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. 11, 2013
Filed:
Sep. 16, 2011
Applicants:
Mark T. Allott, Mapleton, IL (US);
David Ofori-amoah, Chicago, IL (US);
Inventors:
Mark T. Allott, Mapleton, IL (US);
David Ofori-Amoah, Chicago, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
F02M 37/22 (2006.01); B01D 35/30 (2006.01); B01D 29/00 (2006.01); B01D 27/00 (2006.01); B01D 35/00 (2006.01); B01D 27/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A filter assembly with a replaceable filter element and a reusable filter housing, which incorporates a locking mechanism to ensure that the filter system will not be operated without a filter element installed.