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:
Oct. 22, 2013
Filed:
Sep. 17, 2010
Clifford L. Johns, Louisville, KY (US);
Dennis Mcandrews, Jeffersonville, IN (US);
Douglas K. Cornett, Louisville, KY (US);
Clifford L. Johns, Louisville, KY (US);
Dennis McAndrews, Jeffersonville, IN (US);
Douglas K. Cornett, Louisville, KY (US);
Extundo Incorporated, Louisville, KY (US);
Abstract
A dam arrangement is provided for confining catalyst and other particles. The dam can be arranged in a wide variety of configurations. In one embodiment, blocks are provided that are releasably secured to the top tubesheet by means of magnets, and sheets are secured to the blocks to create a dam. In another embodiment, the blocks are releasably secured to the tubesheet by fasteners which project into the tops of some of the tubes and then lock into those tubes.