Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael Pritchard0
Date of Patent
January 10, 2012
Patent Application Number
12240664
Date Filed
September 29, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
In the present invention we replace a standard dip tube in a fluid dispenser with a hollow fiber membrane that passes liquid in preference to gas. Under the influence of a pressure differential, any liquid in contact with any portion of the hollow fiber membrane passes through the wall of the membrane and travels internally along the length of the membrane to a dispenser head. The fluid dispenser is thereby capable of operating in substantially any orientation and is effective to dispense substantially its entire contents.
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