Gas mask

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10173084
APP PUB NO 20130263848A1
SERIAL NO

13492048

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A gas mask is provided with a mask body, which is designed to cover the face of a user, and with an opening in the mask body, which is closed by a speech diaphragm (8) in a gas-tight manner. A funnel (4) is directed toward the speech diaphragm with an opening angle in the range of 20° to 90°. The funnel (4) is arranged in front of the speech diaphragm in the interior space of the mask body in order to focus sound waves onto the speech diaphragm.

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First Claim

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Patent Owner(s)

  • DRAEGER SAFETY AG & CO. KGAA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Feil, Dirk Lübeck, DE 7 30
Lange, Werner Bad Segeberg, DE 24 207
Schmidt, Christoph Stockelsdorf, DE 102 1156
Volmer, Achim Lübeck, DE 21 51
Weisgerber, Martin Bonn, DE 3 20

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