Ventilation Device and Window Comprising Such a Device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20100159817A1
SERIAL NO

11990202

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The ventilation device (10) comprises a first plate (11) having a first set of apertures (16), and a second plate (21) having a second set of apertures (26) separated by cover portions (27). The first and second plates are slidable with respect to each other. The cover portions (27) have dimensions differing from the dimensions of the first set of apertures (16). Furthermore, the dimensions of the cover portions vary along said first direction (x) and/or in a second direction (y) perpendicular to the first direction to provide a visual indication of the degree of ventilation area achieved.

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Patent Owner(s)

Patent OwnerAddress
VKR HOLDING A/S2970 HØRSHOLM

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lindgren, Claes Farum, DK 34 230

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