| Patents for F23J 13 - Fittings for chimneys or flues (2,444) |
|---|
| 09/26/1990 | CN2062795U Full-sealing flue baffler |
| 09/20/1990 | DE3907701A1 Multi-part chamotte brick |
| 09/18/1990 | CA1274139A1 Self-adjusting telescoping concentric flue assembly |
| 09/13/1990 | DE3906743A1 Boiler for burning solid material |
| 09/05/1990 | CN2061652U Stovepipe for domestic use |
| 08/21/1990 | US4949703 Liquid heating apparatus of the pulse combustion type |
| 08/09/1990 | DE4002495A1 Neutralising acidic condensate in heat exchanger - by contact with alkaline-reacting metal oxide |
| 08/02/1990 | DE3902633A1 Covering device for a chimney opening |
| 07/17/1990 | US4941415 Municipal waste thermal oxidation system |
| 06/14/1990 | WO1990006469A1 Multiple walled chimney |
| 06/13/1990 | EP0372605A2 Corrosion protection for flue gas desulfurization installations |
| 06/03/1990 | CA2001479A1 Protection of flue gas desulfurizers against corrosion |
| 05/29/1990 | US4929000 Multiple walled chimney |
| 05/29/1990 | US4928664 Pulse combustion heating apparatus |
| 05/29/1990 | CA1269563A1 Chimney cap |
| 05/09/1990 | CN2056965U Anticorrosive and light combined chimney |
| 05/01/1990 | US4920867 Chimney screen |
| 04/25/1990 | CN2056500U Exhaust furnace cap |
| 03/20/1990 | US4909239 Fireplace power cap |
| 03/14/1990 | CN2054522U Chimney fire-blanking unit |
| 03/07/1990 | EP0356719A1 Construction element for the manufacture of a chimney flue of a multilayered chimney, and its applications |
| 02/28/1990 | EP0356360A1 Assembly equipment for a cast-iron door used for a heating apparatus |
| 02/07/1990 | EP0353663A1 Construction element made of sealing joints and individual pipes for a chimney flue of a multilayered chimney, and its applications |
| 02/07/1990 | EP0353658A1 Jointing of a chimney flue in a multilayered chimney, and its applications |
| 01/31/1990 | CN2052060U Wind chimney dredger |
| 01/23/1990 | CA1264622A1 Water heater construction and method of heating water |
| 12/27/1989 | EP0347701A1 Impervious pipe junction and method for its manufacture |
| 12/21/1989 | DE3820152A1 Multilayered corrugated pipe, in particular for lining chimneys |
| 12/20/1989 | EP0347099A2 Flue sealing and insulating system |
| 12/13/1989 | CN2049321U Smoke exhaust pipeline for coal stove |
| 12/07/1989 | DE3819086A1 Apparatus for the line conduction of power station flue gases |
| 12/06/1989 | EP0344730A1 Chimney cowl for prefabricated chimneys, particularly a cover plate therefor |
| 11/07/1989 | US4878481 Fireplace having chimney construction including cold air barrier |
| 10/11/1989 | EP0336867A1 Flexible metal conduit connection, especially insulated smoke pipe |
| 09/27/1989 | CN2045062U Fire-proof wind extinguisher |
| 09/27/1989 | CN2045061U Smoke extract wind-proof device |
| 09/26/1989 | CA1260786A1 Heating system |
| 09/20/1989 | CN2044686U Fireproof hood for stovepipe |
| 09/13/1989 | CN2044322U Coal saving smoke-eliminating boiler chamber with coal throwing device |
| 09/12/1989 | US4865013 Self-adjusting telescoping concentric flue assembly |
| 08/30/1989 | CN2043711U Ball-shape wind exhaust cover |
| 08/17/1989 | DE3803787A1 Arrangement of a condensate barrier in front of a cleaning door |
| 08/02/1989 | EP0326000A2 Chimney |
| 08/02/1989 | CN2042162U Backward-wind preventing device |
| 07/11/1989 | US4846147 Chimney liner system |
| 07/06/1989 | DE3744136A1 Chimney pipe for heating boilers |
| 07/05/1989 | CN1033684A Pipe with lined rubber of duct-extraction system in heat and power plant |
| 06/28/1989 | CN2040224U Energy-saving plastic chimney |
| 06/13/1989 | US4838243 Chimney cleanout tee cap lock |
| 06/07/1989 | EP0319485A1 Flexible pipe in particular for exhausting fume of residuum after combustion, such pipe being obtained by coupling together at least two walls |
| 06/01/1989 | DE3829858A1 Chimney attachment having a cover which can be pivoted upwards |
| 05/24/1989 | DE3738754A1 Lining for chimney walls |
| 04/18/1989 | US4821629 Dynamically balanced exhaust pipe cap |
| 04/12/1989 | CN2035848U Coal stove with liftable cage type grate |
| 04/06/1989 | DE3833175A1 Waste-gas line which can be connected to a chimney |
| 04/06/1989 | DE3732189A1 Chimney inlet connection |
| 03/29/1989 | EP0308681A1 Prefabricated internal tube element for a chimney |
| 03/22/1989 | CN2034654U Filter for smoke and dust |
| 03/22/1989 | CN2034636U Muffler for boiler chimney |
| 03/16/1989 | DE3735507C1 Pipe |
| 03/01/1989 | EP0304909A2 Chimney cowl |
| 02/22/1989 | EP0303989A2 Butt connection for two concentric-pipe lengths |
| 01/11/1989 | CN2030697U Reinforced heat-transfer structure |
| 01/05/1989 | DE3820872A1 Exhaust-air sleeve for ventilated chimneys |
| 01/03/1989 | CA1248005A1 Device for evacuating into the ambient air combustion products from a condensation boiler |
| 12/22/1988 | DE3718978A1 Arrangement for heat recovery and cleaning of flue gas |
| 12/21/1988 | EP0296125A2 Covering element for chimney, and associated cowl |
| 12/21/1988 | EP0296089A1 Means for realizing connecting covers or rings for fume-pipes |
| 12/21/1988 | CN88205604U Waste gas inducing cover for coal stove |
| 11/17/1988 | EP0290993A2 Pipe system for use as a chimney, chimney insert or the like |
| 11/01/1988 | US4781402 Metal chimney assembly |
| 10/19/1988 | CN87216535U Non-metal smokejack for ranges |
| 10/12/1988 | EP0286488A1 Air-tight flue element with double walls and heat insulation |
| 09/07/1988 | CN88212271U All direction suction type exhaust unit |
| 08/31/1988 | CN88210148U Chimney cap |
| 08/23/1988 | US4765308 Venting system with natural convection cooling |
| 08/17/1988 | EP0278270A2 Gas-fired water heater with a closed combustion chamber |
| 08/17/1988 | CN87215555U Return-smoke resisting stovepipe mouth |
| 08/10/1988 | CN87215021U Wind-proof chimney cover |
| 07/20/1988 | CN87210200U Augmentor for exhausting fume from chimney neck |
| 07/06/1988 | CN87216668U Chimney neck fire-proof cover |
| 06/29/1988 | CN87215990U Pneumatic domestic combustion-supporting apparatus |
| 06/16/1988 | DE3641351A1 Chimney head |
| 06/09/1988 | DE3641352A1 Cleaning closure for a chimney tube element |
| 05/10/1988 | US4742766 Dynamically balanced exhaust pipe cap |
| 05/10/1988 | EP0190290A4 Recuperative furnace wall. |
| 04/12/1988 | US4736730 Heating system |
| 04/07/1988 | DE3632890A1 Connection pipe piece for installation in fireclay walls |
| 03/22/1988 | US4732078 Chimney cap |
| 03/02/1988 | EP0257636A2 Top for ventilated multi-layered chimneys |
| 02/16/1988 | US4724750 Double-walled chimney |
| 01/28/1988 | DE3708970C1 Smoke gas line for carrying off the smoke gases produced in a pivotably mounted furnace |
| 01/19/1988 | US4720125 Expansion and length adjustment joint |
| 01/19/1988 | US4719901 Flue pipe installation through flammable walls |
| 12/15/1987 | US4712515 Device for evacuating into the ambient air combustion products from a condensation boiler |
| 12/10/1987 | DE3619157A1 Chimney |
| 11/25/1987 | CN87208458U Fixation type wind-entering potection chimney with pressure-reduction outlet |
| 11/18/1987 | CN87100700A Modified dual-purpose stove and its fittings |
| 11/12/1987 | DE3615822A1 Apparatus for heating water, in particular hot-water boiler |
| 10/08/1987 | DE3705432A1 Protective lining for the internal surfaces in flue gas desulphurisation plants |