4. Ventilation
  5. Having both inlet and outlet airways
  6. Natural ventilation including air passage through rooftop
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Aeration structure in buildings

Ventilation – Having both inlet and outlet airways – Natural ventilation including air passage through rooftop
Patent

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Apparatus and method for passive ventilation of buildings

Ventilation – Having both inlet and outlet airways – Natural ventilation including air passage through rooftop
Patent

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Building with improved vent arrangement

Ventilation – Having both inlet and outlet airways – Natural ventilation including air passage through rooftop
Reexamination Certificate

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Environmentally controlled storage containers

Ventilation – Having both inlet and outlet airways – Natural ventilation including air passage through rooftop
Patent

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Greenhouse venting system

Ventilation – Having both inlet and outlet airways – Natural ventilation including air passage through rooftop
Patent

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Louvre type roof structures

Ventilation – Having both inlet and outlet airways – Natural ventilation including air passage through rooftop
Patent

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Method and apparatus for roof ventilation

Ventilation – Having both inlet and outlet airways – Natural ventilation including air passage through rooftop
Reexamination Certificate

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Roof ventilation system and method

Ventilation – Having both inlet and outlet airways – Natural ventilation including air passage through rooftop
Reexamination Certificate

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Ventilated enclosure

Ventilation – Having both inlet and outlet airways – Natural ventilation including air passage through rooftop
Patent

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