Patents
Patents for E04F 17 - Vertical ducts; Channels, e.g. for drainage (3,992)
03/1999
03/16/1999US5881503 Decorative window well
03/03/1999CN2309388Y Channel pipe element for locating indoor partition and pipeline
02/1999
02/25/1999DE19731592A1 Supply pipe blocks
02/11/1999WO1999006663A1 Modular door frame system
02/11/1999WO1999006662A1 Door or window frame comprising a wall-mounted section
02/11/1999DE19731589A1 Prefabricated building-storey sections installation system
02/10/1999EP0896112A1 Chimney pipe element in particular to be installed at the level of a roof lead-through
02/10/1999CN2307068Y Heat insulating noiselss air duct
01/1999
01/20/1999CN2304709Y Externally repaired structure of indoor pipes out of floor
01/07/1999DE19727318A1 Device for avoiding condensation and steaming up of windows of habitable buildings
12/1998
12/24/1998DE19721118A1 Residential house of reproducible raw materials
12/23/1998CN2301493Y Enclosed underground dustbin
12/10/1998CA2236904A1 Roof jack for furnace
12/09/1998EP0882928A2 Chimney flue pipe made of sleeve pipe section and sealing means for such a joint
12/09/1998EP0882851A2 Supply unit for sickrooms
11/1998
11/18/1998EP0877843A1 Interior lining for the restoration of rooms, in particular bathrooms, as well as a method for restoring such rooms
11/12/1998DE19719496A1 Modular system housing on storey floor basis
11/12/1998DE19719367A1 Ventilation arrangement for building
11/11/1998EP0877209A2 Ventilation device for a building
11/11/1998CN2296907Y Composite air duct
11/11/1998CN2296906Y Air-duct jointing device
11/10/1998US5832682 Chimney moisture seal
10/1998
10/29/1998WO1998047788A1 Method and arrangement for controlled refuse discharge
10/29/1998DE19717197A1 Method of producing hollow profiled preforms for passages in building walls
10/28/1998EP0874107A1 Earthenware pipe element for the manufacture of flue gas exhaust conduits
10/28/1998CN2295812Y Y-shape pipe for garbage channel of building
10/07/1998CN2293611Y Closed garbage bucket of glass fibre reinforced plastic garbage tunnel
10/01/1998DE19710789A1 Building roof
09/1998
09/23/1998EP0698308B1 Lower part for an installation duct
09/16/1998CN2291461Y Multi-floor movable door screw spout
09/10/1998DE19709328A1 Air vent through wall
09/10/1998DE19708337A1 Building block with flue
09/01/1998US5800260 Air supplying device for building
08/1998
08/20/1998DE19705542A1 Building ventilation channel
08/19/1998CN2288232Y Refuse pipe guide
08/18/1998US5794392 Utility distribution system for open office plans and the like
08/05/1998CN1189567A Active expansion bolt single-tube support
07/1998
07/30/1998DE19702795A1 Mounting structure for ventilation ducts on e.g. walls and ceilings
07/29/1998CN2286780Y Decorative plate piece for indoor pipeline
07/23/1998DE19701275A1 Fire prevention valve
07/23/1998DE19700767A1 Sound damping cushion
07/23/1998DE19700411A1 Refractory material panel for construction of heated structures
06/1998
06/30/1998US5772112 Recycling device
06/24/1998CN1038865C Air discharging structure for high buildings
06/23/1998US5768840 Integrated utility distribution and panel system
06/09/1998US5762083 Support for garbage chute cleaning apparatus
06/04/1998DE19648259A1 Device for connecting air shaft to building wall
05/1998
05/26/1998US5756933 Wall mountable universal bracket for use with a raceway system
05/20/1998DE19734346A1 Watertight flashing for sealing aperture in roof of building
05/19/1998US5752348 Window well cover
05/14/1998WO1998019580A1 Head wall for a hospital room
05/14/1998DE19646688A1 Method for forming seams of inner tube components for exhaust gas installation
05/14/1998DE19646259A1 Drainage pipe wall slot cover
05/12/1998US5749192 Corner clips for horizonal framing
04/1998
04/28/1998CA2069559C Shaft wall and horizontal metal stud therefor
04/21/1998US5740644 Wall with horizontal metal stud and reinforcement channel therefor
04/08/1998CN2278029Y Improved central exhausting duct for residence in building
04/02/1998DE19638541A1 Template used in building construction for displacing chimney mantle block
04/01/1998EP0832406A1 Brick for heat exchangers
03/1998
03/26/1998DE19741901A1 Chimney flue of stacked lightweight components
03/18/1998EP0828906A1 Plastic light well with cover
03/17/1998US5728980 Duct silencer
03/10/1998US5724784 Shaft wall and horizontal metal stud therefor
03/06/1998CA2184846A1 Plumbing vent
02/1998
02/26/1998DE19633636A1 Lift shaft cabin and connection walkways for existing buildings
02/25/1998CN2275135Y Multifunctional indoor rubbish transport device
01/1998
01/27/1998CA2142190C Waste air exfiltration duct
01/22/1998DE19629111A1 Chimney cladding for chimney
01/22/1998DE19629108A1 Chimney cladding for chimney
01/15/1998DE19628013A1 Sheet metal cladding for chimney protruding above roof top
01/14/1998CN1170123A Aeration structure in buildings
01/07/1998EP0817163A2 Variable volume resonating element
12/1997
12/30/1997US5703720 Light collection and distribution apparatus
12/16/1997US5697193 Utility distribution system for open office plans and the like
12/11/1997DE19618724A1 Laboratory media supply system e.g. for water, gas and electricity
12/09/1997US5696361 Multi-ducts sound eliminator for air pipe
12/04/1997DE19722620A1 Ducting e.g. for pipes or cables, in concrete or wells
12/04/1997DE19621888A1 Wall fixture installation element for rooms
11/1997
11/27/1997DE19715618A1 Living quarters with at least one apartment on at least one storey
11/19/1997CN2268076Y Bucket-connected refuse conveying pipe
11/12/1997EP0806615A2 Aeration structure in buildings
11/10/1997CA2204690A1 Aeration structure in buildings
11/06/1997DE19616669A1 Ceramic pipe for firing plant chimney
11/06/1997DE19616268A1 Square-section chimney for building
10/1997
10/30/1997DE19616132A1 Method for retro-fitting of plumbing services in multi-storey premises
10/29/1997CN2266010Y Drawer type refuse inlet device
10/21/1997US5679931 For noise bearing fluid streams
10/16/1997WO1997020173A3 Sealing device
10/16/1997DE19614792A1 Modular construction of tall chimney
10/14/1997US5675949 Utility distribution system for open office plans and the like
10/08/1997EP0800250A2 Corner channel
10/01/1997EP0798513A2 Double walled pipe element for building chimneys
09/1997
09/29/1997CA2172896A1 Air distribution line
09/25/1997DE19611040A1 Moulding, especially shaped brick for fume extractor in tile firing kiln
09/24/1997CN2263160Y Shopping passageway for high building
09/24/1997CN2263151Y Combined brick for flush mounted switch
09/18/1997DE19608786A1 Building opening forming-core production method
09/04/1997DE19626167C1 Volume-alternating resonator component
09/03/1997CN2261468Y Blocks for constructing and repairing for building
08/1997
08/19/1997US5657587 Floating accessible areaway system
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