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:
May. 10, 2022
Filed:
Jan. 09, 2020
Applicant:
Shell Oil Company, Houston, TX (US);
Inventors:
Edwin Maas, Katy, TX (US);
Ruud Kneppers, Amsterdam, NL;
Assignee:
SHELL USA, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 8/00 (2006.01); B01J 8/02 (2006.01); B01D 29/23 (2006.01); B01D 29/96 (2006.01); B01D 35/02 (2006.01);
U.S. Cl.
CPC ...
B01J 8/008 (2013.01); B01D 29/23 (2013.01); B01D 29/96 (2013.01); B01D 35/02 (2013.01); B01J 8/0085 (2013.01); B01J 8/0221 (2013.01); B01D 2201/4053 (2013.01); B01D 2201/4092 (2013.01); B01J 8/0214 (2013.01); B01J 2208/00814 (2013.01); B01J 2208/00884 (2013.01);
Abstract
A method of cleaning spent catalyst material from a catalyst filter basket. The catalyst filter basket includes a central frame having a base ring and a generally cylindrical inner screen portion which extends upwardly from the base ring. A generally cylindrical outer screen assembly is releasably secured to the central frame by a quick release mechanism.