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.

Date of Patent:
Mar. 10, 2020

Filed:

Jul. 07, 2016
Applicant:

Federal-mogul Burscheid Gmbh, Burscheid, DE;

Inventor:

Peter Schmidt, Burscheid, DE;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16J 9/22 (2006.01); F16J 9/20 (2006.01); F16J 9/12 (2006.01);
U.S. Cl.
CPC ...
F16J 9/22 (2013.01); F16J 9/20 (2013.01); F16J 9/12 (2013.01);
Abstract

A piston ring for an internal combustion engine is provided, having at least one indentation provided on a ring edge of the piston ring, wherein the at least one indentation in the circumferential direction of the piston ring has a varying depth profile.


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