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. 14, 2026
Filed:
Jun. 09, 2023
Mann+hummel Gmbh, Ludwigsburg, DE;
Guenter Jokschas, Murrhardt, DE;
Marco Faisst, Besigheim, DE;
Christian Thalmann, Speyer, DE;
Martin Weindorf, Kornwestheim, DE;
Oliver Glueck, Stuttgart, DE;
Rafael Salom, Remseck, DE;
Pius Trautmann, Stuttgart, DE;
Lavanya Kagitha, Ludwigsburg, DE;
Dietmar Talmon-Gros, Ludwigsburg, DE;
Matthias Ruegner, Bietigheim-Bissingen, DE;
Gerrit-Tobias Speidel, Kirchheim am Neckar, DE;
Arndt-Udo Rolle, Stuttgart, DE;
Mike Maertz, Harthausen, DE;
Herbert Jainek, Heilbronn, DE;
Maximilian Bauch, Boennigheim, DE;
MANN+HUMMEL GmbH, Ludwigsburg, DE;
Abstract
A liquid filter has a filter housing with a housing cup. A filter element of the liquid filter has a filter medium annularly surrounding a longitudinal axis of the filter element. The filter element has an extension part with lock groove. A lock device arranged at the housing cup has a lock element movable radially to the longitudinal axis. The lock element engages the lock groove in a locked state of the lock device and is disengaged in a release state. A filter element for the liquid filter has a filter medium annularly surrounding a longitudinal axis and an extension part with lock groove with rounded cross section. The lock groove is engaged by a lock element, movable radially relative to the longitudinal axis, of a lock device of a housing cup of the liquid filter in a locked state of the lock device and disengaged in a release state.