| Patents for F23J 13 - Fittings for chimneys or flues (2,444) |
|---|
| 10/06/1987 | US4697500 Adjustable chimney cap support |
| 09/12/1987 | CN86204168U Waste heat reclaimer for household coal-burning stove |
| 09/08/1987 | US4691624 Chimney flue cover |
| 08/20/1987 | DE3604695A1 Waste-gas chimney with resonator/absorber sound damper arranged therein |
| 08/13/1987 | DE3703915A1 Closable inspection opening |
| 07/21/1987 | US4681086 For monitoring the chimney while exhaust gases are exiting through the flue |
| 07/21/1987 | US4681025 Chimney stack having erodable liner with electrical generating capacity |
| 06/09/1987 | US4671171 Aerodynamically operated rain cap |
| 05/26/1987 | US4667582 Dynamically balanced exhaust pipe cap |
| 05/19/1987 | US4666189 Prefabricated multi-wall chimney |
| 05/12/1987 | US4664618 Recuperative furnace wall |
| 04/23/1987 | DE3536156A1 Prefabricated pipe element, in particular for chimneys |
| 04/08/1987 | CN86201155U Wing-shape shade and pipe for energy-saving domestic heating stoves |
| 04/07/1987 | CA1220091A1 Furnace by combustion of pulverized coal |
| 04/02/1987 | DE3533969A1 Chimney top |
| 04/01/1987 | CN86203192U Smoke exhaust additive unit for domestic coal stove |
| 03/12/1987 | DE3530859A1 Chimney of multi-shelled construction |
| 02/03/1987 | US4640232 Device for evacuating into the ambient air combustion products from a condensation boiler |
| 01/15/1987 | DE3523586A1 Heating boiler for liquid or gaseous fuels |
| 10/14/1986 | US4616457 Enhanced safety flue construction |
| 09/23/1986 | US4612908 Viewing instrument for chimney |
| 09/02/1986 | US4608963 Thermally balanced air flow chimney |
| 08/27/1986 | EP0191910A1 Ceramic fire tube for a radiant heating cover tube of an industrial burner |
| 08/26/1986 | US4607665 Conduit for conveying and isolating a fluid flow |
| 08/26/1986 | CA1210268A1 Chimney cap |
| 08/20/1986 | EP0191343A2 Centering sleeve to fit chimney stacks |
| 08/13/1986 | EP0190394A2 Installation unit with an exhaust gas pipe and a fresh-air pipe |
| 08/13/1986 | EP0190290A1 Recuperative furnace wall |
| 08/05/1986 | US4603680 Furnace inducer outlet box assembly |
| 06/18/1986 | EP0184612A1 Heat exchanger, especially for gas or oil fired water heaters |
| 06/04/1986 | EP0183090A1 Chimney connection for a flue gas pipe |
| 06/03/1986 | US4592336 Chimney coupling for a flue gas pipe |
| 04/29/1986 | US4584986 Positive interconnect system for fireplace inserts |
| 04/08/1986 | US4580488 Weather caps for exhaust pipes |
| 03/12/1986 | EP0173680A1 Chimney |
| 03/04/1986 | US4573400 Aluminosilicates |
| 02/27/1986 | WO1986001279A1 Recuperative furnace wall |
| 02/26/1986 | EP0172241A1 A heating system |
| 02/19/1986 | EP0171504A2 Water heater construction and method of heating water |
| 01/07/1986 | CA1198873A1 Insulated chimney assembly |
| 12/11/1985 | EP0163762A1 Preformed chimney pipe element |
| 12/10/1985 | US4557297 Flue gas duct assembly |
| 11/13/1985 | EP0160890A2 Smoke conduit affixable to a framework |
| 10/29/1985 | US4549473 Chimney cap |
| 10/08/1985 | US4545293 Multiple-casing chimney |
| 10/01/1985 | US4543942 Insulated flue assembly |
| 09/12/1985 | WO1985003993A1 Chimney |
| 09/10/1985 | CA1193201A1 Silencer unit |
| 08/29/1985 | WO1985003763A1 A heating system |
| 08/20/1985 | US4535686 Chimney cap |
| 08/13/1985 | US4534280 Chimney cap |
| 08/06/1985 | US4532915 Gas tight chimney access door and shield for use therewith and chimney assemblies employing same |
| 07/16/1985 | US4528897 For a fireplace |
| 07/03/1985 | EP0146940A2 Temperature gradients subjected metallic flue for a boiler |
| 07/02/1985 | US4526160 Apparatus for controlling flow of combustion products |
| 06/12/1985 | EP0144254A1 Flue gas exhausting device for a condensing boiler |
| 06/11/1985 | US4522191 Non-pull apart telescoping roof jack assembly for furnace |
| 04/23/1985 | US4512264 Induced stack draft apparatus |
| 04/17/1985 | EP0137363A1 Chimney with a lateral orifice in the chimney wall |
| 03/05/1985 | US4502370 Insulated chimney assembly |
| 02/05/1985 | US4497439 For use with a chimney and a furnace |
| 12/18/1984 | CA1179610A1 Heat-insulating pipe element |
| 11/20/1984 | US4483315 Fireplace chimney cap and damper combination |
| 11/13/1984 | US4481935 Flue pipe connection |
| 11/07/1984 | EP0123834A1 Prefabricated interior element for a chimney made of fire brick, concrete or the like |
| 10/16/1984 | US4477246 Silencer unit |
| 09/12/1984 | EP0118415A1 Relief chimney closure |
| 08/28/1984 | US4467863 Flue gas duct assembly |
| 08/21/1984 | US4466340 Chimney assembly |
| 08/21/1984 | CA1172895A1 Energy saving chimney cap assembly |
| 08/07/1984 | US4463748 Insulating apparatus for a flue thimble |
| 07/31/1984 | US4462618 Prefabricated double-walled metal chimney |
| 06/26/1984 | US4455996 Flue pipe safety apparatus |
| 05/15/1984 | US4448219 Heat-insulating pipe element |
| 04/03/1984 | US4440213 Recuperator with floating interior housing |
| 03/13/1984 | US4436021 Chimney cap |
| 03/06/1984 | US4434784 Viewing apparatus for a chimney |
| 02/15/1984 | EP0100692A1 Coupling for chimney pipes |
| 02/14/1984 | CA1162185A1 Recuperator with floating interior housing |
| 11/30/1983 | EP0095003A2 Heat recovery system for a furnace |
| 11/22/1983 | US4416254 Flue structure for domestic heating equipment |
| 11/22/1983 | US4416253 Apparatus for controlling flow of combustion products |
| 11/22/1983 | CA1157221A1 Apparatus for discharging exhaust gas at high velocity |
| 11/01/1983 | CA1156112A1 Heat extractor |
| 09/21/1983 | EP0089001A1 Silencer unit |
| 08/10/1983 | EP0085455A1 Heat-insulating pipe element |
| 08/02/1983 | CA1150927A1 Industrial chimneys |
| 07/05/1983 | US4391070 Chimney |
| 06/14/1983 | US4387628 Chimney seal |
| 05/17/1983 | US4383478 Rain cap with pivot support means |
| 05/17/1983 | CA1146333A1 Chimney |
| 04/26/1983 | US4380952 Cover assembly for vertical exhaust pipes |
| 04/19/1983 | US4380189 Industrial chimneys with forced draught |
| 03/01/1983 | CA1141933A1 Insulated chimney pipes |
| 01/18/1983 | US4368663 Chimney damper |
| 12/28/1982 | US4365543 Lining system for chimneys and ducts |
| 09/22/1982 | EP0060316A1 Prefabricated double-walled metal chimney |
| 09/14/1982 | US4348947 Self-cleaning chimney stack |
| 08/24/1982 | US4345528 Wood burning stove |
| 08/24/1982 | CA1130079A1 Corrosion resistant membrane for chimney liner |