US Patent 7331345 Demand regulator protective bellows
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Patent Inventor Names
David V. Haston0
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Patent abstract
A self contained breathing apparatus (SCBA) served by a source of breathing gas with a mask and a demand regulator connected to the mask. The regulator has a flexible diaphragmatic member having a side exposed to pressure differentials to cause a valve mechanism to introduce breathing gas to the mask. An expanding and contracting member and a chamber fluidically connected to the diaphragm compensates for movement of the diaphragm while shielding the diaphragm from ambient contaminants.
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US Patent 07331345 Demand regulator protective bellows US Patent 7331345 Demand regulator protective bellows
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Patent Number
073313450
Patent Number
73313450
Edits on 25 Sep, 2022
Golden AI
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Patent Jurisdiction
Patent Number
073313450
Date of Patent
February 19, 2008
0Patent Application Number
103547710
Date Filed
January 30, 2003
0Official Website
Patent Primary Examiner
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US Patent 07331345 Demand regulator protective bellows
Infobox
Is a
Patent jurisdiction
Patent number
07331345
Date of patent
February 19, 2008
Patent application number
10354771
Date Filed
January 30, 2003
Patent primary examiner
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