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. 02, 2015
Filed:
Sep. 02, 2009
Brian D. Gale, Blaine, MN (US);
David M. Botts, Minnestrista, MN (US);
Karl J. Fritze, Hastings, MN (US);
Laurence W. Bassett, Killingworth, CT (US);
Richard A. Kirchner, Apple Valley, MN (US);
Brian D. Gale, Blaine, MN (US);
David M. Botts, Minnestrista, MN (US);
Karl J. Fritze, Hastings, MN (US);
Laurence W. Bassett, Killingworth, CT (US);
Richard A. Kirchner, Apple Valley, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A filtration system is disclosed comprising a filter manifold and a filter cartridge. The filter manifold comprises a bracket, a valve, a manifold feed port, a manifold filtrate port, and a handle. The valve is held by the bracket and comprises a fixed portion attached to the bracket and a rotary portion. The handle is operatively connected to the rotary portion and comprises a cartridge lifter having one of a camming ramp or a camming lug lifter engagement feature. The handle is rotatable to a service position and a disengaged position, wherein the manifold feed port is blocked by the valve when the handle is in the disengaged position. The filter cartridge comprises a cartridge feed port, a cartridge filtrate port, and an external cartridge surface having one of a camming lug or a camming ramp for engaging the lifter engagement feature.