| Patents for E04B 9 - Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation (8,362) |
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| 04/17/1979 | US4149693 Fixture support with twisted central portion |
| 04/04/1979 | EP0001243A1 Fire-resistant ceiling |
| 04/03/1979 | US4146999 Acoustical panel with rigidified edges |
| 03/27/1979 | US4145859 Splice for metal furring strip |
| 03/27/1979 | US4145852 Construction element |
| 03/13/1979 | CA1050359A1 Decorative ceiling tile with coating of random expanded-in-place plastic globules |
| 02/21/1979 | EP0000781A2 Grid structure for ceiling or wall elements |
| 02/20/1979 | US4139972 Anchoring device |
| 02/20/1979 | CA1048728A1 Fixture support for grid type ceiling |
| 02/13/1979 | US4138808 Retainer clip for insulation or the like |
| 02/13/1979 | CA1048221A1 Coffered ceiling system |
| 02/06/1979 | US4137678 Vertically suspended foil structure for sound muffling and light scattering false ceilings |
| 01/23/1979 | US4135692 Hanger device |
| 01/23/1979 | US4135441 Integrated air diffuser |
| 01/23/1979 | US4135341 Roll-on ceiling for manufactured homes |
| 01/23/1979 | CA1046730A1 Suspension means |
| 01/16/1979 | US4134244 Cladding |
| 01/09/1979 | US4133160 Light reflecting and shielding modules for suspended ceilings and accessories therefor |
| 01/09/1979 | CA1045774A1 Suspended ceiling construction |
| 12/19/1978 | CA1044614A1 Flow control apparatus for air filters |
| 12/19/1978 | CA1044428A1 Protective edge configuration for structural sheeting units |
| 12/12/1978 | US4128978 Controlled expansion suspended ceiling grid beam |
| 12/12/1978 | CA1043980A1 Connecting element |
| 11/28/1978 | US4126971 Fixture hanging assembly |
| 11/21/1978 | US4126210 Elevator car with adjustable illumination level and distribution patterns |
| 11/07/1978 | US4123884 Modular construction for prefabricated house |
| 10/31/1978 | US4122762 Air-slot spacer clip |
| 10/24/1978 | CA1040919A1 Mounting assembly for air conditioning terminals |
| 10/03/1978 | US4118000 Apparatus for supporting a member from a drop-tile ceiling |
| 10/03/1978 | US4117642 Ceiling panel attachment clip |
| 09/26/1978 | US4115970 Grid ceiling trim intersection cap |
| 09/19/1978 | US4114327 Light fixture support |
| 09/19/1978 | US4114326 Fixture hanging assembly |
| 09/19/1978 | CA1038585A1 Controlled expansion suspended ceiling grid beam |
| 09/12/1978 | US4112550 Suspended ceiling hook |
| 08/22/1978 | US4109305 Relocatable suspended light fixture |
| 08/22/1978 | US4108563 Locking connection for suspension ceiling systems |
| 08/22/1978 | CA1036783A1 Ceiling tile assembly |
| 08/15/1978 | US4106878 Fire-rated ceiling grid cross joint |
| 08/15/1978 | CA1036309A1 Suspended ceiling panel |
| 08/01/1978 | US4103948 Anchoring device |
| 07/25/1978 | US4102104 Frame member |
| 07/18/1978 | US4101299 Apparatus for discharging smokes, fumes and greases from kitchens |
| 07/11/1978 | US4099941 Condenser ceiling for kitchens |
| 06/20/1978 | US4095385 Device for securing panels in a suspended ceiling or wall construction |
| 05/30/1978 | US4091845 Hanger wire bender |
| 05/30/1978 | US4091590 Structural element |
| 05/30/1978 | US4091588 Spring action panel interlock |
| 05/16/1978 | US4089146 Suspended ceiling |
| 05/09/1978 | US4088293 Lay-in light fixture retainer clip |
| 04/25/1978 | US4086480 Suspension ceiling and recessed lighting system |
| 04/18/1978 | US4084364 Compression strut for suspended ceiling |
| 04/11/1978 | US4083157 False ceiling or wall |
| 04/11/1978 | US4083153 Ceiling and wall structures having curved panels |
| 04/04/1978 | US4081931 Anti-smoke hanging wall and construction method |
| 03/28/1978 | US4080697 Arrangement for installation of ribbon-type enclosing structure |
| 03/21/1978 | US4079564 Sub-modular cross-tee attachment |
| 03/21/1978 | US4079563 Ceiling runner locking means |
| 03/07/1978 | US4077310 Air conditioning terminal assembly |
| 03/07/1978 | US4077168 Predecorated gypsum wallboard for impermeable wall |
| 02/21/1978 | US4074885 Ceiling support clip |
| 02/14/1978 | US4073108 Method and apparatus for rigidly interconnected ceiling and wall construction |
| 01/31/1978 | US4070840 Suspended ceiling construction |
| 01/24/1978 | US4070125 Suspended ceiling runner |
| 01/17/1978 | US4068444 Ceiling runner with closure strip |
| 01/17/1978 | US4068438 Ceiling runner |
| 01/03/1978 | US4065901 Connecting element for wall or ceiling panels when constructed by a dry method |
| 12/27/1977 | US4065090 Clip assembly for ceiling track railings |
| 12/27/1977 | US4064671 Stabilizer strut for suspended ceiling system |
| 12/20/1977 | US4063391 Ceiling system |
| 12/13/1977 | US4062164 Ceiling panel securing device |
| 12/13/1977 | US4062163 Alignment and stabilizing clip for acoustical tile installation |
| 12/13/1977 | US4062162 Clip for joining and maintaining alignment of acoustical tile in a starting row thereof |
| 11/29/1977 | US4060025 Air distribution ceiling |
| 11/15/1977 | US4057947 Joining and fixing structure for ceiling boards and panelling |
| 11/01/1977 | US4055930 Grid ceiling trim |
| 10/04/1977 | US4051639 Removable deck for a building structure interstitial space |
| 09/13/1977 | US4047348 Ceiling support grid system |
| 09/13/1977 | US4047347 Wall or ceiling panel construction |
| 09/13/1977 | US4047336 Lighting system |
| 08/30/1977 | US4044521 Roof insulation support system |
| 08/23/1977 | US4043689 Modular ceiling system |
| 08/16/1977 | US4041668 Clip structure for a concealed grid structure of a suspended ceiling |
| 08/16/1977 | US4041664 Joist, structural element and devices used in making same |
| 08/16/1977 | US4041658 Ceiling equipment for demonstration equipment |
| 08/16/1977 | US4041657 Fixture support for grid type ceiling |
| 08/09/1977 | US4040758 Suspended ceiling hanging clip |
| 08/09/1977 | US4040213 Unitary structural panel for ceiling and wall installations |
| 08/02/1977 | US4038801 Device for connecting parts on walls and ceilings |
| 08/02/1977 | US4038799 Joiner bulkhead method and apparatus |
| 07/12/1977 | US4034534 Louvered ceiling |
| 07/12/1977 | US4034531 Ceiling system |
| 07/05/1977 | US4034135 Rigid structure |
| 07/05/1977 | US4033083 Back fastening of mobile home ceiling boards |
| 07/05/1977 | US4033079 Replacement hold-down clip for suspended-ceiling panels |
| 06/21/1977 | US4030518 Air flow control apparatus |
| 06/07/1977 | US4027454 Hold down clip for ceiling tile in grid-type ceiling |
| 06/07/1977 | US4027446 Suspended screen ceiling |
| 05/31/1977 | US4026081 Suspended ceiling panel |
| 05/24/1977 | US4025019 Ceiling fixture and hanging clamp assembly |