatus for heating and cooling plants |
03/03/1988 | DE3629532A1 Facility with water heater and shower |
03/01/1988 | US4727856 Solar water heating and storage system |
03/01/1988 | US4727727 Integrated heat pump system |
02/11/1988 | DE3626586A1 Refrigeration installation with heat-recovery arrangement |
01/27/1988 | EP0253918A1 Hot water supply system |
01/27/1988 | CN87104172A 热水供给系统 Water supply system |
01/21/1988 | DE3622139A1 Water supply installation |
12/23/1987 | DE3620551A1 Mixed-water preparation installation with circulation device |
12/17/1987 | DE3717720A1 Heat exchanger for recovery of shower waste water heat |
12/17/1987 | DE3620117A1 Central mixed-water preparation device with recirculation |
12/16/1987 | EP0249070A2 Apparatus for controlling the flow in a heated medium closed-loop circuit having outlet fixtures |
10/19/1987 | EP0231208A4 Pressure transfer fluid heater. |
10/13/1987 | US4699122 Storage water heater system |
10/06/1987 | US4697614 Water conservation system |
09/01/1987 | US4690208 Contaminated fluid heat exchanging |
09/01/1987 | US4690102 Water heater and distiller apparatus |
08/27/1987 | DE3605833A1 Refrigerating machine with automatic reversing system for hot-water preparation |
08/27/1987 | DE3605585A1 Installation for recovering heat from waste water |
08/26/1987 | EP0233305A1 Heat pump |
08/25/1987 | US4688396 Air-conditioning hot-water supply device |
08/25/1987 | US4688273 Sanitary system for supply of hot and cold water, and thermostatically controlled valve for such system |
08/18/1987 | US4686960 Apparatus for heating water by solar energy |
08/12/1987 | EP0231208A1 Pressure transfer fluid heater |
07/28/1987 | US4682581 Secondary circulation system |
07/21/1987 | US4681089 Convection powered solar heater for water tanks |
07/21/1987 | US4680941 Waste heating recovery system |
07/15/1987 | EP0229037A2 Heat exchanger |