Powered air breathing apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10695592
APP PUB NO 20180221691A1
SERIAL NO

15893981

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A safety breathing apparatus has a sensor for measuring the difference in pressure between two point 1a, 1b in the gas delivered to a head unit 9. The sensor is used to measure the difference in the pressure of the gas supplied through the apparatus between the two points in the gas flow, and the pressure difference is then used to calculate the gas flow rate.

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Patent Owner(s)

  • 3M INNOVATIVE PROPERTIES COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hall, Christopher G Skelmersdale, GB 8 103
Marshall, Richard D Skelmersdale, GB 7 63
Zwolinsky, Albert F Skelmersdale, GB 10 39

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