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| Number | Title | Issue Date |
| 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 |
| 6193602 | Ventilator for air circulation An air circulator unit with adjustable size is provided including a housing situated within a window frame. The housing includes a pair of halves each defining an interior space, an open front face and an open rear face. The housing further includes a len... | 02/27/2001 |
| 5730651 | Independent directional-flow air ducts for low-profile window fan A window fan capable of permitting the flow of air in one of at least three different patterns, including intake, exhaust and a simultaneous exchange of air. The fan includes a housing, having front section including a forward inner wall, and a back secti... | 03/24/1998 |
| 5664996 | Multiple blade window fan A portable window fan including a housing having a bottom wall for mounting on a sill of a window with an open sash, a top wall for engaging the open sash, a rear wall defining a plurality of inlet openings, and a front wall defining three substantially a... | 09/09/1997 |
| 5658195 | Window fan with oscillating fan enclosure A portable electric fan including a housing adapted for substantially covering a window opening, an enclosure movably mounted on the housing and defining an intake opening and a discharge opening, an enclosure drive coupled to the enclosure and operable t... | 08/19/1997 |
| 5658130 | Oscillating window fan A window mounted oscillating fan. The fan has two blower modules each having a motor, fan blade, and diffuser. The diffuser is fixed in a stationary position relative to its fan blade. The window fan oscillates by pivoting all blower modules simultaneousl... | 08/19/1997 |
| 5382136 | Expandable window fan A window fan having a housing with a bottom wall for mounting on a sill of a window opening, a front wall defining an air outlet, a rear wall defining an air inlet, a first side wall joined to the front wall and the rear wall, a second side wall joined to... | 01/17/1995 |
| 5334091 | Window fan A window fan which can be mounted in a window opening in either a double-hung window frame or a vertical slider window frame and which can be held securely in place without the use of additional hardware or mounting brackets. The window fan comprises a ho... | 08/02/1994 |
| 5190496 | Window fan A window fan which can be mounted in a window opening in either a double-hung window frame or a vertical slider window frame and which can be held securely in place without the use of additional hardware or mounting brackets. The window fan comprises a ho... | 03/02/1993 |
| 4872399 | Convertible fan assembly An electric fan assembly for household use convertible between use in a window and use on a desk or floor has a substantially rectangular, one-piece, molded polypropylene support member formed from a first support panel, a second support panel, and a pair... | 10/10/1989 |
| 4773310 | Fan ventilator having multiple modes of operation A ventilator having a housing containing a plurality of electric fan units, each of which is mounted in an air channel provided in the housing for directing air through the ventilator. Within the housing, the air channels are formed by cowlings which surr... | 09/27/1988 |
