Matches 1 - 50 out of 50
Match Document Document Title
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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)...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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,...
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...
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...
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...
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...
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...
3279349 Trap for air or wind blowing parallel to the wall of a building  
3220079 Foundation vent  
3192849 Vent construction  
3130659 Vent closure  
3115082 Air conditioner cover  
2905072 Wall ventilator  
2885940 Black-out vent for photographic darkroom and the like  
2882961 Foundation vent  
2843035 Foundation vent covers  
2834278 Vent closure  
2821895 Removable closure for ventilating openings in house foundations  
Matches 1 - 50 out of 50