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:
Jan. 11, 2005
Filed:
Mar. 11, 2002
Thomas H. Steger, Jr., Cookeville, TN (US);
Jeffrey B. Sharp, Cookeville, TN (US);
Paul D. Miller, Cookeville, TN (US);
Thomas H. Steger, Jr., Cookeville, TN (US);
Jeffrey B. Sharp, Cookeville, TN (US);
Paul D. Miller, Cookeville, TN (US);
Fleetguard, Inc., Nashville, TN (US);
Abstract
A unitary centertube, molded out of a synthetic material and designed for use as part of a fluid filter, includes a tubular body portion arranged with a plurality of annular ribs in alternating sequence with a plurality of annular recessed sections, the tubular body portion defining a plurality of fluid flow apertures and an interior opening. The plurality of fluid flow apertures are arranged in two styles to facilitate the mold design. Included as part of the unitary centertube is a cross-beam section positioned in the interior opening for providing reinforcement to a corresponding filtering element when subjected to a differential pressure.