| Patents for F24D 17 - Domestic hot-water supply systems (3,522) |
|---|
| 03/18/1992 | CN1015867B Scald-preventing device |
| 03/17/1992 | US5095715 Electric power demand limit for variable speed heat pumps and integrated water heating heat pumps |
| 03/03/1992 | US5093897 Apparatus for dispensing quantities of water of variable temperatures |
| 02/26/1992 | EP0472276A2 Hot loop water supply apparatus |
| 02/25/1992 | CA1296406C Method and apparatus for temperature control of heating and coolingplants |
| 02/05/1992 | EP0469043A1 Hot water heaters. |
| 01/28/1992 | CA2047987A1 Hot loop water supply apparatus |
| 01/21/1992 | CA2021695A1 Water heater with heat trap in dip tube |
| 01/15/1992 | EP0466107A1 Solar collector |
| 12/17/1991 | US5072717 Hot water priming device |
| 10/16/1991 | EP0452259A2 Installation for producing sanitary hot water and method of working the installation |
| 10/15/1991 | US5056712 Water heater controller |
| 10/09/1991 | CN2086392U Cycle heating auxiliary device of water heater |
| 09/24/1991 | US5050640 Water supply installation |
| 09/24/1991 | US5050394 Controllable variable speed heat pump for combined water heating and space cooling |
| 09/19/1991 | DE4107920A1 Killing hot water storage tank bacteria - by additional heat derived from inert electrode |
| 09/17/1991 | CA1289117C Heating and ventilating system |
| 09/17/1991 | CA1288961C Integrated heat pump system |
| 09/11/1991 | CN2084588U Rotary medicine adding device |
| 09/11/1991 | CN2084581U Separable folding rapid water heater |
| 09/10/1991 | CA1288606C Heat pump system with hot water device |
| 09/03/1991 | CA1288297C Commercial storage water heater |
| 08/29/1991 | DE4006116A1 Solar-heater for water, using roof - has pump controlled by temp. difference and operating at intervals to obtain water by higher temp. |
| 08/29/1991 | DE4005577A1 Bath drain-water processing unit - has surge-arresting and initial-cleaning vessel upstream of tank |
| 08/28/1991 | CN2083719U Two-time water supply synchronous medicine feeding machine for heat exchange system |
| 08/27/1991 | US5042524 Demand recovery hot water system |
| 07/18/1991 | CA2034253A1 Water removal arrangement for a hot water heater |
| 07/16/1991 | CA1286201C Hot water supply system |
| 06/18/1991 | US5024378 Shut-off valve for scald prevention |
| 06/04/1991 | US5020721 Rapid recovery gas hot water heater |
| 05/22/1991 | EP0428341A1 Boiling water units |
| 05/22/1991 | EP0428318A2 Shower unit |
| 04/23/1991 | US5009572 Water conservation device |
| 04/17/1991 | EP0422738A1 Apparatus for dispensing quantities of water of variable temperatures |
| 04/04/1991 | WO1991004229A1 Water treatment |
| 03/27/1991 | EP0418246A1 Wash bay, particularly car wash bay |
| 03/12/1991 | US4998558 Solar water heating system |
| 02/28/1991 | DE3928074A1 Storage system reducing risk of legionella in hot water systems - in which water circulates continuously from storage tank to water heater and mixing of waters of different temps. is prevented |
| 01/22/1991 | US4986342 Apparatus for heating and cooling liquids |
| 01/03/1991 | DE3919544A1 Bath tub for shower-bath - has floor supported on ribs which extend above cold water inlet pipe coil |
| 01/02/1991 | EP0405136A2 Installation for hot water preparation |
| 01/01/1991 | US4981261 Shut-off valve for scald prevention |
| 01/01/1991 | US4980933 Washing device for parts of human body |
| 12/26/1990 | CN2068208U Domestic stove heating shower unit |
| 12/25/1990 | US4979493 Solar heater system |
| 12/20/1990 | DE3919543A1 Shower with heat exchanger and through-flow heater - has waste water heating inlet, and heat control from inlet to shower desired temp. difference |
| 12/18/1990 | US4977885 Hot water heating system with selective bypass |
| 12/12/1990 | CN2067380U Stove-heated type water heater |
| 11/22/1990 | EP0397782A1 Automatic hot water recovery apparatus |
| 11/22/1990 | DE3916222A1 Hot water supply with mixer outlet - combines bimetal control with pressure regulator |
| 11/20/1990 | US4971029 Solar heaters |
| 10/20/1990 | WO1990012988A1 Hot water heaters |
| 10/20/1990 | CA2053286A1 Hot water heaters |
| 10/18/1990 | WO1990012351A1 Fluid mixer device |
| 10/10/1990 | EP0391508A2 Utility water plant disinfecting process. |
| 10/04/1990 | DE3909662A1 Method and installation for providing domestic hot water |
| 10/03/1990 | EP0390336A1 Water supply installations |
| 09/20/1990 | DE3908699A1 Pipe, in particular for hot-water supply installation |
| 09/13/1990 | DE3907771A1 Process and apparatus for the thermal disinfection of service water |
| 09/11/1990 | US4955207 Combination hot water heater-refrigeration assembly |
| 09/06/1990 | DE3906891A1 Microbe-repelling piping |
| 09/05/1990 | CN2061661U Collapsible hot water jacket |
| 08/29/1990 | EP0302083B1 Mixer valve for heating plant |
| 08/07/1990 | US4945942 Accelerated hot water delivery system |
| 08/02/1990 | DE3916195A1 Domestic hot and cold water supply with bacteria control - has time controlled hot water circulation through whole system |
| 08/02/1990 | DE3902745A1 Heat-pump installation |
| 08/02/1990 | DE3902359A1 Device for dividing up a fluid flow |
| 08/01/1990 | CN2059969U Water heater using waste heat from household fuel stove |
| 08/01/1990 | CN1044329A Secondary circulation unit |
| 07/26/1990 | WO1990008292A1 Process and device for supplying hot water |
| 07/26/1990 | DE3902113A1 Water heater for the thermal destruction of legionellae |
| 07/26/1990 | DE3901781A1 Verfahren und vorrichtung zur warmwasserbereitung Method and device for water heating |
| 07/10/1990 | US4940024 Hot water heater |
| 07/03/1990 | US4938172 Supplement system for transferring heat from a furnace exhaust stack to a hot water tank |
| 06/26/1990 | US4936289 Usage responsive hot water recirculation system |
| 06/21/1990 | DE3841911A1 Sanitary fitting |
| 06/13/1990 | EP0372293A2 Sanitary hot water installation with a device for killing Legionnella pneumophila |
| 06/13/1990 | CN2058238U Domestic pipe-sheet type hot water heater |
| 06/05/1990 | US4930551 Automatic hot water recovery apparatus |
| 06/05/1990 | US4930492 Solar water heating system |
| 05/31/1990 | WO1990005878A1 Warm water system |
| 05/31/1990 | DE3839791A1 Heating-up circuit of a storage water heater |
| 05/29/1990 | USRE33222 Pressure transfer fluid heater |
| 05/17/1990 | DE3838476A1 Method for operating a storage water heater |
| 05/17/1990 | DE3838242A1 Conduit for water for sanitary facilities |
| 05/10/1990 | DE3838046A1 Method for thermal disinfection |
| 05/01/1990 | US4921163 Method and apparatus for temperature control of heating and cooling plants |
| 04/25/1990 | CN1041629A Washing device for parts of human body |
| 04/19/1990 | DE3918468A1 Legionella filter - comprises plastic material with specified max. pore size |
| 04/17/1990 | US4917294 Shut-off valve for scald prevention |
| 04/17/1990 | US4917142 Secondary circulation unit |
| 04/17/1990 | US4917079 Solar water heating system |
| 04/10/1990 | CA1267586A1 System of hot and immediate water for tap-water and energy saving |
| 03/29/1990 | DE3832837A1 Line arrangement for hot-water supply |
| 03/27/1990 | US4911228 Apparatus for heating and cooling liquids |
| 03/27/1990 | US4911145 Vacuum type solar heat collecting apparatus |
| 03/22/1990 | WO1990002707A1 Water treatment system |
| 03/20/1990 | US4909435 Hot water supply system |
| 03/08/1990 | WO1990002300A1 Heat pump for heating or cooling confined spaces, and also for heating tap water |
| 03/07/1990 | EP0356452A1 A device for preparing hot water by means of an external heating source |