| Patents for F24D 12 - Other central heating systems (923) |
|---|
| 09/11/1991 | EP0445310A1 Method and device for in-temperature regulation of a multi-boiler heating system |
| 08/27/1991 | US5042431 Multiple boiler control system and method of operation |
| 07/18/1991 | DE4000997A1 Compressor and boiler system - consists of two independent crankshaft driven compressors heating water in boiler drum |
| 06/26/1991 | EP0434395A1 Condensing economisers |
| 05/30/1991 | WO1991007623A1 An apparatus for flue gas purification and heat recovery |
| 04/18/1991 | DE3933957A1 Water heating boiler with combustion chamber and heat exchanger - has condensation helix attached to exhaust outlet and condensation collecting chamber |
| 02/27/1991 | CN2072203U Full-closed combined hot-pipe heating system |
| 02/06/1991 | WO1991002198A1 Heating apparatus and method |
| 02/06/1991 | CA2064713A1 Heating apparatus and method |
| 11/27/1990 | WO1990014556A1 Universal liquids heat transfer economizer |
| 10/30/1990 | US4966127 Method and apparatus for saving energy in direct fired boilers |
| 10/17/1990 | CN2064028U Convection radiation combustion heating apparatus |
| 05/29/1990 | US4928751 Computer controlled waste heat reclaimer |
| 11/08/1989 | EP0341185A2 Water heaters and boilers for central heating combustion gases |
| 08/30/1989 | EP0330648A2 Heating installation with at least one heating device for a heat carrier agent |
| 08/02/1989 | CN2042166U Simple domestic energy-saving pollutionless heater |
| 06/20/1989 | US4840228 Heat exchanger having metal wire screens, and method of making stack of screens therefor |
| 04/18/1989 | CA1252852A1 Process for the modification of an existing heating installation, and device for use in said process |
| 01/26/1989 | DE3823955A1 Method for recovering heat from the waste gases of a burner-heated heating appliance and device for carrying out this method |
| 01/12/1989 | DE3721454A1 Heating plant |
| 12/01/1988 | EP0281556A4 Heating system using a liquid heater as the source of heat. |
| 12/01/1988 | DE3733989C1 Arrangement for recovering heat in heating boilers |
| 11/17/1988 | DE3714822A1 Device for heating and simultaneous utilisation of the sensible and latent heat in the flue gas from fuels, the difference between whose gross and net calorific value is at least 3% |
| 09/14/1988 | EP0281556A1 Heating system using a liquid heater as the source of heat |
| 07/28/1988 | DE3744599A1 Installation for the decentralised supply to inhabitable buildings and waste disposal from these |
| 07/14/1988 | DE3700103A1 Device for saving energy in oil/gas boilers |
| 05/11/1988 | DE3638361A1 Heating device |
| 04/26/1988 | CA1235615A1 Furnace heat exchanger |
| 04/21/1988 | DE3632658A1 Heating system with a drive device |
| 04/07/1988 | WO1988002461A1 Heating system using a liquid heater as the source of heat |
| 01/12/1988 | CA1231414A1 Method and apparatus for regulating a heating installation in premises including a plurality of heat generators |
| 11/11/1987 | EP0245184A1 Process and installation for central heating using two sources of energy |
| 09/29/1987 | US4696427 Method of transforming a pre-existing heat installation, and control device for implementing the method |
| 07/22/1987 | EP0128198B1 Combustion product condensing water heater |
| 07/15/1987 | EP0228569A1 Apparatus for recuperating waste heat and cleaning smoke gases |
| 01/20/1987 | US4637349 Boiler cycling controller |
| 01/06/1987 | US4633821 Liquid heating apparatus |
| 11/18/1986 | CA1214084A1 Combustion product condensing water heater |
| 10/15/1986 | EP0197836A1 Process for the conversion of an existing heating installation and control unit for carrying out the process |
| 09/03/1986 | EP0193482A1 Central control, especially for a dual-energy heater or for any other central-heating means with a stockable combustible having several operating modes |
| 09/03/1986 | EP0192862A1 Furnace heat exchanger |
| 08/19/1986 | US4606399 Heat recovery system with combustion gas accelerator |
| 06/18/1986 | EP0184887A1 Ventilation unit for buildings, especially for draught-free dwellings |
| 05/14/1986 | EP0180575A1 Process for recovering lost heat from combustion gases |
| 04/22/1986 | US4583494 Heat recovery apparatus and heat recovery method |
| 11/13/1985 | EP0160812A2 Process and device for purifying flue gases in combustion plants |
| 10/24/1985 | WO1985004596A1 Process for recovering lost heat from combustion gases |
| 09/24/1985 | US4542849 Method and apparatus for regulating a heating installation in premises including a plurality of heat generators |
| 08/13/1985 | US4534321 Apparatus for controlling a number of boilers |
| 07/17/1985 | EP0148700A2 Method and device to control a space heating installation, comprising a plurality of heat generators |
| 06/25/1985 | CA1189597A1 Apparatus for controlling a number of boilers |
| 04/23/1985 | US4512288 Hear recovery system |
| 03/05/1985 | US4503337 Power supply system for heat and electricity |
| 03/05/1985 | US4502626 Combustion product condensing water heater |
| 01/23/1985 | EP0131962A2 Heat exchanger |
| 01/16/1985 | EP0131438A2 Boiler cycling controller |
| 12/19/1984 | EP0128198A1 Combustion product condensing water heater. |
| 12/12/1984 | EP0127939A2 High efficiency boiler |
| 12/04/1984 | US4485746 Energy recovery system for an incinerator |
| 11/28/1984 | EP0126571A2 Heat exchanger |
| 09/11/1984 | US4470542 Single closed loop fireplace home heating system |
| 07/31/1984 | US4462542 Heating system |
| 07/17/1984 | US4460334 Recuperator |
| 06/21/1984 | WO1984002387A1 Combustion product condensing water heater |
| 05/16/1984 | EP0108699A1 Process and installation for bi-energetic central heating |
| 05/09/1984 | EP0107774A1 Heating control system |
| 02/07/1984 | US4429661 Heat recovery apparatus and method |
| 01/18/1984 | EP0098272A1 A heating system with a condensing boiler |
| 01/10/1984 | US4424797 For heating a liquid |
| 11/01/1983 | US4412526 Water tempering system |
| 09/27/1983 | US4406402 Flue heat recovery system |
| 09/14/1983 | EP0088358A1 Control system for a hot-water heating device |
| 09/13/1983 | US4403572 Combustion product condensing water heater |
| 08/31/1983 | EP0086927A2 An apparatus for controlling a number of boilers |
| 08/10/1983 | EP0085475A1 Hot water installation |
| 07/21/1983 | WO1983002493A1 A heating system with a condensing boiler |
| 07/20/1983 | EP0083726A1 Installation for air heating |
| 04/12/1983 | US4379447 Heat saver for household heaters |
| 02/15/1983 | US4373473 Heat recuperating water heating system |
| 02/01/1983 | US4371111 Home heating system employing water heater as heating source |
| 12/28/1982 | US4365742 Heating system |
| 09/29/1982 | EP0061410A1 Process for bi-energetic heating, and installation therefor |
| 09/28/1982 | US4351276 Heat recovery device for boilers |
| 09/15/1982 | EP0059898A2 Method for using a hot water central heating system with a separated flue gas heat exchanger |
| 08/17/1982 | US4344568 Closed-loop heat-reclaiming system |
| 08/03/1982 | US4342422 Heating and cooling system using frictional air heating |
| 07/06/1982 | US4337893 Multi-phase modular comfort controlled heating system |
| 06/29/1982 | US4336905 Heat recovery system |
| 06/15/1982 | US4334518 Heating system |
| 05/18/1982 | US4330083 Home heating system |
| 05/04/1982 | US4327670 Waste heat recovery unit |
| 05/04/1982 | CA1122970A1 Heat recuperating water heating system |
| 01/20/1982 | EP0044092A1 Heat-recovery device for an open fireplace |
| 12/09/1981 | EP0041091A1 Stack exhaust heat recycling system |
| 11/10/1981 | US4299178 Furnace and heat storage assembly |
| 11/10/1981 | CA1112116A1 Flue gas heat recovery system |
| 09/30/1981 | EP0036565A1 Waste-heat recovery apparatus for boilers |
| 07/01/1981 | EP0030982A1 Process and device for heat recovery from the flue gas of central-heating plants and for the purification of the flue gases |
| 03/31/1981 | US4258878 Flue gas heat recovery system |
| 11/18/1980 | US4233958 Climate-controlled building construction |