| Patents for F23J 13 - Fittings for chimneys or flues (2,444) |
|---|
| 11/18/1993 | DE4316385A1 Chimney stack cover plate with smoke passage - contains heat insulating layer, surrounded on all sides by wall material |
| 11/16/1993 | US5261389 Power vent for hot flue gas |
| 11/10/1993 | CN2145920Y High efficient dustless assembled chimney |
| 11/10/1993 | CN1078303A Liquid heating apparatus |
| 11/03/1993 | EP0568286A1 Liquid heating apparatus |
| 10/20/1993 | EP0565886A1 Industrial chimney with acid protection device |
| 10/14/1993 | DE4312094A1 Condensate outlet component for flue gas conduit of heating boiler - comprises pipe piece and outlet connection with ring space formed by collar in area of inlet of outlet connection |
| 09/08/1993 | EP0399038B1 Multiple walled chimney |
| 08/18/1993 | CN2140474Y Heater using chimney waste heat |
| 07/29/1993 | DE4231760A1 Prefab. stainless steel tube for flue ducts etc. - has widened coupling end with snap fastening catches to lock tube sections together. |
| 07/28/1993 | EP0552691A1 Construction system for realizing double-walled chimneys as well as ducts for exhaust of gases and steam |
| 07/20/1993 | US5228882 Locking chimney cap |
| 06/30/1993 | EP0548219A1 Lining. |
| 06/24/1993 | WO1993012384A1 Fluoroelastomer lined flue ducts |
| 06/23/1993 | CN2136941Y Pipe saddle for chimney |
| 06/16/1993 | EP0546893A1 Segment/exhaust fume conduit with double push-in sleeve |
| 05/06/1993 | DE4226902C1 Lining or coating for fluid pipes - is made of fibre reinforced plastics with overlapping edge sections and flanges acting as spacers |
| 04/29/1993 | DE4235118A1 Clampable sleeve of metal for covering putty seams between chimney pipes - is formed as metal strip which has access apertures in its central section at distance from its edge position |
| 02/17/1993 | EP0527669A1 Insulated pipe for a chimney conduit |
| 01/28/1993 | DE4124925A1 Pipe joint for chimney insert flue pipes - joint allows variety of connections with little space requirement and which are demountable |
| 01/27/1993 | EP0524416A2 Industrial chimney with acid protection device |
| 01/14/1993 | DE4219840A1 Lock for chimney cleaning apertures - has spring lever with locking ends which are displaceable and engage in lateral recesses of chimney pipe |
| 01/14/1993 | DE4214828A1 Combustor chimney with brick cover - has cover bricks each having recesses distributed over upper cover surface for insertion of spacers |
| 01/13/1993 | EP0522410A1 Pipeline for conducting exhaust fumes in a house chimney in need of restauration, method of manufacture and application of such pipeline |
| 01/07/1993 | WO1993000544A1 Pipe section for forming an inner chimney flue conveying flue gas in a domestic chimney needing repair, process for making the pipe section and its use |
| 01/06/1993 | CN1067640A Pipe for exhausting soot |
| 12/30/1992 | CN2126374U Non-woven cloth chimney |
| 12/23/1992 | EP0519313A2 Arrangement for guiding fresh air and exhaust gas |
| 12/16/1992 | CN2125072U Automatic ignition device of emptying chimney |
| 12/02/1992 | EP0515878A2 Cleaning of high temperature high pressure (HTHP) gases |
| 11/24/1992 | US5165732 Gas appliance connection |
| 10/21/1992 | CN1018759B Pipe with lined rubber of dust-extraction system in heat end power plant |
| 10/15/1992 | DE4124879C1 Flue duct connector to steel chimney stack - has connected box fitted into chimney tube with top inlet branch for flue duct in front wall |
| 10/08/1992 | DE4111179A1 Chimney stack with glass flue liner - has statically supporting outer tube with definite spacing between it and glass liner |
| 10/07/1992 | CN2118254U Energy saving duster for stove or range |
| 10/07/1992 | CN2118239U Chimney with radiating fin |
| 10/06/1992 | CA2041709A1 Gas appliance connection |
| 09/24/1992 | DE4106835A1 Prefab. chimney stack with inner steel flue pipe - has sections joined by joints formed with polymer |
| 09/10/1992 | DE4207044A1 Duct for leading combustion gases from water heater - has metal outer housing lined with thermal insulation |
| 09/09/1992 | CN2115465U Fire glass fibre reinforced plastic chimney matching with civil kitchen range |
| 09/02/1992 | CN2114762U Rain-proof cover for chimney |
| 08/12/1992 | CN2112752U Double pipe |
| 07/14/1992 | US5129387 Anti-ice buildup system for roof vents and the like |
| 07/07/1992 | US5127874 Chimney damper with hammer device |
| 07/01/1992 | CN2108855U Civil stovepipe windproof case |
| 06/30/1992 | US5125870 Flue insulation assembly |
| 06/24/1992 | CN2108223U Heating chimney |
| 06/19/1992 | CA2057815A1 Anti-ice buildup system for roof vents and the like |
| 05/20/1992 | CN1061270A Combined type semi-circular cylinder chimney |
| 05/19/1992 | CA1300992C Venting system with natural convection cooling |
| 04/30/1992 | DE4033772A1 Tube insert for chimney - comprises stainless steel coated with ceramic glaze to give extended life |
| 04/29/1992 | EP0483075A2 Fitting for coupling air and fume pipes in tightly enclosed boilers |
| 04/02/1992 | WO1992004983A1 Lining |
| 03/26/1992 | DE4129460A1 Pipe section for exhaust pipe - has hole with peripheral protrusion, lid and contact surface for it, with seals |
| 03/25/1992 | CN2099912U Automatic steering wind-proof dischargeable smoke cover |
| 03/12/1992 | DE4130071A1 Heating flute for combustion gases from burner - has its inner walls clad with ceramic, and coated with catalyst |
| 03/10/1992 | US5094050 Openable chimney cap and flue damper |
| 03/03/1992 | US5092226 Incinerator chimney stack valve mechanism |
| 02/12/1992 | EP0470945A1 Chimney element, system of multiple chimneys, and method of manufacture of a chimney element |
| 01/23/1992 | DE4022646A1 Chimney smoke pipe connector - has outer ring flange, and inner connecting cover extending into pipe aperture as far as its inner contour |
| 12/31/1991 | US5076054 Woven or braided silicon carbide fiber tube; vapor deposition of silicon carbide on inner walls; stress resistant; minimizes decrease in exhaust gas temperature; liners |
| 12/04/1991 | CN2090009U Hole chimney dust wind cover |
| 11/14/1991 | DE4014964A1 Chimney renovation to give cleaner emissions - has flue tube sections and shaped sections with a muff at one end of each to fit into each other |
| 10/10/1991 | DE4111068A1 Chimney with ventilation ducts - which are formed in corners of square section surrounding flue |
| 10/10/1991 | DE4011000A1 Prefabricated chimney for simple, rapid on-site assembly - has inner metal tubes butted at ends with elastic phenol] resin cover clamped round butt joints |
| 10/09/1991 | EP0450241A1 Universal connection of a fluegas pipe |
| 10/09/1991 | CN1055231A Chimney made of inorganic glassfiber reinforced material |
| 10/02/1991 | EP0448838A1 Peripheral and thermally stressed closing and/or connecting element for a boiler |
| 09/26/1991 | DE4009072A1 Steel chimney fitted with silencer - has under chamber mounted with axis horizontal |
| 08/28/1991 | EP0443223A1 Pipe section for a pipe conduit consisting of several parts |
| 08/28/1991 | EP0443222A1 Double-walled pipe element for conducts esp. for flues. |
| 08/21/1991 | EP0442457A2 Heat resistant pipe or liner |
| 07/17/1991 | EP0437260A1 Ceramic sleeve for coating a chimney. |
| 07/11/1991 | DE4027003A1 Cover for access hole in chimney wall - is held in place by clamping bar which engages grooves on each side of hole |
| 07/03/1991 | CN2080138U Wind-proof cap of chimney |
| 06/27/1991 | DE3942154A1 Prefab chimney with central flue - has outer wall of porous concrete with thermal insulation around flue |
| 06/25/1991 | US5025712 Chimney cover apparatus |
| 06/20/1991 | DE3941247A1 Chimney lining made from refractory tubes - which are joined end to end with graphite joint rings between tubes |
| 06/19/1991 | CN2079261U 节能烟囱 Saving chimney |
| 06/04/1991 | US5020512 Water heater construction and method of heating water |
| 05/15/1991 | EP0427598A1 Interlocking element for a flue |
| 05/15/1991 | EP0427205A1 Method and apparatus for joining two relatively movable parts |
| 05/08/1991 | EP0426471A2 Municipal waste thermal oxidation system |
| 05/07/1991 | US5012793 Power vented direct vent system |
| 05/07/1991 | CA2029243A1 Method and apparatus for joining two relatively movable parts |
| 05/02/1991 | EP0424617A2 Smoke tube for a chimney made of several sections |
| 04/25/1991 | DE4008464A1 Multi-section smoke pipe for a chimney - comprises sections having widened coupling end and other end covered with ceramic fibre sealing material |
| 04/24/1991 | CN2075744U 无机镁烟筒 Inorganic magnesium chimney |
| 03/07/1991 | DE3929578A1 Chimney hood with deflecting cone - has central flue gas pipe surrounded by air inlet pipe and inverted cone above flue gas pipe deflecting gases outward through lit |
| 02/19/1991 | US4993621 Method of protecting corrosion-susceptible walls against corrosion |
| 02/12/1991 | US4991879 Method and apparatus for joining two relatively movable members |
| 01/30/1991 | CN2070410U Counterflow-proof exhaust device |
| 01/09/1991 | CN2069072U Low resistance flow deflector |
| 01/02/1991 | CN2068648U Corrugated aluminum alloy ventilation fume extracting duct |
| 12/25/1990 | US4979343 Chimney |
| 11/22/1990 | EP0398831A1 Rigid insulated metal conduits and their connection |
| 10/31/1990 | CN2064869U Chimney butt joint sealing device |
| 10/17/1990 | CN2064013U Complexing agent chimney |
| 10/17/1990 | CN2064012U Improved inorganic resin stovepipe |
| 10/03/1990 | CN2063199U Extinguisher for flue spark |