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:
Aug. 15, 2017
Filed:
Feb. 23, 2011
Applicants:
Thomas B. Green, Liberty Township, OH (US);
Lei LI, West Chester, OH (US);
John A. Krogue, Mineral Wells, TX (US);
Inventors:
Thomas B. Green, Liberty Township, OH (US);
Lei Li, West Chester, OH (US);
John A. Krogue, Mineral Wells, TX (US);
Assignee:
CLARCOR Inc., Franklin, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B82Y 30/00 (2011.01); B01D 39/16 (2006.01);
U.S. Cl.
CPC ...
B82Y 30/00 (2013.01); B01D 39/1623 (2013.01); B01D 2239/025 (2013.01); B01D 2239/064 (2013.01); B01D 2239/0631 (2013.01); B01D 2239/0668 (2013.01); B01D 2239/0695 (2013.01); B01D 2239/1233 (2013.01);
Abstract
A non-pleated depth filter element in the form of a tubular ring of depth filter media is provided. Multiple wraps of sheets, some including fine fibers, are employed. The depth filter element has particular applications to liquid filtration applications.