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:
Apr. 30, 2019
Filed:
Dec. 16, 2015
Caterpillar Inc., Peoria, IL (US);
Mark T. Allott, Mapleton, IL (US);
Bryant Alan Morris, Peoria, IL (US);
Caterpillar Inc., Deerfield, IL (US);
Abstract
A filter element is provided that has a generally cylindrical configuration and that defines a longitudinal axis and a radial direction. The filter element comprises a center tube that defines a central reservoir and that includes annular filter media surrounding the center tube and the central reservoir, an open end joined to the center tube disposed along the longitudinal axis, the open end including an opening allowing fluid to flow from the central reservoir to the outside of the filter element, and a closed end joined to the center tube opposite the open end disposed along the longitudinal axis, the closed end including an end cap comprising a body that defines an attachment pocket and an air pocket that surrounds the attachment pocket.