| Patents for E04F 17 - Vertical ducts; Channels, e.g. for drainage (3,992) |
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| 11/29/1995 | CN1112633A The connecting device of the outside pipe arrangement into the house and the instructure of the same |
| 11/22/1995 | EP0683554A1 Utility distribution system |
| 11/22/1995 | EP0683553A1 A modular apparatus for combined dispensing of fluids, current to electrical appliances, communication systems and the like |
| 11/22/1995 | CN2213193Y 玻璃钢风道 FRP duct |
| 11/16/1995 | DE4415894A1 Ventilated chimney head jacket |
| 11/16/1995 | DE4415213A1 Rubbish disposal device leading into shaft |
| 11/09/1995 | DE4416043A1 Installing metal and/or plastic service supply lines in multi-storey building |
| 11/08/1995 | EP0681074A1 Device with at least two installation blocks |
| 11/02/1995 | WO1995029302A1 A method for constructing a building to which persons may have access and building elements for such a building |
| 10/10/1995 | US5456050 System to prevent spread of fire and smoke through wall-breaching utility holes |
| 10/04/1995 | CN2209181Y Air duct |
| 09/28/1995 | DE19504445A1 Light well mounting mechanism attached to outer wall of building |
| 09/27/1995 | CN1109132A Air discharging structure for high buildings |
| 09/27/1995 | CN1109131A Pressure changing part used for air discharging channel |
| 09/21/1995 | WO1995025373A1 Installation conduit, especially under-floor type |
| 09/19/1995 | US5450879 Cornerless slip-on flange system for duct connections |
| 09/14/1995 | WO1995024755A1 Lower part for an installation duct |
| 09/14/1995 | CA2162605A1 Lower part for an installation duct |
| 09/13/1995 | CN2207416Y Magnetic semi-automatic refuse door |
| 09/12/1995 | CA2021680C Apparatus for the controlled ventilation of rooms |
| 09/07/1995 | DE4407007A1 Moulded parts for constructing combustion exhaust gas flues |
| 08/31/1995 | WO1995023264A1 Drop delivery chute |
| 08/23/1995 | CN2205855Y Folding gate type muffler repairing channel |
| 08/16/1995 | EP0667497A1 Air ventilation arrangement |
| 08/10/1995 | DE4413776A1 System for installation of bathroom equipment |
| 07/19/1995 | EP0663483A1 Prefabricated plasterboard element and a method for its production |
| 06/22/1995 | DE4343759A1 Ventilation fitting for rooms with damp or greasy atmosphere |
| 06/21/1995 | CN2201443Y Multifunction prefabricated air-duct for fume duct |
| 06/15/1995 | WO1995016083A1 System preventing spread of fire and smoke |
| 06/15/1995 | CA2178493A1 System preventing spread of fire and smoke |
| 06/07/1995 | CN2200015Y Oil-smoke valveless exhaust duct for house |
| 06/07/1995 | CN2200014Y Fume extractor for centralized flue of civil building |
| 06/01/1995 | DE4340154A1 Light-shaft on outside wall |
| 06/01/1995 | DE4339872A1 Security insert with detachable cover for cellar-shaft |
| 05/31/1995 | CN2199261Y Thermal insulation air duct of glass fibre reinforced plastics polyaminoester |
| 05/31/1995 | CN2199260Y Thermal insulation flame-retarded type composite air duct |
| 05/18/1995 | WO1995013172A1 Method of manufacturing precast concrete units |
| 05/18/1995 | DE4423831A1 Light-shaft arrangement |
| 05/18/1995 | DE4338662A1 Ventilator element with pipe |
| 05/10/1995 | EP0652382A2 Fastening device for installation channels |
| 05/10/1995 | CN2196657Y Wall-through plumbing pipe sealing cover |
| 04/26/1995 | CN2195586Y Improved central gas outlet for residential buildings |
| 04/19/1995 | CN2194947Y Indoor composite ventilation pipeline |
| 04/19/1995 | CN2194946Y Plastic vent gutter |
| 04/18/1995 | CA2009413C Floor track system for office furniture and the like |
| 04/12/1995 | CN2194389Y Wide frequency composite sound-damper for large duct |
| 04/12/1995 | CN2194388Y Members for smoke flue of storied-building |
| 04/09/1995 | CA2108101A1 Brickwork chimney block |
| 04/04/1995 | US5402613 Chimney cap |
| 03/30/1995 | DE4332350A1 Chimney-head cladding by means of aluminium plaster strip corner profiles for bracing purposes and aluminium-lamella façade profiles |
| 03/29/1995 | CN2193396Y House fume removing and ventilation pipe |
| 03/29/1995 | CN2193395Y Common exhaust pipeline fume back-proof device for grand building |
| 03/22/1995 | EP0644640A2 Installation raceway |
| 03/22/1995 | CN1100487A A plastic pipe sleeve and its method of installation |
| 03/21/1995 | US5399050 Plastic concrete form for footers |
| 03/15/1995 | EP0643462A2 Installation raceway |
| 03/15/1995 | EP0643250A1 A double-walled pipe assembly |
| 03/15/1995 | CN2191897Y Variable pressure type exhaust passage for middle or high stories building |
| 03/01/1995 | CN1099452A Method for making flue gas channel of fibre reinforced cement |
| 02/22/1995 | CN2190143Y Special closed inlet/outlet valve for air-duct of buildings |
| 02/08/1995 | EP0637864A1 A raceway assembly |
| 01/25/1995 | EP0635607A1 Chimney construction built with multiple parts |
| 01/19/1995 | DE4339636C1 Barrier device for a wall |
| 01/05/1995 | DE4324522C1 Apparatus and process for producing storey-high chimney elements |
| 12/22/1994 | WO1994029546A1 Sealing strip |
| 11/30/1994 | CN2184035Y Improved central exhaust passage of building |
| 11/24/1994 | DE4416633A1 Arrangement for fastening pipelines in walls |
| 11/19/1994 | CA2123665A1 Utility distribution system for open office plans and the like |
| 11/17/1994 | EP0624747A2 Flexible tube |
| 11/17/1994 | EP0185744B2 A method and a tool for increasing the width in the clear of a chimney |
| 11/03/1994 | DE4314285A1 Ready-made chimney for buildings, and process for the production thereof |
| 10/26/1994 | CN2180711Y Pressure-changing type exhausting pipe |
| 10/20/1994 | DE4411552A1 Under-floor installation duct |
| 10/13/1994 | DE4303150A1 Flange profile for the mutual fastening of air-duct portions |
| 10/06/1994 | DE4331194C1 Double-walled pipeline system |
| 10/06/1994 | DE4311163A1 Apparatus and process for producing structures |
| 09/29/1994 | DE4410500A1 Arrangement for preventing the transmission of sound vibrations through the outer casing of multiple-shell chimneys |
| 09/21/1994 | EP0616159A1 Device for keeping objects spaced apart |
| 09/21/1994 | EP0615569A1 Insulated ventilation duct component and method of producing the same |
| 09/20/1994 | US5347779 High-rise building |
| 09/15/1994 | DE4323076A1 Air/waste-gas chimney |
| 09/14/1994 | EP0615039A1 Air, waste gas chimney |
| 09/07/1994 | CN2176393Y Fireproof glass-fiber reinforced plastic flue |
| 08/26/1994 | CA2095758A1 Corner clips for horizontal framing |
| 08/23/1994 | US5339579 Security well covers |
| 08/11/1994 | DE4303612A1 Mounting bracket for cable ducts, such as breastwork ducts, on a wall etc. |
| 08/10/1994 | EP0609642A1 Device for fastening an element, in particular a light shaft |
| 08/09/1994 | US5336849 Raceway assembly for power and communications conductors |
| 07/21/1994 | DE4300794A1 Electrical cable channel unit with profiled cross=section |
| 07/14/1994 | DE4344344A1 Reinforced structure for chimney |
| 07/12/1994 | CA1330652C Vertically stackable elevator modules with sealable joints |
| 06/01/1994 | EP0599305A1 Multi-shell formed piece and device and process for disposing flexible insulating plates between the walls of said formed piece |
| 06/01/1994 | DE4231915C1 Device for pre-fitting chimney cladding - entails placing several cladding plates to be adhered along their long sides and using several inner corner pieces |
| 05/11/1994 | EP0483289B1 Pipe duct structure |
| 05/11/1994 | DE4305623C1 Intruder protection system for shaft grating - has holder with U=shaped link hinging free of anchoring component on unlocking |
| 04/27/1994 | EP0593858A1 Multiple part bracket |
| 04/20/1994 | EP0593362A1 Profile device for cabling of electrical apparatuses in a wall, appropriate frame and channel for assembling such a device |
| 04/13/1994 | CN2161660Y Natural wind induced type skylight |
| 03/08/1994 | US5291706 Modular chimney arrangement |
| 03/02/1994 | CN2157953Y Glassfibre reinforced cement flue gas duct |