Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24D - Domestic- or space-heating systems, e.g. central heating systems; Domestic hot-water supply systems; Elements or components therefor › F24D 17 - Domestic hot-water supply systems
Patents for F24D 17 - Domestic hot-water supply systems (3,522)
04/1982
04/14/1982EP0049503A2 Hot-water heating plant with heat pump and heat buffer
03/1982
03/30/1982US4321943 Automatic hot water recovery system
03/30/1982US4321798 Method for heating water used in an appliance connected into a domestic water circuit and the apparatus for carrying out said method
03/30/1982US4321797 Quick connector and shut-off valve assembly for heat recovery system
03/24/1982EP0047748A1 Method and apparatus for transferring heat from waste water from a building.
03/09/1982CA1119422A1 Integrated house
02/1982
02/23/1982US4316367 Heat recovery and hot water circulation system
02/16/1982US4315597 Water pre-heater of a refrigeration system
02/09/1982US4314545 Solar hot water generator
02/09/1982US4314456 Refrigerant condensing system
02/04/1982WO1982000338A1 A cistern arrangement for heating tap water
02/02/1982US4313491 Coiled heat exchanger
02/02/1982CA1117389A1 Apparatus for collecting and transporting heat energy
01/1982
01/27/1982EP0044623A1 Solar heating system
01/26/1982CA1116965A1 Solar air and water heater
01/12/1982US4309982 Process and apparatus for the preparation of hot water from solar energy
01/06/1982EP0043227A2 A heat actuated system for circulating heat transfer fluids
12/1981
12/15/1981US4305456 Condenser and hot water system
12/10/1981WO1981003539A1 Heat transference unit
12/08/1981US4304292 Shower
11/1981
11/25/1981EP0040303A1 Apparatus for the heat exchange between two fluids of differing temperatures
11/17/1981US4300536 Auxiliary hot water boiler with solar heater and heat exchange system
11/12/1981WO1981003219A1 Device for the recovery of heat
11/04/1981EP0038964A2 Water storage heaters
10/1981
10/27/1981US4296798 Integrated house
10/27/1981US4296729 Solar hot water heating system
10/21/1981EP0038318A1 Control system for controlling the heating of domestic water for a storage tank
10/13/1981US4294227 Apparatus for heating water by solar heat
10/06/1981US4293093 Co-axial fitting for use with a refrigeration circuit heat reclaim apparatus
10/06/1981CA1110129A1 Preheating unit for domestic hot water supply
10/01/1981WO1981002774A1 Solar/gas'heater
09/1981
09/29/1981US4291423 Heat reclamation for shower baths, sinks, and other fluid receiving vessels
09/08/1981US4287879 Water heating system using solar energy
09/02/1981EP0034588A1 Heat recuperation device for domestic cooler systems
08/1981
08/26/1981EP0034141A1 Utilization of a heat pump for the feeding of house hold appliances
08/11/1981US4282861 Water heating system using solar energy
08/04/1981US4281519 Refrigeration circuit heat reclaim method and apparatus
07/1981
07/28/1981US4280479 Solar heat collector
07/09/1981WO1981001874A1 Method and apparatus for transferring heat from waste water from a building
06/1981
06/30/1981US4275687 Preheating unit for domestic hot water supply
06/10/1981EP0029952A1 Device for and method of heating of water using solar energy
06/02/1981US4270363 Refrigerating machine including energy conserving heat exchange apparatus
05/1981
05/06/1981EP0027995A2 System for transferring heat energy from a refrigeration circuit to a hot water circuit
05/05/1981US4265094 Unitized refrigeration and water heating system
04/1981
04/28/1981US4263785 Method and system for recovering heat in association with dairy operations
04/21/1981US4262658 Drainable solar collector apparatus
04/14/1981US4261334 Solar collector
04/01/1981EP0025986A1 Method and apparatus for the utilisation of heat taken up at low temperature
03/1981
03/24/1981US4257397 Solar water heater
03/17/1981US4255936 Heat pump water heater
03/03/1981US4253446 Storage reservoirs for liquids heatable by solar energy
02/1981
02/19/1981WO1981000447A1 Heat recuperation device for domestic cooler systems
02/19/1981WO1981000442A1 Utilization of a heat pump for the feeding of house hold appliances
02/17/1981US4250712 Plant for the production of thermal energy from the solar heat
02/10/1981US4249512 Solar air and water heater
01/1981
01/27/1981US4246764 Water and energy conservation system for food serving establishments
12/1980
12/30/1980US4242569 Multiple tank electric water heater
12/30/1980US4241588 Energy conserving water heating system
12/16/1980US4238933 Energy conserving vapor compression air conditioning system
12/16/1980US4238873 Apparatus for collecting and transporting heat energy
12/02/1980CA1090599A1 Condenser and hot water system
11/1980
11/11/1980US4232655 Solar energy collection
11/11/1980US4232529 Energy conservation refrigeration unit
10/1980
10/28/1980CA1088512A1 Heat saving device for use with clothes dryers, vanity drains and the like
10/14/1980US4227382 Split system air conditioner adapted to receive a water preheater
10/14/1980CA1087410A1 Energy recovery system
10/07/1980US4226606 Waste heat recovery system
09/1980
09/30/1980US4224804 Hot-water supply for submarines and the like
09/17/1980EP0015884A1 Apparatus for production of hot water
08/1980
08/12/1980US4216659 Thermal system
07/1980
07/01/1980US4210102 Space heater heat recovery system
06/1980
06/25/1980EP0012204A1 Heat recovery unit
05/1980
05/13/1980US4202406 Heat exchange system
05/06/1980US4201518 Improved yields by maintaining higher concentration of material having hydrogenation catalytic activity in downstream section than in upstream section
04/1980
04/08/1980US4197446 Energy-saving device for domestic water heaters
03/1980
03/25/1980US4194368 Combination split system air conditioner and compression cycle domestic hot water heating apparatus
01/1980
01/22/1980US4184635 Control units for heating systems
01/09/1980EP0006211A1 Means for providing heated water by solar energy
01/09/1980EP0006210A1 Means for providing heated water by solar energy
01/01/1980CA1068917A Apparatus for the recovery of useful heat from refrigeration gases
12/1979
12/25/1979US4179902 Hot water system and condensing unit therefor
12/18/1979CA1068182A1 Hot water system
11/1979
11/06/1979US4173125 Energy recovery system
10/1979
10/02/1979US4169430 Modular heat exchangers with a common flue
10/02/1979CA1063473A1 Combined household heating and cooling unit for air and water
09/1979
09/19/1979EP0003953A1 Apparatus for collecting and transporting heat energy
09/05/1979EP0003924A1 Water storage heater supplied with fluid heated by a solar collector
09/04/1979US4166944 Water heater control system
08/1979
08/28/1979US4165732 Process and apparatus for obtaining hot water by use of solar energy
06/1979
06/26/1979US4159017 Solar panel system
05/1979
05/08/1979US4153043 Apparatus for solar hot water system and method of making same
04/1979
04/24/1979US4150787 Method and arrangement for saving energy in preparing hot water for household
04/10/1979US4148355 Water heating system and combined storage tank and heat exchanger unit therefor
04/03/1979US4147157 Self-supporting active solar energy system
03/1979
03/27/1979US4146089 Hot water system and condensing unit therefor
03/06/1979US4142515 Timed water recirculation system
03/06/1979US4142379 Waste energy recovery system
02/1979
02/27/1979US4141222 Energy recovery system for refrigeration systems
01/1979
01/30/1979US4136731 Heat transfer apparatus
01/02/1979US4132263 Combined household heating and cooling unit for air and water
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