Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7270600 | Window having a ventilation equipment The present invention relates to a window having ventilation equipment. The window having ventilation equipment according to the present invention includes a window frame formed with a mounting hole penetrating from outdoor side to indoor side, a casing which can be... | 09/18/2007 |
| 7238105 | Dewpoint cooler designed as a frame or part thereof A dewpoint cooler comprises: a first air circuit and a second air circuit coupled thereto via a heat-conducting wall, through which two circuits can flow two media, wherein the second medium contains a gas, heat-conducting wall break-up means for breaking up at leas... | 07/03/2007 |
| 7181896 | Multi-rotor fan assembly for a cotton picker A multi-rotor blower fan assembly for a cotton picker utilizes a plurality of separate fan enclosures each containing a fan for supplying an individual air flow to a picker unit of the picker, the fans being mounted on a common shaft for rotation therewith, with a u... | 02/27/2007 |
| 7168228 | Multi-rotor fan assembly for a cotton picker A multi-rotor blower fan assembly for a cotton picker utilizes a plurality of separate fan enclosures each containing a fan for supplying an individual air flow to a picker unit of the picker, the fans being mounted on a common shaft for rotation therewith, with a u... | 01/30/2007 |
| 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 |
| 7083110 | Window having a ventilation equipment The present invention relates to a window having ventilation equipment. The window having ventilation equipment according to the present invention includes a window frame formed with a mounting hole penetrating from outdoor side to indoor side, a casing which can be... | 08/01/2006 |
| 6953320 | Ventilation fan A ventilation fan assembly (10) having a fan (22) mounted in a housing (12) and a shutter assembly (60). The housing has a square inlet portion (12C), a circular center portion (12E) and a conical outlet portion (12D)... | 10/11/2005 |
| 6883251 | Livestock cooling system A livestock cooling system creates an environment for protecting the health and productivity of animals, particularly dairy cows. One or more cooling fans are connected to programmable oscillation means, enabling the herds man to program fan oscillation according to... | 04/26/2005 |
| 6702664 | Portable fume exhauster-carpet and floor dryer A portable fume exhauster and dryer includes a motor fan mounted in a housing having a supporting structure adapted to rest on a horizontal surface, such as a floor, or on an uneven or slanted, often narrow surface, for example, a window sill. The housing... | 03/09/2004 |
| 6579169 | Window fan assembly A window assembly comprises a frame into which is removably mounted a fan assembly. The fan assembly includes at least one fan mounted in an opening through a mounting plate. The mounting plate is removably secured to the window assembly by a screen, whic... | 06/17/2003 |
| 6126415 | Combination floor and window box fan A combination floor and window box fan which can be placed on a floor or other supporting surface, and also hung from a window, with brackets on the fan housing in the window opening, and retained therein by engaging a window sash and the window sill, whi... | 10/03/2000 |
| 6048264 | Self-sealing apparatus and method for directing pressurized air into a vehicle or other compartment Apparatus for directing a flow of pressurized air into a vehicle or other compartment includes an air bag inflatable in response to the flow of pressurized air. The air bag includes an inlet opening for receiving the flow and an outlet opening for deliver... | 04/11/2000 |
| 6030285 | Device for dissipating heat from a car A device for dissipating heat from a car and having discharge ports the angle of which is adjustable. The device includes a body, an air discharge rotary cylinder having discharge ports, a fan blade shaft, and a securing device. The body is comprised of l... | 02/29/2000 |
| 5809936 | Subterranean animal sanctuary A subterranean animal sanctuary for housing an animal underground in a comfortable habitat. The subterranean animal sanctuary comprises a housing, a sanctuary foyer for providing unhindered entry and exit of an animal, an air and heating venting system co... | 09/22/1998 |
| 5743709 | Oscillating window fan A portable electric window fan including a housing having side walls, a bottom wall for mounting on a sill of a window, a top wall for engaging a sash of the window, a front wall defining an air outlet, a rear wall defining an air inlet, and the walls tog... | 04/28/1998 |
| 5702296 | Portable ventilation system A portable ventilation system includes a portable unit (1) comprising a fan (11) for sucking-in fresh air from the outdoor atmosphere and blowing the fresh air into a room, and an extraction fan (12) for sucking foul air from said room and blowing the fou... | 12/30/1997 |
| 5660586 | Variable discharge window fan A portable electric fan including a housing having inlet and outlet openings and adapted for mounting in an open window, a movable blade mechanism retained in the housing and operable to supply air through the open window between the inlet and outlet open... | 08/26/1997 |
| 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 |
| 5637039 | Compact portable window fan A portable fan including an air director housing for mounting between a sill and sash of an open window and having oppositely directed first and second open ends, spaced apart top and bottom walls extending between the first and second open ends, and spac... | 06/10/1997 |
| 5525107 | Indoor hanging window fan An electrical window fan comprising a reversible motor driven air blower assembly and a housing having intake and exhaust openings and a rectangular duct with an internal minor width smaller than the major diameter of the blower, the duct being adapted to... | 06/11/1996 |
| 5425671 | Window fan A window fan which can easily installed in a window opening without requiring the use of extraneous tools or mounting hardware. In one embodiment, the window fan comprises a housing, the housing is generally box-like in shape and is dimensioned for use wi... | 06/20/1995 |
| 4899645 | Solar powered ventilator A solar ventilator (1) is fittable to an edge (2) having first and second sides corresponding to first and second regions. The edge can be of a barrier, e.g. of a movable window of a motor vehicle or of a building. The ventilator has a suspension (5) for ... | 02/13/1990 |
| 4838151 | Combination window and floor fan A fan which can be mounted in a window opening without using any tools, mounting hardware or special brackets or used as a floor fan includes a pair of panel sections which are interconnected by a pair of hinge joints for pivotal movement relative to each... | 06/13/1989 |
| 4785198 | Structure of fixed device of fan switch An improved structure of a fixed device of fan switch, which is to fix a fan switch fixing plate to the steering gear box that firmly attached to the motor and to fix a fan switch to the fixing plate through two of the supporting rods of the fixing plate,... | 11/15/1988 |
| 4643246 | Bay window with ventilator A bay window includes a frame assembly composed of an inner head, an inner transom, an inner sill, an outer head, an outer transom, an outer sill, a middle horizontal panel interconnecting the inner and outer transoms, and a lower horizontal panel interco... | 02/17/1987 |
| 4611653 | Ventilation system A ventilation system comprising a heat-exchanger rotor mounted in a four-chamber housing supported on a panel or window unit, and a preliminary heat-exchange unit mounted at an air-intake portion of the housing. The window unit has a frame composed of a p... | 09/16/1986 |
| 4515070 | Ventilation method and apparatus Method and apparatus for a mainly temporary ventilation of a room. A fan blows air from the room through an inflatable balloon, being placed in a permanent opening, e.g. a window, in a wall limiting the room. The balloon is provided with at least one exha... | 05/07/1985 |
| 4132353 | Window heaters A thermostat controlled window furnace for heating a room features a construction wherein the air required for its operation is comprised on the one hand of outside air used solely for combustion purposes, to service a heat transfer component, and on the ... | 01/02/1979 |
| 4008652 | Ventilating device Ventilating device including an outer casing formed of a casing part having a forward side formed with an opening, and a lid articulatingly connected to a lower forward edge of the casing part, partly defining the opening, the outer casing being installab... | 02/22/1977 |
