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| Number | Title | Issue Date |
| 7140960 | Boot hanger mounting bracket The present invention relates to duct systems, registers and ductwork components used with floor or ceiling registers employed in warm air heating, ventilating and air conditioning systems, and specifically to improvements for mounting and installing the components ... | 11/28/2006 |
| 7131792 | Alignment and support apparatus An apparatus for supporting and aligning one or more otherwise unsupported conduits in predetermined relation to a self-supported conduit. ... | 11/07/2006 |
| 7108600 | Air duct register The present invention provides an air duct registrer for adding forced air (heat, air conditioning), exhausting air or simply to balance air quality. The air duct register has a manifold and is designed with a removable manifold collar connectible to the flexible or... | 09/19/2006 |
| 7094143 | Security housing having ventilation openings A security housing contains a housing body having ventilation openings for supplying air to a heat source, in which air convection takes place for dissipating heat. First air guide elements are disposed in the housing body on a first side of each of the ventilation ... | 08/22/2006 |
| 7022010 | Air conditioner with a circular air diffuser system A ceiling has an upper surface, a lower surface and a circular aperture. A boot has a cylindrical lower section and a large circular cross sectional configuration and with a cylindrical upper section and a small circular cross sectional configuration. The diameter o... | 04/04/2006 |
| 6945735 | Alignment and support apparatus An alignment and support device for supporting and maintaining correct alignment of at least one pipe or conduit inside a form board during a concrete pour operation, the device comprising at least two attachment points for holding a pipe or conduit, and at least on... | 09/20/2005 |
| 6935600 | Suspension holding device and method of use Disclosed herein is a support component for suspending a load, comprising: a main body, wherein the main body comprises: a hollowed portion bordered by a top side wall opposite to a bottom side wall, and a proximal lateral side wall opposite to a distal lateral side... | 08/30/2005 |
| 6652375 | Air-conditioning register and boot assembly A register and boot assembly for a ducted heating or air conditioning assembly is provided which has a boot member, a register mounting member detachably connected to the boot member and a register face member mounted on the mounting member to cover the f... | 11/25/2003 |
| 6601356 | Connector frame for ventilation opening A connector frame for use as a support member for mounting grilles at ventilation openings in a building structure. The connector frame allows the grills to be mounted in slightly different locations to hide imperfections at the edges of the ventilation o... | 08/05/2003 |
| 6302784 | Modular air vent assembly kit A modular air vent assembly kit can be used to cover duct openings that supply a flow of heated or cooled air to a room in addition to covering duct openings that receive return air from a room. The modular air vent assembly kit is comprised of a base, a ... | 10/16/2001 |
| 6227962 | Vent coupler A vent coupler has first and second leg portions and a latch element extending between the leg portions. The coupler may be formed from a single piece of wire and be detachably coupled to a vent damper. The latch element is inserted into a respective air ... | 05/08/2001 |
| 6192640 | Double divisible connector frame for mounting air grilles and louvers to heating and cooling duct outlets A double divisible connector frame for use as a support member for mounting return grilles and louvers in a building structure which is rectangular in shape and having a planar surface on one side and a pair of precisely-similar spaced-apart continuous re... | 02/27/2001 |
| 6012260 | Air vent insert An air vent insert for mounting to the perimeter of a vent opening in a building structure to provide threaded mounting holes for an air vent cover. The insert includes an open frame having front and back faces, generally rectangular inner and outer perim... | 01/11/2000 |
| 6007422 | Universal damper mounting system and method A universal damper mounting system and method for mounting a damper within an opening in a wall includes the use of a plurality of metal straps, each of which is initially formed into an roughly S shape with one leg being longer than the thickness of a wa... | 12/28/1999 |
| 5800259 | Grill assembly A grill assembly comprising an anchor member adapted to fit in a duct around the periphery of a duct opening. Tie members may be slidably attached to the anchor member so that it projects outwardly from the anchor member for receiving a frame. A damper an... | 09/01/1998 |
| 5771647 | Grille assembly and related method Disclosed is an air-flow-directing grille assembly of the type having two frame members and a grille bar supported by such frame members for pivoting movement about a grille bar axis. In the improvement, each frame member has a hole, the bar has an axle e... | 06/30/1998 |
| 5671610 | Fan guard of a freezing chamber in a refrigerator A fan guard of the freezing chamber in the refrigerator directs the cool air ejected from the cooling fan into the freezing chamber in quantities for shortening the time required for maintaining the optimum ambience of the freezing chamber, economizing th... | 09/30/1997 |
| 5338256 | Ventilator A ventilator for ceilings, walls or floors comprises two principal integers, an outlet means and a ventilation tube connector. These integers may be connected by screw-thread means which is operable from outside the ventilator either manually or by means ... | 08/16/1994 |
| 5176570 | Filtered cold air baseboard return A filtered cold air return register particularly for base board units which provides for a removable replacement filter section in combination with the normally provided duct covering or end section. The unit provides a filter device for the return air pr... | 01/05/1993 |
| 5121675 | Device for supplying air to and if need be evacuating air from a room In a device for aerating and, if necessary, deaerating a space by means of individual nozzles arranged in a casing box (4, 4a), at least one individual nozzle (14) is rigidly mounted in a nozzle grid (5, 5a) arranged so as to swivel about an axis of the c... | 06/16/1992 |
| 4573328 | Apparatus for mounting a packaged terminal air controller to a plastic well sleeve A plastic sleeve assembly and an air conditioning unit are disclosed for mounting the air conditioning unit in a through-the-wall application. The sleeve assembly includes flange members with transverse ribs therebetween. The flanges have screw holes ther... | 03/04/1986 |
| 4383666 | Safety construction for aircraft Pressure equalization between the upper and lower compartments of an aircraft is provided through normally covered openings along the edges of the floor of the upper compartment. The covers each are comprised of a double-flap arrangement in which one flap... | 05/17/1983 |
| 4325229 | Interior air conditioner cover The present invention relates to a weather tight cover which overlies the portion of a through-the-wall air conditioner that protrudes into a room. The cover has a peripheral sealing gasket to tightly fit against the molding or wall surfaces surrounding t... | 04/20/1982 |
| 4208010 | Ventilator assembly A foundation ventilator assembly that includes a housing in which are received at least one, and preferably a plurality of pivotal louver type elements that may be moved from an open to a closed position. In a preferred arrangement the plurality of louver... | 06/17/1980 |
| 4050366 | Grating The present invention relates to an improved grating structure comprising carrying bars, and a plurality of ribs interlocked in said bars. Each of said ribs has holes strategically placed on their extremities such that a locking rod may be inserted throug... | 09/27/1977 |
| 3948155 | Air diffusers An air diffuser embodying a housing, defining an air chamber, adapted to be mounted in a suitable opening in a wall or ceiling of a room, and having an air inlet in one side thereof adapted to be connected to an air duct, or the like, and an air outlet on... | 04/06/1976 |
