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Class 454/24 - Shield


Subclass of Class 454 - Ventilation
Definition: Subject matter wherein the rotating structure is a generally
No. of patents: 2
Last issue date: 07/19/2005


NumberTitleIssue Date
6918827Universal chimney cap
A chimney cap and a method for making the same are described. The chimney cap is more consistently and uniformly manufactured, which permits nesting. This is accomplished by forming the cap from single piece of expanded metal to create a substantially square or rect...
07/19/2005
3994280Horizontal vent air terminal for sealed combustion furnaces
An air terminal for a horizontal vent of a sealed combustion furnace includes a faceplate for mounting to an exterior vertical wall. A horizontal flue pipe extension, receiving the combustion products, is surrounded by an oval sleeve. Fresh air is communi...
11/30/1976
 
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