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| Number | Title | Issue Date |
| 8152608 | Solar energy intercept and waste heat recovery system An energy management method and system for incorporation when constructing a building such that solar energy and waste heat is intercepted and diverted, in turn causing a reduction in the demand on the artificial heating and cooling unit. ... | 04/10/2012 |
| 7789740 | Crawlspace air apparatus A crawlspace encapsulation system for encapsulating a crawlspace of a building. The system includes a substantially impermeable barrier layer disposed in the crawlspace and isolating at least a portion of the crawlspace from an outside atmosphere and an air circulat... | 09/07/2010 |
| 7582008 | Centralized device for distributing and discharging air installations A centralized device for the distribution and discharge of air causing the evaporation of a carrier in a number of user installations each having an intake channel and a discharge channel, comprising a single manifold for the reception, delivery and discharge of air... | 09/01/2009 |
| 7210363 | Scan testable filter housing assembly for exhaust applications A filter housing assembly for exhaust applications and method of testing the same is provided. In one embodiment, the filter housing assembly includes a housing having a filter receiving aperture, a first air flow port configured to couple the housing to an exhaust ... | 05/01/2007 |
| 7137881 | Protective bed unit A protective bed includes a shield comprising bullet-proof and impact resistance material that surrounds a metal frame. The shield operably separates to provide access to an interior sleeping area. Quick access doors are located on either side of the bed. A ventilat... | 11/21/2006 |
| 7094142 | Portable device with interchangeable air cleaning modules for cleaning the air outside of an existing enclosed space and delivering the cleaned air into the existing enclosed space A portable device that is placed between the ambient air outside an existing enclosed space and the existing enclosed space that pulls the ambient air through an interchangeable array of air cleaning modules and delivers the cleaned air from the air cleaning modules... | 08/22/2006 |
| 7086740 | Injection-molded vent screens A projection device is provided, wherein the projection device includes a casing, a plurality of electronic components mounted within the casing, a vent in the casing disposed substantially adjacent to an electronic component, and an injection molded, electrically n... | 08/08/2006 |
| 7079899 | Wound healing with feedback control A method of promoting the healing of a wound disposed in soft tissue and having a physical extent is disclosed, comprising the steps of providing control circuitry to control the application of electrical current through a plurality of electrodes; applying three or ... | 07/18/2006 |
| 7016737 | Method and device for wound healing A method of promoting the healing of a wound disposed in soft tissue and having a physical extent is disclosed, comprising the steps of providing control circuitry to control the application of electrical current through a plurality of electrodes; applying three or ... | 03/21/2006 |
| 6979260 | Method and device to prevent indoor release of carbon monoxide and smoke from combustors A device to prevent indoor release of carbon monoxide and smoke from indoor combustors (stoves, furnaces, fireplaces, etc.). The device is based on a discovery that safe operation of indoor burners requires the air pressure in the room housing the burner to be relat... | 12/27/2005 |
| 6966830 | Device for ventilation and/or air circulation A device comprising a rotor and fan rotatably mounted on a shaft which is rigidly fixed relative to a vehicle surface. The device is fixable on a vehicle surface by means of two clamping portions which are moveable towards each other along the shaft to press against... | 11/22/2005 |
| 6958010 | Crawl space ventilation system A fan unit centrally located within a crawl space includes a fan, a fan motor, an inlet grill, and an outlet grill. A timer connected in the power supply activates the fan motor at periodic predetermined time intervals to move the crawl space air through the fan uni... | 10/25/2005 |
| 6948553 | Modular heat recovery ventilation system A modular heat recovery ventilation system includes a modular heat exchanger and a modular apparatus spaced from the heat exchanger for delivering both fresh air and exhaust air to the heat exchanger. The apparatus includes separate blowers for generating two separa... | 09/27/2005 |
| 6843718 | Method of guiding external air in a building shell and a building; and a method of temperature control of a building In order to heat external air in a building shell and/or in a building more effectively, the present invention suggests a method for guiding external air in a building shell and in a building, an inner gap being separated from an outer gap by a permeable layer in th... | 01/18/2005 |
| 6835128 | Ceiling mounted air filtering and distribution apparatus operated independently of any HVAC system A modular direct flow clean air delivery apparatus is disclosed that is particularly adapted for use in restaurants, banquet halls, meeting rooms, offices etc., where cigarette smoke and other pollutants need to be efficiently removed from the air in the room. The f... | 12/28/2004 |
| 6623351 | Transportable collective protection system A modulator transportable collective protection system for the decontamination and containment of personnel in a toxic free area. A contamination containment area is provided through which personnel are decontaminated prior to entering the toxic free area... | 09/23/2003 |
| 6517430 | Supply air system A supply air system for supplying air e.g. into a machine room. The supply air system comprises a supply air unit (12), to which means are connected for supplying the supply air from the outside air to the internal space, and an air treatment unit (14) in... | 02/11/2003 |
| 6321997 | Method for operating a stove in a building, and a device for carrying out this method Method to operate a combustion device in a house or similar building, with fossil fuel furnaces, such as wood or oil furnaces. Outdoor air is supplied to a heat exchanger that is connected to the smoke tube of the furnace, in such an amount that an interi... | 11/27/2001 |
| 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 |
| 5725426 | Portable and disposable sterilized operating environment A portable and disposable operating environment including at least one substantially flexible material panel which is removably secured to a rigid support so as to define and drape over an operating area. The portable and disposable operating environment ... | 03/10/1998 |
| 5722483 | Air exchange apparatus and method Apparatus and method for removing stale air from a residence or other enclosed space, and replacing that air with fresh air from outside the enclosed space. Stale air outlets are placed at the ceiling in one or more locations throughout the enclosed space... | 03/03/1998 |
| 5718627 | System and method for smoke free elevator shaft A system and method for maintaining elevator use during a fire includes a blower and a damper at opposite ends of an elevator shaft to create a full volume current of fresh air that engulfs a conventional elevator car traveling between floors. The unidire... | 02/17/1998 |
| 5554071 | Air-change system for a multi-storey building A ventilation system for a multi-storey building, which system comprises a ventilation apparatus mounted on a roof and provided with fans for generating an inlet air flow and a distributing channel for supplying the inlet air flow to various intermediate ... | 09/10/1996 |
| 5413529 | Multi-component housing A multi-compartment outer housing, positioned in an ambient fluid having an ambient pressure P, has a compressor developed fluid flow through the outer housing compartments. A multi-chamber inner housing is positioned in a housing compartment having a flu... | 05/09/1995 |
| 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 |
| 5194041 | Ventilation system for isolators A cage ventilation system for use in isolating a plurality of cages from an uncontrolled environment is provided, including a frame adapted to support cages in a plurality of vertically spaced shelves and an enclosure isolating all supported cages from th... | 03/16/1993 |
| 5176316 | System for alleviating and reducing moisture beneath a roofing structure An air ventilating system for use to ventilate and dehydrate and dehumidify the insulation immediately under the roof structure. The system includes an air intake member, to draw in relatively dry air, generally located above the roof surface, and a centr... | 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 |
| 5123874 | Knock-down sound attenuating system A knock-down sound attenuating system (10) is provided as a portable enclosure having significant sound attenuating properties, while still being easily assembled and disassembled. The knock-down sound attenuating system (10) includes a plurality of sound... | 06/23/1992 |
| 5101604 | Subterranean well welding habitat A fluid transmission conduit welding habitat is provided, having an outer air supportable arcuate dome which is mounted over a point to entrap welding slag, sparks, and the like. A fire-resistant shield is disposed around the interior of the dome. Air sup... | 04/07/1992 |
| 5097749 | Rolling ramp inlet A ventilation control apparatus for use with a building ventilation system in a building. The building ventilation system including input and outlet vents and a fan. An opening is formed in the ceiling of the building for introducing ventilating air flow ... | 03/24/1992 |
| 4993484 | Air to air heat exchanger An air to air heat exchange system for removing undesirable air from an enclosed structure. The heat exchanger provides for the removable of air containing pollutants, toxics gases and odors while providing for the recovery of heat from the exhaust air. T... | 02/19/1991 |
| 4982653 | Method and apparatus for ventilating an enclosure accessed by a manhole An air ventilation conduit and related process are provided for ventilating an enclosure accessed by a manhole. In one embodiment, the conduit has a pair of outer cylindrical sections and a central section having a cross-sectional shape of a crescent or a... | 01/08/1991 |
| 4955285 | System for covering the energy requirement of a room For lowering the energy requirement for a room (2) ventilated by a ventilating system (11 to 17) of a building (1), windows (4) and opaque wall parts of the outside wall (3) are designed so that the heat transfer numbers (kF and kW, respectively) are smal... | 09/11/1990 |
| 4953450 | Crawl space ventilator system A method, system and apparatus for venting the foundation of a building having a space provided below the floor of the building. Such space is ventilated by exhausting air from the space and drawing air into the space, only after sundown and before sunris... | 09/04/1990 |
| 4951555 | Show case for keeping and exhibiting objects Show case (1) for keeping and exhibiting objects, the sides (4), the bottom (3) and the cover construction (2) of which encompass the interior of the show case more or less hermetically, wherein filter means (7) comprising preferably dust and/or gas prote... | 08/28/1990 |
| 4942805 | Ventilated panel A modular office panelling system has been improved by providing an air circulation arrangement of selectively cool or remove heat from a particular area defined by the panelling system. Fans are provided in removable panel cover portions which can advant... | 07/24/1990 |
| 4923352 | System for manufacturing semiconductor under clean condition In semiconductor production plants a highly clean state is required. In a plant building, through which air is forcibly circulated, a clean room in a low or medium cleanliness state is formed using a filter. A plurality of processing units are provided in... | 05/08/1990 |
| 4920866 | Anti back draft device for flue Back draft is prevented in a conventional furnace or woodstove system in which the combustion gases are generally sufficient to generate the positive draft for combustion but occasionally fails due to pressure differences, combustion conditions or outside... | 05/01/1990 |
| 4917004 | Robot traveling duct for clean room A robot traveling duct for clean room in which a vertical laminar flow of air is produced from a ceiling filter toward a floor thereof, and in which the robot traveling duct is arranged within the clean room and below the ceiling filter and surrounds a gu... | 04/17/1990 |
