Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Dwight P. Williams0
Dennis W. Crabtree0
Date of Patent
December 16, 2008
0Patent Application Number
106779000
Date Filed
October 2, 2003
0Patent Primary Examiner
Patent abstract
A self-metering, automatic (i.e. pressure regulating) industrial-scale fire fighting nozzle, with or without self-eduction, for self-metering a concentrate in accordance with varying liquid flow through the nozzle occasioned by the pressure regulating, with additional features of having a “ratio selectable” means for self-metering for different selected additive concentrations or mixing ratios and of having a mechanical flowmeter.
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