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| Number | Title | Issue Date |
| 8093511 | Ceiling suspension assembly A ceiling suspension assembly for suspending an object in a cable, cord or string (51) from a ceiling includes a ceiling fitting, cover or casing (25) and a suspension device (1). The suspension device is adapted to be attached to the ceiling su... | 01/10/2012 |
| 7281355 | Integrated ceiling and wireway distribution system Ceiling panel assemblies are conventionally suspended from a building structure, and each panel assembly has a core panel provided with dividers and spacers, and panel bridging members to allow cables to be strong in the ceiling as required to accommodate the power ... | 10/16/2007 |
| 6646203 | Cable rack An all-purpose, lower production cost cable rack structure comprised of a rack and an upper lid, containing multiple separators each having at its lower edge formed a press seat adhered to the bottom inside the rack, a latching track protruding from the t... | 11/11/2003 |
| 4788383 | Electrical junction box for support of a hanging appliance An electrical junction box for supporting a hanging load includes a base plate and a sidewall extending from it. The base plate has a pair of square bolts holes at opposite positions next to the sidewall. The sidewall has a pair of tabs bent inward, each ... | 11/29/1988 |
| 4727587 | Acoustical transducer mounting arrangement An improved ceiling mountable acoustic transducer mountable in a ceiling tile without the cutting of a hole. A pair of elongated members which pierce the ceiling tile are attached to a housing which holds the acoustic transducer. The housing is held in co... | 02/23/1988 |
| 4686381 | Overhead wiring system An overhead wiring system for use in the suspended ceiling of a clean room includes a generally rectangular housing with closed top, side and end walls and a substantially open bottom. A plurality of movable panels are provided in the bottom to close the ... | 08/11/1987 |
| 4631648 | Modular suspended ceiling and lighting system A master power track is mounted along the periphery of a suspended ceiling. Plug-in-connected with this master track are light-weight modular power tracks serving as grid members of the suspended ceiling. The master track, which also serves as the convent... | 12/23/1986 |
| 4540847 | Electrified ceiling system A ceiling structure which comprises a plurality of mutually parallel, mutually spaced apart, hollow, metallic and longitudinal members formed of a plurality of longitudinal segments in end to end relation, a plurality of metallic transverse members having... | 09/10/1985 |
| 4534147 | Duct molding and cable mounting clips A duct molding for cables is provided for securely and efficiently mounting cables on the outside portion of a wall and/or ceiling. The subject duct molding includes an elongated tubular duct molding portion having a base and cover which can be at least p... | 08/13/1985 |
| 4467577 | Intumescent fire barrier material laminated with restraining layer An intumescent composite comprising a layer of intumescent sheet material having a restraining layer laminated thereto provides a superior intumescent barrier for use in sealing penetrations through floors, partitions and ceilings from smoke, fire, gas an... | 08/28/1984 |
| 4385550 | Whole house fan A whole house ventillator which can be installed without framing and cutting joists. Struts below the fan blade serve as a support for a fan motor and for a venturi. Adjustable pre-cut sleeving fits over the joists and around the fan to eliminate framing.... | 05/31/1983 |
| 4367417 | Overhead lighting electrical distribution system An overhead raceway or duct is pre-wired with six conductors, including two hot legs and two switch legs. Identical six socket receptacles are spaced along the raceway, the corresponding sockets of each receptacle being pre-wired to the same conductors. T... | 01/04/1983 |
| 4286419 | Building structure and coupling profile associated therewith U-shaped coupling profiles hold in a building structure a floating ceiling or they constitute a grating to which sound-absorbing components or lighting fittings can be secured. A number of the coupling profiles are, in addition, adapted to supply or condu... | 09/01/1981 |
| 4284840 | Service pole assembly An assembly is disclosed featuring a utility service pole bottomed on a floor of a room, a pole hanger fixed to a ceiling suspension member and a connector therebetween which not only serves to cooperate with the hanger to maintain the service pole in an ... | 08/18/1981 |
| 4001571 | Lighting system An improved system for lighting a floor area in a building. A plurality of lighting fixtures mounted in a ceiling structure for lighting the floor area are connected in one or more branch circuits. Each branch circuit is defined by a plurality of plural c... | 01/04/1977 |
| 3931452 | Device for attachment of ceiling-supended equipment A method and girder structure for attachment of ceiling-suspended equipment in operating theatres, X-ray-and examination rooms with joists and intermediate ceiling in hospitals, clinics and surgeries, a permanent load-carrying structure being attached to ... | 01/06/1976 |
