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Ventilation > Having Outlet Airway > Having Readliy Movable Air Regulating Louver, Damper, Or Cover > Including Backdraft Preventer Including Backdraft PreventerIncluding Backdraft Preventer patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.01/18/07 - 20070015456 - Exhaust vent bird guard A square bird barrier for non-dryer household exhaust vents. The square barrier is mounted behind the horizontal flaps that are on a pre-existing plastic frame that covers exhaust vent external exit. Pre-drilled holes on the square barrier allow for the unimpeded outbound flow of air from the exhaust vent. ... 01/11/07 - 20070010191 - Bird/animal restricting vent for fluid/air discharge conduits A vent assembly for attachment to a fluid discharge conduit of the type connected to a clothes dryer, room exhaust fan, or the like includes a mount having an opening received on the conduit and a door pivotally received by the mount. The door includes a first surface portion for ... 09/07/06 - 20060199528 - Control and pressure release valve A control and pressure relief valve for relieving pressure from an automotive vehicle interior to an atmospheric pressure outside the vehicle interior in accordance with the present invention includes a valve mounting location having an inlet in fluid communication with the vehicle interior and an outlet selectively in fluid communication ... 02/02/06 - 20060025067 - Vent apparatus A vent comprises a cover member having a cover member surface which defines at least a portion of a vent passageway. The cover member has at least one first connector and at least one second connector spaced outwardly from the first connector. The first and second connectors operable to provide ... ### FreshPatents.com Support |