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. 20, 2020
Filed:
Nov. 16, 2016
Applicant:
Nova Chemicals (International) S.a., Fribourg, CH;
Inventors:
Grazyna Petela, Calgary, CA;
Leslie Wilfred Benum, Red Deer, CA;
Jeffrey Stephen Crowe, Calgary, CA;
Seyed Majid Hoseini, Red Deer, CA;
Assignee:
NOVA Chemicals (International) S.A., Fribourg, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28D 7/16 (2006.01); C10G 9/20 (2006.01); C10G 9/14 (2006.01); F28F 9/20 (2006.01); B01J 6/00 (2006.01); B01J 19/24 (2006.01); F28D 7/08 (2006.01); F28D 21/00 (2006.01); F28F 9/02 (2006.01);
U.S. Cl.
CPC ...
C10G 9/203 (2013.01); B01J 6/008 (2013.01); B01J 19/2415 (2013.01); C10G 9/14 (2013.01); C10G 9/20 (2013.01); C10G 9/206 (2013.01); F28D 7/085 (2013.01); F28F 9/20 (2013.01); B01J 2219/0006 (2013.01); B01J 2219/00155 (2013.01); B01J 2219/00157 (2013.01); B01J 2219/00166 (2013.01); C10G 2300/10 (2013.01); C10G 2300/1044 (2013.01); C10G 2400/20 (2013.01); F28D 2021/0059 (2013.01); F28F 2009/0285 (2013.01); Y02P 30/10 (2015.11);
Abstract
A substantially linear ceramic or metallic radiant of ellipsoidal or polygonal cross section is placed proximate furnace tubes or coils in the radiant section of a fired heater to increase the radiant heat directed to the surface of the tubes or coils.