Extraction system for polluted air

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12162043
APP PUB NO 20220388046A1
SERIAL NO

17774307

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An extraction system for polluted air includes a circumferential side wall, the side wall having at least four detachable side wall elements. At least one of the wall elements is trough shaped. The at least one wall element has a base surface with an upper edge, a lower edged and two side edges, and folds on the upper edge and on the two side edges are U-shaped with the base surface, and a fold on the lower edge is S-shaped with the base surface.

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Patent Owner(s)

Patent OwnerAddress
EHRHARDT DANIELNEU-ULM

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ehrhardt, Daniel Neu-Ulm, DE 2 0

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