| Patents for F24D 19 - Details (15,010) |
|---|
| 12/20/1990 | DE4013608A1 Heating radiator fitment - prevents dirt deposits on wall by flow retarding slab of open-celled foam |
| 12/20/1990 | DE3919515A1 Radiator for central heating system - is made from light alloy extrusion, containing several tubes |
| 12/19/1990 | EP0403422A2 Method of protection of a water heating installation against freezing and water heating installation for its performance |
| 12/18/1990 | US4978063 Automatic control device for indirect fired water heaters and heat exchangers |
| 12/18/1990 | US4977818 Air flow control system |
| 12/13/1990 | DE4016898A1 Heating regulator for dwellings - has internal timer with stipulated value generator giving different values for night and day as well as working days and week-ends |
| 12/12/1990 | CN2067381U Automatic exhaust valve for water heating |
| 12/06/1990 | DE4014709A1 Drilling console for fixing sanitary objects to walls - has expanding elements with wedge faces adapting to irregular drilling holes |
| 12/06/1990 | DE3917625A1 Domestic radiator valve assembly - is connected to hose coupling for drainage and has spindle turned by external tool |
| 11/29/1990 | DE4014712A1 Heat storage unit combined with heating plant - includes four-way mixer to control circulation and hot water storage in conjunction with other valves |
| 11/29/1990 | DE3917068A1 Heating control of domestic water supply system - comprises two separate circuits each incorporating pump |
| 11/22/1990 | EP0294377B1 A bracket for mounting a radiator |
| 11/22/1990 | DE4014944A1 Electrical circuit utilising residual heat of domestic boiler - affords optimal control of central heating installation by time switch or relay with adjustable running time |
| 11/22/1990 | DE3916403A1 Through-flow electric water heater for room heating - has controller operated by signals from room thermostat and thermometers on delivery pipe and exterior wall |
| 11/22/1990 | DE3916018A1 Demand-matched control for hot-water circulation pump - uses electronic switching for sub-second duration applications of mains voltage irrespective of absolute temp. of water |
| 11/22/1990 | DE3915932A1 Convection heater with humidifier for room air conditioning - has electric heating elements and water evaporator respectively above and below ventilating fan in upright panel |
| 11/20/1990 | US4971136 Dual fuel heat pump controller |
| 11/15/1990 | WO1990013370A1 Pneumatic desedimentation machine |
| 11/15/1990 | DE4015139A1 Water heating system control - includes mixing valve in circuit directly connected to boiler allowing priority heating of domestic water |
| 11/14/1990 | CN2065742U Radiator with convection casing |
| 10/31/1990 | CN2064872U Float type hot-water heating automatic exhaust valve |
| 10/24/1990 | EP0393046A1 Device in particular pump or valve with a box for electrical connections for heating installations. |
| 10/18/1990 | WO1990012261A1 A system for supplying hot water |
| 10/17/1990 | EP0393010A2 Device for the temperature controlled flow of fluids and for preventing the thermally-caused circulation flow in standing, temperature layered fluid columns |
| 10/17/1990 | EP0392634A2 Heatable domestic water storage |
| 10/11/1990 | DE3910772A1 Decentralised, time-dependent room (space) heating control |
| 10/10/1990 | EP0391445A1 Device for actuating an air vent valve for radiators with a container |
| 09/20/1990 | DE3908309A1 Fastening clamp for installations |
| 09/20/1990 | DE3908067A1 Wall bracket for fastening and levelling objects, such as heating elements (radiators), having a locking device |
| 09/19/1990 | EP0387702A2 Method for regulating the supply, respectively return, of water temperature for a heating installation |
| 09/12/1990 | EP0386497A2 Heating radiator for bathrooms |
| 09/12/1990 | EP0386496A1 Radiator cover |
| 09/12/1990 | EP0386392A1 A composable structure for covering radiators, stiffened by the installation of the window |
| 09/12/1990 | EP0386301A1 Device for fastening of radiators |
| 09/11/1990 | CA1274006A1 System for regulating temperature of hot water in wall-hung instantaneous mixed gas heating units |
| 08/16/1990 | EP0382152A2 Wall-mounted tube radiator for a sanitary space |
| 08/16/1990 | DE4004392A1 Domestic hot water system |
| 08/16/1990 | DE4004391A1 Hot water system with more than one circuit - has common control which activates pump only in circuit where there is lesser heat demand |
| 08/09/1990 | DE4002502A1 Domestic water heating system - has boiler circuit controlled by thermostatically activated pump which by passes radiator circuit |
| 08/09/1990 | DE3903309A1 Ducted open-circuit solar collector installation |
| 08/08/1990 | EP0380483A1 Heating or cooling arrangement. |
| 08/08/1990 | CN1044522A Assembled valve capable of measuring heat-consumption |
| 08/07/1990 | US4945942 Accelerated hot water delivery system |
| 08/02/1990 | DE3902366A1 Method and device for cleaning and regulating the pressures in piping systems |
| 08/01/1990 | CN1044329A Secondary circulation unit |
| 07/31/1990 | US4944453 Heating system |
| 07/26/1990 | DE4000710A1 Electric control of fuel supply to boiler of hot water heating plant - using magnetic valve to control fuel supply to burner and switch contact in current line to valve coil operated by thermostat |
| 07/18/1990 | WO1990008291A1 Device for the temperating of premises |
| 07/18/1990 | CA2044153A1 Device for the temperating of premises |
| 07/17/1990 | US4941608 Hot water supplying system |
| 07/10/1990 | US4940079 Optimal control system for refrigeration-coupled thermal energy storage |
| 07/05/1990 | DE3843376A1 Heating-up control system of a domestic water storage tank |
| 07/04/1990 | CN2058967U Temp. controlling valve |
| 06/27/1990 | EP0375259A2 Hot water supplying system |
| 06/27/1990 | EP0374727A1 Three-way valve for gas boiler |
| 06/27/1990 | CN1043379A Heating system for normal pressure low-temp. open hot-water boiler |
| 06/26/1990 | US4936289 Usage responsive hot water recirculation system |
| 06/23/1990 | CA2001221A1 Heat pump fan control |
| 06/21/1990 | DE3842857A1 Electric flow heater |
| 06/19/1990 | US4935603 Hot water supply system |
| 06/13/1990 | EP0372293A2 Sanitary hot water installation with a device for killing Legionnella pneumophila |
| 06/06/1990 | CN1008297B Multifunctional electromagnetic valves |
| 05/31/1990 | WO1990005878A1 Warm water system |
| 05/31/1990 | DE3939360A1 Steuerung fuer die pumpe einer wasserheizanlage Control units for heating water pump of a |
| 05/31/1990 | DE3839791A1 Heating-up circuit of a storage water heater |
| 05/29/1990 | US4928754 Heat exchanging apparatus |
| 05/29/1990 | US4928750 VaV valve with PWM hot water coil |
| 05/29/1990 | US4928583 Air flow control system |
| 05/22/1990 | CA1269299A1 Apparatus employing an aqueous solution |
| 05/17/1990 | DE3838477A1 Method for controlling the circulation pump of a heating installation |
| 05/16/1990 | EP0368715A1 Installation and apparatus for individual heating and sanitary hot water production starting from a communal heating system |
| 05/10/1990 | DE3838005A1 Verfahren zum einstellen des mittelwerts der vorlauftemperatur eines heizmediums und schaltungsanordnung zur durchfuehrung des verfahrens The set method of the medium value of the flow temperature of a heating medium and circuit arrangement for implementing the method |
| 05/02/1990 | CN2056736U Self-locking cold wind door |
| 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 | WO1990004136A1 Fastening device for modular housings of electric and/or electronic controls mounted on the outside of pumps, valves or the like, in particular for mounting heating installations |
| 04/19/1990 | DE3835012A1 Method for controlling a solar installation, and control system |
| 04/18/1990 | EP0363586A1 Gas separator |
| 04/17/1990 | CA1267820A1 Method and apparatus for venting enclosed liquid circulating systems |
| 04/11/1990 | EP0363291A1 Quickly connected radiator for low-pressure hot water central heating |
| 04/10/1990 | CA1267643A1 Auxiliary equipment for the thermostatic valve of a radiator |
| 04/05/1990 | WO1990003545A1 Flat temperature-regulating device |
| 03/29/1990 | DE3843805C1 Flat radiator with a top covering grid |
| 03/29/1990 | DE3832495A1 Method and apparatus for controlling the temperature of the heating medium of a closed-circuit heating system with minimum-temperature limitation |
| 03/28/1990 | EP0359901A1 Mixing device for a hot water heating installation |
| 03/27/1990 | US4911335 Pneumatic actuated switch for hot water dispenser |
| 03/27/1990 | US4911229 Valve systems for purging earth coupled water source heat pumps |
| 03/22/1990 | DE3830751A1 Radiator cover |
| 03/21/1990 | EP0358843A1 Pumps for a hot water heating system |
| 03/14/1990 | EP0358173A2 Automatic hot water supply apparatus |
| 03/13/1990 | US4907739 Heating method and apparatus |
| 03/07/1990 | EP0356609A1 Set-point adjuster for a domestic hot water storage regulator |
| 03/06/1990 | US4905894 Refrigerant heating type air conditioner |
| 03/01/1990 | DE3828367A1 Device for limiting the pressure in a hot-water heating system |
| 02/28/1990 | EP0356371A1 Water heating installation |
| 02/28/1990 | EP0355938A1 Panel-type radiator with frame |
| 02/22/1990 | DE3828219A1 Device for the measurement of the quantity of heat given out by a heater and for the control of the fluid stream flowing through the heater |
| 02/21/1990 | EP0354914A1 Heat exchanging apparatus. |
| 02/21/1990 | CN2053310U Pressure-controlled automatic water supply device |
| 02/20/1990 | US4901915 Control apparatus for water temperature and water flow rate |