| Patents for F24D 17 - Domestic hot-water supply systems (3,522) |
|---|
| 11/02/1994 | CN2181639Y Hot-water supply system mounted on radiator |
| 10/06/1994 | DE4406971A1 Shower tray (receptor) or bathtub and washbasin with integrated heat exchanger |
| 10/04/1994 | US5351502 Combination ancillary heat pump for producing domestic hot h20 with multimodal dehumidification apparatus |
| 09/27/1994 | US5351337 Self-contained pressurized water delivery system |
| 09/22/1994 | DE4308941A1 Arrangement for the provision of hot water for continuous-flow storage water heaters heated by gas wall appliances |
| 09/20/1994 | CA2030976C Domestic water heater designed to reduce the risks of bacterial contamination |
| 09/15/1994 | WO1994020784A1 Dispenser for hot and cold water |
| 09/08/1994 | DE4306409A1 Apparatus for obtaining electricity and heat |
| 08/24/1994 | EP0611923A1 Method for the control of legionnella in hot water installations with an accumalator |
| 08/23/1994 | US5339859 Water conservation system |
| 08/11/1994 | CA2089217A1 Hot water heating system |
| 08/10/1994 | EP0609395A1 Ancillary heat pump apparatus for producing domestic hot water |
| 08/04/1994 | DE4239286A1 Solar panel for water heating |
| 07/26/1994 | US5331996 Dual mode hot water circulation apparatus |
| 07/14/1994 | DE4300292A1 Hot water supply system with at least one container for storing pasteurised water |
| 07/13/1994 | EP0605580A1 Plant for recuperating heat from waste waster. |
| 06/30/1994 | DE4402269A1 System utilising waste heat of shower water |
| 06/28/1994 | US5323803 Instant hot water device |
| 05/17/1994 | US5311621 Shower unit |
| 05/05/1994 | DE4236959A1 Mains water heating and legionella destruction appts. - has storage water heater connected to circulating water circuit |
| 05/03/1994 | CA2033415C Forced draft direct vent system for a water heater |
| 04/27/1994 | EP0594020A1 Installation for heating domestic water and for killing the legionella in this water |
| 04/26/1994 | US5305614 Ancillary heat pump apparatus for producing domestic hot water |
| 04/12/1994 | US5301745 Installation for heat recovery |
| 04/05/1994 | US5299329 For use with a motor vehicle |
| 03/17/1994 | DE4230795A1 Hot water pipe between e.g. boiler and end equipment - provides support surface for electric heating band extending along length of hot water line |
| 03/09/1994 | CN1023946C Washing device for parts of human body |
| 03/08/1994 | US5293447 Photovoltaic solar water heating system |
| 02/16/1994 | EP0582730A1 Panel element |
| 02/15/1994 | CA2028771C Integrated hot water supply and space heating system |
| 02/10/1994 | DE4222550C1 Device for heating and killing of Legionella bacteria in water supplies - by preheating water using brine circuit, and then heating directly by combustion exhaust gas in multistage heat exchanger |
| 02/08/1994 | CA1326845C Safety-stop valve particularly to be used between mixer and shower to prevent scalding |
| 02/01/1994 | CA2049423C Tempering system for storage tank water heaters |
| 01/26/1994 | EP0338056B1 Apparatus for prevention of the occurence or proliferation of microorganisms in water for industrial use |
| 01/12/1994 | EP0577606A1 Device for producing hot water for domestic use or heating |
| 01/11/1994 | US5277219 Hot water demand system suitable for retrofit |
| 12/16/1993 | DE4219466A1 Reduction of water consumption in buildings - using pump and valves, to feed cold standing water in hot water pipes into cold water pipes |
| 12/14/1993 | US5269153 Apparatus for controlling space heating and/or space cooling and water heating |
| 11/16/1993 | US5261443 Watersaving recirculating system |
| 11/11/1993 | DE4214565A1 Waste heat recovery appts. e.g. from electric oven cooking plates that have just been switched off - has funnel-shaped casing with cold water inlet and heated water outlet placed over plates |
| 10/28/1993 | WO1993021482A1 A water heating tank |
| 10/15/1993 | CA2093620A1 Hot water supply system |
| 10/14/1993 | DE4309349A1 Hot water supply - involves hot water pipe entering mixing chamber through hot water valve and then flowing into container via valve connection and inlet |
| 10/01/1993 | CA2092879A1 Hot water storage tank heat exchanger system |
| 09/29/1993 | EP0561920A1 A solar energy collector. |
| 09/21/1993 | US5245984 Solar domestic hot water system with thermal siphon preheating |
| 09/02/1993 | DE4206074A1 Arrangement for providing heated water of drinking water quality - has closed water circulation loop to heat take=off water using heat exchanger with pump and valves controlled. |
| 09/01/1993 | EP0557994A1 Device for energy-saving hot water production |
| 08/17/1993 | US5236600 Process for controlling bacteria growth in water supply systems |
| 07/21/1993 | EP0551534A1 Hot-water preparation system |
| 07/13/1993 | US5226594 Hot water storage tank heat exchanger system |
| 06/29/1993 | CA1319464C Washing device for parts of human body |
| 06/22/1993 | US5220807 Combined refrigerator water heater |
| 05/26/1993 | CN2134615Y Radiating hot water recombiner |
| 05/19/1993 | DE4137517A1 Energy supply system for domestic use using engine as primary source - has engine operated at optimum speed to drive generator charging batteries and with gases used to heat water |
| 05/13/1993 | WO1993009386A1 Ancillary heat pump apparatus for producing domestic hot water |
| 05/13/1993 | DE4202445C1 Hot water system in building - includes heat exchanger splitting circuit into hot water supply and tap circuits |
| 05/13/1993 | CA2121794A1 Ancillary heat pump apparatus for producing domestic hot water |
| 05/12/1993 | EP0540772A1 Product for exterminating Legionella |
| 04/27/1993 | US5205318 Recirculation hot water system |
| 04/20/1993 | US5203500 Apparatus and method for converting an electric water heater to use gas |
| 04/15/1993 | WO1993007424A1 Plant for recuperating heat from waste waster |
| 04/15/1993 | CA2120526A1 Plant for recuperating heat from waste water |
| 04/01/1993 | DE4131989A1 Extraction of heat from below ground - involves deep situated heat-exchangers heating cold water supplied from surface subsequently pumped back up to ground level |
| 03/24/1993 | EP0532910A1 Installation for heat recovery from domestic hot water |
| 03/24/1993 | EP0469043A4 Hot water heaters |
| 03/04/1993 | DE4135560A1 Unpressurised warm waste water-cold fresh water heat exchanger - has two=part container, with warmer waste water supplied to top section, colder water to lower section |
| 02/11/1993 | DE4224968A1 Solar water heating system - comprises two flat panes of glass coupled in parallel with distance pieces and with edges suitably sealed |
| 02/02/1993 | US5183029 Hot water supply system |
| 01/12/1993 | US5178351 Insulating support base for a cylindrical electric hot water tank |
| 01/07/1993 | DE4121083A1 Hot water storage vessel for solar heating - has cylindrical pressure vessel protruding from enclosing tank at top or bottom |
| 12/22/1992 | US5172564 Integrated heat pump with restricted refrigerant feed |
| 12/01/1992 | US5168546 Device for heating the bacterial proliferation zone of a water heater to prevent legionellosis |
| 11/25/1992 | CN2123029U Demountable entry valve of water-heating system |
| 11/19/1992 | EP0513705A1 Heat exchanger for waste water piping |
| 11/15/1992 | CA2061482A1 Integrated heat pump with restricted refrigerant feed |
| 11/04/1992 | CA2067938A1 Hot water recovery system suitable for retrofit |
| 11/03/1992 | US5159918 Hot water storage tank for solar collectors |
| 10/06/1992 | CA1308317C Solar water heater |
| 09/24/1992 | DE4109511A1 Hot water multi chamber plastics boiler - comprises separate chambers with individual heaters producing water at different temperatures and separate supply connections to mixer tap |
| 09/08/1992 | US5144940 Compost water heater and method |
| 09/02/1992 | CN1064146A Temp. regulator for water supply |
| 09/01/1992 | US5143149 Wastewater heat recovery apparatus |
| 09/01/1992 | US5143049 A plumbing installation |
| 08/25/1992 | US5140829 Air conditioning system |
| 08/19/1992 | CN2113453U Single handle multipurpose cold/hot water valve |
| 07/28/1992 | US5134158 Biocidal compositions and use thereof containing a synergistic mixture of 3-iodo-2-propynyl-butyl carbamate and 3,4-dichloro-1,2-dithiol-3-one |
| 07/23/1992 | WO1992012389A1 Device for producing hot water for domestic use or heating |
| 07/01/1992 | EP0492031A1 A heat recuperation device for sanitary installations |
| 06/24/1992 | EP0491460A2 Tempering system for storage tank water heaters |
| 06/22/1992 | WO1992011495A1 A solar energy collector |
| 05/26/1992 | CA1301887C Temperature-adjustable water supply system |
| 05/19/1992 | US5115491 Tempering system for storage tank water heaters utilizing inlet and outlet heat exchanger |
| 05/06/1992 | CN2103759U Electrothermic convenient bathtub |
| 05/06/1992 | CN2103752U Kitchen utensil type multifunction shower douche for heating water and air |
| 04/21/1992 | US5105846 Water conserving purge system for hot water lines |
| 04/16/1992 | DE4139288A1 Hot water system esp. with solar preheating - has continuous flow heating and sterilising equipment |
| 04/16/1992 | DE4139287A1 Hot water storage unit for solar system - has integrated storage and expansion tanks and heat exchanger |
| 03/31/1992 | US5099825 Boiling water units |
| 03/24/1992 | US5097801 Waste energy hot water heater |