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:
Jul. 03, 2018
Filed:
Mar. 18, 2015
Donaldson Company, Inc., Minneapolis, MN (US);
Bradley S. Honermann, Prior Lake, MN (US);
John R. Hacker, Minneapolis, MN (US);
Kathryn A. Legault, Bloomington, MN (US);
Mark S. Emery, Minneapolis, MN (US);
Kurt B. Joscher, Burnsville, MN (US);
Jason Johnson, St. Paul, MN (US);
Donaldson Company, Inc., Minneapolis, MN (US);
Abstract
A top load liquid filter assembly includes a filter lockout mechanism to ensure that the filter base and cover are not connectable unless there is a proper filter cartridge installed therein. The filter system can also include an automatic drain mechanism and a cartridge retention mechanism. One example embodiment further includes an air bleed vent. A filter cartridge usable in the topload liquid filter assembly includes first and second protrusions and cover-gripper members. Methods of use, installing, servicing, and retaining can be practiced.