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:
Aug. 31, 2010
Filed:
Mar. 16, 2007
Applicants:
Klemens Dworatzek, Edingen, DE;
Ralf Bauder, Ketsch, DE;
Inventors:
Klemens Dworatzek, Edingen, DE;
Ralf Bauder, Ketsch, DE;
Assignee:
Mann & Hummel GmbH, Ludwigsburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An air filter connecting unit having a connecting flange () and a connecting nipple () that can be coupled to the connecting flange via a snap connection. The connecting flange () has a round receptacle () provided with an inside thread flight () that is subdivided into individual, resilient, curved thread flight segments (). The associated connecting nipple () has a generally cylindrical construction and an advancing thread () which ends in a free-running groove () on the connecting nipple.