| Patents for F24H 8 - Fluid heaters having heat-generating means specially adapted for extracting latent heat from flue gases by means of condensation (1,863) |
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| 03/14/1990 | EP0357840A1 Pressurized combustion chamber boiler provided with an inlet for secondary air |
| 02/13/1990 | US4899726 Furnace inducer outlet elbow |
| 02/07/1990 | EP0353528A1 Apparatus for evacuating and neutralising the condensates in a chimney operating at a low flue gas temperature |
| 02/07/1990 | CN1039478A Improvements to hot water production appliances |
| 01/30/1990 | US4896411 Method of making a multiple cell condensing heat exchanger |
| 01/10/1990 | EP0350388A1 Hot water generator |
| 01/09/1990 | US4892045 Condensate drain system |
| 11/29/1989 | EP0343937A1 Boilers |
| 11/16/1989 | DE3914746A1 Heat exchanger, in particular for burner-operated water heaters |
| 10/24/1989 | US4875465 High efficiency submersible chamber water heater |
| 09/26/1989 | CA1259865A1 Heat exchanger and application to a fluid heating apparatus, particularly a domestic hot water accumulator |
| 09/19/1989 | US4867673 Condensing furnace |
| 09/14/1989 | DE3806735A1 Heating installation |
| 08/29/1989 | US4860725 Power burner-fluid condensing mode furnace |
| 08/15/1989 | US4856550 Condensate trap on a condensing gas-fired furnace |
| 08/09/1989 | EP0326814A1 Radiating heater for heating liquids |
| 08/03/1989 | DE3801437A1 Heating boiler with pulsation burner |
| 08/01/1989 | US4852524 Gas fired water heater |
| 07/27/1989 | DE3800847A1 Boiler |
| 07/25/1989 | US4851515 Nitridotetrahalotechnetium compounds from pertechnetate, azide, hydrohalic acid |
| 07/19/1989 | EP0207106B1 Incident and/or translucent light microscope |
| 07/18/1989 | US4848277 Calorific value boiler |
| 06/22/1989 | DE3840982A1 Heat exchanger for a condensation water heater |
| 06/21/1989 | EP0321386A1 Sectional boiler |
| 06/07/1989 | EP0318907A1 Fired water heater |
| 06/06/1989 | CA1255168A1 Apparatus for heating water |
| 06/01/1989 | DE3839540A1 Method and apparatus for guaranteeing the condensation-free operating state of flue-gas draining systems |
| 04/26/1989 | EP0312689A1 Heater |
| 04/11/1989 | CA1252352A1 Heating boiler having a vertical burner tube |
| 04/05/1989 | EP0310188A1 Device for removing condensation from flue gases |
| 03/30/1989 | DE3730863A1 Apparatus for heating water |
| 03/02/1989 | DE3727372A1 Heating boiler or condensing boiler |
| 03/01/1989 | EP0304508A1 Oil or gas fired condensing boiler |
| 02/28/1989 | US4807588 Water permeable heat exchanger for condensing furnace |
| 01/24/1989 | US4799941 Cooling, humidifying |
| 01/03/1989 | US4795618 Heat exchanger |
| 01/03/1989 | CA1248005A1 Device for evacuating into the ambient air combustion products from a condensation boiler |
| 12/20/1988 | US4791887 Boiler with rotatable heat exchanger |
| 12/13/1988 | US4790268 Submersible chamber water heater |
| 12/06/1988 | CA1245920A1 Apparatus and method for burning a combustible gas |
| 11/15/1988 | US4784481 Transmitted and/or incident light microscope |
| 11/08/1988 | US4782815 Liquid-backed gas-fired heating system |
| 11/02/1988 | EP0288695A2 Condensing boiler and method for its operation |
| 10/25/1988 | US4779676 Condensing furnace |
| 10/13/1988 | DE3711313A1 Device for receiving, neutralising and diverting the condensate in a chimney |
| 10/11/1988 | CA1242953A1 Condensate discharge device for combustion apparatus |
| 09/28/1988 | EP0284142A1 Device for a building with provisions for the discharge of exhausted air, the supply of fresh air and the heating of the rooms of the building |
| 08/24/1988 | EP0279767A2 Integral liquid-backed gas-fired space heating and hot water system |
| 08/24/1988 | EP0279765A2 Liquid-backed gas-fired heating system |
| 08/17/1988 | EP0141825B1 Heat exchanger |
| 08/02/1988 | CA1239841A1 Method of producing hot air and hot water for sanitary purposes and apparatus for carrying out the said method |
| 07/28/1988 | DE3744599A1 Installation for the decentralised supply to inhabitable buildings and waste disposal from these |
| 07/28/1988 | DE3741798A1 Steel heating-boiler |
| 06/28/1988 | CA1238541A1 Exhaust venting apparatus |
| 06/23/1988 | DE3710542A1 Arrangement for collecting condensate at the lower end of a chimney |
| 06/21/1988 | US4751913 Apparatus for heating water |
| 06/15/1988 | EP0271434A2 Steel boiler |
| 06/14/1988 | US4750452 Water heater |
| 05/31/1988 | US4747447 Heat exchanger |
| 05/10/1988 | US4742800 Submersible chamber water heater |
| 04/27/1988 | EP0264907A2 Boiler for fluid fuels |
| 04/19/1988 | US4738394 Integral liquid-backed gas-fired space heating and hot water system |
| 04/06/1988 | EP0262274A1 Recuperator of heat from flue gases from different furnaces capable of cleaning these gases |
| 03/18/1988 | EP0220190A4 Water heater. |
| 03/15/1988 | US4730600 Condensing furnace |
| 03/08/1988 | US4729879 Production of nitrogen and carbon dioxide |
| 03/08/1988 | US4729328 Trap assembly for a condensing fossil fuel furnace |
| 02/23/1988 | US4726353 High condensing recuperative furnace |
| 02/03/1988 | EP0255257A2 Boiler |
| 01/19/1988 | CA1231606A1 Apparatus and method for removing recuperative condensate |
| 01/19/1988 | CA1231604A1 Apparatus for heating water |
| 01/07/1988 | EP0250874A2 Heater |
| 01/07/1988 | EP0250668A1 Fuel-fired burner |
| 01/07/1988 | EP0250604A1 Combustion system with circulation for heating and driving purposes |
| 12/17/1987 | DE3719387A1 Waste-gas and supply-air guidance for a combustion chamber |
| 12/15/1987 | US4712515 Device for evacuating into the ambient air combustion products from a condensation boiler |
| 12/08/1987 | CA1230025A1 Gas-fired condensing mode furnace |
| 11/12/1987 | DE3615822A1 Apparatus for heating water, in particular hot-water boiler |
| 11/12/1987 | DE3615805A1 Apparatus for heating water, in particular hot-water boiler |
| 11/11/1987 | EP0244724A2 Condensation receptacle to be placed at the bottom section of a chimney |
| 10/27/1987 | US4702226 Hot water tank water preheater |
| 10/13/1987 | US4699122 Storage water heater system |
| 09/22/1987 | US4694783 Multiple boiler heating system with improved venting and heat reclamation |
| 09/15/1987 | US4693233 Air preheater system |
| 08/12/1987 | EP0232230A2 Condensation boiler with conditioning of fumes |
| 08/12/1987 | EP0231962A1 Heater with tap water supply and a heat exchanger for such a heater |
| 08/11/1987 | US4685425 Submersible chamber water heater |
| 08/10/1987 | EP0197049A4 Air preheater for a compact boiler. |
| 08/05/1987 | EP0230594A2 Condensing boiler |
| 07/29/1987 | EP0230193A1 Heating system allowing steam enrichment of combustion air being fed to a heat source |
| 07/28/1987 | US4682579 Condensate overflow control for furnace |
| 07/23/1987 | DE3613517C1 Apparatus for heating water |
| 07/22/1987 | EP0128198B1 Combustion product condensing water heater |
| 07/21/1987 | US4681085 High condensing recuperative furnace |
| 07/16/1987 | DE3700443A1 Heat exchanger for heating furnaces, in particular for high-efficiency furnaces |
| 07/15/1987 | EP0228569A1 Apparatus for recuperating waste heat and cleaning smoke gases |
| 07/14/1987 | US4679528 Heating boiler having a vertical burner tube |
| 07/07/1987 | US4677939 Heat exchanger and application to a fluid heating apparatus, particularly a domestic hot water accumulator |
| 06/30/1987 | US4676199 High efficiency water heater construction |
| 06/24/1987 | EP0226534A1 Method of feeding a burner of a boiler with a combustible mixture |