The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 01, 2011
Filed:
Dec. 12, 2007
Clifford L. Johns, Louisville, KY (US);
Daniel D. Sympson, Louisville, KY (US);
August M. Dattilo, Iii, Louisville, KY (US);
Munaf Najmuddin Chasmawala, Louisville, KY (US);
Manfred Schmidt, Louisville, KY (US);
Clifford L. Johns, Louisville, KY (US);
Daniel D. Sympson, Louisville, KY (US);
August M. Dattilo, III, Louisville, KY (US);
Munaf Najmuddin Chasmawala, Louisville, KY (US);
Manfred Schmidt, Louisville, KY (US);
Tubemaster, Inc., Louisville, KY (US);
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.