| Patents for F24D 12 - Other central heating systems (923) |
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| 04/04/2006 | US7021553 Space heating system with fuel cells and a connection to a public electrical network |
| 03/30/2006 | DE102005042495A1 Operating plant for simultaneous production of electrical, thermal energy with fuel cell heater involves regulator switching on additional heating device when defined negative temperature gradient exceeded in thermal energy storage device |
| 03/29/2006 | CN2767910Y All-weather solar heating apparatus |
| 03/23/2006 | DE10029654B4 Regelgerät für eine Heizungsanlage Controller for a heating system |
| 03/22/2006 | CN1246644C Heat supply and hot water supply system using fuel cell as heat source |
| 03/22/2006 | CN1246643C Apparatus and method for combined generation of heat and electricity |
| 02/23/2006 | DE102004038768A1 Wärmeversorgungsanlage mit mindestens zwei Wärmeerzeugern für eine Heizungsanlage und einer Einrichtung zur Warmwassererzeugung und Verfahren zur verbrauchsabhängigen Steuerung der Wärmeerzeuger Heat supply system with at least two heat generators for a heating system and a device for producing hot water and methods of usage-dependent control of the heat generator |
| 01/25/2006 | EP1619445A1 Wall-hung sealed combustion boiler with external economiser device |
| 01/18/2006 | CN1721771A Cogeneration system and energy supply system |
| 01/10/2006 | CA2225915C Process and device for dosing the thermal output of combined heat and power generation systems |
| 12/29/2005 | US20050284946 Cogeneration system and energy supply system |
| 12/21/2005 | EP1607687A2 Improvements in and relating to heating systems and water heating apparatus for such systems |
| 12/01/2005 | DE10341002B4 Verrohrungssystem Piping system |
| 11/24/2005 | DE102004020611A1 Heiz- und Kühleinrichtung Heating and cooling device |
| 11/23/2005 | CN2742320Y 光能采暖装置 Light heating device |
| 11/10/2005 | WO2005106339A1 System and method for hydronic space heating with electrical power generation |
| 11/10/2005 | DE102004020516A1 Thermal heating body generator for central heating heats room indirectly through thermoelectricity and simultaneously generates thermoelectricity |
| 11/02/2005 | EP1591728A2 Heating and/or cooling installation |
| 10/20/2005 | US20050230491 Multi-stage boiler system control methods and devices |
| 10/20/2005 | US20050230490 Multi-stage boiler staging and modulation control methods and controllers |
| 10/13/2005 | US20050224073 Fireplace augmented chimney heat exchange system |
| 09/22/2005 | DE102004008798A1 Boiler plant has one or more radiative draws that are positioned at the same height as knocking arrangements for removal of deposits from the boiler pipes |
| 09/21/2005 | CN2727584Y Household coal heat warm air blower |
| 09/01/2005 | US20050193412 Potable water heater and method of using same |
| 08/25/2005 | WO2005078358A1 Mutually convertible boiler between normal type and condensing type |
| 08/10/2005 | EP1562000A1 Recovering of waste heat of fumes of a heat generator |
| 07/28/2005 | US20050161521 System and method for hydronic space heating with electrical power generation |
| 07/27/2005 | EP1557618A2 Air condtioning system for a room |
| 07/14/2005 | US20050150650 Heat pump control system and method of operating to provide automatic backup heating modes |
| 06/29/2005 | CN1632384A Optical fiber type solar energy light absorption floor heating system |
| 06/23/2005 | DE202005004137U1 Dual material boiler system for central heating with several heating boilers has buffer storage device hydraulically connected so loads can be hydraulically connected to first or second heat exchanger or to both |
| 06/22/2005 | EP1544551A2 Heat exchange device particularly for heating systems |
| 06/16/2005 | DE102004023026A1 Gas-water heat exchanger for providing hot water in building consists of pipe wound in double spiral coil round flue rising vertically from combustion chamber of fire |
| 06/15/2005 | CN2704775Y Multifunctional heater with composite heating resources |
| 05/12/2005 | US20050100851 Fuel cell system for generating electric energy and heat |
| 05/03/2005 | US6887607 Fuel cell system for generating electric energy and heat |
| 05/03/2005 | US6886626 Chimney heat exchange system |
| 04/27/2005 | EP1526338A1 Heat supply unit with at least two heat generators and a device for producing hot water and method for controlling the heat generators depending on the consumption |
| 04/06/2005 | CN1603695A Independent heating and heat supply device utilizing solar energy and wind energy |
| 04/05/2005 | US6874693 Method and apparatus for controlling a multi-source heating system |
| 02/23/2005 | CN1585884A A heat exchanger, combination with heat exchanger and method of manufacturing the heat exchanger |
| 02/17/2005 | DE10349258B3 Heat supply plant for heating system has two heat creators in series, one for heating, other for hot water |
| 02/12/2005 | CA2439147A1 Rac heating |
| 02/10/2005 | DE10213130B4 Umrüstung einer konventionellen Niedertemperaturheizkesselanlage zu einer modernen, wirkungsgradoptimierten Mehrkesselbrennwertanlage Conversion of a conventional low-temperature boiler system to a modern, efficiency-optimized multi-boiler condensing boiler |
| 11/25/2004 | DE10318263A1 Small heater for heating water, includes heater water tank which can accumulate up to 2 liters of water such that heated water in tank can be supplied to room heater via return pipe |
| 10/21/2004 | US20040206485 External flue heat exchangers |
| 09/28/2004 | US6796250 Waste water recovery and utilization system |
| 09/08/2004 | EP1454107A1 A heat exchanger, combination with heat exchanger and method of manufacturing the heat exchanger |
| 07/22/2004 | US20040140081 Chimney heat exchange system |
| 06/24/2004 | US20040118933 Method and apparatus for controlling a multi-source heating system |
| 06/15/2004 | US6749014 External flue heat exchangers |
| 05/13/2004 | DE10341002A1 Pipe connection system for cascade heating unit has a modular design corresponding to the number of boilers |
| 05/12/2004 | CN1495951A Space heating system with fuel cell and connecting wire to public electric network |
| 05/04/2004 | US6729390 Control for heat pump with auxiliary heat source |
| 04/14/2004 | EP1407200A2 Potable water heater and method of using same |
| 03/30/2004 | CA2059158C Electric thermal storage heat pump booster |
| 03/10/2004 | EP1396896A1 Grid-connected fuel cell system for providing heat and electrical power |
| 03/04/2004 | US20040043268 Space heating system with fuel cells and a connection to a public electrical network |
| 02/25/2004 | EP1391663A1 Device for heating water |
| 02/19/2004 | US20040031858 Potable water heater and method of using same |
| 02/11/2004 | CN1474098A Heat supply and hot water supply system using fuel cell as heat source |
| 01/08/2004 | DE10213130A1 Umrüstung einer konventionellen Niedertemperaturheizkesselanlage zu einer modernen, wirkungsgradoptimierten Mehrkesselbrennwertanlage Conversion of a conventional low-temperature boiler system to a modern, efficiency-optimized multi-boiler condensing boiler |
| 01/06/2004 | US6672255 Flue gas energy transfer system |
| 12/24/2003 | DE20212916U1 Regulating unit for heating systems has feed connected flow-wise behind main pump via jet pump regulator to return of subject heat generator, and jet pump regulator is connected to return from consumer via third connection |
| 12/18/2003 | US20030230633 Heating system |
| 12/17/2003 | EP1370812A2 Heating apparatus |
| 12/17/2003 | EP1108187B1 Method and apparatus for the reduction of pollutant emissions of small heating systems |
| 12/11/2003 | US20030226904 Potable water heater and method of using same |
| 11/06/2003 | DE20313269U1 Heat supply plant has heat and power coupled plant which undertakes covering of hot water base load of consumer connected via hot water, and has boiler plant which undertakes covering of hot water peak load of this consumer |
| 10/30/2003 | WO2003090001A1 Heating system |
| 10/30/2003 | CA2523491A1 Heating system |
| 10/09/2003 | WO2001092789A3 Heating apparatus |
| 07/31/2003 | WO2003062716A1 Auto energy saving waterheater of various or ranges |
| 06/18/2003 | EP1319899A2 Method for optimizing a cogenerating system with a fuel cell |
| 05/20/2003 | US6564755 Preheating assembly for hot water system |
| 05/15/2003 | WO2003040641A1 A heat exchanger, combination with heat exchanger and method of manufacturing the heat exchanger |
| 05/15/2003 | DE20301319U1 Heating unit combines oil furnace with flue, and electrical night storage heating system |
| 05/15/2003 | CA2466564A1 A heat exchanger, combination with heat exchanger and method of manufacturing the heat exchanger |
| 05/08/2003 | DE10206867C1 Supplying heat with hot water and hot air involves heat-force coupling system supplying basic hot water load and boiler system supplying peak load |
| 05/01/2003 | WO2003008876A3 Potable water heater and method of using same |
| 03/27/2003 | US20030056944 External flue heat exchangers |
| 03/20/2003 | DE10145066C1 Multiple boiler plant operating process involves periodic reporting from all boilers of how many hours they have been in service |
| 02/20/2003 | DE20215817U1 Multiple function electro-diesel heat pump for hot water supply to house and heating and cooling rooms is installed in concrete box outside house and has heat exchanger in ground |
| 02/20/2003 | DE20214748U1 Emergency secondary heating system for dwelling has automatic regulation system |
| 01/30/2003 | WO2003008876A2 Potable water heater and method of using same |
| 01/30/2003 | CA2734735A1 Potable water heater and method of using same |
| 01/16/2003 | US20030010835 Potable water heater and method of using same |
| 10/29/2002 | US6470835 Plate-type heat exchanger for exhaust gas heat recovery |
| 09/26/2002 | DE10110024A1 Fluid heating device using exhaust heat, e.g. refuse incinerators has adjusting device to vary exhaust gas volume passing through eat exchanger during operation |
| 06/27/2002 | DE10039581A1 Switching system between heat pump and other energy generators has boiler connected via mixer with weather-dependent regulation to buffer reservoir, time switch for day-night modes |
| 05/23/2002 | US20020060065 External flue heat exchangers |
| 04/09/2002 | US6367703 Heat recovery system |
| 03/19/2002 | US6357396 Plate type heat exchanger for exhaust gas heat recovery |
| 03/06/2002 | EP1184627A1 Gas feed-through comprising an indoor heat exchange associated with a heat pump |
| 02/12/2002 | US6345769 Water heating apparatus with sensible and latent heat recovery |
| 01/31/2002 | DE10034485A1 Warm air heating system for dwelling uses part of the vented air to supply the heating burner |
| 12/20/2001 | DE10029654A1 Control for a dual heating system determines the optimum operation using a fossil fuel or solar energy according to current conditions |
| 12/15/2001 | CA2350299A1 Plate type heat exchanger for exhaust gas heat recovery |
| 12/06/2001 | WO2001092789A2 Heating apparatus |
| 12/06/2001 | US20010048032 Water heating apparatus with sensible and latent heat recovery |