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