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7585210 |
Negative air supplied (NAS) crawlspace system
A system for drying the crawlspace of a home, reducing mold in the crawlspace and in the living area of the home, and that creates healthy air exchanges in the living area of the home with fresh...
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7566034 |
Bi-directional mounting bracket assembly for exterior siding
An bi-directional mounting bracket assembly is utilized in conjunction with exterior siding that covers sheathing of an exterior wall. A base member of the assembly has a mounting flange secured to...
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7258607 |
Return air grille assembly
The present disclosure provides an air grille assembly for use especially with air conditioning and heating ducts, having a detachable grille constructed of a relatively thick material, such as...
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7128643 |
Removable vent having a filter for use in a building foundation
A removable ventilator is equipped to hold an air filter, the ventilator being designed for placement in a building foundation, for example between concrete blocks. The front of the ventilator...
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7097557 |
Insulated crawlspace vent apparatus, and methods of installing same
An insulated crawlspace vent to provide airflow in a crawlspace in the summer and insulate it in the winter. An aluminum extrusion built as a picture frame is glued to the opening in the foundation...
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6875102 |
Moisture resistant wall vent
A moisture resistant wall vent for use in an exterior wall of a building includes a louvered front panel substantially in the plane of the wall surface whether the wall has a stucco finish,...
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6746324 |
Combustion air wall vent
A combustion air vent for use with an extension wall of a building includes a louvered panel substantially in the plane of the stucco wall surface. Top, bottom, left and right side panels extend...
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6688967 |
Ventilated cover
A molded insert for attachment to material of a cover intended for outdoor use to cover an article has a front face, a back face, and a plurality of openings through its thickness. Each opening has...
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6669554 |
Ventilating sill plate for crawl spaces
A hidden ventilating sill plate is fundamentally a new building product, installed along the top surface of the exterior perimeter foundation. It replaces the existing wood sill plate. The...
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6620040 |
Moisture venting structure for the construction of walls
The present invention provides a moisture venting structure for use in the construction of walls. It comprises a sheet of wall construction material. The sheet of material has a first side and a...
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6589112 |
Duct silencer
A ventilation duct and methods of ventilation are disclosed. The ventilation duct provides a plurality of inner and outer sound absorbing members. The inner and outer sound absorbing members lying...
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6575826 |
Security air vent
Air vent for protecting the public potable water system against terrorism and sabotage. Conventional air vents allow the movement of air in and out of an enclosed reservoir structure but do not...
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6431980 |
Combustion air security vent
A vent assembly for mounting in a passageway extending through an exterior wall to provide ventilation to the space bounded by the exterior wall includes an apertured panel exteriorly juxtaposed...
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6149514 |
Cover for foundation vents, kit and method for production thereof
A method for fabricating a vent cover (10) with an insulating sheet (11) bonded on an inside face of an outer sheet (12). A sheet (11E) which serves as a gasket is provided on the inside face (12A)...
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6113488 |
Method of retrofitting ventilation systems with security grilles
A method of retrofitting ventilation systems with security grilles. A first step involves providing a security grille that is larger in size than an existing air duct to be covered by the security...
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5829267 |
Fresh air inlet and damper
An air inlet and damper arrangement. The arrangement comprises a system housing with an external wall having a fresh air inlet; and an inlet air enclosure located within the system housing adjacent...
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5791984 |
Air handling system with snow removal capabilities
A process and system is provided for treating the air being taken into a building so as to remove moisture, especially snow, from the intake air. The system includes a series of air passages...
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5759098 |
Push-in cover vent
A one-piece air circulation vent for piercing and maintaining a ventilation opening in a flexible cover or the like. The vent includes a stiff, but resilient body structure which comprises a main...
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5727998 |
Side vent frame for a recreational vehicle
A vent cover assembly for a side vent of a recreational vehicle which includes a frame to be mounted at the vent opening and a vent cover removably retained within the frame. The frame has a planar...
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5685290 |
Combustion air kit
A combustion air kit for providing a source of external air to feed a fire in a firebox is installed during new construction or as a retrofit unit into existing fireplaces. A masonry air vent brick...
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5372543 |
Vent for enclosures
A vent arrangement for enclosures that prevents the penetration of a pry bar. The vent arrangement includes a first predetermined pattern of openings of predetermined shape and dimensions provided...
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5292281 |
Vertical soffit vent
A vertical soffit vent in which a length of frieze board is affixed adjacent a length of soffit molding, with a unique arrangement of vents--volutes--in between. More particularly, a length of...
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5192244 |
Air vent stopper
An air vent stopper is provided for a ventilation grill having a plurality of ribs mounted within an opening in a building wall. The air vent stopper consists of a plate being of a size and shape...
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5167104 |
Weep hole cover
A weep hole cover for covering existing weep holes in masonry walls in a manner to permit moisture drainage from and ventilation of the existing weep holes while preventing entry of insects into...
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4898085 |
Push-in flexible cover vent
A pair of similarly transversely bowed and superposed panel members are secured together and are V-shaped in plan. The apex portion of one panel member disposed to the concave side of the other...
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4821628 |
Shallow-profile foundation ventilator
A shallow-profile foundation ventilator includes a body with at least one vent opening extending therethrough and covered by a screen. A skirt is connected to the body and extends perpendicularly...
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4794852 |
Inlet Device
An inlet device for the wall of a building for example an animal barn comprises a simple moulded rectangular body through which the air can pass having an open mouth at one end and an inlet surface...
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4676145 |
Ventilating apparatus for building foundations in both brick and siding type structures
A ventilating appartus for installation in a ventilation opening in a building foundation includes a peripheral border having detachable lateral extension tabs for selective retention to be mounted...
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4669371 |
Ventilator mounting spring
A spring clip for mounting a ventilator in an opening provided in a foundation or other wall structure. Preferably, two spring clips are used to retain the ventilator in the opening, one spring...
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4637299 |
Vent opening for portable building wall
A vent opening for a portable building wall forming panel made of a thin, plastic sheet is formed by a series of aligned, roughly rectangular shaped, box-like depressions in the sheet to provide a...
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4587892 |
Foundation ventilator
The mounting frame of the ventilator is formed of molded plastic so that it contracts when the temperature is low and expands when the temperature is high. In order to accommodate such expansion...
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4469018 |
Energy-saving closure for foundation vents
To cover a foundation vent opening in a building having applied siding, a rectangular piece of siding is sized to fit the opening, insulation is attached to the rear or inside of the siding piece,...
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4274330 |
Ventilator and mounting frame assembly
The mounting frame of the present invention is constructed for being easily installed in the wall of a building from the exterior side of the wall using only a simple hand tool, such as a...
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4213379 |
Emergency ventilation system for enclosed livestock confinement structures
An emergency ventilation system especially adapted for use with an electrically-powered fan driven ventilation system in an enclosed livestock confinement structure includes solenoid actuated,...
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4026082 |
Vent frames
A flared peripheral wall has an inner end internal flange forming the margin of a vent opening and an outer end external flange. Ribs projecting outward from the peripheral wall can be embedded in...
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4019429 |
Ventilator
A ventilator, constructed to serve as a horizontal rail in a building component, includes a pair of spaced apertured plates, the aperture of one being an air inlet vertically spaced below that of...
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4017282 |
Rain retardant screen
A device is presented which prevents rain drops from penetrating and which allows light and gas to be transmitted in a rain-free environment. The device is a screen assembly whose outer surface...
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3757664 |
CLOTH VENTILATOR
A cloth ventilator having an upper half formed of an X cross-section and a lower half formed as a diffuser of square cross-section, said part of X cross-section extending into said part of square...
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3680471 |
VENTILATION REGULATING DEVICE
A regulator for the optimal ventilation of any enclosed space, comprising an air passage formed in an annular casing, a portion of which passage, at one end of the annulus, is closed by a...
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3279349 |
Trap for air or wind blowing parallel to the wall of a building
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3220079 |
Foundation vent
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3192849 |
Vent construction
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3130659 |
Vent closure
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3115082 |
Air conditioner cover
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2905072 |
Wall ventilator
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2885940 |
Black-out vent for photographic darkroom and the like
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2882961 |
Foundation vent
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2843035 |
Foundation vent covers
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2834278 |
Vent closure
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2821895 |
Removable closure for ventilating openings in house foundations
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