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Ventilation > Having Inlet Airway > Sleeved Vent For Ceiling, Wall, Or Floor (e.g., Thimble) > Wall Type

Wall Type

Wall Type 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.

12/01/05 - 20050266791 - Removable vent having a filter for use in a building foundation
A removable ventilator is equipped to hold an air filter, the ventilator being designed for placement in a building foundation, for example between concrete blocks. The front of the ventilator faces away from the building when the ventilator is installed. The rear of the ventilator faces into the building when ...



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