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:
Jun. 01, 2021
Filed:
Dec. 06, 2018
Applicant:
Caterpillar Inc., Deerfield, IL (US);
Inventors:
Jon Tyler Immel, Chillicothe, IL (US);
Javier A. Rodriguez, Peoria, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 29/33 (2006.01); B01D 39/16 (2006.01); B01D 46/00 (2006.01); B01D 29/15 (2006.01); B01D 29/03 (2006.01); B01D 29/01 (2006.01); B01D 29/11 (2006.01); B33Y 80/00 (2015.01); B33Y 10/00 (2015.01); B01D 29/00 (2006.01);
U.S. Cl.
CPC ...
B01D 29/15 (2013.01); B01D 29/016 (2013.01); B01D 29/031 (2013.01); B01D 29/33 (2013.01); B01D 39/16 (2013.01); B01D 39/1692 (2013.01); B01D 46/0002 (2013.01); B01D 29/0018 (2013.01); B01D 29/111 (2013.01); B33Y 10/00 (2014.12); B33Y 80/00 (2014.12);
Abstract
A filter center tube includes a plurality of layers of solidified material including a first layer with a first undulating strip of solidified material extending in a first predetermined direction, and a second layer with a second undulating strip of solidified material extending in a second predetermined direction. The first layer is in contact with the second layer and the first predetermined direction is not parallel with the second predetermined direction, forming a plurality of pores therebetween.