|
Match
|
Document |
Document Title |
|
|
7335096 |
Adjustable pergola
A louver type roof structure includes a plurality of elongated parallel slats mounted on slat hinges pivotally supported on carrier beams transverse to the slats. The slats are pivotable between a...
|
|
|
7320524 |
Projector and air filtration device thereof
An air filtration device for projector includes a holder, a filter, and a rack. The rack is movably disposed in the holder for supporting the filter. When the rack moves to a first position, the...
|
|
|
7086740 |
Injection-molded vent screens
A projection device is provided, wherein the projection device includes a casing, a plurality of electronic components mounted within the casing, a vent in the casing disposed substantially...
|
|
|
7074124 |
Ventilation system
The present invention relates to a ventilation system that allows air to circulate in a building but excludes pests such as birds, insects, moths and flies to enter the building. The ventilation...
|
|
|
7040345 |
Unidirectional valves and methods of their use
The invention provides a flap valve for controlling the air pressure within a protected space defined by walls, the flap valve having a valve flap, articulated at least indirectly to the surface of...
|
|
|
6955011 |
Basement window shield with integrated vent
A window well cover for a below-grade or basement window is disclosed. A transparent upper structure or portion is designed to cover a below-grade window on an outside of a building or other...
|
|
|
6881143 |
Conservatory roof ventilation
A trickle ventilator for a conservatory roof to be sited between an eaves beam of the roof and a glazing panel extending over the eaves beam, the ventilator comprising an elongate body having a...
|
|
|
6796100 |
Roof venting and cover assembly
A roof venting and cover assembly including a housing dimensioned for being positioned between an opening in a roof and an opening in a soffit disposed below the roof. The housing includes a narrow...
|
|
|
6743092 |
Roof vents
A roof vent suitable for a conservatory roof of the type comprising glazing bars supporting glazing panels therebetween, the roof vent comprises a surround mountable between a pair of glazing bars...
|
|
|
6682413 |
Fluid control valve
A valve for controlling a flow of a fluid between a first environment to a second environment is provided. The valve includes a frame that fits within an aperture in a divider separating the first...
|
|
|
6584702 |
Dryer vent connection and method
A metal plate ( 52 ) is connected to a wall ( 10 ). Plate ( 42 ) includes a vent opening ( 48 ) that communicates with vent ducting ( 18 ) with the wall ( 10 ). A magnetic sheet body ( 52 ) is...
|
|
|
6582297 |
Livestock facility ventilation exhaust air dust removal system
A livestock facility exhaust system to remove a majority of the dust and other such odorous airborne particulate material from air exhausted by power ventilation equipment from a livestock...
|
|
|
6461236 |
Roof vents
A roof vent suitable for a conservatory roof of the type comprising glazing bars supporting glazing panels therebetween, the roof vent comprises a surround mountable between a pair of glazing bars...
|
|
|
6386972 |
Vent apparatus
A vent apparatus for cooperating with duct work associated with an exhaust fan to enable air to be exhausted from an interior room of a dwelling to the exterior environment. The vent apparatus...
|
|
|
6361433 |
Vent screen and hood assembly
An air permeable grate or screen for selectively precluding passage of items, such as birds and rodents, through a duct is disclosed. The screen has a pivot mount on one end for pivotally mounting...
|
|
|
6302787 |
Roof vent
A roof vent for obstructing snow from entry into a vented space of a structure or dwelling. The vent has a cover, support, and base. The base is adapted to form a passageway which connects the...
|
|
|
6203421 |
Safety ceiling vent
A ceiling vent to reduce the temperature in a room that is subject to becoming uncomfortably hot. The vent contains two concentric tubes, one movable and the other stationary. The movable tube is...
|
|
|
6165065 |
Vent assembly for window/window well cover
The vent assembly for a window or window well cover comprises a base within the confines of which and to which a wedge shaped vent structure is hingedly mounted to be movable from a closed position...
|
|
|
6050893 |
Cover for an attic fan vent
An insulating cover for overlaying a ceiling vent beneath an attic fan includes a substantially rectangular frame member having top and bottom edges. Horizontally disposed between the top and...
|
|
|
5984775 |
Grating and shutter apparatus for controlling air flow
An apparatus for controlling air flow includes a grating having a plurality of air vents, a shutter assembly composed of a shutter fixed plate, having a plurality of first openings, attached to a...
|
|
|
5839233 |
Louvre type roof structures
A louvre type roof structure includes a plurality of parallel slats mounted on carrier elements which in turn are mounted on carrier beams such as to permit pivotal displacement of the carrier...
|
|
|
5782051 |
Water resistant louver
The instant invention is a water resistant louver characterized by an aesthetically pleasing two piece front louver frame affixed to a posteriorally positioned aluminum mesh screen in turn affixed...
|
|
|
5487247 |
Ventilated roof and wall structure
A ventilated roof and wall structure wherein a base roof plate is spaced from a top roof plate defining a roof air gap, such that a base roof plate slide plate is slidably mounted to permit...
|
|
|
5433663 |
Insect-net
An insect net for screening off at least one air passage which can be opened and closed in variable degree by a shutter. The net is produced from fabric, which is drapeable to a variable extent in...
|
|
|
5429113 |
Wall heater extension
Presented is a wall heater or furnace extension structure for mounting in the space between a conventional wall furnace or heater and the ceiling of the room in which the wall furnace or heater are...
|
|
|
5410844 |
Building vent assembly
A vent assembly for a igloo-type building of the type having a number of arcuate roof frame members extending between side gutters, the vent assembly including a Z-sectioned member secured to the...
|
|
|
5330386 |
Method and device for ventilating a home
A method of installing a ventilation device through existing plywood door closures of accesses to attic spaces with roof fans in homes includes a frame with louvers across a central opening closed...
|
|
|
5306210 |
Louvre type roof structures
A louvre type roof structure including a plurality of parallel slats mounted on carrier beams extending transversely to the slats, in which the slats are mounted on carrier elements which are in...
|
|
|
5297004 |
Housing
The present invention relates to a housing for electrical equipment. The housing is composed of side walls, ventilation openings in the side walls and at least one louver provided in front of the...
|
|
|
4955287 |
Self-ventilated greenhouse
A frame for a self-ventilated greenhouse, a self-ventilated greenhouse, and a method for controlling the air pressure between the layers of a double-layer roof for a greenhouse. The frame for the...
|
|
|
4924760 |
Roof vent damper
A roof vent damper for closing a roof mounted ventilator in the event of a fire includes a frame formed from an elongated rectangular plate having a central dumbbell shaped cut-out. Longitudinal...
|
|
|
4911066 |
Fitted ventilation louver
A ventilation louver is provided with a contoured flange to provide an intimate fit against a textured exterior wall surface. A plunging groove formed in the louver provides a means for attaching...
|
|
|
4854225 |
Venting control device
A device for controlling the venting of gases and unburned hydrocarbons from a source location into the atmosphere and includes an enhancement that prevents an entrance of cold drafts and foreign...
|
|
|
4823836 |
Dampers with leaf spring seals
A leaf spring seal to effect sealing contact between such members as a damper blade and a frame consists of a set of leaf springs having their inner portions held together by clamping components of...
|
|
|
4790237 |
Damper
A damper for use in controlling the flow rate or direction of a flow of air or fumes flowing out from a room or space or flowing through a ventilation system, including a housing having at least...
|
|
|
4766806 |
Flush mount whole house fan shutter
A shutter assembly for a whole house fan is disclosed which can be flush mounted (i.e., substantially coplanar) with the underside surface of a ceiling so as to close off an opening in the ceiling...
|
|
|
4760773 |
Ventilator closure
A roof ventilator closure assembly for mounting under a roof and including a door which slides within a framework to selectively cover and uncover an opening in the framework positioned in registry...
|
|
|
4738189 |
Pneumatically operated fire damper
A fire damper operated by an air motor for incorporating into the pneumatic piping system of a building. The damper motor holds the damper open under the influence of pressurized air from the...
|
|
|
4735132 |
Insulating enclosure for recessed ceiling exhaust fan
An insulating enclosure for recessed ceiling exhaust fan is disclosed. The insulating enclosure (10) comprises a rectangular frame (22) attached to the frame (24) of the lower panel (18). The frame...
|
|
|
4730552 |
Vent assembly
A ventilating skylight including a housing having a top wall and a pair of opposed sidewalls extending downwardly from the top wall to respective roof mountings so that the housing may be fixed to...
|
|
|
4598631 |
Indoor gun firing range enclosure
An indoor gun firing range enclosure having an air supply plenum disposed at the uprange end wall of the enclosure and at least one air exhaust plenum located proximate the bullet trap located...
|
|
|
4567816 |
Unidirectional vent
An energy saving unidirectional vent, for permitting the passage of air from one defined space to another includes a frame for mounting over an opening communicating therebetween. The frame having...
|
|
|
4557183 |
Incrementally adjustable vent
An energy saving incrementally adjustable vent, for permitting the passage of air from one defined space to another which can be mounted on a vertical or horizontal surface includes a frame for...
|
|
|
4535684 |
Ventilation system for an enclosed space
A ventilation system for an enclosed occupied space, such as house, school, large building, etc., comprising a fresh air inlet and a fresh air passage provided at the lower side of vertical hollow...
|
|
|
4520959 |
Energy saver damper assembly
An energy saver automatic temperature responsive vent, for permitting the passage of air from one defined space to another, which includes a frame for mounting over an opening extending from one...
|
|
|
4399738 |
Ventilating structure for greenhouse
This invention relates to an improvement in the ventilation of a greenhouse and it consists of an elongated tubular inflatable member mounted to underlie an air vent extending along the ridge...
|
|
|
4382435 |
Roofing panels
A roofing panel of glass-reinforced plastic (G.R.P.) or sheet metal is stiffened by longitudinal beams on its underside to span one pitch of a pitched roof from eaves to ridge. It has an outer skin...
|
|
|
4132160 |
Roof ventilator
The present invention relates to a ventilator assembly for caravans or buildings. A ventilator panel is provided with internal projections any one of which can be engaged by a wiper arm to hold...
|
|
|
4132159 |
Noiseless air flow device and method
For obtaining a noiseless or substantially noiseless process of a flow passing through a throttle or damper device, the flow is given a speed increase with increasing acceleration in the direction...
|
|
|
4033246 |
Vent
A system for venting smoke and fumes from selected floors of a multi-story building comprising a vertical smoke pipe or shaft which extends from the basement to the roof of the building and a...
|