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Class 454/243 - Sleeved vent for ceiling, wall, or floor (e.g., thimble)


Subclass of Class 454 - Ventilation
Definition: Subject matter wherein the single structure comprises a
No. of patents: 6
Last issue date: 10/28/2008


NumberTitleIssue Date
7442120Connection adapter for conduits and ventilation units
The present invention provides a connection adapter for use with a flexible or rigid conduit that fluidingly interconnects an intake or exhaust port of a ventilation unit and a conduit. The adapter comprises a unit coupler (10) having a central portion (60...
10/28/2008
6574932Embeddable air duct block and method
An embeddable air duct block includes a tubular member extending between a pair of rectangular plate members spaced from each other. The tubular member has a pair of open ends and an interior passageway. One plate member has an inner surface coupled to on...
06/10/2003
6370794Reversible elbow for connecting flexible duct
An elbow for use in a dryer duct assembly comprising at least one component for connecting a dryer vent outlet and an exhaust vent. The component has an inlet and outlet. The dryer vent outlet and one of the component inlet and outlet have a standardized ...
04/16/2002
6109339Heating system
A heating system uses a dynamic thermal stabilizer for receiving, mixing, holding and outputting a circulating heat exchange liquid in a fashion similar to the use of a flywheel in the mechanical arts. Liquid is returned to the dynamic thermal stabilizer ...
08/29/2000
5299399Window panel with breather system
A dual glazing window having a removable glazing panel is provided with a breather system connecting the air chamber between the glazing panels with the outside ambient air by routing an outwardly facing channel into the window rail or stile member either...
04/05/1994
4627206Window sash breather device
A breather device for use in a vent hole of a double glazed window sash is provided and comprises an elongated hollow sleeve member extending into the vent hole and having opposite interior and exterior ends, and a plurality of resilient fingers extending...
12/09/1986
 
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