Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Clifford L. Johns0
Munaf Najmuddin Chasmawala0
Manfred Schmidt0
August M. Dattilo, III0
Daniel D. Sympson0
Date of Patent
February 1, 2011
Patent Application Number
11954495
Date Filed
December 12, 2007
Patent Primary Examiner
Patent abstract
A device and method for vacuuming solid particles out of a chemical reactor tube. One embodiment comprises the step of substantially reducing the vacuum level applied to the vacuum conduit when the conduit reaches a desired depth within the reactor tube by using means responsive to the depth to which the vacuum conduit is inserted into the reactor tube.
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