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| Number | Title | Issue Date |
| 7210995 | Roof air make-up for exhaust of fire smoke A system for introducing make-up air into a building from above the roof for smoke control includes air shafts extending from the roof into a space in the building below a layer of smoke. The air shafts can be rigid or can be made of a flexible material which folds ... | 05/01/2007 |
| 7160185 | Air transfer apparatus An air transfer apparatus which includes a door frame having a top, a bottom and opposed sides. The top, bottom and opposed sides define a door receiving cavity. A door is positioned within the door receiving cavity. The door is pivotally mounted to one of the oppos... | 01/09/2007 |
| 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 |
| 6945058 | Cooling of data centers In a cooling system for cooling racks in a data center, cooling fluid is circulated in the data center by a cooling device having a fan. In addition, this system includes a plenum having a plurality of returns and an outlet. The outlet of the plenum is in fluid comm... | 09/20/2005 |
| 6834512 | Cooling of data centers In a cooling system for cooling racks in a data center, cooling fluid is circulated in the data center by a cooling device having a fan. In addition, this system includes a plenum having a plurality of returns and an outlet. The outlet of the plenum is in fluid comm... | 12/28/2004 |
| 6832489 | Cooling of data centers In a cooling system for cooling racks in a data center, cooling fluid is circulated in the data center by a cooling device having a fan. In addition, this system includes a plenum having a plurality of returns and an outlet. The outlet of the plenum is in fluid comm... | 12/21/2004 |
| 6832490 | Cooling of data centers In a cooling system for cooling racks in a data center, cooling fluid is circulated in the data center by a cooling device having a fan. In addition, this system includes a plenum having a plurality of returns and an outlet. The outlet of the plenum is in fluid comm... | 12/21/2004 |
| 6491580 | Individual room duct and ventilation system for livestock production building The present invention relates to a duct and ventilation system for livestock production buildings. The building comprises a plurality of containment rooms for livestock, a pit beneath the room, an attic above the rooms, a ventilation duct for each room an... | 12/10/2002 |
| 6484524 | System of and a method of cooling an interior of a room provided with a wall air conditioning unit A system of and a method of cooling an interior of a room provided with a wall air conditioning unit has an air conditioning unit installable in a the wall of the room and having an inlet for entering of an outside air and an outlet which is open into the... | 11/26/2002 |
| 6319115 | Air cycle houses and house ventilation system An indoor space is externally enclosed and thermally insulated by an underfloor insulating layer, a wall insulating layer and a ceiling insulating layer. An underfloor ventilation layer is defined between a floor and the underfloor insulating layer, and a... | 11/20/2001 |
| 6287191 | Combination bath fan, register box, air conditioning and heating boot A combination bath fan, register box, air conditioning and heating boot requires one opening on the wall or the ceiling of the bathroom, thus reducing the installation and maintenance costs associated with the ventilation of the bathroom. The combination ... | 09/11/2001 |
| 6109049 | System for cooling outdoor golf practice tees A system for cooling outdoor golf practice tees is incorporated into a practice facility including a building that houses, perhaps, five or so practice tees, each of which is partially enclosed by building structure. Within the ceiling of the building, a ... | 08/29/2000 |
| 6021953 | Year-round air conditioning apparatus and method An apparatus which may be used year-round for dehumidifying air in the enclosed space of a building to comfortably allow a higher temperature during summer conditions and for exchanging air in the enclosed space year-round with fresh air to provide a more... | 02/08/2000 |
| 5989119 | Automatic power flow fresh air inlet A modular automatic power flow fresh air inlet comprising a housing having fresh air openings between a source of fresh air and a room, having an adjustable static pressure to be ventilated. The fresh air openings may be controlled by a valve plate pivota... | 11/23/1999 |
| 5964659 | Ventilated enclosure for gas cylinders and manifolds Method and apparatus for increasing the velocity of sweeping gas as it moves across a gas delivery system contained in a hazardous material delivery enclosure, e.g. a gas cabinet valve manifold box or gas isolation box. An exhaust port with selectively op... | 10/12/1999 |
| 5924921 | Apparatus for storing volatile chemicals A ventilated cabinet apparatus for the storing of volatile chemicals. This apparatus is a ventilated cabinet for the storing of volatile or poisonous chemicals utilizes a vacuum pump drawing air out of the back of the cabinet to disperse the volatile gase... | 07/20/1999 |
| 5779537 | Deposit cupboard for solvents, combustible liquids and the like A deposit cupboard (1) for solvents, combustible liquids and the like, comprises shelves (2) and at least one door. The cupboard is assigned an air intake holes (20) and an exhaust device (5), and distinguishes itself through the following combination of ... | 07/14/1998 |
| 5775988 | Method and means for improved sidewall ventilation A ventilation inlet includes a housing having two air inlets apertures, a solid wind-deflecting rear wall, and a baffle supported for pivotal movement about a pivot point. A spring or other biasing mechanism is operatively connected to the baffle. Air ent... | 07/07/1998 |
| 5746653 | Air distributor or collector The apparatus can distribute and collect air. As a collector, a fan draws air from the proximal end of an elongated tube disposed in an air-environment. The tube is closed at the distal end but receives air all along its length through its air-permeable w... | 05/05/1998 |
| 5676596 | Controller for animal enclosure ventilation system A control device for operating drive motors of closure devices that is reponsive to air pressure differential inside and outside an enclosure and including a housing that will extend through a wall of the enclosure, vanes in the housing and adjustably wei... | 10/14/1997 |
| 5664997 | Apparel and equipment locker incorporating contamination and toxic materials extraction and evacuation system A locker incorporating a contamination and toxic materials extraction and evacuation system. An enclosure is provided with an access opening and an access door which when open enables the placement of wearing apparel and other contaminated equipment withi... | 09/09/1997 |
| 5619862 | Multi-channel motor vehicle ventilation apparatus A dual channel motor vehicle ventilation apparatus provides independent air temperature control. The apparatus comprises a housing having at least one air inlet and a first and second air outlet. First and second fluid communication channels are provided ... | 04/15/1997 |
| 5472466 | Smoker's module Disclosed is a smoker's module for isolating, containing, venting, and filtering tobacco smoke with a self-contained expandable modular structure adapted for use as both a freestanding unit and as an addition within an existing structure. The smoker's mod... | 12/05/1995 |
| 5435377 | Ventilator with air-to-air heat exchanger and pressure responsive damper A ventilator for clothes dryers and the like includes a counterflow heat exchanger through the wall of the building containing the apparatus, with an entry passage for ambient air entering the building and an exist passage for heated waste air leaving the... | 07/25/1995 |
| 5360372 | Control system for doors of a negative air pressure enclosure A decontamination chamber entranceway to an asbestos removal work area includes rigid swinging doors for a rapid escape from the contaminated work area due to an emergency such as a fire or smoke. Also during a power failure it is easy for the workers to ... | 11/01/1994 |
| 5302151 | Variable air flow eddy control Methods and apparatus for controlling the flow of fluid around an object which include means to periodically vary or fluctuate the direction, speed or magnitude of the fluid flow. The fluid flow is particularly controlled to control eddy formation. The fl... | 04/12/1994 |
| 5236391 | Flush-mounted air intake A corrosion-free, condensation-free, flush-mounted automatic air intake has a rectangular plastic frame insertable into an agricultural building ceiling or wall opening and fastenable thereat. The frame has a flange therearound for mounting and supporting... | 08/17/1993 |
| 5206173 | Air hood In a composting process, a heat conductive ventilation hood overlying a compost pile undergoing active composting. The hood is shaped so that process air emanating from the pile contacts the undersurface of the hood while ambient outside cool air is cause... | 04/27/1993 |
| 5187949 | Air conditioner having a selectable air discharge An air conditioner includes vertically spaced cooling and heating sections to which air is selectively supplied from a room by means of a blower. The blower is arranged vertically intermediate the cooling and heating sections. A deflector is movable betwe... | 02/23/1993 |
| 5176566 | Variable air flow eddy control Methods and apparatus for controlling the flow of fluid around an object which include means to periodically vary or fluctuate the direction, speed or magnitude of the fluid flow. The fluid flow is particularly controlled to control eddy formation. The fl... | 01/05/1993 |
| 5173094 | Positive-pressure filter arrangement for hazardous gases A filtration system for removing gaseous and particulate contaminants from a contaminated structure includes a positive pressure source for raising the static pressure within the contaminated structure above an ambient pressure; and a decontamination tunn... | 12/22/1992 |
| 5145460 | Rolling ramp gasket assembly A gasket assembly for use with a ventilation control apparatus in a building ventilation system in a building. The building ventilation system includes inlet and outlet vents and a fan. A plurality of generally narrow continuous openings are formed in a c... | 09/08/1992 |
| 5076151 | Burial monument vault air circulation and filtration system A system for promoting air circulation through the crypts of a burial monument vault in which coffins are exposed, and for treating the air evacuated therefrom by an activated charcoal-based filter panel wherein the odors from the decomposing body in the ... | 12/31/1991 |
| 4988237 | Soil gas reduction system A system for extracting radon and other gases from a subterranean cavity beneath a floor slab and venting of collected gases to the atmosphere is provided which conducts cool, naturally occuring radon and other gases under high vacuum across a vacuum pump... | 01/29/1991 |
| 4843786 | Enclosure conditioned housing system A continuous building basement wall and floor cavity, formed by the foundation wall and floor enclosure on the outside, and an attached inner air and vapor barrier structure, insulated as appropriate, is drained and ventilated to inhibit and prevent soil ... | 07/04/1989 |
| 4823679 | Building ventilation system with air inlet flap control In a ventilation system for a building in which air is extracted by a fan arrangement, an inlet flap arrangement is provided for a ceiling opening which comprises a foamed material flap member mounted directly covering the ceiling opening. The flap member... | 04/25/1989 |
| 4706551 | Enclosure A controlled access enclosure comprises an external frame (1) within which is suspended a cover (15). Access is gained to and from the unit by means of a zipped opening (20) in one part of the enclosure and a flap door arrangement in another part of the e... | 11/17/1987 |
| 4671350 | Ventilation and heat exchanging system for premises housing animals, in particular for poultry farming Ventilation and heat exchanging system for premises housing animals, especially poultry, the system having one or more fans, one or more ducts for outgoing air which extends through an inner ceiling to a general collecting air flue, on the sides of which ... | 06/09/1987 |
| 4498373 | Air inlet system In negative pressure ventilating system wherein atmospheric air is introduced along the walls of a building adjacent the roof, insulated, hinged valves provided within the associated airways rise automatically from their lower, fully closed position by th... | 02/12/1985 |
| 4316405 | Greenhouse and solarium structurers and related method In one form a greenhouse or solarium is provided in which the glazing is spaced from its supporting structure by channels employed along the end edges and top edge of the greenhouse or solarium structure. The spacing is effected by the use of channels whi... | 02/23/1982 |
