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Insulating cover for attic stair opening
OF THE INVENTION With further reference to the drawings, the attic stair insulating cover of the present invention is shown therein and indicated generally by the ...
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Pressure relief panel hold open apparatus and method
In one aspect the invention provides a method of protecting a building against over-pressures in said building, said method comprising providing a panel pivoted to said ...
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Snow load removal
Referring to FIGS. 1 and 5, in building 25 on concrete foundation 26, a base layer of self-extinguishing reinforced plastic film 2 is stretched over a steel cage ...
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Bladder insulation
This invention relates to an improved insulation material for existing structures and consists of polyurethane and other common insulation materials which may be ...
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Side unloading bin for storing and discharging free-flowing granular material
The present invention utilizes the same general concept of the prior inventions, but in a side-unloading environment. That is, the present invention has the same ...
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Swimming pool cover support, covered swimming pool and method of covering a swimming pool
What is claimed is: 1. A support for a pool cover placed over the support, said support being separate from the cover and comprising an inflatable balloon for placement ...
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Asymmetrical pneumatic deicer
What is claimed is: 1. A pneumatic deicer applied upon an aircraft component wherein a pair of essentially flat surfaces of the component join to define a component ...
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Controller valve for deicer
The invention is directed to a system for controlling the inflation of deicer members in response to a timer switch which utilizes a controller valve and an ejector ...
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Airfoil with integral de-icer using overlapped tubes
According to an aspect of the present invention, there is provided a structural member having integral surface de-icing capability which in one embodiment includes: (a) ...
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Method for unlocking a window pane of a railroad car with an inflatable pressure tube
A goal of the invention is to provide an unlocking device for a window pane that has an inflatable pressure tube so arranged that upon inflation, it comprises a simple ...
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