Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 4511113 | Hangar device for a recessed lighting unit A hangar device for holding a recessed lighting fixture to a pair of beams utilizing a pair of elongated members movable in relation to one another. Each of the elongated members includes a shaft and an end piece angularly disposed in relation to the shaf... | 04/16/1985 |
| 4457672 | Fan with variable axis impeller A fan assembly has a main body support and a mounting member which are inclined at a predetermined angle thus permitting the fan assembly to be mounted either adjacent to the upper edge of a wall or in a corner of a ceiling. A rotating grill disperses a c... | 07/03/1984 |
| 4446818 | Hanger for conveyor tubes and the like A hanger for supporting an auger conveyor tube in a given angular position is provided. The hanger comprises a hanger element defining a hole for receiving the conveyor tube, and a number of recesses communicating with the tube hole. Each recess is adapte... | 05/08/1984 |
| 4444372 | Tensile force absorbing anchoring in concrete At anchoring in concrete, plugs and/or expanders are used; which require relatively deep holes for providing the strength required. In order to reduce the necessary hole depth without deteriorating the strength, and in general to facilitate and render che... | 04/24/1984 |
| 4441282 | Suspended ceiling A suspended ceiling, and components therefor, are described in which a carrying structure, for example in the form of carriers arranged in a grid, have depending therefrom a number of suspension units and a slat assembly, which may have decoratively dispo... | 04/10/1984 |
| 4412478 | Air distribution method and apparatus for effecting the same Apparatus and method for changing the temperature of a room by moving warm air into or out of a room, and for effecting its distribution. A fan is removably and reversibly mountable on a bracket located on the upper portion of a doorframe in a manner whic... | 11/01/1983 |
| 4406216 | Ventilator device and mounting arrangement therefor A ceiling ventilation device, mountable in an opening in a ceiling between a pair of ceiling joists, includes a pair of mounting brackets. Each bracket, attachable at its ends to a pair of ceiling joists, includes a pair of spring biased mounting tangs sp... | 09/27/1983 |
| 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 |
| 4377025 | Method of mounting heat exchanger support system Arrangements for supporting a heat exchanger core within a steel frame structure by a hanger system utilizing flexible members pivotably coupled to overhead support beams. Balancing beams are employed to equalize the load transmitted through the system to... | 03/22/1983 |
| 4351506 | Loop for leveling a hanging lamp A loop for leveling a hanging lamp. The loop has several notches for holding the lowermost link of a swag chain at several possible positions along the interior of the loop. The loop is then affixed to a lamp in a manner which permits turning it to any de... | 09/28/1982 |
| 4319421 | Ceiling grid suspension display device A portable display device in the form of an open basket of a plurality of open grid members that is detachably supported by attached flanges to the horizontal support members of a suspended panel ceiling. The basket display device, when so mounted, furnis... | 03/16/1982 |
| 4274615 | Attachment clamp for lighting fixture The present invention relates to an attachment clamp adapted to be mounted to a ceiling, such as a dry wall or acoustical tile ceiling, for structurally supporting a lighting fixture to the ceiling. The attachment clamp, which is formed of an integral res... | 06/23/1981 |
| 4272804 | Lighting panel trim element A lighting panel trim element for attachment to the outer marginal edges of a lighting panel is disclosed as having a throat section for receiving the top, side and bottom marginal edges of the lighting panel, a horizontal wall section for mounting the li... | 06/09/1981 |
| 4234916 | Lighting fixture A lighting fixture adapted to be mounted on a ceiling by attachment to an outlet box in the ceiling. The fixture comprises a pan having an upwardly extending rim and a crossbar attached to the bottom of the outlet box in a position extending horizontally ... | 11/18/1980 |
| 4230900 | Power pole assembly The specification discloses a power pole assembly for bringing wiring through a hollow power pole from above and through a suspended grid supported ceiling is secured to a crossbar which in turn can be joined to spaced grid rails at any points along their... | 10/28/1980 |
| 4227355 | Support system for sound absorbing panels A hanger bracket is disclosed for supporting and connecting sound absorption panels wherein the panels have a top frame member with a depending lip portion. The hanger bracket is usable for both fixed and movable sound absorption walls. The hanger bracket... | 10/14/1980 |
| 4223488 | Ceiling hanger A ceiling hanger adapted to be removably installed on a horizontal supporting strip of a tile ceiling structure wherein tile panels are provided with edge portions resting on opposed edge portions of the supporting strip. The hanger includes a plate havin... | 09/23/1980 |
| 4208702 | Mounting means for lamp fixture A fluorescent lamp fixture having mounting brackets provided with keyhole-shaped openings for accommodating mounting screws. The mounting brackets have cover flaps for concealing the screws, and the flaps contain locking tabs for preventing dislodgment of... | 06/17/1980 |
| 4193571 | Suspension system The suspension system is formed of a holder and a support member which is locked in the holder. The holder has a pair of shaped apertures which are disposed in opposed parallel relation which serve to receive constricted portions of the support member. Th... | 03/18/1980 |
| 4180226 | Electrical outlet box support A support for mounting an electrical outlet box in an aperture in a building panel, said support comprising a U-shaped yoke having a base portion, a pair of legs substantially normal to the base portion and a support foot extending outwardly from each leg... | 12/25/1979 |
| 4162779 | Outlet box mounting device A light fixture mounting device is disclosed wherein a service outlet box has a mounting adaptor with light fixture suspension means providing temporary suspension of a light fixture during installation and connection of the electrical wiring and subseque... | 07/31/1979 |
| 4122762 | Air-slot spacer clip In one exemplary embodiment, a construction clip for rigidly interconnecting and uniformly spacing a pair of ceiling inverted-tee support members defining an air conditioning air-slot through the ceiling is provided. Further, the clip provides support for... | 10/31/1978 |
| 4114327 | Light fixture support A light fixture support is provided comprising a support bar having slots at the extremities which cooperate with inverted "T" members forming the framework for a conventional suspended ceiling to adjustably locate and secure a light fixture within the fr... | 09/19/1978 |
| 4088293 | Lay-in light fixture retainer clip A hold-down and retaining clip for a lay-in light fixture secures the fixture to the T-bar frame of the suspended ceiling against both vertical and lateral movement. The main body portion of the clip has an L-shape configuration adapted to lie substantial... | 05/09/1978 |
| 4086480 | Suspension ceiling and recessed lighting system An integrated suspension ceiling and recessed lighting fixture system is disclosed in which a fixture is supported primarily on arched bridging members which extend between parallel runs of the grid of the suspension ceiling. The bridging members lock at ... | 04/25/1978 |
| 4065090 | Clip assembly for ceiling track railings A clip assembly is disclosed for suspending objects from conventional track railings employed for supporting ceilings of the panel type. The clip has oppositely disposed side walls which are joined at one end and which have oppositely disposed end portion... | 12/27/1977 |
| 4048491 | Recessed lighting fixture A recessed lighting fixture which can be mounted in a wall or ceiling and requires a minimal opening for insertion. After the lighting fixture has been secured in the opening, normally no plastering or refinishing is required. A plurality of fasteners are... | 09/13/1977 |
| 4041657 | Fixture support for grid type ceiling A fixture support for a grid-type ceiling, comprising spaced clip means adapted for mounting on spaced, generally parallel, inverted T-shaped, in cross section, grid bars, with the clips having a plurality of vertically spaced openings therein for mountin... | 08/16/1977 |
| 4015811 | Support for a vaulted ceiling module - II Suspended ceiling systems are formed from a series of modules which may have a vaulted design and a light fixture therein. These modules must be supported from the main runners or cross tees of a suspended ceiling system. The support structure herein is f... | 04/05/1977 |
| 3995798 | Support for a vaulted ceiling module Suspended ceiling systems are formed from a series of modules which may have a vaulted design and a light fixture therein. These modules must be supported from the main runners or cross tees of a suspended ceiling system. The support structure herein is f... | 12/07/1976 |
| 3994462 | Shelf couple and hanger assembly A shelf couple assembly for mounting shelves on walls, wall studs, or rafters utilizes a unitary shelf-gripping couple having a protruding cantilever platform with raised rearward and forward portions and downwardly projecting barbs for fixedly supporting... | 11/30/1976 |
| 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 |
| 3930631 | Mounting device particularly for ceiling or wall fittings A mounting device, particularly for ceiling or wall fittings, comprising a first member adapted to engage a means of attachment provided in a mounting surface by means of a fastening device whereby said first member will bear against said mounting surface... | 01/06/1976 |
