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:
Apr. 21, 2015
Filed:
Apr. 07, 2008
John W. Olver, Blackburg, VA (US);
Jason Andrew Simmons, Blacksburg, VA (US);
John W. Olver, Blackburg, VA (US);
Jason Andrew Simmons, Blacksburg, VA (US);
Emisshield, Inc., Blacksburg, VA (US);
Abstract
A cracking furnace construction includes a firebox defining a chamber having a high emissivity thermal protective coating disposed on at least part of the refractory walls and/or on process tubes disposed within the chamber. The coating contains an inorganic adhesive for metal/alloy tubes or colloidal silica and/or colloidal alumina for refractory walls or ceramic tubes, a filler, and one or more emissivity agents. A method of coating the firebox chamber includes preparing the surface of the tubes/refractory walls, preparing the coating, and applying the coating to the surface.