Patents for F23L 17 - Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues (1,376)
06/1998
06/09/1998US5762062 Fireplace vent
04/1998
04/08/1998EP0834697A1 Static extractor for ventilation or fume duct
04/08/1998CN2278161Y Fume exhauster for heatable brick bed
02/1998
02/26/1998DE19714531A1 Rotary blade axial exhaust ventilator for chimneys etc.
02/12/1998DE19710421A1 Holder for chimney cover plate
02/10/1998US5715808 Direct vent fireplace
01/1998
01/28/1998CN2273377Y Hand-operated fireproof hood for chimney
01/14/1998CN2272529Y Burner for boiler capable of automatic water-supplying agent-adding and inducing drauft
11/1997
11/26/1997EP0809074A1 Ice-free discharge structure
11/05/1997EP0805307A1 Combustion system and combustion furnace
10/1997
10/28/1997US5680856 Discharge structure for closed gas appliances
10/15/1997EP0801266A2 Cowl for chimney of a heating plant
10/07/1997CA2099227C Standing pilot furnace with vented vestibule
09/1997
09/23/1997US5669811 Modular devices for the extraction of fumes
09/16/1997CA2073077C Power blower ventilated hot gas water heater assembly with ambient air mixing means
06/1997
06/10/1997US5636598 Induced draft combustion water heater
05/1997
05/29/1997WO1997019295A1 Combustion system and combustion furnace
05/07/1997EP0772003A1 Device for drawing off a gas through a conduit for venting it
04/1997
04/17/1997DE19624369A1 Chimney top with heat insulation around smoke tube
04/15/1997US5620302 Dynamic condensate evacuator for high efficiency gas furnaces
03/1997
03/18/1997US5611330 Induced draft fryer
03/12/1997EP0762055A1 Forced draught gas-oil heater control device
03/12/1997EP0762054A1 Pressure ring for roof duct
03/12/1997EP0762052A1 Pebble bed furnace
03/12/1997EP0663991B1 Waste incineration apparatus and plant
03/11/1997US5609522 Combination damper and chimney cap apparatus
03/05/1997CN2248828Y Lifting or lowering type chimney
03/04/1997US5606768 Emissions collection and venting system for van-mounted cleaning apparatus
02/1997
02/27/1997DE19633755A1 Pellet-fired solid fuel stove
02/09/1997CA2155598A1 Direct vent fireplace
01/1997
01/15/1997EP0753703A2 Cowl
01/07/1997US5590610 Waste burning boiler
01/02/1997EP0751348A1 Device for reducing the visibility of a cloud of smoke from a chimney
12/1996
12/20/1996CA2152127A1 Emissions collection and venting system for van-mounted cleaning apparatus
11/1996
11/20/1996CN2240673Y Jetting type inducing drauft machine
11/19/1996US5575273 Balanced flue outdoor water heater
11/05/1996US5571045 Assemblable turbine air pump
11/05/1996US5570681 Residential boiler/furnace with the intermediate water circuit
10/1996
10/08/1996US5562088 Termination device for horizontal direct vent gas fireplaces or the like
10/03/1996WO1996030699A1 Pebble bed furnace
10/01/1996US5560756 Chimney smoke scrubber
09/1996
09/18/1996EP0732543A2 Gas burner
09/17/1996US5556329 Chimney damper with locking mechanism
08/1996
08/29/1996DE19506989A1 Chimney pot with integral smoke fume cleaning
08/29/1996CA2169877A1 Balanced flue outdoor water heater
08/08/1996DE19503229A1 Chimney stack section reducer
07/1996
07/11/1996DE4447143A1 Fuel gas chimney with jacket flue section
07/09/1996US5533495 Balanced flue outdoor water heater
06/1996
06/04/1996US5522327 Balanced pressure solid fuel heating unit
03/1996
03/07/1996WO1996007030A1 Fluid flow device
01/1996
01/09/1996CA2083780C Combination pressure and temperature limit control for a fuel-fired, forced draft heating appliance combustion product exhaust system
12/1995
12/13/1995CN2214840Y Dust-removing cover for chimney
12/07/1995DE4419604A1 Chimney with rain collector for silencers, gas turbines and recuperators
11/1995
11/30/1995DE19519073A1 Exhaust gas and combustion air outlet and infeed pipeline connection
11/15/1995CN1111746A Improved unit which can be assembled to forming smoke removing and ventilating apparatus of various location
11/02/1995EP0679841A1 Assembly of air supply pipe and/or flue gas discharge pipe for connection to a furnace
11/02/1995DE4437438A1 Combined wind-driven generator and room ventilator
10/1995
10/24/1995US5460162 Fireplace ventilation system
09/1995
09/19/1995US5451183 Furnace breathing filter
09/12/1995CA2077126C High efficiency induced draft condensing furnace with horizontal plastic vent termination assembly
08/1995
08/22/1995US5443040 Pipestill heater and method for controlling combustion in pipestill heater
07/1995
07/26/1995EP0663991A1 Waste incineration apparatus and plant.
07/12/1995EP0662587A2 Top for chimney or ventilating shaft
07/05/1995EP0661497A2 Pipestill heater and method for controlling combustion in pipestill heater
06/1995
06/28/1995CN2202210Y Dust-removing draught fan for boilers
06/28/1995CN1029090C Treatment of waste and rotary kiln therefor
06/08/1995DE4340945A1 Combined installation of coal fired boiler, gas turbine, and installation components
06/01/1995WO1995014887A1 Balanced device with separated channel for inlet and exit gas
05/1995
05/31/1995EP0655579A1 Burner appliance
05/31/1995CN2199441Y Shaft jointed draught fan with cooling structure
05/25/1995CA2136479A1 Discharge structure for closed gas appliances
05/24/1995EP0654638A1 Discharge structure for closed gas appliances
05/04/1995DE4336597A1 Smoke-extraction device
03/1995
03/16/1995DE4410437A1 Prefabricated chimney
03/08/1995EP0641973A1 Device for gaseous fluid removal
03/08/1995EP0641972A1 Static dynamic device for gaseous fluid removal
03/07/1995US5395408 Chimney smoke scrubber
02/1995
02/08/1995EP0637719A2 Exterior wall connection box
01/1995
01/18/1995EP0634610A1 Combined burner air supply and combustion gas discharge system
12/1994
12/27/1994US5375651 Draft inducer blower motor mounting and cooling construction
11/1994
11/03/1994DE4314121A1 Chimney attachment for discharging, in particular, flue gases
11/01/1994US5359945 Balanced pressure solid fuel heating unit
10/1994
10/04/1994US5352099 Exhaust fan for water heater
09/1994
09/28/1994EP0617233A1 Incinerator with auxiliary gas evacuation system
09/21/1994CN2177883Y Double-driving air-inducing device
08/1994
08/17/1994EP0610526A1 Exterior wall connection box for the combustion air- and exhaust gas channels of an appliance with a burner
08/17/1994CN2174640Y Combined dust exhausting and inducing draught apparatus for boiler
07/1994
07/12/1994US5328354 Incinerator with auxiliary gas evacuation system
07/05/1994US5326313 Wind-actuated turbine ventilator
05/1994
05/11/1994EP0278980B1 Process and device for optimising energy output in heating installations, reducing the pollutants generated and cleaning flue gases
04/1994
04/28/1994WO1994009318A1 Waste incineration apparatus and plant
03/1994
03/15/1994US5293860 Standing pilot furnace with vented vestibule
03/09/1994CN2158502Y Arrangement for easy passing flue to out side
02/1994
02/24/1994DE4325372A1 Ventilating head form as roof ventilator moved by wind - comprises pipe bend with wind plate, pipe extension narrowing over ventilation and small cylinder
02/08/1994USRE34534 Direct power vented water heater
02/01/1994US5282456 High efficiency fuel fired induced draft condensing furnace with horizontal plastic vent termination assembly
01/1994
01/20/1994DE4226890A1 Nozzle in chimney top - accelerates gases leaving chimney and acts as noise damper using perforated nozzle lining filled with sound-damping material
01/19/1994EP0290488B1 Treatment of waste and a rotary kiln therefor
12/1993
12/16/1993DE4219113A1 Discharger for gas from fossil fuel burning heaters - has fresh air suction fan allocated to flue gas tube for fresh air admixture
12/15/1993EP0562026A4 Balanced pressure solid fuel heating unit
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