| Patents for E04B 9 - Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation (8,362) |
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| 06/04/1985 | US4520607 Releasable resilient mounting assembly for panel members |
| 05/14/1985 | US4517236 Fibrous product |
| 05/02/1985 | EP0139360A2 A sound-absorbent metal sheet, a method for its manufacture and acoustic materials made therefrom |
| 04/17/1985 | EP0137591A2 Panelling system and carrier therefor |
| 04/17/1985 | EP0137086A1 Device for applying a false ceiling composed of a horizontally tensioned sheet |
| 04/16/1985 | US4511380 Suspension and sealing of latticework and filters |
| 04/16/1985 | US4510727 Grid supported structure |
| 04/10/1985 | EP0136954A2 Process for using laminated sheets for the construction of interior walls of houses, decorations, furniture elements and the like |
| 04/02/1985 | US4507836 Access door and framing apparatus for the access door's framework |
| 03/19/1985 | US4505083 Delineated ceiling grid in suspended ceiling |
| 03/19/1985 | CA1184011A1 Method for mounting a roof and structure therefor |
| 03/19/1985 | CA1184010A2 Suspended ceiling panel system |
| 03/13/1985 | EP0134028A2 Lattice ceiling |
| 02/28/1985 | WO1985000845A1 Moulding arrangement |
| 02/26/1985 | CA1182972A1 Clip for wall or ceiling panel structure |
| 02/19/1985 | US4499697 Suspended ceiling with removable tee sections |
| 02/12/1985 | CA1182321A1 Insulated lay-in diffuser |
| 01/30/1985 | EP0132348A2 Panel installation clip |
| 01/29/1985 | US4497014 Ceiling fixture having self-activating mounting means |
| 01/22/1985 | US4494449 Insulated lay-in diffuser |
| 01/22/1985 | US4494350 Aluminum suspension system |
| 01/22/1985 | US4494346 Ceiling system and panel-securing device therefor |
| 01/22/1985 | CA1181216A1 Spring clip for t bar ceiling arrangement |
| 01/15/1985 | US4493171 Monolithic ceiling modules and ceiling system |
| 01/09/1985 | EP0130658A2 A suspended ceiling and coupling element for the same |
| 01/08/1985 | US4492066 Suspension ceiling grid system |
| 01/01/1985 | US4490957 Suspended ceiling structures |
| 12/25/1984 | US4489529 Reinforced ceiling runner |
| 12/05/1984 | EP0127545A2 Modular elements to be assembled in a juxtaposition, especially for erecting walls continuously |
| 12/04/1984 | US4485605 Suspension ceiling grid with removable grid members |
| 12/04/1984 | US4485599 Process for making a false ceiling and false ceiling made by carrying out said process |
| 12/04/1984 | CA1178770A1 Suspension ceiling grid with removable grid members |
| 11/27/1984 | US4484428 Suspended ceiling grid system |
| 11/20/1984 | US4483116 Ceiling system with ceiling conversion strip |
| 11/13/1984 | US4481745 Ceiling and coupling element for the same |
| 11/06/1984 | US4480360 Clip for wall or ceiling panel structure |
| 10/30/1984 | US4479341 Clips for T-bar grid ceiling arrangement |
| 10/30/1984 | CA1176816A1 Soffit panel |
| 09/25/1984 | CA1175089A1 Modular heated ceiling panel |
| 09/25/1984 | CA1174823A1 Ceiling tile suspension system |
| 09/19/1984 | EP0118590A2 Suspension device for a ceiling girder |
| 09/19/1984 | EP0118589A2 Suspension device for a lattice girder |
| 09/18/1984 | US4471596 To produce a domelike appearance on one side |
| 09/18/1984 | US4471593 Fastening clip for panel |
| 09/11/1984 | US4470239 Suspended ceiling grid system |
| 09/11/1984 | US4470234 Hollow beam constructed of boards |
| 09/04/1984 | US4468911 System for forming structural concrete |
| 09/04/1984 | US4468900 False ceiling element |
| 08/29/1984 | EP0116772A1 Connector for a filter bank supporting latticework and method of assembling same |
| 08/14/1984 | US4464876 Suspended woodbeam ceiling construction |
| 08/14/1984 | CA1172418A1 Suspended ceiling with removable tee sections |
| 08/08/1984 | EP0115415A2 Clip for a suspended ceiling |
| 08/08/1984 | EP0114880A1 Hanger assembly. |
| 08/07/1984 | US4463923 Hanger assembly |
| 08/07/1984 | US4463537 Clip for suspending ceiling panels |
| 08/07/1984 | US4463536 Decorative ceiling or wall |
| 07/31/1984 | US4462198 Suspended ceiling system |
| 07/25/1984 | EP0113987A2 Openwork screen assembly |
| 06/19/1984 | US4454700 Suspended woodbeam ceiling |
| 06/19/1984 | US4454698 Modular member for forming composite false-ceilings |
| 06/05/1984 | US4452021 Natural wood suspended wood ceiling or wall system employing clip means |
| 05/29/1984 | CA1168013A1 Suspended ceiling grid system |
| 05/22/1984 | US4449344 Ceiling panel and lens |
| 05/16/1984 | EP0108576A2 Load bearing floor or roof members |
| 05/15/1984 | US4448006 Grid ceiling structure and method of converting |
| 04/24/1984 | US4444524 Mounting clip for tongue and groove panels |
| 04/24/1984 | US4444372 Tensile force absorbing anchoring in concrete |
| 04/24/1984 | US4443973 Access door and framing apparatus for the access door's framework |
| 04/10/1984 | US4441297 Panelling and carriers therefor |
| 04/10/1984 | US4441282 Suspended ceiling |
| 03/27/1984 | US4438613 Suspended ceiling panel system |
| 03/20/1984 | US4437287 Ceiling panel |
| 03/06/1984 | USRE31528 Grid tee for suspension ceilings or the like |
| 03/06/1984 | US4434599 Drop ceiling frame construction |
| 02/22/1984 | EP0100929A1 Ceiling construction with access door |
| 02/22/1984 | EP0100928A1 Ceiling construction with access door |
| 02/21/1984 | US4432182 Ceiling tile suspension system |
| 02/16/1984 | WO1984000597A1 Hanger assembly |
| 02/14/1984 | US4431081 Suspension system for movement under a ceiling |
| 02/14/1984 | CA1162019A1 Hollow beam |
| 01/24/1984 | US4427171 Mounting bracket for use in installing beam-like channel members under horizontal surfaces, in particular ceilings |
| 01/24/1984 | US4426822 Vertical ceiling assembly and stringer therefor |
| 01/24/1984 | US4426760 Method of covering surfaces with tensile sheet materials |
| 01/17/1984 | US4425747 Twin-vee ceiling hanger clip |
| 01/10/1984 | US4424656 Assembly clip for ceiling panels |
| 01/03/1984 | US4424554 Ceiling fixture with improved mounting means |
| 01/03/1984 | CA1159623A1 Insulation apparatus |
| 12/27/1983 | US4422272 Cosmetic cover for channelled type grid systems |
| 12/20/1983 | CA1158827A1 Suspended ceiling panel system |
| 12/13/1983 | US4420798 Adjustable overhead lighting system |
| 12/07/1983 | EP0095642A1 Device for the resilient mounting of ceiling or wall plates |
| 12/07/1983 | EP0038800B1 Skeleton-frame system for the erection of building constructions |
| 11/22/1983 | US4416095 Support hanger kit for suspension ceilings and method of installation |
| 11/09/1983 | EP0093112A1 Readily dismountable wooden panelled false ceiling |
| 11/08/1983 | US4413660 Apparatus for twist-tying ceiling hangers from joists |
| 11/08/1983 | US4413457 Checkered wall or ceiling system |
| 11/02/1983 | EP0092684A2 Heat insulating, fire retarding multilayered panel |
| 10/25/1983 | US4411116 Multiple-use channel-shaped structure for suspended ceiling |
| 10/11/1983 | US4408433 Section constituting an outer longitudinal element or moulding of a false ceiling or a false wall |
| 10/11/1983 | US4408428 Suspended panel ceiling having impact absorbent panel retaining clip assemblies |