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| Number | Title | Issue Date |
| 7244390 | Fungus abatement system An apparatus and methodology for abating fungi in a building supported on a ground surface and having an upper enclosed living space and a lower enclosed space beneath the upper enclosed space and proximate or beneath the ground. The apparatus includes a blower posi... | 07/17/2007 |
| 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 |
| 7137772 | Retractable drum fan A retractable drum fan in which two housing sections are telescoped to form a housing, and an impeller is disposed in the housing for forcing air through the housing. The housing sections are movable between a retracted position and an extended position. ... | 11/21/2006 |
| 7028506 | Indoor unit of packaged air conditioner Disclosed is an indoor unit of a packaged air conditioner including a cabinet having an inlet grill at a lower part and an outlet grill at an upper part so as to provide a circulation space of an indoor air, an evaporator established on a slant at an inner upper par... | 04/18/2006 |
| 7003216 | Space heater A portable space heater is provided in which a sealed vessel includes electrical heating elements for containing a fluid to be heated. A cooling tube communicates between an outlet at a top of the vessel and an inlet pipe extending down into the vessel. The inlet pi... | 02/21/2006 |
| 6965848 | Ducting system designer A method and means for automating the design of a ducting system for a fluid is proposed. Boundary data identifying boundary conditions of the ducting system, which boundary data comprises positional information in a three dimensional installation space and magnitud... | 11/15/2005 |
| 6955596 | Air flow producer for reducing room temperature gradients An air flow producer mounted at the ceiling of a room generates an air flow toward the floor, reducing temperature gradients and improving heating and cooling efficiency. A housing defines a circular cylindrical, vertical flow passage that receives the air flow. A d... | 10/18/2005 |
| 6843063 | Method and device for saving energy in indoor cooling and heating Energy saving in indoor air conditioning is achieved by combining indoor air vertical convection producing means and indoor air conditioning means. A fan for performing suction and exhaust of air for vertically circulating the indoor air through suction and exhaust ... | 01/18/2005 |
| 6540605 | Air circulating method and device A method for circulating the air contained within an enclosure so as to reduce the vertical air temperature stratification. The method includes the steps of positioning a piece of furniture within the enclosure so as to create an air circulating conduit. ... | 04/01/2003 |
| 6361431 | Method for ventilating an internal space by rotating air flow A method for ventilating an internal space by rotating air flow comprises a step of blowing out a jet of internal air having a vertically long rectangular cross section and uniform blowout velocity distribution over the cross section horizontally along th... | 03/26/2002 |
| 6248014 | Self-contained activity module A self-contained activity module comprises a base assembly, a first service housing and distribution unit positioned on the base comprising walls forming at least one service passage, and a second service housing and distribution unit positioned on the fi... | 06/19/2001 |
| 6209335 | Environmental distribution control module Enhanced controls added to conventional heating and air conditioning equipment provides a uniform comfort environment though out the structure. Enhanced control module monitors variously placed sensors within the structure and activates a conventional fan... | 04/03/2001 |
| 5453049 | Corner air filtration unit Air purification or filtration unit having a triangular housing, with the open front face being the hypotenuse of the triangle. The unit is particularly adaptable for use with conventional sized high efficiency particulate air, or HEPA filters and low pen... | 09/26/1995 |
| 5327731 | Cold storage warehouse with cryogenic test site A cold storage warehouse is provided in the configuration of a generally circular or octagonal structure. The center of the cold storage warehouse is configured as a cryogenic test site with separate cubicles provided for low temperature research and deve... | 07/12/1994 |
| 5042366 | Decorative air temperature equalizing column for room A decorative air temperature equalizing column for placement in a room and circulating air from the upper portion of the room to the lower portion thereof including a hollow columnar member, an air inlet in the upper portion of the columnar member, an air... | 08/27/1991 |
| 4950871 | Arrangement for heating rooms uniformly trough the equalization of the temperature distribution between the ceiling and the floor regions An arrangement for the uniform heating of a room, especially a living room, by equalization of the temperature distribution between the ceiling and floor of the room. The arrangement includes at least one upright column extending between the ceiling and f... | 08/21/1990 |
| 4945820 | Air circulating device An air-circulating device which can be employed in rooms having different sizes and comprises a base adapted to be mounted on a room wall, a first duct attached to the base and having a first air port, a second duct attached to the base and having a secon... | 08/07/1990 |
| 4801262 | Low velocity air seal A low velocity oven seal for use with an elongated oven complex of the type in which articles to be processed are moved longitudinally through the oven. The seal includes an air seal compartment adapted to be aligned with the entry end of the oven complex... | 01/31/1989 |
| 4608066 | Clean room adapted for variable work area configurations A clean room is disclosed which has a capability of being divided into separate work areas of predetermined size, and with the separate work areas being effectively isolated from each other to prevent cross contamination. The clean room comprises a filter... | 08/26/1986 |
| 4553403 | Transport refrigeration air system A refrigerated trailer 10 which is subject to having a restricted normal return air flow path back to the refrigeration unit 24 through the suction space 46 in communication with the return air inlet 34 of the unit, due to volume and arrangement of the lo... | 11/19/1985 |
| 4534276 | Room heat circulation system A room heat circulation system for circulating warm air from the top of a room to the bottom of the room using a wall of the room as a duct. A do it yourself kit including a fan and upper grill connected to a housing is adapted to be inserted into an uppe... | 08/13/1985 |
| 4484517 | Unit for the storage and aging of meat and sausages A storage and aging unit for meat and sausages includes a closed space for the meat and sausages and an air conditioning unit for circulating air in a closed cycle through the closed space. Inlet and outlet openings from the air conditioning unit are in d... | 11/27/1984 |
| 4440342 | Heat dispersing thermal barrier A heat dispersing thermal barrier, adapted for installation in close proximity to a free-standing heating device, comprising a vertically disposed, heat resistant room confronting wall panel, adapted to be spaced apart from the room wall by extensions to ... | 04/03/1984 |
| 4362090 | Air circulating device and method An air circulating device and method includes a base positioned on the floor of a room with a pair of ducts extending therefrom and terminating adjacent the ceiling and fans disposed within the base to draw hot air from the ceiling via one of the ducts an... | 12/07/1982 |
| 4347782 | Telescopable winter/summer air recirculator A device is disclosed which recirculates air to raise air temperature near the floor in winter, and to provide a direct flow of air blown generally horizontally slightly above persons standing on the floor in summer. A fan assembly is housed in a unitary ... | 09/07/1982 |
| 4339250 | Fresh air fountain air filter arrangement An air filter arrangement for cleaning the ambient air in enclosed air spaces. Granular activated carbon and two particulate air filters provide the actual air filtration media to remove both gaseous and particulate air impurities. The structure of the ai... | 07/13/1982 |
| 4304174 | Segmented panel curtain opening closure An improved opening closure system utilizing a plurality of curtains supported in a way to cover the opening with alternate embodiments having primary and secondary curtains acting as a thermal siphon and with fan units as a power air destratifier.... | 12/08/1981 |
| 4287872 | Methods and apparatus for ductlessly distributing and circulating heated air from a gas-fired heater to heat large volumes of air in industrial facilities An apparatus for ductlessly distributing and circulating heated air from a gas-fired heater to heat large volumes of air in industrial facilities and the like includes an upstanding structure which defines a vertically extending chamber. Openings are prov... | 09/08/1981 |
| 4185545 | Air circulator An air circulating device for suspension from a roof or ceiling structure and including a duct through which upper room air may be directed for discharge into lower temperature air immediately above the room floor. A support structure houses a fan and mot... | 01/29/1980 |
| 4184415 | Air circulation apparatus An air circulation apparatus for achieving more uniform temperature conditions throughout the room by drawing cooler air upwardly from the floor level and discharging it near the ceiling. The apparatus comprises a vertical tubular member having an air inl... | 01/22/1980 |
| 4152973 | Heat energy homogenizer An air homogenizer for the elevation and equalization of temperature within the occupant zone of a room comprising a vertical air passage with a first air inlet positioned adjacent the room ceiling for the intaking of the warmer air thereat and a second a... | 05/08/1979 |
| 4136606 | Wall mounted ventilating device A room ventilating device has an elongated duct mountable on or in the wall. The duct extends from near the ceiling to a blower mounted adjacent the floor. The blower draws hot air from along the ceiling down the duct. The blower is so formed and construc... | 01/30/1979 |
| 4053732 | Portable electric room air heater A room air heater which includes a vertically disposed tubular housing or casing mounted on a mobile supporting structure for ease of movement to a desired location and including a heat exchange coiled tube communicating with a tank having an electric res... | 10/11/1977 |
| 4024803 | Building ventilation system A building, such as a hall, has a preferably vaulted ceiling comprised of spaced webs defining air spaces therebetween and an air stream is produced in at least one of the spaces for cooling or heating the building chamber.... | 05/24/1977 |
| 3973479 | Floor-ceiling air circulating device A floor-ceiling air circulating device includes a base adapted to be supported on the floor of a room, a duct assembly extending vertically from the base and defining a flow path between an upper outlet adjacent the ceiling of the room and a lower inlet a... | 08/10/1976 |
