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| Number | Title | Issue Date |
| 7224584 | Miniaturized fan module A miniaturized fan module can be accommodated in an electronic system (such as a server) to provide heat dissipation. The miniaturized fan module has a smaller structural size than that of a conventional fan module, such that a larger bump-preventing buffer space be... | 05/29/2007 |
| 5800261 | Air vent device including a light device to preheat supply air A device for an air valve, particularly for use with a fresh air inlet through a wall in a habitable room, and wherein the device comprises a receiver consisting substantially of air-tight material, and wherein the receiver is adapted to be tightly attach... | 09/01/1998 |
| 5769916 | Filter ventilator A filter ventilator for installation in an opening of a wall of a switchgear cabinet or the like, having a base housing receiving the filter, which is covered with a finned screen and which is connected with a ventilator on a side facing away from the fin... | 06/23/1998 |
| 4372197 | Cold weather inlet for ventilating systems An inlet for use in a ventilating system having a frame defining an opening and provided with an inwardly directed lip, a panel mounted for rotation within the frame and including flanges which abut the lip when the panel is in closed position, an electri... | 02/08/1983 |
