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| Number | Title | Issue Date |
| 6880622 | Air guide device for cooling tower An air guide for a cooling tower that prevents the air discharged from the cooling tower from flowing back into the cooling tower, and facilitates smooth circulation of outside air inside the cooling tower. The air guide is coupled to a side surface of the cooling t... | 04/19/2005 |
| 5447470 | Apparatus insuring distribution and automatic control of air supplies, in particular for ventilation of buildings An apparatus for the automatic control of ventilation of premises comprising a flexible flat membrane (11) attached by one of its edges in the interior of the casing (12) on the upper wall between two opposed openings (18) and (19). The upper wall support... | 09/05/1995 |
| 5083501 | Ventilation window unit A window unit is provided for reducing heat loss through the window while at the same time providing a desirable inflow of prewarmed ventilation air to maintain interior air quality and thermal comfort. The window unit comprises an outer window frame and ... | 01/28/1992 |
| 4691487 | Drain tube for windows A straight drain tube for use with window assemblies includes a linear conduit having an inlet end for receiving moisture build-up and a outlet for dispensing the moisture to the outside of the window structure. The drain tube also includes closure means ... | 09/08/1987 |
| 4377968 | Fluid flow control means The present invention relates to an arrangement for controlling fluid flow through an aperture. In one embodiment, the flow control arrangement, which may be used in association with a window to control the flow of ventilating air, comprises a strip brush... | 03/29/1983 |
| 4334461 | Portable window dryer vent A portable window vent screen that includes a large hole therethrough with a ventilator adjacent its outer side bolted to an adapter on its inner side, and a flexible hose from a gas or electric dryer being detachably attachable to the adapter whenever th... | 06/15/1982 |
| 4302262 | Weather sealing strips for doors and windows A sealing strip for preventing or reducing gas flow in an unwanted direction through an elongate gap, such as the gap between a door or window and its associated frame, and comprising a lip portion extending along the length of the strip and an attachment... | 11/24/1981 |
| 4214380 | Dryer exhaust vent A dryer exhaust vent for connecting an interior clothes dryer exhaust duct to the atmosphere includes a generally square frame portion, a generally cylindrical connecting duct section integral with the frame portion and four arcuate fins which are pivotal... | 07/29/1980 |
