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. 17, 2017
Filed:
Jun. 14, 2011
Applicant:
Sundararajan Uppili, Bartlesville, OK (US);
Inventor:
Sundararajan Uppili, Bartlesville, OK (US);
Assignee:
Phillips 66 Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 3/12 (2006.01); B08B 3/00 (2006.01); B08B 3/02 (2006.01); B08B 3/08 (2006.01); B01D 41/00 (2006.01); B08B 7/02 (2006.01); B01D 41/04 (2006.01);
U.S. Cl.
CPC ...
B08B 3/12 (2013.01); B01D 41/00 (2013.01); B01D 41/04 (2013.01); B08B 3/00 (2013.01); B08B 3/02 (2013.01); B08B 3/08 (2013.01); B08B 7/028 (2013.01); B08B 2230/01 (2013.01);
Abstract
A method of cleaning plugged or dirty porous metallic filter elements to regain filter activity, comprising the steps of: steaming a filter element for a first period of time; submerging the filter element in a first solution; and exposing the first solution to ultrasound waves for a second period of time.