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