Patents
Patents for F24B 5 - Combustion-air or flue-gas circulation in or around stoves or ranges (978)
10/1994
10/25/1994US5357941 Refractory baffle insert for fireplace
09/1994
09/29/1994DE4405555A1 Stove for solid fuels
09/22/1994DE4308847A1 Stove insert or stove
09/15/1994WO1994020795A1 A solid fuel heating device
09/15/1994WO1994020794A1 Masonry heater
09/15/1994CA2157396A1 A solid fuel heating device
08/1994
08/30/1994US5341794 Combustion device for stoves and fireplaces
08/18/1994DE4403636A1 Heating installation for solid fuels, in particular compact stove or fireplace insert
08/18/1994DE4403616A1 Secondary-air supply system for heating apparatuses
08/18/1994DE4403615A1 Distribution device for secondary air in a heating apparatus
08/17/1994CN2174647Y Multi-function hot-air air conditioning coal stove
08/02/1994US5333601 Masonry heater
07/1994
07/30/1994CA2088407A1 Control system for dual phase combustion devices
07/21/1994WO1994016271A1 Solid fuel heating devices and components for them
05/1994
05/04/1994CN2163956Y Double-fireduct cavity heating stove
05/04/1994CN2163955Y High-efficient self-preheating multi-purpose coal-saving stove
04/1994
04/27/1994CN2163317Y Automatic coal saving stove
03/1994
03/30/1994CN2160070Y High efficient power saving regulating and controlling return-wind stove
03/30/1994CN2160069Y Adjustable second wind civil coal stove
03/10/1994DE4229957A1 Combustion furnace with water jacket - has cooling chamber under combustion/ash chamber, with spatial connection between cooling and combustion chambers
02/1994
02/23/1994CN2157412Y Coal heating stove
01/1994
01/19/1994EP0579013A1 Heating stove
12/1993
12/22/1993CN2150467Y Multifunction energy-saving stove
11/1993
11/30/1993CA2008981C Solid fuel stove
11/24/1993CN2147434Y Double-wind channel domestic coal stove for warming
11/23/1993US5263471 Solid fuel clean burning zero clearance fireplace
11/16/1993CA2008980C Stove
11/10/1993CN2145930Y Top-blown back-burning coal kitchen range
11/03/1993CN2145328Y Inversed fire suppressed two-purpose furnace with warm and cooking
11/03/1993CN2145327Y Inversed water-hot furnace
10/1993
10/06/1993EP0563499A1 Wood gasification boiler
09/1993
09/30/1993WO1993019327A1 Secondary air addition to enhance combustion in semi-enclosed heating apparatus
09/08/1993EP0559619A1 Fireplace with primary and secondary air supply
08/1993
08/19/1993WO1993016331A1 Solid fuel stove
08/19/1993DE4204752A1 Ofen fuer feste brennstoffe Furnace for solid fuels
08/19/1993DE4204163A1 Open fireplace to burn solid fuels - has grate, surrounded by ring channel with combustion air passages
06/1993
06/30/1993CN2137330Y Fire-controlled efficient heater
06/16/1993CN2136398Y Civil three-purpose energy-saving hot-air stove
03/1993
03/17/1993CN2128349Y Domestic energy-saving heating stove with back-fire function
03/03/1993EP0530126A2 Woodburning stove with glass portion and means for the cleaning thereof
03/03/1993CN2127772Y Backfire water-heating stove
02/1993
02/24/1993CN2127466Y Blowing stove implement burning coal
01/1993
01/27/1993CN1068409A Smoke-eliminating precipitator reburning flue and relevent steam stove
12/1992
12/30/1992CN2126383U Multi-purpose coal stove with fully utilizing after-heat function
12/16/1992CN2125077U Honeycomb briquet heating stove with inner heat exchange device
12/02/1992CN2123698U Vertical two-way below-burning multifunction heating stove
11/1992
11/18/1992CN2122324U Civil cooking stove set using new coal
11/11/1992CN2121627U Square honeycomb coal stove
11/04/1992CN2120966U Reaction secondary air multipurpose stove and radiator
10/1992
10/22/1992DE4212565A1 Device for preheating secondary air in stove - comprises two hollow elements which fit around opening and in channel in combustion chamber cover
10/21/1992CN2119583U Energy saving radiator for household coal stove
10/21/1992CN2119582U Warming and cooking stove with cleaner
10/14/1992CN2118914U Double layer burning domestic stove
09/1992
09/30/1992CN2117539U High efficient multifunctional coal stove
09/16/1992CN1064540A Back-fire type high-efficiency water heating stove
09/03/1992WO1992014972A1 A solid fuel heating stove
09/02/1992CN2114770U Domestic high-efficient energy-saving multi-purpose stove
08/1992
08/20/1992DE4201740A1 Air inlet regulator for stove with secondary air channel - consists of horizontally moving pivoted damper which can cover inlet either partially or completely
08/20/1992DE4201738A1 Heating stove with air supply regulator - has secondary air system formed by opening in upper combustion chamber and air deflector on bottom
08/18/1992US5139008 Solid fuel burning stove with secondary air heat exchanger
08/12/1992CN2112762U Bedroom warming stove
07/1992
07/29/1992EP0496043A1 Heating stove for solid fuels
07/29/1992CN2111465U Combined secondary air humidified hot wind heating furnace
07/23/1992DE4101101A1 Tiled stove for burning solid fuel - has cavity wall section in back of combustion chamber into which air supply connections are fitted
07/15/1992CN2110152U Combined double-procedure and double return stroke household warm stove
07/08/1992CN2109506U Household coal stove for cooking and heating
07/08/1992CN2109501U High efficient power saving boiler
06/1992
06/17/1992CN2107601U Double stroke and return stroke energy-saving two-range coal heating stove
06/10/1992CN2106960U Multi-purpose coal-economizing stove
06/03/1992CN2106303U Full iron casting heat blast furnace
05/1992
05/20/1992CN2105003U Special synthetic liquefied gas cooker
05/19/1992US5113843 Combustion device for stoves and fireplaces
04/1992
04/15/1992EP0480870A1 Fireplace
03/1992
03/25/1992CN2099923U Oxidizing coal-saving heating stove
03/25/1992CN2099922U Honeycomb briquet stove capable of fully utilizing heat energy
03/19/1992DE4114490A1 Fireplace for heating room - has secondary combustion chamber in lower part ofchimney to ensure complete combustion of fuel
03/18/1992CN2099255U Domestic honeycomb briquet heating stove
02/1992
02/26/1992CN2097358U Air-preheating combustion-supporting device for coal stove
01/1992
01/15/1992CN2093321U Iron casting reversed flame multipurpose stove
01/08/1992EP0464293A1 Closed fire, stove or fireplace insert
01/08/1992CN2092688U Cooking stove with combustion supporting and dirt draining devices
12/1991
12/31/1991US5076258 Automatic food cooker with a tubular frame constituting hot and cold forced air conduits
12/24/1991US5074284 Fireplaces of the type with closed hearth and with visible combustion
12/18/1991CN2090932U Multifunctional cooking range with double fire-hoels
11/1991
11/26/1991CA1292398C Secondary combustion device for woodburning stove
11/13/1991EP0456594A1 Method to control the heating of wood burning ovens
11/07/1991DE4101704C1 Gasifier heating boiler - has combustion chamber with oxygen feed nozzle assembly and burner with back=up
11/07/1991DE4014284A1 Wood-burning stove structure - has inner wall of good thermal conductivity and outer wall of poor thermal conductivity
10/1991
10/16/1991CN2086859U Wing-stop door of heated brick bed
10/09/1991CN2086375U Horizontal coal stove
09/1991
09/26/1991DE4009316A1 Solid fuel boiler for tiled stove - has firebox lined with fire-resistant material which is perforated for flue
09/25/1991EP0448486A1 Fireplace with closed fire and with apparent combustion
09/24/1991CA2038990A1 Seethrough closedhearth type fire place
09/19/1991DE4007849A1 Furnace for burning solid fuel - has flow of primary and secondary air controlled independently of each other
09/18/1991CN2085043U Wall type honeycomb briquet warming device
09/11/1991CN2084568U High efficient honeycomb briquet stove
08/1991
08/28/1991CN2083706U Multi-function coal stove
08/28/1991CN2083705U Fully heated dual-water tank domestic heating stove
08/07/1991CN1053670A Warming oven with intensified heat circulation system
07/1991
07/24/1991CN2081496U Multi-functional combined energy-saving stove
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