Patents for E04F 17 - Vertical ducts; Channels, e.g. for drainage (3,992) |
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10/08/1985 | CA1194671A1 Chimney flue with ventilator means |
10/01/1985 | US4543754 Clip-on chimney hood |
07/24/1985 | EP0149377A1 Composite ducting with element(s) fitted onto it, especially for taking in electrical cables |
06/18/1985 | US4523716 Cooling and heating air jet device in building interior or exterior structure |
06/18/1985 | US4523416 Flooring system with service trunking provision |
05/21/1985 | US4517777 Trenchduct side member extrusion adapted for multiple positioning of cover plate |
04/30/1985 | CA1186120A1 Flooring system with service trunking provision |
04/23/1985 | US4512129 Electrostud |
01/16/1985 | EP0131086A2 Vent pipe for a roof |
01/15/1985 | CA1180867A1 Roof system and ventilator |
12/18/1984 | US4488388 Supporting pipe clamp |
12/12/1984 | EP0128082A1 Wall crossing elements for equipment conduits of buildings |
09/19/1984 | EP0073786B1 A protective sheet, in particular for a foundation wall or a floor on the ground |
09/11/1984 | CA1174028A1 Insulated chimney structure |
07/03/1984 | US4457116 Space module |
06/27/1984 | EP0111519A1 Chimney flue with ventilator means |
06/12/1984 | US4453354 Pipe support coupling and method of using same |
05/01/1984 | US4445304 Method and apparatus for supporting a vertical cylinder of wet cement surrounding a vertical pipe passing through a horizontal concrete slab |
04/25/1984 | EP0106390A1 Method of making a fibrous thermally insulating layer with a coherent structure and thermally insulating element |
04/17/1984 | US4442643 Vent pipe insulating sleeve |
03/20/1984 | US4437687 Waterproof assembly or sealing an aperture housing a conduit |
01/19/1984 | WO1984000188A1 Chimney flue with ventilator means |
01/11/1984 | EP0098086A2 A prefabricated flue unit |
11/23/1983 | EP0094780A1 Flooring system with service trunking provision |
11/02/1983 | EP0092650A1 Prefabricated panelling for angular chimney tops, smoke or ventilation hoods |
09/27/1983 | CA1154228A1 Lining system for chimneys and ducts |
09/20/1983 | CA1154004A1 Fire barrier device |
08/02/1983 | US4395861 Security grid for lighting shafts and the like |
05/17/1983 | CA1146419A1 Lighting shaft or the like provided with a security grid |
03/16/1983 | EP0073786A1 A protective sheet, in particular for a foundation wall or a floor on the ground. |
03/08/1983 | CA1142484A1 Refuse disposal system |
03/01/1983 | CA1141933A1 Insulated chimney pipes |
02/23/1983 | EP0072506A1 Hollow construction unit for fluids in the building field, particularly a chimney construction unit, as well as a method of and a device for manufacturing the same |
01/04/1983 | US4366652 Pipe installation fitting |
12/21/1982 | US4364210 Fire barrier device |
12/08/1982 | EP0066003A1 Chimney of prefabricated elements |
11/03/1982 | EP0063743A1 Spacer element for establishing spacings between structural elements, particularly for chimney head coverings |
09/16/1982 | WO1982003099A1 A protective sheet,in particular for a foundation wall or a floor on the ground |
07/06/1982 | US4337603 Bushing, formed compressible insulation for insulating air space created by holes |
06/30/1982 | EP0054918A1 Device for introducing installation pipes or ducts in buildings provided with a cellar |
02/02/1982 | US4313286 Pipe support coupling and method of using same |
12/29/1981 | US4307546 Fire retardant partitioning for openings for plastic pipe lines |
12/01/1981 | US4303010 Refuse disposal system |
10/21/1981 | EP0038211A2 Insulated chimney pipes |
10/13/1981 | US4294474 Prefabricated chimney-shaft |
05/26/1981 | US4269231 Below surface ducting |
04/22/1981 | EP0027276A2 Transportable conduit section |
04/16/1981 | WO1981001041A1 Transportable conduit section |
04/15/1981 | EP0026945A1 Method and device for lining hollow shaped parts on the interior |
04/07/1981 | US4260119 Apparatus for supporting and guiding a flexible line |
03/10/1981 | CA1097099A1 Metal and brick chimney liner |
03/04/1981 | EP0024312A1 Protection device against burglary for light shafts or such-like |
01/20/1981 | US4245674 Protective cover for a thermoresponsive tube |
11/26/1980 | EP0019452A1 Refuse disposal system |
11/04/1980 | US4231148 Elevator erection method |
10/01/1980 | EP0016335A1 Apparatus for the introduction of installation conduits into a building |
11/13/1979 | US4173923 Metal and brick chimney liner |
10/16/1979 | CA1064216A1 Roof structure including a one-way vapor vent |
07/10/1979 | US4160559 Reinforce tee section for chimney |
04/17/1979 | CA1052711A1 Thermoresponsive tube |
02/20/1979 | US4140058 Cartridge cases and process for the production thereof |
11/21/1978 | US4125977 Internally composite cellular section and composite slab assembled therefrom |
10/31/1978 | US4122685 Elevator shaft |
10/03/1978 | US4117777 Refuse container, and refuse compacting and discharging device therefor |
08/22/1978 | US4108498 Garbage suction plant |
08/08/1978 | US4105051 Prefabricated composable duct element |
08/08/1978 | US4104868 Precast chimney system |
07/04/1978 | US4098181 Disposal installation for domestic waste |
05/30/1978 | CA1031927A1 Global linking and enhancing process of heat and sound isolations |
03/21/1978 | US4079548 Double baffle linen chute fire safety door |
02/07/1978 | US4071991 Slip joint for disposal chute |
02/07/1978 | US4071919 Waste chute cleaning apparatus |
01/31/1978 | US4070961 Waste diverter apparatus for a waste disposal system |
12/27/1977 | US4064793 Expandable double walled smoke stack |
12/20/1977 | US4064318 Vinyl polymer |
08/09/1977 | US4040755 Trench duct connector |
07/26/1977 | US4037795 Waste disposal systems |
06/28/1977 | US4032821 Utility distribution console |
06/14/1977 | US4029344 Connection joint for prefabricated metal chimney |
06/14/1977 | US4029343 Expansion joint for prefabricated double-walled metal chimney |
03/22/1977 | US4013551 Materials handling |
03/22/1977 | US4013215 Trash disposal apparatus |
02/22/1977 | US4008655 Method and apparatus for protecting a double-shelled chimney stack |
01/11/1977 | US4002229 Trash chute locking system |
01/04/1977 | US4000588 Space-bounding sections for forming a building or part thereof, and methods of erecting such a building |
12/28/1976 | US3999334 Webb basement window escape |
09/14/1976 | US3980166 Device for dumping chute |
08/31/1976 | US3977729 Outdoors refuse-receiving system |
06/22/1976 | US3965006 Liquid waste disposal |
04/20/1976 | US3951461 Pneumatic conveying pipe system for collection and intermittent conveyance of different types of goods |
01/20/1976 | US3933393 Arrangement at central installations for pneumatic transport of packaged refuse |
01/06/1976 | US3931452 Device for attachment of ceiling-supended equipment |