| Patents for E04B 9 - Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation (8,362) |
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| 08/16/1990 | EP0381837A2 Building element and connecting profile |
| 08/16/1990 | DE4003697A1 Movable roof covering plate |
| 08/14/1990 | US4947607 Suspended ceiling construction and compression strut therefor |
| 08/08/1990 | EP0380753A1 Suspended ceiling |
| 08/07/1990 | US4946484 Support for clean room ceiling grid system |
| 07/31/1990 | US4944129 Ceiling lining |
| 07/31/1990 | US4944126 Attic insulating system |
| 07/17/1990 | US4941528 Ceiling made of metal panels |
| 07/03/1990 | US4937994 Counter ceiling comprising a suspended supporting skeleton |
| 06/28/1990 | DE3843599A1 Profile-rail frame for a suspended grid ceiling |
| 06/26/1990 | CA1270674A1 Optical logic arrangement |
| 06/21/1990 | DE3941613A1 Adjustable fixing system for electrical distribution appts. - has slider clamped in required position along support rail via associated threaded screw |
| 06/20/1990 | EP0373527A2 Wall and/or ceiling element |
| 06/13/1990 | EP0373047A1 False ceiling, particularly for an exhibition hall |
| 06/12/1990 | US4932186 Grid tee for a suspended ceiling |
| 06/12/1990 | US4932170 Valuted sub-ceiling illumination system |
| 06/06/1990 | CN2057933U Movable hanger plate frame of keel crane boom |
| 05/31/1990 | DE3839019A1 Fastening system for wall and ceiling cladding |
| 05/30/1990 | CN2057684U Hanging ceiling keel frame |
| 05/23/1990 | EP0369763A1 Panel jointing system |
| 05/22/1990 | US4926607 Compression leg |
| 05/22/1990 | US4926606 Ornamental ceiling system |
| 05/15/1990 | CA1268920A1 Suspension device for suspended ceilings |
| 05/08/1990 | US4922677 Board particularly for use by suspended ceilings |
| 05/03/1990 | WO1990004691A1 A building element |
| 05/03/1990 | DE3836611A1 Built-in ceiling luminaire for a panelled ceiling |
| 05/01/1990 | US4920719 Method and apparatus of positioning a new ceiling over an existing ceiling |
| 04/26/1990 | DE3836147A1 Clean-room ceiling |
| 04/17/1990 | US4916877 Fire strip construction |
| 04/17/1990 | US4916862 Ceiling access panel |
| 04/12/1990 | DE3833964A1 Fastening system for counter-ceilings |
| 04/04/1990 | EP0361727A1 Sandwich panel for ceiling application |
| 04/04/1990 | EP0361081A1 Fire-resistant ceiling cover |
| 04/03/1990 | US4912899 For a static building construction |
| 04/03/1990 | US4912894 Interlocking cross tee |
| 04/03/1990 | CA1267264A1 Panel for a grid ceiling |
| 04/03/1990 | CA1267263A1 Grid ceiling |
| 04/03/1990 | CA1267262A1 Grid panels suspended by slidable brackets |
| 04/03/1990 | CA1267261A1 Panelling and carriers therefor |
| 03/22/1990 | WO1990002857A1 Improvements in or relating to ceiling suspension arrangements |
| 03/20/1990 | US4908915 Metal clip for attaching metal stud system to a ceiling grid system |
| 03/07/1990 | EP0357290A1 Louvre panelling system |
| 03/07/1990 | EP0357279A1 Plasterboard and roof insulation support |
| 03/06/1990 | US4905952 Locking skirt for channel-beam clamp |
| 02/28/1990 | EP0355517A2 Laminar flow generating device |
| 02/20/1990 | US4901485 Acoustical panel |
| 02/15/1990 | DE3827371A1 Substructure for the fastening of panels on a floor, wall or similar surface of a structure |
| 02/13/1990 | US4900179 Mounting cross-piece assembly and mounting cross-piece thereof |
| 02/08/1990 | WO1990001090A1 Method for the manufacture of curved ceiling panels as well as a ceiling panel manufactured thereby |
| 02/06/1990 | US4898087 Laminarizer |
| 01/25/1990 | DE3824422A1 Load-bearing grid for counter-ceiling |
| 01/24/1990 | CN1006564B Self-containing package system for storage and transportation of pre-fabricated portions of a building structure and assemble |
| 01/23/1990 | US4894888 Device for temporarily connecting the ends of two structures of which at least one is flexible |
| 01/17/1990 | EP0350577A1 Device for suspending C-shaped sections |
| 01/17/1990 | CN2051256U Multipurpose ceiling framework |
| 01/16/1990 | US4893444 Fire expansion joint for ceiling runner |
| 01/11/1990 | DE3822940A1 Fastening device for ceiling panels |
| 12/12/1989 | US4885889 Grid accent and ceiling boards |
| 12/12/1989 | US4885884 Building panel assembly |
| 12/07/1989 | DE3818233A1 Device for the alterable, frictionally locking fastening on a bar, in particular for the vertically adjustable securing of suspended ceilings |
| 12/05/1989 | US4884383 Ceiling panel carrier adapter member |
| 12/05/1989 | CA1263513A1 Wall or ceilling covering system, and one-piece clamp used in the assembly of said system |
| 11/28/1989 | US4883513 Filter cap for clean room ceiling grid system |
| 11/28/1989 | US4883511 Laminar flow multiplane matrix ceiling system |
| 11/23/1989 | DE3816093A1 Video projection box for building into a ceiling |
| 11/16/1989 | DE3815444A1 Fireproof counter-ceiling |
| 11/15/1989 | EP0341378A2 Device for variably force-fitting to a rod, particularly for the height adjustable fixing of a false ceiling |
| 11/14/1989 | CA1262925A1 Covering for wall, ceiling or floor linings |
| 11/08/1989 | EP0340810A2 Section permitting the securing to walls |
| 11/07/1989 | US4879173 Glass mat with reinforcing binder |
| 11/02/1989 | WO1989010454A1 False ceiling consisting of a tensioned sheet hooked along its edges to a support fixed to the walls of a room in a building |
| 11/02/1989 | EP0340133A1 Disposition of a suspended ceiling |
| 11/02/1989 | EP0339624A2 Process for assemblage of self-supporting ceiling panels |
| 10/26/1989 | DE3812447A1 Process for renovating a wooden-joist floor in old buildings, and renovated wooden-joist floor |
| 10/26/1989 | DE3812094A1 Ceiling structure for clean rooms |
| 10/25/1989 | EP0338925A1 False ceiling comprising a tensioned sheet secured along its edges to a support fixed to the wall of a room of a building |
| 10/24/1989 | US4875320 Roof insulation support system |
| 10/24/1989 | US4875311 Beam construction |
| 10/24/1989 | CA1262402A1 Method and apparatus for panel edge coupling |
| 10/19/1989 | DE3809057A1 Suspension element for scenery ceilings |
| 10/17/1989 | US4873809 Ceiling tile hold down clip |
| 10/04/1989 | EP0335321A1 Adaptive architectural cover panel system |
| 09/27/1989 | EP0334106A1 Ceiling element |
| 09/26/1989 | US4869031 Access spline |
| 09/20/1989 | EP0332672A1 Ceiling lining |
| 09/19/1989 | US4866904 Ceiling tile section support |
| 09/19/1989 | US4866900 Drywall furring system |
| 09/14/1989 | DE3807353A1 Luminaire grid/acoustic/acoustic ventilation ceiling |
| 09/13/1989 | EP0331690A1 Ceiling facing |
| 09/12/1989 | US4864791 Fire strip |
| 09/08/1989 | WO1989008171A1 Miniature ceiling beam t-bar cover cap |
| 09/05/1989 | US4862663 Thermally insulated suspension ceiling |
| 08/29/1989 | US4860502 Deck gutter system |
| 08/29/1989 | US4860420 Method of fabricating a clean room filter bank |
| 08/24/1989 | DE3804566A1 Aufhaengevorrichtung fuer deckenverkleidungselemente Cover cladding elements hanging member |
| 08/23/1989 | EP0329213A1 Process for fitting a false ceiling |
| 08/22/1989 | US4860180 Grid suspension system for fluorescent troffers |
| 08/22/1989 | US4858409 Ceiling panel assembly |
| 08/22/1989 | US4858408 Hold down clip |
| 08/10/1989 | WO1989007182A1 Clean room ceiling grid system |