LandOfFree - US Patents - Listing for Ventilation,Having outlet airway

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Passive building vents

Ventilation – Having outlet airway – Having readliy movable air regulating louver – damper – or cover

Patent

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Passive ventilation device and method

Ventilation – Having outlet airway

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Passive venting device

Ventilation – Having outlet airway – Having specific cover or shield for exterior vent opening

Reexamination Certificate

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Passive venting device

Ventilation – Having outlet airway – Having specific cover or shield for exterior vent opening

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Photosensitive driving device

Ventilation – Having outlet airway – With air pump

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Plastic ridge vent

Ventilation – Having outlet airway – Along roof ridge

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Power actuated roof vent apparatus and method of use

Ventilation – Having outlet airway – With air pump

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Powered exhaust fan

Ventilation – Having outlet airway – With air pump

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Precipitation resistant ridge vent

Ventilation – Having outlet airway – Along roof ridge

Reexamination Certificate

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Precipitation resistant ridge vent

Ventilation – Having outlet airway – Along roof ridge

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Precipitation resistant ridge vent

Ventilation – Having outlet airway – Along roof ridge

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

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