LandOfFree - US Patents - Listing for Ventilation,Having outlet airway,Having readliy movable air regulating louver, damper, or cover

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

Automatic vent damper

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

Clothes dryer vent

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

Conservatory roof ventilation

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

Damper flap and duct connector assembly

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

Dryer vent mounting block

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

Eave vent

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

Eaves vent apparatus

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

Exhaust box

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

Exhaust vent

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

Exhaust vent cover

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

Freeze-free vent

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

Hooded exhaust vent

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

Hooded exhaust vent

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

Insect-net

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

Insulated external exhaust's end

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

Low profile animal restricting vent for fluid discharge...

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

Magnetic latch for exhaust vent

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

Passive building vents

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

Roof ridge vent system for buildings