Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Christopher G. Hall0
Richard D. Marshall0
Albert F. Zwolinsky0
Date of Patent
July 12, 2016
0Patent Application Number
135210240
Date Filed
October 27, 2010
0Patent Citations Received
0
Patent Primary Examiner
Patent abstract
A safety breathing apparatus has a sensor for measuring the difference in pressure between two points in the gas delivered to a head unit. 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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