| Patents for E04B 9 - Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation (8,362) |
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| 05/10/1977 | US4021986 Modular ceiling framework |
| 05/10/1977 | US4021985 Illuminator grids and method of forming baffles therefor |
| 04/26/1977 | US4019300 Suspended ceiling structure |
| 04/19/1977 | US4018160 Air conditioning terminal |
| 04/12/1977 | US4016701 Controlled expansion suspended ceiling grid member |
| 04/05/1977 | US4015811 Support for a vaulted ceiling module - II |
| 04/05/1977 | US4015389 Ceiling system and prefabricated overhead building assembly using this system |
| 03/22/1977 | US4012875 Overhead structural, fire extinguishing and ventilating system |
| 03/15/1977 | US4011707 Cross tee end joint for suspended ceiling system |
| 03/08/1977 | US4010591 Movable partition trim piece |
| 03/01/1977 | US4009541 Under-roof drainage device |
| 02/22/1977 | US4008653 Diffuser |
| 02/15/1977 | US4007571 Panel attachment system |
| 02/08/1977 | US4006567 Movable ceiling device |
| 01/25/1977 | US4004390 Supporting structure with strip grid profile bars for wall or ceiling coverings |
| 01/11/1977 | US4001985 Ceiling support frame with pivotally attached outriggers |
| 12/21/1976 | US3998419 Swivel type hanger bracket |
| 12/21/1976 | US3998020 Adjustable suspension systems for ceilings |
| 12/21/1976 | US3998014 Protective edge configuration for structural sheeting |
| 12/14/1976 | US3996716 Ceiling grid arrangement and connector used therewith |
| 12/07/1976 | US3996458 Ceiling system |
| 12/07/1976 | US3995823 Adjustable ceiling suspension |
| 12/07/1976 | US3995798 Support for a vaulted ceiling module |
| 11/02/1976 | US3989399 Structural joint assembly |
| 11/02/1976 | US3988973 Air outlet |
| 11/02/1976 | US3988871 Suspended ceiling construction |
| 10/26/1976 | US3987598 Panel system construction and panels therefor |
| 10/19/1976 | US3986850 Flow control apparatus and air filters |
| 10/19/1976 | US3986314 Ceiling assembly with removable partition walls |
| 10/12/1976 | US3985068 Mounting assembly for air conditioning terminals |
| 10/12/1976 | US3984959 Strap for attaching a ceiling to a steel deck |
| 10/05/1976 | US3984505 False kitchen ceiling with liquid spray system for cleaning |
| 09/21/1976 | US3981116 Sheathing system for building structures |
| 09/14/1976 | US3980007 Air conditioning terminal |
| 09/14/1976 | US3979874 Suspended ceiling system and runner joints therefor |
| 08/31/1976 | US3977643 Support means for a hook member or the like |
| 08/31/1976 | US3977144 Suspended ceiling structure, particularly for dry-wall type panels |
| 08/24/1976 | US3975995 Ventilated ceiling construction |
| 08/17/1976 | US3974755 Air outlet |
| 08/10/1976 | US3973368 Ceiling tile assembly |
| 07/20/1976 | US3969870 Baffle assembly and illuminator grid |
| 07/20/1976 | US3969865 Ceiling structure |
| 07/20/1976 | US3969864 Fire resistant ceiling construction |
| 07/06/1976 | US3967780 Air conditioning system |
| 06/29/1976 | US3965639 Beam-reinforced ceiling panels |
| 06/29/1976 | US3965632 Fire rated grid |
| 06/29/1976 | US3965631 Fire rated grid-member with controlled expansion means |
| 06/22/1976 | US3964230 Expansion anchor device |
| 06/22/1976 | US3964229 Expansion anchor for suspended ceilings and other suspended elements |
| 06/22/1976 | US3964218 Prefabricated roofing structure |
| 05/25/1976 | US3958789 Brick hanger |
| 05/25/1976 | US3958388 Modular building structures |
| 05/04/1976 | US3955031 Flame resistant building material |
| 05/04/1976 | US3954540 Method of making perforated vinyl film ceiling board |
| 04/20/1976 | US3950916 Ceiling panel suspension system clip |
| 04/20/1976 | US3950909 Screen ceiling |
| 04/13/1976 | US3949533 Modular ceiling system |
| 03/02/1976 | US3940941 Anchor bolts for mine roofs and method for installing same |
| 02/10/1976 | US3936990 Ceiling panel trim mounting means |
| 02/10/1976 | US3936913 Clip for T-bar ceiling structures |
| 01/27/1976 | US3934387 Unitary clip device for joining removable ceiling tile to hanger member |
| 01/06/1976 | US3930338 Access door |