| Patents for E04B 9 - Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation (8,362) |
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| 07/25/1991 | WO1991010787A1 Interlocking device for joining together ceiling or wall elements |
| 07/25/1991 | DE4001697A1 Ceiling suspension equipment - has edges of slot in rail web bent apart to accommodate anchoring member |
| 07/23/1991 | US5033247 Clean room ceiling construction |
| 07/23/1991 | CA1286470C Interlocking cross tee |
| 07/16/1991 | US5031377 Artificial beam |
| 07/09/1991 | US5029422 False ceiling constituted by a taut sheet fastened, along its edges, to a support fixed to the walls of a room of a building |
| 07/03/1991 | EP0435778A1 False ceiling panels and method for applying the same |
| 06/27/1991 | WO1991009186A1 Ceiling system |
| 06/27/1991 | CA2014426A1 Wire grid subceiling panel |
| 06/26/1991 | EP0433815A1 Method for the construction of a false-ceiling and device for carrying out the method |
| 06/26/1991 | EP0433660A1 Ceiling element |
| 06/26/1991 | EP0433389A1 Improvements in or relating to ceiling suspension arrangements. |
| 06/18/1991 | US5024038 Apparatus and method for proving an anchor in walls and ceilings composed of friable asbestos containing material |
| 06/18/1991 | US5024034 Non-directional suspended ceiling panels |
| 06/05/1991 | EP0430271A1 Gridsystem for suspension ceiling |
| 06/05/1991 | EP0430048A1 Covering device |
| 05/30/1991 | WO1991007598A1 Suspension wire |
| 05/28/1991 | US5018332 Grating |
| 05/23/1991 | DE4036735A1 Fire-proof building layer - has plates secured at their edges by profiled bars in a self-supporting assembly |
| 05/23/1991 | DE3938214A1 Installation of plaster-board ceilings - by attaching plasterboard panels to rails formed by channel sections |
| 05/22/1991 | EP0427948A1 Hanger for C-shaped profiles |
| 05/08/1991 | EP0426590A1 Layoutfor air diffusion in a building especially in livestock breeding |
| 05/08/1991 | DE3936665A1 False ceiling panel cladding - has finely perforated metal panels, butting together to form seamless joints on visible side |
| 05/07/1991 | US5012624 Method and apparatus for installing wire anchors for suspended ceilings |
| 05/02/1991 | EP0074971B2 Method for mounting a roof, floor or similar structure and a structure adapted to be mounted according to the method |
| 04/24/1991 | EP0207154B1 Optical logic arrangement |
| 04/23/1991 | US5010234 Device for air-conditioning premises with exchange of heat energy by low temperature infrared radiation |
| 04/23/1991 | US5009383 Suspended ceiling electrical bracket |
| 04/18/1991 | DE4031574A1 Attachment of dividing wall to suspended ceiling - involves angle sections attached to grid which supports ceiling |
| 04/16/1991 | US5008791 Low direct glare and wall wash parabolic lighting grid |
| 04/11/1991 | DE3943510A1 Support structure for false-ceiling - has fastening bracket with inner threaded support plate, and coupling plate with outer thread |
| 04/10/1991 | EP0421405A1 Device for connecting ceiling slabs to a wall |
| 04/10/1991 | EP0421255A2 Support structure for a suspended ceiling and suspended ceiling |
| 04/09/1991 | US5005332 Louvre pannelling system |
| 04/03/1991 | EP0419855A2 Adjustable suspension bracket |
| 03/26/1991 | US5001883 Sandwich panel for ceiling application |
| 03/20/1991 | EP0417762A1 Device for supporting false ceiling tiles |
| 03/12/1991 | US4998390 Panel support structure |
| 03/06/1991 | CN2072554U T type keel mould clamps |
| 03/05/1991 | CA1280870C Modular frame arrangement for clean room ceilings suspendable from the ceiling of a room for receiving filters having a fluid seal |
| 02/28/1991 | DE3928217A1 System for construction of suspended tiled ceiling - has components attached to underside of soffit in form of square grid, each with four arms |
| 02/27/1991 | EP0414519A2 Metal cladding systems |
| 02/27/1991 | EP0413691A1 Clean room ceiling grid system |
| 02/26/1991 | US4995209 Wall connector device |
| 02/26/1991 | CA2023982A1 Metal cladding systems |
| 02/20/1991 | EP0413212A2 Fixing means for suspending supporting rails |
| 02/14/1991 | DE3926648A1 Construction of internal walls in building - using panels supported on grid of hollow section bars |
| 02/12/1991 | US4991373 Support clip for ceiling panels |
| 02/12/1991 | US4991370 Security panel system |
| 02/12/1991 | CA1280006C Building panel assembly |
| 02/07/1991 | WO1991001418A1 Furnace crown means and method |
| 02/05/1991 | US4990407 Ceiling tile composite |
| 02/05/1991 | US4989387 Ceiling system with staked on connectors |
| 01/31/1991 | DE4021720A1 Ceiling spars with decorative rustic appearance - a beam has two angled rails along the sides to suport ceiling panels and a U=shaped foam profile with wood finish is bonded on |
| 01/31/1991 | DE4009583A1 Suspended ceiling with layer of plaster - in which pipes are embedded for circulation of heating or cooling medium |
| 01/31/1991 | DE3924319A1 Attachment of wooden panelling in room - involves wooden blocks glued to wall or ceiling |
| 01/30/1991 | EP0410780A1 Improvements in shaping bodies |
| 01/29/1991 | USRE33529 Covering for wall, ceiling or floor linings |
| 01/29/1991 | US4987715 Parallel beam system |
| 01/29/1991 | CA2022107A1 Shaping bodies |
| 01/24/1991 | WO1991000943A1 Suspending device |
| 01/24/1991 | WO1991000802A1 Ceiling tile composite |
| 01/24/1991 | DE3923846A1 Bracket for supporting suspended ceiling - is made in two parts to provide height adjustment |
| 01/23/1991 | EP0409029A1 Profile for supporting ceiling panels |
| 01/22/1991 | US4986332 Fastening track assembly for fabric wallcoverings |
| 01/10/1991 | DE3921064A1 Supporting beam for concrete shuttering - has end plates with flanges joined to sidewalls forming U=shaped connectors |
| 01/09/1991 | EP0406476A2 False ceiling |
| 01/08/1991 | US4982540 Trim piece for suspended ceilings |
| 01/02/1991 | CA1278453C Filter cap for clean room ceiling grid system |
| 12/26/1990 | CN2068115U Acoustic hanging network body |
| 12/25/1990 | USRE33501 Fire-rated beam with expansion relief section |
| 12/25/1990 | US4979715 Hanger for suspended ceiling |
| 12/13/1990 | WO1990015261A1 A fastener assembly |
| 12/13/1990 | WO1990015204A1 Acoustic-ceiling system |
| 12/13/1990 | DE3918339A1 Air supply cover for operating theatres - comprises pivot hung covers operated by power driven windlass with draw wires |
| 12/06/1990 | DE3917397A1 Suspended plaster ceiling in room - is formed as complete unit before being attached to structural ceiling |
| 11/29/1990 | WO1990014197A1 Drop ceiling installing apparatus |
| 11/29/1990 | DE3916687A1 Air conditioned suspended ceiling - comprises two leaf panels fixed to hollow rails with gaps between each panel which serve as air supply ducts |
| 11/28/1990 | EP0399935A1 False ceiling in stretched fabric, at least partly permeable, used to create an air-volume for heating or cooling |
| 11/20/1990 | US4970921 Drop ceiling installing tool & method |
| 11/13/1990 | US4969304 Immediately accessible wall and ceiling system |
| 11/06/1990 | US4967530 Clean room ceiling construction |
| 11/01/1990 | WO1990012934A1 Ceiling panel and method of manufacture |
| 10/23/1990 | US4964257 Method of assembling a panel assembly |
| 10/18/1990 | DE3912206A1 Modular ceiling element for suspended ceiling - has simple lattice framework providing cells for vertical insertion and fixing of preformed metal box units suspended on lugs |
| 10/17/1990 | EP0393000A1 An auxiliary device for use when fitting false-ceilings |
| 10/02/1990 | US4959942 Method and system for preparing an exhibition space |
| 09/26/1990 | CN2062748U Connecting assembly for furred ceiling |
| 09/25/1990 | US4958476 Adaptive architectural cover panel system |
| 09/20/1990 | DE3907755A1 Connecting part for profile rails for receiving suspended ceiling elements |
| 09/20/1990 | DE3837296A1 Profile grid floor for rooms in residential buildings, rooms in commercial buildings, exhibition rooms or the like |
| 09/19/1990 | EP0387964A1 Suspension system for ceiling panels and a sectional bar for such a system |
| 09/19/1990 | EP0387421A1 Wall- and/or ceiling covering especially for ships |
| 09/16/1990 | CA2012068A1 Suspension system for ceiling panels, and a sectional bar for such a system |
| 09/11/1990 | US4955134 Method of forming a spring-like fire strip |
| 08/28/1990 | US4951443 Ceiling panel and T-rail mounting assembly |
| 08/23/1990 | DE4005057A1 Box-shaped ceiling soffit |
| 08/23/1990 | DE3905035A1 Load-bearing skeleton for a counter-ceiling |
| 08/21/1990 | US4949517 Wire grid subceiling panel |
| 08/21/1990 | CA1272970A1 Elevator cab |